svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.api / src / main / java / org / gvsig / fmap / dal / feature / FeatureStore.java @ 47779
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1 | 47779 | fdiaz | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 3
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | */
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24 | package org.gvsig.fmap.dal.feature; |
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25 | |||
26 | import java.util.Iterator; |
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27 | import java.util.List; |
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28 | import javax.json.JsonObject; |
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29 | import org.apache.commons.lang3.StringUtils; |
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30 | import org.cresques.cts.IProjection; |
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31 | import org.gvsig.expressionevaluator.Expression; |
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32 | import org.gvsig.expressionevaluator.ExpressionBuilder; |
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33 | import org.gvsig.fmap.dal.DataServerExplorer; |
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34 | import org.gvsig.fmap.dal.DataStore; |
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35 | import org.gvsig.fmap.dal.DataStoreParameters; |
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36 | import org.gvsig.fmap.dal.exception.DataException; |
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37 | import org.gvsig.fmap.dal.exception.ReadException; |
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38 | import org.gvsig.fmap.dal.feature.exception.FeatureIndexException; |
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39 | import org.gvsig.fmap.dal.feature.exception.NeedEditingModeException; |
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40 | import org.gvsig.fmap.geom.Geometry; |
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41 | import org.gvsig.fmap.geom.SpatialIndex; |
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42 | import org.gvsig.fmap.geom.primitive.Envelope; |
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43 | import org.gvsig.tools.dispose.DisposableIterator; |
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44 | import org.gvsig.tools.dynobject.DynObject; |
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45 | import org.gvsig.tools.lang.Cloneable; |
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46 | import org.gvsig.tools.observer.Observer; |
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47 | import org.gvsig.tools.undo.UndoRedoStack; |
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48 | import org.gvsig.tools.util.GetItemWithSizeIsEmptyAndIterator64; |
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49 | import org.gvsig.tools.util.PropertiesSupport; |
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50 | import org.gvsig.tools.util.Size64; |
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51 | import org.gvsig.tools.util.UnmodifiableBasicList64; |
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52 | |||
53 | /**
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54 | * <p>
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55 | * A FeatureStore is a type of store whose data consists on sets of
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56 | * {@link Feature}(s). {@link Feature}(s) from the same FeatureStore can be of
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57 | * different {@link FeatureType}(s) (as in GML format for instance).
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58 | * </p>
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59 | *
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60 | * <p>
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61 | * FeatureStore allows:
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62 | * </p>
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63 | * <ul>
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64 | * <li>Obtaining the default {@link FeatureType}. A FeatureStore always has one
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65 | * and only one default FeatureType.
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66 | * <li>Obtaining the list of {@link FeatureType}(s) defined in the FeatureStore.
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67 | * <li>Obtaining, filtering and sorting subsets of data ({@link FeatureSet})
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68 | * through {@link FeatureQuery}, as well as background loading.
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69 | * <li>Obtaining the total {@link Envelope} (AKA bounding box or extent) of the
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70 | * store.
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71 | * <li>Support for editing {@link FeatureType}(s).
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72 | * <li>Obtaining information about contained {@link Geometry} types.
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73 | * <li>Exporting to another store.
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74 | * <li>Indexing.
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75 | * <li>Selection.
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76 | * <li>Locks management.
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77 | * </ul>
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78 | *
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79 | */
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80 | public interface FeatureStore extends |
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81 | DataStore, UndoRedoStack, Cloneable, Iterable<Feature>, |
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82 | PropertiesSupport, |
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83 | Size64 { |
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84 | |||
85 | public static String getLabel(FeatureStore store) { |
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86 | if( store == null ) { |
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87 | return null; |
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88 | } |
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89 | String label = null; |
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90 | try {
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91 | label = store.getName(); |
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92 | FeatureType ft = store.getDefaultFeatureTypeQuietly(); |
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93 | if( ft != null ) { |
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94 | if( StringUtils.isNotBlank(ft.getLabel()) ) {
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95 | label = ft.getLabel(); |
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96 | } |
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97 | } |
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98 | } catch(Throwable t) { |
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99 | // Do nothing
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100 | } |
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101 | return label;
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102 | } |
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103 | |||
104 | public static final String METADATA_DEFINITION_NAME = "FeatureStore"; |
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105 | |||
106 | final static int MODE_UNKNOWN = -1; |
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107 | |||
108 | /** Indicates that this store is in query mode */
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109 | final static int MODE_QUERY = 0; |
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110 | |||
111 | /** Indicates that this store is in full edit mode */
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112 | final static int MODE_FULLEDIT = 1; |
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113 | |||
114 | /** Indicates that this store is in append mode */
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115 | final static int MODE_APPEND = 2; |
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116 | |||
117 | final static int MODE_PASS_THROUGH = 3; |
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118 | |||
119 | final static int SUBMODE_NONE = 0; |
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120 | |||
121 | /** En este modo hace un merge contra la base de datos, si existe lo actualizada y si no lo inserta **/
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122 | final static int SUBMODE_MERGE = 2; |
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123 | |||
124 | /*
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125 | * =============================================================
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126 | *
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127 | * information related services
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128 | */
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129 | |||
130 | /**
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131 | * Indicates whether this store allows writing.
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132 | *
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133 | * @return
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134 | * true if this store can be written, false if not.
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135 | */
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136 | public boolean allowWrite(); |
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137 | |||
138 | /**
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139 | * Returns this store's default {@link FeatureType}.
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140 | *
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141 | * @return
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142 | * this store's default {@link FeatureType}.
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143 | *
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144 | * @throws DataException
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145 | */
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146 | public FeatureType getDefaultFeatureType() throws DataException; |
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147 | |||
148 | public FeatureType getDefaultFeatureTypeQuietly();
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149 | |||
150 | /**
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151 | * Returns this store's featureType {@link FeatureType} matches with
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152 | * featureTypeId.
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153 | *
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154 | * @param featureTypeId
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155 | *
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156 | * @return this store's default {@link FeatureType}.
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157 | *
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158 | * @throws DataException
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159 | */
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160 | public FeatureType getFeatureType(String featureTypeId) |
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161 | throws DataException;
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162 | |||
163 | /**
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164 | * Returns this store's {@link FeatureType}(s).
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165 | *
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166 | * @return a list with this store's {@link FeatureType}(s).
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167 | *
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168 | * @throws DataException
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169 | */
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170 | public List getFeatureTypes() throws DataException; |
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171 | |||
172 | /**
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173 | * Returns this store's parameters.
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174 | *
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175 | * @return
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176 | * {@link DataStoreParameters} containing this store's parameters
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177 | */
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178 | @Override
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179 | public DataStoreParameters getParameters();
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180 | |||
181 | /**
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182 | * @param gvSIGgeometryType
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183 | * @return
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184 | * @throws DataException
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185 | * @deprecated Mirar de cambiarlo a metadatos
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186 | */
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187 | public boolean canWriteGeometry(int gvSIGgeometryType) throws DataException; |
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188 | |||
189 | /**
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190 | * Returns this store's total envelope (extent).
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191 | *
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192 | * @return this store's total envelope (extent) or <code>null</code> if
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193 | * store not have geometry information
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194 | * @throws org.gvsig.fmap.dal.exception.DataException
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195 | */
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196 | public Envelope getEnvelope() throws DataException; |
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197 | |||
198 | /**
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199 | *
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200 | * @deprecated use getDefaultFeatureType().getDefaultSRS()
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201 | * @return
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202 | * @throws DataException
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203 | */
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204 | public IProjection getSRSDefaultGeometry() throws DataException; |
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205 | |||
206 | /**
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207 | * Exports this store to another store.
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208 | *
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209 | * @param explorer
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210 | * {@link DataServerExplorer} target
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211 | * @param provider
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212 | * @param params
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213 | * New parameters of this store that will be used on the target
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214 | * explorer
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215 | *
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216 | * @throws DataException
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217 | *
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218 | * @Deprecated this method is unstable
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219 | */
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220 | public void export(DataServerExplorer explorer, String provider, |
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221 | NewFeatureStoreParameters params, String name) throws DataException; |
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222 | |||
223 | public void copyTo(FeatureStore target); |
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224 | |||
225 | /*
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226 | * =============================================================
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227 | *
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228 | * Query related services
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229 | */
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230 | |||
231 | /**
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232 | * Create a {@link FeatureQuery} with the restrictions indicateds.
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233 | *
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234 | * "filter" will be null or a valid filter expression for the store.
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235 | *
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236 | * "sortBy" can be null to use the store's default order.
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237 | *
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238 | * The parameter sortBy can be an attribute name or a comma separated list.
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239 | * Each attribute name can be preceded or followed by "+" or "-" to indicate
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240 | * the order to use to sort by that attribute.
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241 | *
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242 | * If no "+" or "-" is indicated, the "asc" parameter will be used to
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243 | * determine if the order is ascending, "true" or decent, "false".
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244 | *
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245 | * @param filter an {@link String} expression used to filter the features in the store.
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246 | * @param sortBy Attribute names separated by commas used to sort the list to return.
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247 | * @param asc use order ascending, true, or descending, false.
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248 | * @return a {@link FeatureQuery} with the restrictions.
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249 | * @see {@link FeatureQuery}
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250 | */
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251 | public FeatureQuery createFeatureQuery(String filter, String sortBy, boolean asc); |
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252 | public FeatureQuery createFeatureQuery(String filter); |
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253 | public FeatureQuery createFeatureQuery(Expression filter); |
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254 | |||
255 | /**
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256 | * Create a {@link FeatureQuery} with the restrictions indicateds.
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257 | *
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258 | * "filter" will be null or {@link Expression} valid for the store.
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259 | *
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260 | * "sortBy" can be null to use the store's default order.
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261 | *
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262 | * The parameter sortBy can be an attribute name or a comma separated list.
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263 | * Each attribute name can be preceded or followed by "+" or "-" to indicate
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264 | * the order to use to sort by that attribute.
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265 | *
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266 | * If no "+" or "-" is indicated, the "asc" parameter will be used to
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267 | * determine if the order is ascending, "true" or decent, "false".
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268 | *
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269 | * @param filter an {@link String} expression used to filter the features in the store.
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270 | * @param sortBy Attribute names separated by commas used to sort the list to return.
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271 | * @param asc use order ascending, true, or descending, false.
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272 | * @return a {@link FeatureQuery} with the restrictions.
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273 | * @see {@link FeatureQuery}
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274 | */
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275 | public FeatureQuery createFeatureQuery(Expression filter, String sortBy, boolean asc); |
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276 | |||
277 | /**
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278 | * Create a {@link FeatureQuery} with the restrictions indicateds.
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279 | *
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280 | * "filter" will be null or {@link Expression} valid for the store.
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281 | *
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282 | * "sortBy" can be null to use the store's default order.
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283 | *
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284 | * The parameter sortBy can be an attribute name or a comma separated list.
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285 | * Each attribute name can be preceded or followed by "+" or "-" to indicate
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286 | * the order to use to sort by that attribute.
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287 | *
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288 | * If no "+" or "-" is indicated, the "asc" parameter will be used to
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289 | * determine if the order is ascending, "true" or decent, "false".
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290 | *
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291 | * @param filter an {@link String} expression used to filter the features in the store.
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292 | * @param sortBy expression used to order the features in the store.
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293 | * @param asc use order ascending, true, or descending, false.
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294 | * @return a {@link FeatureQuery} with the restrictions.
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295 | * @see {@link FeatureQuery}
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296 | */
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297 | public FeatureQuery createFeatureQuery(Expression filter, Expression sortBy, boolean asc); |
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298 | |||
299 | /**
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300 | * Create a {@link FeatureQuery} with the restrictions indicateds.
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301 | *
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302 | * "filter" will be null or {@link Expression} valid for the store.
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303 | *
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304 | * "sortBy" can be null to use the store's default order.
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305 | *
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306 | * The parameter sortBy can be an attribute name or a comma separated list.
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307 | * Each attribute name can be preceded or followed by "+" or "-" to indicate
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308 | * the order to use to sort by that attribute.
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309 | *
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310 | * If no "+" or "-" is indicated, the "asc" parameter will be used to
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311 | * determine if the order is ascending, "true" or decent, "false".
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312 | *
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313 | * @param filter an {@link String} expression used to filter the features in the store.
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314 | * @param sortBy expression used to order the features in the store.
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315 | * @param asc use order ascending, true, or descending, false.
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316 | * @return a {@link FeatureQuery} with the restrictions.
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317 | * @see {@link FeatureQuery}
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318 | */
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319 | public FeatureQuery createFeatureQuery(String filter, Expression sortBy, boolean asc); |
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320 | |||
321 | |||
322 | |||
323 | /**
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324 | * Returns all available features in the store.
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325 | *
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326 | * It is a utility method that calls {@link #getFeatureSet(FeatureQuery)}
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327 | *
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328 | * @return the {@link FeatureSet}
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329 | * @throws ReadException if there is any error while reading the features
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330 | * @see {@link #accept(org.gvsig.tools.visitor.Visitor)}, {@link #getFeatureSet(FeatureQuery)}
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331 | */
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332 | FeatureSet getFeatureSet() throws DataException;
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333 | |||
334 | /**
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335 | * Return a subset of features.
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336 | *
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337 | * It is a utility method that calls {@link #getFeatureSet(FeatureQuery)}
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338 | *
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339 | * @param filter an {@link String} expression used to filter the features in the store.
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340 | * @return the {@link FeatureSet}
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341 | * @throws ReadException if there is any error while reading the features
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342 | * @see {@link #createFeatureQuery(Expression,String,boolean)}, {@link #getFeatureSet(FeatureQuery)}
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343 | */
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344 | FeatureSet getFeatureSet(String filter) throws DataException; |
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345 | |||
346 | /**
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347 | * Return a subset of features.
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348 | *
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349 | * It is a utility method that calls {@link #getFeatureSet(FeatureQuery)}
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350 | *
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351 | * The sort order used is ascending.
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352 | *
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353 | * @param filter an {@link String} expression used to filter the features in the store.
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354 | * @param sortBy Attribute names separated by commas used to sort the list to return.
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355 | * @return the {@link FeatureSet}
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356 | * @throws ReadException if there is any error while reading the features
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357 | * @see {@link #createFeatureQuery(Expression,String,boolean)}, {@link #getFeatureSet(FeatureQuery)}
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358 | */
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359 | FeatureSet getFeatureSet(String filter, String sortBy) throws DataException; |
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360 | |||
361 | /**
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362 | * Return a subset of features.
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363 | *
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364 | * It is a utility method that calls {@link #getFeatureSet(FeatureQuery)}
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365 | *
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366 | * @param filter an {@link String} expression used to filter the features in the store.
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367 | * @param sortBy Attribute names separated by commas used to sort the list to return.
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368 | * @param asc use order ascending, true, or descending, false.
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369 | * @return the {@link FeatureSet}
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370 | * @throws ReadException if there is any error while reading the features
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371 | * @see {@link #createFeatureQuery(Expression,String,boolean)}, {@link #getFeatureSet(FeatureQuery)}
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372 | */
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373 | FeatureSet getFeatureSet(String filter, String sortBy, boolean asc) throws DataException; |
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374 | |||
375 | /**
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376 | * Return a subset of features.
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377 | *
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378 | * It is a utility method that calls {@link #getFeatureSet(FeatureQuery)}
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379 | *
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380 | * @param filter an {@link Expression} used to filter the features in the store.
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381 | * @return the {@link FeatureSet}
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382 | * @throws DataException
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383 | * @see {@link #createFeatureQuery(Expression,String,boolean)}, {@link #getFeatureSet(FeatureQuery)}
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384 | */
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385 | FeatureSet getFeatureSet(Expression filter) throws DataException; |
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386 | |||
387 | /**
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388 | * Return a subset of features.
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389 | *
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390 | * It is a utility method that calls {@link #getFeatureSet(FeatureQuery)}
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391 | *
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392 | * The sort order used is ascending.
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393 | *
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394 | * @param filter an {@link Expression} used to filter the features in the store.
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395 | * @param sortBy Attribute names separated by commas used to sort the list to return.
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396 | * @return the {@link FeatureSet}
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397 | * @throws ReadException if there is any error while reading the features
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398 | * @see {@link #createFeatureQuery(Expression,String,boolean)}, {@link #getFeatureSet(FeatureQuery)}
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399 | */
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400 | FeatureSet getFeatureSet(Expression filter, String sortBy) throws DataException; |
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401 | |||
402 | /**
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403 | * Return a subset of features.
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404 | *
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405 | * It is a utility method that calls {@link #getFeatureSet(FeatureQuery)}
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406 | *
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407 | * @param filter an {@link Expression} used to filter the features in the store.
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408 | * @param sortBy Attribute names separated by commas used to sort the list to return.
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409 | * @param asc use order ascending, true, or descending, false.
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410 | * @return the {@link FeatureSet}
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411 | * @throws DataException
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412 | * @see {@link #createFeatureQuery(Expression,String,boolean)}, {@link #getFeatureSet(FeatureQuery)}
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413 | */
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414 | FeatureSet getFeatureSet(Expression filter, String sortBy, boolean asc) throws DataException; |
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415 | |||
416 | /**
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417 | * Returns a subset of features taking into account the properties and
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418 | * restrictions of the {@link FeatureQuery}.
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419 | *
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420 | * If {@link FeatureQuery} is null, return al features in the store.
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421 | *
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422 | * <p>
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423 | * <em>
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424 | * <strong>NOTE:</strong> if you use this method to get a
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425 | * {@link FeatureSet}, you must get sure it is disposed
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426 | * (@see {@link DisposableIterator#dispose()}) in any case, even if an
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427 | * error occurs while getting the data. It is recommended to use the
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428 | * <code>accept</code> methods instead, which handle everything for you.
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429 | * Take into account the accept methods may use a fast iterator to
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430 | * get the features.
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431 | * </em>
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432 | * </p>
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433 | *
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434 | * @param featureQuery defines the characteristics of the features to return.
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435 | * @return the {@link FeatureSet}
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436 | * @throws ReadException if there is any error while reading the features.
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437 | * @see #accept(org.gvsig.tools.visitor.Visitor, org.gvsig.fmap.dal.DataQuery)
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438 | */
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439 | FeatureSet getFeatureSet(FeatureQuery featureQuery) throws DataException;
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440 | |||
441 | /**
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442 | * Loads a subset of features taking into account the properties and
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443 | * restrictions of the FeatureQuery.
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444 | * When feature loading is finished call the Observer passing the
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445 | * {@link FeatureSet} loaded.
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446 | *
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447 | * @param featureQuery defines the characteristics of the features to return.
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448 | * @param observer to be notified when loading is finished.
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449 | * @throws DataException if there is any error while loading the features
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450 | */
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451 | void getFeatureSet(FeatureQuery featureQuery, Observer observer) throws DataException; |
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452 | |||
453 | /**
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454 | * Loads all available feature in the store. The loading of Features is
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||
455 | * performed by calling the Observer, once each loaded Feature.
|
||
456 | *
|
||
457 | * @param observer to be notified of each loaded Feature
|
||
458 | * @throws DataException if there is any error while loading the features
|
||
459 | */
|
||
460 | void getFeatureSet(Observer observer) throws DataException; |
||
461 | |||
462 | /**
|
||
463 | * Return a paginated list of Features filtered by the query.
|
||
464 | *
|
||
465 | * If the query is null, return all features in the store sorteds
|
||
466 | * by default order.
|
||
467 | *
|
||
468 | * The return value implements {@link List} and {@link UnmodifiableBasicList64}
|
||
469 | * to support large list of features.
|
||
470 | *
|
||
471 | * The returned list of Features is paginated, and the page size
|
||
472 | * used is "pageSize".
|
||
473 | *
|
||
474 | * If the page size is less than or equal to 0, the default page size of
|
||
475 | * 100 will be used.
|
||
476 | *
|
||
477 | * @param query to filter and sort the returned feature list
|
||
478 | * @param pageSize the page size of the list
|
||
479 | * @return the {@link List}/{@link UnmodifiableBasicList64} of features
|
||
480 | */
|
||
481 | public List<Feature> getFeatures(FeatureQuery query, int pageSize); |
||
482 | |||
483 | /**
|
||
484 | * Return a paginated list of Features.
|
||
485 | *
|
||
486 | * It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
|
||
487 | * using the default page size.
|
||
488 | *
|
||
489 | * @param query to filter and sort the returned feature list
|
||
490 | * @return the {@link List}/{@link UnmodifiableBasicList64} of features
|
||
491 | * @see {@link #getFeatures(FeatureQuery, int)}
|
||
492 | */
|
||
493 | public List<Feature> getFeatures(FeatureQuery query); |
||
494 | |||
495 | /**
|
||
496 | * Return a paginated list with al Features in the store.
|
||
497 | *
|
||
498 | * It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
|
||
499 | * using the default page size.
|
||
500 | *
|
||
501 | * @return the {@link List}/{@link UnmodifiableBasicList64} of features
|
||
502 | * @see {@link #getFeatures(FeatureQuery, int)}
|
||
503 | */
|
||
504 | public List<Feature> getFeatures(); |
||
505 | |||
506 | /**
|
||
507 | * Return a paginated list of Features
|
||
508 | *
|
||
509 | * It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
|
||
510 | *
|
||
511 | * @param filter used to filter the features in the store.
|
||
512 | * @return the List of Features
|
||
513 | * @see {@link #getFeatures(FeatureQuery, int)}, {@link #createFeatureQuery(String,String,boolean)}
|
||
514 | */
|
||
515 | public List<Feature> getFeatures(String filter); |
||
516 | |||
517 | /**
|
||
518 | * Return a paginated list of Features.
|
||
519 | *
|
||
520 | * It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
|
||
521 | * using the default page size.
|
||
522 | *
|
||
523 | * @param filter used to filter the features in the store.
|
||
524 | * @param sortBy Attribute names separated by commas used to sort the list to return.
|
||
525 | * @return the {@link List}/{@link UnmodifiableBasicList64} of features
|
||
526 | * @see {@link #getFeatures(FeatureQuery, int)}, {@link #createFeatureQuery(String,String,boolean)}
|
||
527 | */
|
||
528 | public List<Feature> getFeatures(String filter, String sortBy); |
||
529 | |||
530 | /**
|
||
531 | * Return a paginated list of Features.
|
||
532 | *
|
||
533 | * It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
|
||
534 | * using the default page size.
|
||
535 | *
|
||
536 | * @param filter an {@link String} expression used to filter the features in the store.
|
||
537 | * @param sortBy Attribute names separated by commas used to sort the list to return.
|
||
538 | * @param asc use order ascending, true, or descending, false.
|
||
539 | * @return the {@link List}/{@link UnmodifiableBasicList64} of features
|
||
540 | * @see {@link #getFeatures(FeatureQuery, int)}, {@link #createFeatureQuery(String,String,boolean)}
|
||
541 | */
|
||
542 | public List<Feature> getFeatures(String filter, String sortBy, boolean asc); |
||
543 | |||
544 | /**
|
||
545 | * Return a paginated list of Features
|
||
546 | *
|
||
547 | * It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
|
||
548 | * using the default page size.
|
||
549 | *
|
||
550 | * @param filter an {@link Expression} used to filter the features in the store.
|
||
551 | * @return the List of Features
|
||
552 | * @see {@link #getFeatures(FeatureQuery, int)}, {@link #createFeatureQuery(Expression,String,boolean)}
|
||
553 | */
|
||
554 | public List<Feature> getFeatures(Expression filter); |
||
555 | |||
556 | /**
|
||
557 | * Return a paginated list of Features
|
||
558 | *
|
||
559 | * It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
|
||
560 | * using the default page size.
|
||
561 | *
|
||
562 | * @param filter an {@link Expression} used to filter the features in the store.
|
||
563 | * @param sortBy Attribute names separated by commas used to sort the list to return.
|
||
564 | * @return the {@link List}/{@link UnmodifiableBasicList64} of features
|
||
565 | * @see {@link #getFeatures(FeatureQuery, int)}, {@link #createFeatureQuery(Expression,String,boolean)}
|
||
566 | */
|
||
567 | public List<Feature> getFeatures(Expression filter, String sortBy); |
||
568 | |||
569 | /**
|
||
570 | * Return a paginated list of Features
|
||
571 | *
|
||
572 | * It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
|
||
573 | * using the default page size.
|
||
574 | *
|
||
575 | * @param filter an {@link Expression} used to filter the features in the store.
|
||
576 | * @param sortBy Attribute names separated by commas used to sort the list to return.
|
||
577 | * @param asc use order ascending, true, or descending, false.
|
||
578 | * @return the {@link List}/{@link UnmodifiableBasicList64} of features
|
||
579 | * @see {@link #getFeatures(FeatureQuery, int)}, {@link #createFeatureQuery(Expression,String,boolean)}
|
||
580 | */
|
||
581 | public List<Feature> getFeatures(Expression filter, String sortBy, boolean asc); |
||
582 | |||
583 | public GetItemWithSizeIsEmptyAndIterator64<Feature> getFeatures64();
|
||
584 | |||
585 | public GetItemWithSizeIsEmptyAndIterator64<Feature> getFeatures64(String filter); |
||
586 | |||
587 | public GetItemWithSizeIsEmptyAndIterator64<Feature> getFeatures64(String filter, String sortBy, boolean asc); |
||
588 | |||
589 | public GetItemWithSizeIsEmptyAndIterator64<Feature> getFeatures64(FeatureQuery query, int pageSize); |
||
590 | |||
591 | /**
|
||
592 | * Return the first {@link Feature} of the store.
|
||
593 | *
|
||
594 | * @return the first {@link Feature} or null if the store is empty.
|
||
595 | * @throws DataException
|
||
596 | */
|
||
597 | public Feature first() throws DataException; |
||
598 | |||
599 | /**
|
||
600 | * Returns the first {@link Feature} that meets the criteria indicated.
|
||
601 | *
|
||
602 | * It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
||
603 | *
|
||
604 | * @param filter {@link String} expression used to filter the features.
|
||
605 | * @return the first {@link Feature} or null if the filter don't return any feature.
|
||
606 | * @throws DataException
|
||
607 | * @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(String,String,boolean)}
|
||
608 | */
|
||
609 | public Feature findFirst(String filter) throws DataException; |
||
610 | |||
611 | /**
|
||
612 | * Returns the first {@link Feature} that meets the criteria indicated.
|
||
613 | *
|
||
614 | * It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
||
615 | *
|
||
616 | * @param filter {@link String} expression used to filter the features.
|
||
617 | * @param sortBy Attribute names separated by commas used to sort the list to return.
|
||
618 | * @return the first {@link Feature} or null if the filter don't return any feature.
|
||
619 | * @throws DataException
|
||
620 | * @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(String,String,boolean)}
|
||
621 | */
|
||
622 | public Feature findFirst(String filter, String sortBy) throws DataException; |
||
623 | |||
624 | /**
|
||
625 | * Returns the first {@link Feature} that meets the criteria indicated.
|
||
626 | *
|
||
627 | * It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
||
628 | *
|
||
629 | * @param filter {@link String} expression used to filter the features.
|
||
630 | * @param sortBy Attribute names separated by commas used to sort the list to return.
|
||
631 | * @param asc use order ascending, true, or descending, false.
|
||
632 | * @return the first {@link Feature} or null if the filter don't return any feature.
|
||
633 | * @throws DataException
|
||
634 | * @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(String,String,boolean)}
|
||
635 | */
|
||
636 | public Feature findFirst(String filter, String sortBy, boolean asc) throws DataException; |
||
637 | |||
638 | |||
639 | /**
|
||
640 | * Returns the first {@link Feature} that meets the criteria indicated.
|
||
641 | *
|
||
642 | * It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
||
643 | *
|
||
644 | * @param filter {@link String} expression used to filter the features.
|
||
645 | * @param sortBy Expression
|
||
646 | * @param asc use order ascending, true, or descending, false.
|
||
647 | * @return the first {@link Feature} or null if the filter don't return any feature.
|
||
648 | * @throws DataException
|
||
649 | * @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(String,String,boolean)}
|
||
650 | */
|
||
651 | public Feature findFirst(String filter, Expression sortBy, boolean asc) throws DataException; |
||
652 | |||
653 | /**
|
||
654 | * Returns the first {@link Feature} that meets the criteria indicated.
|
||
655 | *
|
||
656 | * It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
||
657 | *
|
||
658 | * @param filter {@link String} expression used to filter the features.
|
||
659 | * @return the first {@link Feature} or null if the filter don't return any feature.
|
||
660 | * @throws DataException
|
||
661 | * @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(Expession,String,boolean)}
|
||
662 | */
|
||
663 | public Feature findFirst(Expression filter) throws DataException; |
||
664 | |||
665 | /**
|
||
666 | * Returns the first {@link Feature} that meets the criteria indicated.
|
||
667 | *
|
||
668 | * It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
||
669 | *
|
||
670 | * @param filter {@link String} expression used to filter the features.
|
||
671 | * @param sortBy Attribute names separated by commas used to sort the list to return.
|
||
672 | * @return the first {@link Feature} or null if the filter don't return any feature.
|
||
673 | * @throws DataException
|
||
674 | * @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(Expession,String,boolean)}
|
||
675 | */
|
||
676 | public Feature findFirst(Expression filter, String sortBy) throws DataException; |
||
677 | |||
678 | /**
|
||
679 | * Returns the first {@link Feature} that meets the criteria indicated.
|
||
680 | *
|
||
681 | * It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
||
682 | *
|
||
683 | * @param filter {@link String} expression used to filter the features.
|
||
684 | * @param sortBy Attribute names separated by commas used to sort the list to return.
|
||
685 | * @param asc use order ascending, true, or descending, false.
|
||
686 | * @return the first {@link Feature} or null if the filter don't return any feature.
|
||
687 | * @throws DataException
|
||
688 | * @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(Expession,String,boolean)}
|
||
689 | */
|
||
690 | public Feature findFirst(Expression filter, String sortBy, boolean asc) throws DataException; |
||
691 | |||
692 | /**
|
||
693 | * Returns the first {@link Feature} that meets the criteria indicated.
|
||
694 | *
|
||
695 | * It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
||
696 | *
|
||
697 | * @param filter {@link String} expression used to filter the features.
|
||
698 | * @param sortBy expression used to sort features
|
||
699 | * @param asc use order ascending, true, or descending, false.
|
||
700 | * @return the first {@link Feature} or null if the filter don't return any feature.
|
||
701 | * @throws DataException
|
||
702 | * @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(Expession,String,boolean)}
|
||
703 | */
|
||
704 | public Feature findFirst(Expression filter, Expression sortBy, boolean asc) throws DataException; |
||
705 | |||
706 | /**
|
||
707 | * Returns the first {@link Feature} that meets the criteria indicated.
|
||
708 | *
|
||
709 | * It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
||
710 | *
|
||
711 | * @param query to filter and sort the returned feature list
|
||
712 | * @return the first {@link Feature} or null if the filter don't return any feature.
|
||
713 | * @throws DataException
|
||
714 | * @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(Expession,String,boolean)}
|
||
715 | */
|
||
716 | public Feature findFirst(FeatureQuery query) throws DataException; |
||
717 | |||
718 | /**
|
||
719 | * Returns the feature given its reference.
|
||
720 | *
|
||
721 | * @param reference a unique FeatureReference
|
||
722 | * @return
|
||
723 | * @returnThe Feature
|
||
724 | * @throws DataException
|
||
725 | *
|
||
726 | */
|
||
727 | public Feature getFeatureByReference(FeatureReference reference) throws DataException; |
||
728 | |||
729 | /**
|
||
730 | * Returns the feature given its reference and feature type.
|
||
731 | *
|
||
732 | * @param reference
|
||
733 | * a unique FeatureReference
|
||
734 | *
|
||
735 | * @param featureType
|
||
736 | * FeatureType to which the requested Feature belongs
|
||
737 | *
|
||
738 | * @return
|
||
739 | * The Feature
|
||
740 | *
|
||
741 | * @throws DataException
|
||
742 | *
|
||
743 | */
|
||
744 | public Feature getFeatureByReference(FeatureReference reference,
|
||
745 | FeatureType featureType) throws DataException;
|
||
746 | |||
747 | /*
|
||
748 | * =============================================================
|
||
749 | *
|
||
750 | * Editing related services
|
||
751 | */
|
||
752 | |||
753 | /**
|
||
754 | * Enters editing state.
|
||
755 | * @throws org.gvsig.fmap.dal.exception.DataException
|
||
756 | */
|
||
757 | public void edit() throws DataException; |
||
758 | |||
759 | /**
|
||
760 | * Enters editing state specifying the editing mode.
|
||
761 | *
|
||
762 | * @param mode
|
||
763 | *
|
||
764 | * @throws DataException
|
||
765 | */
|
||
766 | public void edit(int mode) throws DataException; |
||
767 | |||
768 | public void edit(int mode, int submode) throws DataException; |
||
769 | |||
770 | public int getSubmode(); |
||
771 | |||
772 | public int getMode(); |
||
773 | |||
774 | /**
|
||
775 | * Cancels all editing since the last edit().
|
||
776 | *
|
||
777 | * @throws DataException
|
||
778 | */
|
||
779 | public void cancelEditing() throws DataException; |
||
780 | |||
781 | public boolean cancelEditingQuietly(); |
||
782 | |||
783 | public static boolean cancelEditingQuietly(FeatureStore store) { |
||
784 | if( store==null ) { |
||
785 | return true; |
||
786 | } |
||
787 | return store.cancelEditingQuietly();
|
||
788 | } |
||
789 | |||
790 | /**
|
||
791 | * Exits editing state.
|
||
792 | *
|
||
793 | * @throws DataException
|
||
794 | */
|
||
795 | public void finishEditing() throws DataException; |
||
796 | |||
797 | public boolean finishEditingQuietly(); |
||
798 | |||
799 | public static boolean finishEditingQuietly(FeatureStore store) { |
||
800 | if( store==null ) { |
||
801 | return true; |
||
802 | } |
||
803 | return store.finishEditingQuietly();
|
||
804 | } |
||
805 | |||
806 | /**
|
||
807 | * Save changes in the provider without leaving the edit mode.
|
||
808 | * Do not call observers to communicate a change of ediding mode.
|
||
809 | * The operation's history is eliminated to prevent inconsistencies
|
||
810 | * in the data.
|
||
811 | *
|
||
812 | * @throws DataException
|
||
813 | */
|
||
814 | public void commitChanges() throws DataException ; |
||
815 | |||
816 | /**
|
||
817 | *
|
||
818 | * Returns true if you can call CommitChanges method.
|
||
819 | * If not in editing or changes have been made in the structure
|
||
820 | * return false.
|
||
821 | *
|
||
822 | * @return true if can call commitChanges
|
||
823 | * @throws DataException
|
||
824 | */
|
||
825 | public boolean canCommitChanges() throws DataException; |
||
826 | |||
827 | |||
828 | /**
|
||
829 | * Indicates whether this store is in editing state.
|
||
830 | *
|
||
831 | * @return
|
||
832 | * true if this store is in editing state, false if not.
|
||
833 | */
|
||
834 | public boolean isEditing(); |
||
835 | |||
836 | /**
|
||
837 | * Indicates whether this store is in appending state. In this state the new
|
||
838 | * features are automatically inserted at the end of the {@link FeatureSet}.
|
||
839 | *
|
||
840 | * @return true if this store is in appending state.
|
||
841 | */
|
||
842 | public boolean isAppending(); |
||
843 | |||
844 | /**
|
||
845 | * Updates a {@link FeatureType} in the store with the changes in the
|
||
846 | * {@link EditableFeatureType}.<br>
|
||
847 | *
|
||
848 | * Any {@link FeatureSet} from this store that are used will be invalidated.
|
||
849 | *
|
||
850 | * @param featureType
|
||
851 | * an {@link EditableFeatureType} with the changes.
|
||
852 | *
|
||
853 | * @throws DataException
|
||
854 | */
|
||
855 | public void update(EditableFeatureType featureType) throws DataException; |
||
856 | |||
857 | /**
|
||
858 | * Updates a {@link Feature} in the store with the changes in the
|
||
859 | * {@link EditableFeature}.<br>
|
||
860 | *
|
||
861 | * Any {@link FeatureSet} from this store that was still in use will be
|
||
862 | * invalidated. You can override this using
|
||
863 | * {@link FeatureSet#update(EditableFeature)}.
|
||
864 | *
|
||
865 | * @param feature
|
||
866 | * the feature to be updated
|
||
867 | *
|
||
868 | * @throws DataException
|
||
869 | */
|
||
870 | public void update(EditableFeature feature) throws DataException; |
||
871 | |||
872 | /**
|
||
873 | * Updates Features in the store with the values of the parameters.
|
||
874 | * Examples:
|
||
875 | * update("field1",value1,"field2",value2);
|
||
876 | * update("field1",value1,"field2",value2,filter);
|
||
877 | *
|
||
878 | * filter can be a {@link Expression} or a String
|
||
879 | *
|
||
880 | * @param parameters
|
||
881 | * @throws DataException
|
||
882 | */
|
||
883 | public void update(Object... parameters) throws DataException; |
||
884 | |||
885 | /**
|
||
886 | * Deletes a {@link Feature} from the store.<br>
|
||
887 | *
|
||
888 | * Any {@link FeatureSet} from this store that was still in use will be
|
||
889 | * invalidated. You can override this using {@link Iterator#remove()} from
|
||
890 | * {@link FeatureSet}.
|
||
891 | *
|
||
892 | * @param feature
|
||
893 | * The feature to be deleted.
|
||
894 | *
|
||
895 | * @throws DataException
|
||
896 | */
|
||
897 | public void delete(Feature feature) throws DataException; |
||
898 | |||
899 | public void delete(String filter); |
||
900 | |||
901 | public void delete(Expression filter); |
||
902 | |||
903 | /**
|
||
904 | * Inserts a {@link Feature} in the store.<br>
|
||
905 | *
|
||
906 | * Any {@link FeatureSet} from this store that was still in use will be
|
||
907 | * invalidated. You can override this using
|
||
908 | * {@link FeatureSet#insert(EditableFeature)}.
|
||
909 | *
|
||
910 | * @param feature
|
||
911 | * The feature to be inserted
|
||
912 | *
|
||
913 | * @throws DataException
|
||
914 | */
|
||
915 | public void insert(EditableFeature feature) throws DataException; |
||
916 | |||
917 | /**
|
||
918 | * Inserts a set of {@link Feature} in the store.
|
||
919 | *
|
||
920 | * The attributes of the feature are copied from the features of the set
|
||
921 | * by name, forcing the conversion of types if necessary.
|
||
922 | *
|
||
923 | * Any {@link FeatureSet} from this store that was still in use will be
|
||
924 | * invalidated.
|
||
925 | *
|
||
926 | * @param set, set with the source features.
|
||
927 | * @throws DataException
|
||
928 | */
|
||
929 | public void insert(FeatureSet set) throws DataException; |
||
930 | |||
931 | /**
|
||
932 | * Creates a new feature using the default feature type and returns it as an
|
||
933 | * {@link EditableFeature}
|
||
934 | *
|
||
935 | * @return a new feature in editable state
|
||
936 | *
|
||
937 | * @throws DataException
|
||
938 | */
|
||
939 | public EditableFeature createNewFeature() throws DataException; |
||
940 | |||
941 | /**
|
||
942 | * Creates a new feature of the given {@link FeatureType} and uses the given
|
||
943 | * {@link Feature} as default values to initialize it.
|
||
944 | *
|
||
945 | * @param type
|
||
946 | * the new feature's feature type
|
||
947 | *
|
||
948 | * @param defaultValues
|
||
949 | * a feature whose values are used as default values for the new
|
||
950 | * feature.
|
||
951 | *
|
||
952 | * @return the new feature.
|
||
953 | *
|
||
954 | * @throws DataException
|
||
955 | */
|
||
956 | public EditableFeature createNewFeature(FeatureType type,
|
||
957 | Feature defaultValues) throws DataException;
|
||
958 | |||
959 | /**
|
||
960 | * Creates a new feature of the given {@link FeatureType}. The flag
|
||
961 | * defaultValues is used to indicate whether the new feature should be
|
||
962 | * initialized with default values or not.
|
||
963 | *
|
||
964 | * @param type
|
||
965 | * the new feature's feature type
|
||
966 | *
|
||
967 | * @param defaultValues
|
||
968 | * if true the new feature is initialized with each attribute's
|
||
969 | * default value.
|
||
970 | *
|
||
971 | * @return
|
||
972 | * the new feature
|
||
973 | *
|
||
974 | * @throws DataException
|
||
975 | */
|
||
976 | public EditableFeature createNewFeature(FeatureType type,
|
||
977 | boolean defaultValues) throws DataException; |
||
978 | |||
979 | /**
|
||
980 | * Creates a new feature of default {@link FeatureType}. The flag
|
||
981 | * defaultValues is used to indicate whether the new feature should be
|
||
982 | * initialized with default values or not.
|
||
983 | *
|
||
984 | * @param defaultValues
|
||
985 | * if true the new feature is initialized with each attribute's
|
||
986 | * default value.
|
||
987 | *
|
||
988 | * @return
|
||
989 | * the new feature
|
||
990 | *
|
||
991 | * @throws DataException
|
||
992 | */
|
||
993 | public EditableFeature createNewFeature(boolean defaultValues) |
||
994 | throws DataException;
|
||
995 | |||
996 | /**
|
||
997 | * Creates a new feature of default {@link FeatureType}.
|
||
998 | * The new feature should be initialized with the values of the feature
|
||
999 | * passed as parameter.
|
||
1000 | * Values are inicialiced by name from the feature specified. Error in
|
||
1001 | * value assignement are ignoreds.
|
||
1002 | *
|
||
1003 | * @param defaultValues the values to initialize the new feature.
|
||
1004 | * @return the new feature
|
||
1005 | * @throws DataException
|
||
1006 | */
|
||
1007 | public EditableFeature createNewFeature(Feature defaultValues)
|
||
1008 | throws DataException;
|
||
1009 | |||
1010 | public EditableFeature createNewFeature(JsonObject defaultValues)
|
||
1011 | throws DataException;
|
||
1012 | |||
1013 | /**
|
||
1014 | * Indicates whether this store supports append mode.
|
||
1015 | *
|
||
1016 | * @return
|
||
1017 | * true if this store supports append mode.
|
||
1018 | */
|
||
1019 | public boolean isAppendModeSupported(); |
||
1020 | |||
1021 | /**
|
||
1022 | * Initiates an editing group. This is typically used to group series of
|
||
1023 | * store editing operations.
|
||
1024 | *
|
||
1025 | * @param description
|
||
1026 | * Description of the editing group.
|
||
1027 | *
|
||
1028 | * @throws NeedEditingModeException
|
||
1029 | */
|
||
1030 | public void beginEditingGroup(String description) |
||
1031 | throws NeedEditingModeException;
|
||
1032 | |||
1033 | /**
|
||
1034 | * Finishes an editing group.
|
||
1035 | *
|
||
1036 | * @throws NeedEditingModeException
|
||
1037 | */
|
||
1038 | public void endEditingGroup() throws NeedEditingModeException; |
||
1039 | |||
1040 | /*
|
||
1041 | * =============================================================
|
||
1042 | *
|
||
1043 | * Index related services
|
||
1044 | */
|
||
1045 | |||
1046 | /**
|
||
1047 | * Creates an index which will be applied to the features of the given type,
|
||
1048 | * by using the data of the given attribute.
|
||
1049 | *
|
||
1050 | * @param featureType
|
||
1051 | * The FeatureType to which the indexed attribute belongs.
|
||
1052 | *
|
||
1053 | * @param attributeName
|
||
1054 | * The name of the attributed to be indexed
|
||
1055 | *
|
||
1056 | * @param indexName
|
||
1057 | * The index name
|
||
1058 | *
|
||
1059 | * @return the resulting {@link FeatureIndex}
|
||
1060 | *
|
||
1061 | *
|
||
1062 | * @throws FeatureIndexException
|
||
1063 | * if there is an error creating the index
|
||
1064 | */
|
||
1065 | public FeatureIndex createIndex(FeatureType featureType,
|
||
1066 | String attributeName, String indexName) throws DataException; |
||
1067 | |||
1068 | /**
|
||
1069 | * Creates an index which will be applied to the features of the given type,
|
||
1070 | * by using the data of the given attribute.
|
||
1071 | *
|
||
1072 | * @param indexTypeName
|
||
1073 | * the type of the index to be created. That name is
|
||
1074 | * related to one of the registered index providers
|
||
1075 | * @param featureType
|
||
1076 | * The FeatureType to which the indexed attribute belongs.
|
||
1077 | *
|
||
1078 | * @param attributeName
|
||
1079 | * The name of the attributed to be indexed
|
||
1080 | *
|
||
1081 | * @param indexName
|
||
1082 | * The index name
|
||
1083 | *
|
||
1084 | * @return the resulting {@link FeatureIndex}
|
||
1085 | *
|
||
1086 | *
|
||
1087 | * @throws FeatureIndexException
|
||
1088 | * if there is an error creating the index
|
||
1089 | */
|
||
1090 | public FeatureIndex createIndex(String indexTypeName, |
||
1091 | FeatureType featureType, String attributeName, String indexName) |
||
1092 | throws DataException;
|
||
1093 | |||
1094 | /**
|
||
1095 | * Creates an index which will be applied to the features of the given type,
|
||
1096 | * by using the data of the given attribute. This method will return without
|
||
1097 | * waiting for the index to be filled, as that will be performed in
|
||
1098 | * background. An optional {@link Observer} parameter is provided to be
|
||
1099 | * notified ( {@link FeatureStoreNotification#INDEX_FILLING_SUCCESS} )
|
||
1100 | * when the index has finished filling with data and is available to be
|
||
1101 | * used.
|
||
1102 | *
|
||
1103 | * @param featureType
|
||
1104 | * The FeatureType to which the indexed attribute belongs.
|
||
1105 | *
|
||
1106 | * @param attributeName
|
||
1107 | * The name of the attributed to be indexed
|
||
1108 | *
|
||
1109 | * @param indexName
|
||
1110 | * The index name
|
||
1111 | *
|
||
1112 | * @param observer
|
||
1113 | * to notify to when the created index has finished filling
|
||
1114 | * with data and is available to be used. The observer will
|
||
1115 | * receive then a
|
||
1116 | * {@link FeatureStoreNotification#INDEX_FILLING_SUCCESS}
|
||
1117 | * notification, with the index object if it has finished
|
||
1118 | * successfully, or a
|
||
1119 | * {@link FeatureStoreNotification#INDEX_FILLING_ERROR}
|
||
1120 | * notification with the exception object if there has been
|
||
1121 | * any error in the process. Optional.
|
||
1122 | *
|
||
1123 | * @return the resulting {@link FeatureIndex}
|
||
1124 | *
|
||
1125 | * @see FeatureStoreNotification#INDEX_FILLING_STARTED
|
||
1126 | * @see FeatureStoreNotification#INDEX_FILLING_SUCCESS
|
||
1127 | * @see FeatureStoreNotification#INDEX_FILLING_CANCELLED
|
||
1128 | * @see FeatureStoreNotification#INDEX_FILLING_ERROR
|
||
1129 | *
|
||
1130 | * @throws FeatureIndexException
|
||
1131 | * if there is an error creating the index
|
||
1132 | */
|
||
1133 | public FeatureIndex createIndex(FeatureType featureType,
|
||
1134 | String attributeName, String indexName, Observer observer) |
||
1135 | throws DataException;
|
||
1136 | |||
1137 | /**
|
||
1138 | * Creates an index which will be applied to the features of the given type,
|
||
1139 | * by using the data of the given attribute. This method will return without
|
||
1140 | * waiting for the index to be filled, as that will be performed in
|
||
1141 | * background. An optional {@link Observer} parameter is provided to be
|
||
1142 | * notified ( {@link FeatureStoreNotification#INDEX_FILLING_SUCCESS} )
|
||
1143 | * when the index has finished filling with data and is available to be
|
||
1144 | * used.
|
||
1145 | *
|
||
1146 | * @param indexTypeName
|
||
1147 | * the type of the index to be created. That name is
|
||
1148 | * related to one of the registered index providers
|
||
1149 | * @param featureType
|
||
1150 | * The FeatureType to which the indexed attribute belongs.
|
||
1151 | *
|
||
1152 | * @param attributeName
|
||
1153 | * The name of the attributed to be indexed
|
||
1154 | *
|
||
1155 | * @param indexName
|
||
1156 | * The index name
|
||
1157 | *
|
||
1158 | * @param observer
|
||
1159 | * to notify to when the created index has finished filling
|
||
1160 | * with data and is available to be used. The observer will
|
||
1161 | * receive then a
|
||
1162 | * {@link FeatureStoreNotification#INDEX_FILLING_SUCCESS}
|
||
1163 | * notification, with the index object if it has finished
|
||
1164 | * successfully, or a
|
||
1165 | * {@link FeatureStoreNotification#INDEX_FILLING_ERROR}
|
||
1166 | * notification with the exception object if there has been
|
||
1167 | * any error in the process. Optional.
|
||
1168 | *
|
||
1169 | * @return the resulting {@link FeatureIndex}
|
||
1170 | *
|
||
1171 | * @see FeatureStoreNotification#INDEX_FILLING_STARTED
|
||
1172 | * @see FeatureStoreNotification#INDEX_FILLING_SUCCESS
|
||
1173 | * @see FeatureStoreNotification#INDEX_FILLING_CANCELLED
|
||
1174 | * @see FeatureStoreNotification#INDEX_FILLING_ERROR
|
||
1175 | *
|
||
1176 | * @throws FeatureIndexException
|
||
1177 | * if there is an error creating the index
|
||
1178 | */
|
||
1179 | public FeatureIndex createIndex(String indexTypeName, |
||
1180 | FeatureType featureType, String attributeName, String indexName, |
||
1181 | Observer observer) throws DataException; |
||
1182 | |||
1183 | /**
|
||
1184 | * Returns a FeatureIndexes structure containing all available indexes in
|
||
1185 | * the store.
|
||
1186 | *
|
||
1187 | * @return
|
||
1188 | */
|
||
1189 | public FeatureIndexes getIndexes();
|
||
1190 | |||
1191 | /*
|
||
1192 | * =============================================================
|
||
1193 | *
|
||
1194 | * Selection related services
|
||
1195 | */
|
||
1196 | |||
1197 | /**
|
||
1198 | * Sets the selection to the passed {@link FeatureSet}
|
||
1199 | *
|
||
1200 | * @param selection
|
||
1201 | * A {@link FeatureSet} with the requested selection
|
||
1202 | * @throws org.gvsig.fmap.dal.exception.DataException
|
||
1203 | */
|
||
1204 | public void setSelection(FeatureSet selection) throws DataException; |
||
1205 | |||
1206 | /**
|
||
1207 | * Creates a {@link FeatureSelection}
|
||
1208 | *
|
||
1209 | * @return
|
||
1210 | * a {@link FeatureSelection}
|
||
1211 | *
|
||
1212 | * @throws DataException
|
||
1213 | */
|
||
1214 | public FeatureSelection createFeatureSelection() throws DataException; |
||
1215 | |||
1216 | public FeatureSelection createLargeFeatureSelection() throws DataException; |
||
1217 | |||
1218 | /**
|
||
1219 | * Creates a {@link FeatureSelection}
|
||
1220 | *
|
||
1221 | * @return
|
||
1222 | * a {@link FeatureSelection}
|
||
1223 | *
|
||
1224 | * @throws DataException
|
||
1225 | */
|
||
1226 | public FeatureSelection createMemoryFeatureSelection() throws DataException; |
||
1227 | |||
1228 | |||
1229 | /**
|
||
1230 | * Returns the current {@link FeatureSelection}.
|
||
1231 | * Create a empty selection if not exits.
|
||
1232 | *
|
||
1233 | * Manage of the selection can be slow on some data sources.
|
||
1234 | * Use with care.
|
||
1235 | * In data sources that do not support position access to records,
|
||
1236 | * it may be slow to retrieve items from the selection. In some data
|
||
1237 | * sources it may be necessary to access to this to retrieve each
|
||
1238 | * item in the selection.
|
||
1239 | *
|
||
1240 | * @return
|
||
1241 | * current {@link FeatureSelection}.
|
||
1242 | *
|
||
1243 | * @throws DataException
|
||
1244 | */
|
||
1245 | public FeatureSelection getFeatureSelection() throws DataException; |
||
1246 | |||
1247 | public FeatureSelection getFeatureSelectionQuietly();
|
||
1248 | |||
1249 | /*
|
||
1250 | * =============================================================
|
||
1251 | *
|
||
1252 | * Lock related services
|
||
1253 | */
|
||
1254 | |||
1255 | /**
|
||
1256 | * Indicates whether this store supports locks.
|
||
1257 | *
|
||
1258 | * @return
|
||
1259 | * true if this store supports locks, false if not.
|
||
1260 | */
|
||
1261 | public boolean isLocksSupported(); |
||
1262 | |||
1263 | /**
|
||
1264 | * Returns the set of locked features
|
||
1265 | *
|
||
1266 | * @return
|
||
1267 | * set of locked features
|
||
1268 | *
|
||
1269 | * @throws DataException
|
||
1270 | */
|
||
1271 | public FeatureLocks getLocks() throws DataException; |
||
1272 | |||
1273 | /*
|
||
1274 | * =============================================================
|
||
1275 | * Transforms related services
|
||
1276 | * =============================================================
|
||
1277 | */
|
||
1278 | |||
1279 | /**
|
||
1280 | * Returns this store transforms
|
||
1281 | *
|
||
1282 | * @return
|
||
1283 | * this store transforms
|
||
1284 | */
|
||
1285 | public FeatureStoreTransforms getTransforms();
|
||
1286 | |||
1287 | /**
|
||
1288 | * Returns a new {@link FeatureQuery} associated to this store.
|
||
1289 | *
|
||
1290 | * @return
|
||
1291 | * a new {@link FeatureQuery} associated to this store.
|
||
1292 | */
|
||
1293 | public FeatureQuery createFeatureQuery();
|
||
1294 | |||
1295 | /**
|
||
1296 | * Returns featue count of this store.
|
||
1297 | *
|
||
1298 | * @return
|
||
1299 | * @throws DataException
|
||
1300 | */
|
||
1301 | public long getFeatureCount() throws DataException; |
||
1302 | |||
1303 | // /**
|
||
1304 | // * Creates a vectorial cache that is used to save and retrieve data.
|
||
1305 | // *
|
||
1306 | // * @param name
|
||
1307 | // * the cache name.
|
||
1308 | // * @param parameters
|
||
1309 | // * parameters to create the stores used to save data.
|
||
1310 | // * @throws DataException
|
||
1311 | // */
|
||
1312 | // public void createCache(String name, DynObject parameters)
|
||
1313 | // throws DataException;
|
||
1314 | //
|
||
1315 | // /**
|
||
1316 | // * @return the vectorial cache
|
||
1317 | // */
|
||
1318 | // public FeatureCache getCache();
|
||
1319 | |||
1320 | /**
|
||
1321 | * Return if the provider knows the real envelope of a layer. If not,
|
||
1322 | * the {@link FeatureStoreProvider#getEnvelope()} method doesn't return
|
||
1323 | * the full envelope.
|
||
1324 | *
|
||
1325 | * @return true if it knows the real envelope.
|
||
1326 | */
|
||
1327 | public boolean isKnownEnvelope(); |
||
1328 | |||
1329 | /**
|
||
1330 | * Return if the maximum number of features provided by the
|
||
1331 | * provider are limited.
|
||
1332 | *
|
||
1333 | * @return true if there is a limit of features.
|
||
1334 | */
|
||
1335 | public boolean hasRetrievedFeaturesLimit(); |
||
1336 | |||
1337 | /**
|
||
1338 | * If the {@link FeatureStoreProvider#hasRetrievedFeaturesLimit()} returns
|
||
1339 | * true,
|
||
1340 | * it returns the limit of features retrieved from the provider.
|
||
1341 | *
|
||
1342 | * @return
|
||
1343 | * The limit of the retrieved features.
|
||
1344 | */
|
||
1345 | public int getRetrievedFeaturesLimit(); |
||
1346 | |||
1347 | /**
|
||
1348 | * Return the associated feature to the dynobject.
|
||
1349 | * If the dynobject isn't associated to a feature of this store, return null.
|
||
1350 | *
|
||
1351 | * @param dynobject
|
||
1352 | * @return
|
||
1353 | */
|
||
1354 | public Feature getFeature(DynObject dynobject);
|
||
1355 | |||
1356 | |||
1357 | public ExpressionBuilder createExpressionBuilder();
|
||
1358 | |||
1359 | /**
|
||
1360 | *
|
||
1361 | * @return
|
||
1362 | * @deprecated use createExpressionBuilder
|
||
1363 | */
|
||
1364 | public ExpressionBuilder createExpression();
|
||
1365 | |||
1366 | public void createCache(String name, DynObject parameters) |
||
1367 | throws DataException;
|
||
1368 | |||
1369 | @Override
|
||
1370 | public FeatureCache getCache();
|
||
1371 | |||
1372 | public boolean isBroken(); |
||
1373 | |||
1374 | public Throwable getBreakingsCause(); |
||
1375 | |||
1376 | /**
|
||
1377 | * Indicates if the storage is temporary.
|
||
1378 | * There is no guarantee that a temporary store can be recovered from
|
||
1379 | * its parameters. In general these will not be persistent.
|
||
1380 | *
|
||
1381 | * @return true if the store is temporary, otherwise false.
|
||
1382 | */
|
||
1383 | public boolean isTemporary(); |
||
1384 | |||
1385 | public void setTemporary(Boolean temporary); |
||
1386 | |||
1387 | /**
|
||
1388 | * @param index
|
||
1389 | * @return
|
||
1390 | */
|
||
1391 | public SpatialIndex wrapSpatialIndex(SpatialIndex index);
|
||
1392 | |||
1393 | public FeatureReference getFeatureReference(String code); |
||
1394 | |||
1395 | /**
|
||
1396 | * Devuelbe el numero de operaciones pendientes de guardar en una sesion
|
||
1397 | * de edicion. Es un valor orientativo.
|
||
1398 | * Las operaciones pendientes son la suma de operaciones de borrado, insercion
|
||
1399 | * o modificacion de las features en una sesion de edicion.
|
||
1400 | *
|
||
1401 | * Retorna 0 si no esta en edicion.
|
||
1402 | *
|
||
1403 | * @return numero de operaciones pendientes.
|
||
1404 | */
|
||
1405 | public long getPendingChangesCount(); |
||
1406 | |||
1407 | public Feature getSampleFeature();
|
||
1408 | |||
1409 | /**
|
||
1410 | * Return true when the default feature type of the store
|
||
1411 | * support references.
|
||
1412 | *
|
||
1413 | * @return true when support references.
|
||
1414 | */
|
||
1415 | public boolean supportReferences(); |
||
1416 | |||
1417 | public Feature getOriginalFeature(FeatureReference id);
|
||
1418 | |||
1419 | public Feature getOriginalFeature(Feature feature);
|
||
1420 | |||
1421 | public boolean isFeatureModified(FeatureReference id); |
||
1422 | |||
1423 | public boolean isFeatureModified(Feature feature); |
||
1424 | |||
1425 | public String getEditingSession(); |
||
1426 | |||
1427 | public List<FeatureReference> getEditedFeatures(); |
||
1428 | |||
1429 | public List<FeatureReference> getEditedFeaturesNotValidated(); |
||
1430 | |||
1431 | public boolean isFeatureSelectionEmpty(); |
||
1432 | |||
1433 | public boolean isFeatureSelectionAvailable(); |
||
1434 | |||
1435 | public Iterator<Feature> getFeaturesIterator(Iterator<FeatureReference> references); |
||
1436 | |||
1437 | public Iterable<Feature> getFeaturesIterable(Iterator<FeatureReference> references); |
||
1438 | |||
1439 | public boolean canBeEdited(); |
||
1440 | |||
1441 | public String getLabel(); |
||
1442 | |||
1443 | } |