svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.db / org.gvsig.fmap.dal.db.jdbc / src / main / java / org / gvsig / fmap / dal / store / jdbc / JDBCStoreProvider.java @ 40435
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1 | 40435 | jjdelcerro | /* gvSIG. Geographic Information System of the Valencian Government
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2 | *
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3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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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 2
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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 | */
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22 | |||
23 | /*
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24 | * AUTHORS (In addition to CIT):
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25 | * 2009 IVER T.I {{Task}}
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26 | */
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27 | |||
28 | /**
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29 | *
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30 | */
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31 | package org.gvsig.fmap.dal.store.jdbc; |
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32 | |||
33 | import java.security.InvalidParameterException; |
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34 | import java.sql.Connection; |
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35 | import java.sql.PreparedStatement; |
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36 | import java.sql.ResultSet; |
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37 | import java.sql.SQLException; |
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38 | import java.sql.Statement; |
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39 | import java.util.ArrayList; |
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40 | import java.util.Collections; |
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41 | import java.util.Iterator; |
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42 | import java.util.List; |
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43 | |||
44 | import org.cresques.cts.IProjection; |
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45 | import org.gvsig.fmap.dal.DALLocator; |
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46 | import org.gvsig.fmap.dal.DataManager; |
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47 | import org.gvsig.fmap.dal.DataServerExplorer; |
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48 | import org.gvsig.fmap.dal.DataStore; |
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49 | import org.gvsig.fmap.dal.DataStoreNotification; |
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50 | import org.gvsig.fmap.dal.DataTypes; |
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51 | import org.gvsig.fmap.dal.exception.CloseException; |
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52 | import org.gvsig.fmap.dal.exception.DataException; |
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53 | import org.gvsig.fmap.dal.exception.InitializeException; |
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54 | import org.gvsig.fmap.dal.exception.OpenException; |
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55 | import org.gvsig.fmap.dal.exception.ReadException; |
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56 | import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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57 | import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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58 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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59 | import org.gvsig.fmap.dal.feature.FeatureQuery; |
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60 | import org.gvsig.fmap.dal.feature.FeatureType; |
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61 | import org.gvsig.fmap.dal.feature.spi.AbstractFeatureStoreProvider; |
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62 | import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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63 | import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
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64 | import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
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65 | import org.gvsig.fmap.dal.resource.ResourceAction; |
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66 | import org.gvsig.fmap.dal.resource.exception.ResourceExecuteException; |
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67 | import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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68 | import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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69 | import org.gvsig.fmap.dal.store.db.DBHelper; |
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70 | import org.gvsig.fmap.dal.store.db.FeatureTypeHelper; |
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71 | import org.gvsig.fmap.dal.store.jdbc.exception.InvalidResultSetIdException; |
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72 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCException; |
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73 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecutePreparedSQLException; |
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74 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
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75 | import org.gvsig.fmap.geom.Geometry; |
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76 | import org.gvsig.fmap.geom.GeometryLocator; |
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77 | import org.gvsig.fmap.geom.GeometryManager; |
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78 | import org.gvsig.fmap.geom.primitive.Envelope; |
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79 | import org.gvsig.tools.dynobject.DynObject; |
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80 | import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
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81 | import org.gvsig.tools.exception.BaseException; |
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82 | import org.slf4j.Logger; |
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83 | import org.slf4j.LoggerFactory; |
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84 | |||
85 | |||
86 | /**
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87 | * @author jmvivo
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88 | *
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89 | */
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90 | public class JDBCStoreProvider extends AbstractFeatureStoreProvider |
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91 | implements JDBCHelperUser {
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92 | |||
93 | final static private Logger logger = LoggerFactory |
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94 | .getLogger(JDBCStoreProvider.class); |
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95 | |||
96 | private List<ResultSetInfo> resulsetList; |
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97 | |||
98 | public static String NAME = "JDBC"; |
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99 | public static String DESCRIPTION = "JDBC source"; |
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100 | |||
101 | public static final String METADATA_DEFINITION_NAME = NAME; |
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102 | |||
103 | private long mlsecondsToZombie = 1000 * 60 * 10; // 10 Min |
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104 | |||
105 | protected JDBCHelper helper;
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106 | |||
107 | protected boolean directSQLMode; |
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108 | |||
109 | private Long totalCount = null; |
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110 | private GeometryManager geomManager = null; |
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111 | |||
112 | public JDBCStoreProvider(JDBCStoreParameters params,
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113 | DataStoreProviderServices storeServices) throws InitializeException {
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114 | this(
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115 | params, |
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116 | storeServices, |
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117 | DBHelper.newMetadataContainer(METADATA_DEFINITION_NAME) |
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118 | ); |
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119 | } |
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120 | |||
121 | protected JDBCStoreProvider(JDBCStoreParameters params,
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122 | DataStoreProviderServices storeServices, DynObject metadata) |
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123 | throws InitializeException {
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124 | super(params, storeServices, metadata);
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125 | geomManager = GeometryLocator.getGeometryManager(); |
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126 | |||
127 | resulsetList = new ArrayList<ResultSetInfo>(10); |
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128 | |||
129 | helper = createHelper(); |
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130 | if (params.getSQL() != null && (params.getSQL()).trim().length() > 0) { |
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131 | directSQLMode = true;
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132 | } |
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133 | |||
134 | this.initFeatureType();
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135 | } |
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136 | |||
137 | public Object getDynValue(String name) throws DynFieldNotFoundException { |
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138 | try {
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139 | if( DataStore.METADATA_ENVELOPE.equalsIgnoreCase(name) ) {
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140 | Envelope env = this.getEnvelope();
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141 | if( env != null ) { |
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142 | return env;
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143 | } |
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144 | } else if( DataStore.METADATA_CRS.equalsIgnoreCase(name) ) { |
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145 | IProjection proj; |
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146 | proj = this.getFeatureStore().getDefaultFeatureType().getDefaultSRS();
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147 | if( proj != null ) { |
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148 | return proj;
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149 | } |
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150 | } |
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151 | } catch (DataException e) {
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152 | throw new RuntimeException(e); |
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153 | } |
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154 | return super.getDynValue(name); |
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155 | } |
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156 | |||
157 | |||
158 | protected JDBCStoreParameters getJDBCParameters() {
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159 | return (JDBCStoreParameters) this.getParameters(); |
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160 | } |
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161 | |||
162 | |||
163 | /**
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164 | * Load data form a resulset.<br>
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165 | *
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166 | * <strong>Note:</strong><br>
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167 | * this method have to perform <code>resouceBegin</code> at the begining and
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168 | * <code>resourceEnd</code> at the end of execution.
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169 | *
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170 | *
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171 | * @param data
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172 | * @param resulsetID
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173 | *
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174 | * @return
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175 | * @throws DataException
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176 | */
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177 | public void loadFeatureProvider(final FeatureProvider data, final int resultsetID) |
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178 | throws DataException {
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179 | getResource().execute(new ResourceAction() {
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180 | public Object run() throws Exception { |
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181 | ResultSet rs = getResultSet(resultsetID);
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182 | FeatureAttributeDescriptor attr; |
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183 | Iterator<FeatureAttributeDescriptor> iter = FeatureTypeHelper.iterator(data.getType());
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184 | while (iter.hasNext()) {
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185 | attr = iter.next(); |
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186 | loadFeatureProviderValue(data, rs, attr); |
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187 | } |
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188 | return null; |
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189 | } |
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190 | }); |
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191 | } |
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192 | |||
193 | protected void loadFeatureProviderValue(FeatureProvider data, ResultSet rs, |
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194 | FeatureAttributeDescriptor attr) throws DataException {
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195 | if (attr.getType() == DataTypes.GEOMETRY) {
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196 | byte[] buffer; |
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197 | try {
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198 | buffer = rs.getBytes(attr.getIndex() + 1);
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199 | if (buffer == null) { |
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200 | data.set(attr.getIndex(), null);
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201 | } else {
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202 | data.set(attr.getIndex(), this.helper.getGeometry(buffer));
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203 | } |
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204 | } catch (SQLException e) { |
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205 | throw new JDBCSQLException(e); |
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206 | } catch (BaseException e) {
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207 | throw new ReadException(getProviderName(), e); |
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208 | } |
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209 | |||
210 | } else {
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211 | try {
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212 | data.set(attr.getIndex(), rs.getObject(attr.getIndex() + 1));
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213 | } catch (SQLException e) { |
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214 | throw new JDBCSQLException(e); |
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215 | } |
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216 | } |
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217 | } |
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218 | |||
219 | public long getTimeToResulSetZombie() { |
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220 | return mlsecondsToZombie;
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221 | } |
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222 | |||
223 | public void setTimeToResulSetZombie(long mlSeconds) { |
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224 | mlsecondsToZombie = mlSeconds; |
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225 | } |
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226 | |||
227 | private class ResultSetInfo{ |
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228 | private ResultSet resultSet = null; |
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229 | private long lastUse = 0; |
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230 | |||
231 | public ResultSetInfo(ResultSet resulSet) { |
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232 | this.resultSet = resulSet;
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233 | used(); |
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234 | } |
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235 | |||
236 | private void used() { |
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237 | lastUse = System.currentTimeMillis();
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238 | } |
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239 | |||
240 | |||
241 | public ResultSet get() { |
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242 | used(); |
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243 | return resultSet;
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244 | } |
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245 | |||
246 | public boolean isZombie() { |
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247 | return System.currentTimeMillis() - lastUse > mlsecondsToZombie; |
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248 | } |
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249 | } |
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250 | |||
251 | public final int createResultSet(String sql, int fetchSize) |
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252 | throws DataException {
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253 | return createResultSet(sql, null, fetchSize); |
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254 | } |
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255 | |||
256 | public final int createResultSet(final String sql, final Object[] values, |
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257 | final int fetchSize) |
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258 | throws DataException {
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259 | logger.debug("Creating resultSet with sql: {}", sql);
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260 | synchronized (this) { |
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261 | checksResulsets(); |
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262 | return ((Integer) getResource().execute(new ResourceAction() { |
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263 | public Object run() throws Exception { |
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264 | ResultSetInfo newRs = |
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265 | new ResultSetInfo(createNewResultSet(sql, values,
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266 | fetchSize)); |
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267 | int newId = getNewId();
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268 | if (newId < 0) { |
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269 | newId = resulsetList.size(); |
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270 | resulsetList.add(newRs); |
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271 | } else {
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272 | resulsetList.set(newId, newRs); |
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273 | } |
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274 | logger.debug("Created resultset id: {} (total open: {})",
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275 | newId, getResultsetOpenCount()); |
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276 | |||
277 | return Integer.valueOf(newId); |
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278 | } |
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279 | })).intValue(); |
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280 | } |
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281 | } |
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282 | |||
283 | private int getNewId() { |
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284 | int newId;
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285 | if (resulsetList.size() < 1) { |
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286 | return -1; |
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287 | } |
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288 | for (newId = 0; newId < resulsetList.size(); newId++) { |
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289 | if (resulsetList.get(newId) == null) { |
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290 | return newId;
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291 | } |
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292 | } |
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293 | return -1; |
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294 | } |
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295 | |||
296 | protected final void forceCloseAllResultSet() |
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297 | throws ResourceExecuteException,
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298 | JDBCException { |
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299 | synchronized (this) { |
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300 | // FIXME: Esto no deberia funcionar.
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301 | Iterator iter = resulsetList.iterator();
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302 | Integer rsID = null; |
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303 | while (iter.hasNext()) {
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304 | rsID = (Integer) iter.next();
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305 | if (rsID != null) { |
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306 | try {
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307 | forceCloseResultSet(rsID.intValue()); |
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308 | } catch (InvalidResultSetIdException e) {
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309 | continue;
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310 | } |
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311 | } |
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312 | iter.remove(); |
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313 | } |
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314 | |||
315 | } |
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316 | } |
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317 | |||
318 | protected final void forceCloseResultSet(int rsID) |
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319 | throws ResourceExecuteException, JDBCException,
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320 | InvalidResultSetIdException { |
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321 | logger.warn("Close forced of resultSet ({})", rsID);
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322 | closeResulset(rsID); |
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323 | } |
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324 | |||
325 | protected final ResultSet getResultSet(int resultsetID) |
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326 | throws InvalidResultSetIdException {
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327 | if (resultsetID >= resulsetList.size()) {
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328 | throw new InvalidResultSetIdException(resultsetID); |
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329 | } |
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330 | ResultSetInfo rsInfo = resulsetList.get(resultsetID); |
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331 | if (rsInfo == null) { |
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332 | throw new InvalidResultSetIdException(resultsetID); |
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333 | } |
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334 | return rsInfo.get();
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335 | |||
336 | } |
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337 | |||
338 | private ResultSet dropResultSet(int resultsetID) |
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339 | throws InvalidResultSetIdException {
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340 | if (resultsetID >= resulsetList.size()) {
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341 | throw new InvalidResultSetIdException(resultsetID); |
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342 | } |
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343 | ResultSetInfo rsInfo = (ResultSetInfo) resulsetList.get(resultsetID); |
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344 | if (rsInfo == null) { |
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345 | throw new InvalidResultSetIdException(resultsetID); |
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346 | } |
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347 | if (resultsetID == resulsetList.size() - 1) { |
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348 | resulsetList.remove(resultsetID); |
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349 | } else {
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350 | resulsetList.set(resultsetID, null);
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351 | } |
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352 | return rsInfo.get();
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353 | } |
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354 | |||
355 | |||
356 | public final boolean resulsetNext(final int resultsetID) |
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357 | throws JDBCException,
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358 | InvalidResultSetIdException, ResourceExecuteException { |
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359 | return ((Boolean) getResource().execute(new ResourceAction() { |
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360 | public Object run() throws Exception { |
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361 | boolean bool = getResultSet(resultsetID).next();
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362 | return Boolean.valueOf(bool); |
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363 | } |
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364 | })).booleanValue(); |
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365 | } |
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366 | |||
367 | public final void closeResulset(final int resultsetID) |
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368 | throws JDBCException,
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369 | InvalidResultSetIdException, ResourceExecuteException { |
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370 | synchronized (this) { |
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371 | getResource().execute(new ResourceAction() {
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372 | public Object run() throws Exception { |
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373 | ResultSet rs = dropResultSet(resultsetID);
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374 | closeResulset(rs); |
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375 | return null; |
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376 | } |
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377 | }); |
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378 | if (logger.isDebugEnabled()) {
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379 | logger.debug(" id: " + resultsetID + " (total " |
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380 | + getResultsetOpenCount() + ")");
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381 | } |
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382 | checksResulsets(); |
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383 | } |
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384 | } |
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385 | |||
386 | public final void checksResulsets() throws JDBCException, |
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387 | InvalidResultSetIdException, ResourceExecuteException { |
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388 | synchronized (this) { |
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389 | getResource().execute(new ResourceAction() {
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390 | public Object run() throws Exception { |
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391 | ResultSetInfo rsInfo; |
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392 | for (int i = 0; i < resulsetList.size(); i++) { |
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393 | rsInfo = (ResultSetInfo) resulsetList.get(i); |
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394 | if (rsInfo == null) { |
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395 | continue;
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396 | } |
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397 | if (rsInfo.isZombie()) {
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398 | forceCloseResultSet(i); |
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399 | } |
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400 | } |
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401 | return null; |
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402 | } |
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403 | }); |
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404 | } |
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405 | } |
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406 | |||
407 | protected void closeResulset(final ResultSet rs) throws JDBCException, |
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408 | ResourceExecuteException { |
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409 | getResource().execute(new ResourceAction() {
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410 | public Object run() throws Exception { |
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411 | Statement st = rs.getStatement();
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412 | Connection con = st.getConnection();
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413 | try {
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414 | rs.close(); |
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415 | } finally {
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416 | // TODO revisar esto
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417 | try{ st.close(); } catch (Exception ex){ }; |
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418 | try{ con.close(); } catch (Exception ex){ }; |
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419 | } |
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420 | return null; |
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421 | } |
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422 | }); |
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423 | } |
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424 | |||
425 | private int getResultsetOpenCount() { |
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426 | int count = 0; |
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427 | Iterator<ResultSetInfo> iter = resulsetList.iterator();
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428 | while (iter.hasNext()) {
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429 | if (iter.next() != null) { |
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430 | count++; |
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431 | } |
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432 | } |
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433 | return count;
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434 | } |
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435 | |||
436 | protected final int openResulsetCount() { |
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437 | int count = 0; |
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438 | Iterator<ResultSetInfo> iter = resulsetList.iterator();
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439 | while (iter.hasNext()) {
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440 | if (iter.next() != null) { |
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441 | count++; |
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442 | } |
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443 | } |
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444 | return count;
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445 | } |
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446 | |||
447 | public boolean closeResourceRequested(ResourceProvider resource) { |
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448 | try {
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449 | checksResulsets(); |
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450 | return openResulsetCount() == 0 && closeResource(resource); |
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451 | } catch (DataException e) {
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452 | logger.error("Exception throws", e);
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453 | return false; |
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454 | } |
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455 | } |
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456 | |||
457 | |||
458 | protected String fixFilter(String filter) { |
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459 | if (filter == null) { |
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460 | return null; |
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461 | } |
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462 | |||
463 | return filter;
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464 | } |
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465 | |||
466 | protected JDBCHelper createHelper() throws InitializeException { |
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467 | return new JDBCHelper(this, getJDBCParameters()); |
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468 | } |
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469 | |||
470 | protected JDBCHelper getHelper() {
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471 | return helper;
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472 | } |
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473 | |||
474 | protected void resetCount() { |
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475 | totalCount = null;
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476 | } |
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477 | |||
478 | /**
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479 | * Get feature count for a <code>filter</code>.<br>
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480 | *
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481 | * <code>filter</code> can be <code>null</code>.<br>
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482 | *
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483 | * <strong>Note:</strong><br>
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484 | * this method have to perform <code>resouceBegin</code> at the begining and
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485 | * <code>resourceEnd</code> at the end of execution.
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486 | *
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487 | *
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488 | * @param filter
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489 | * @return
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490 | * @throws DataException
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491 | */
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492 | protected long getCount(String filter) |
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493 | throws DataException {
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494 | this.open();
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495 | if (filter == null && totalCount != null) { |
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496 | return totalCount.longValue();
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497 | } |
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498 | final String sql = compoundCountSelect(filter); |
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499 | |||
500 | long count = ((Long) getResource().execute(new ResourceAction() { |
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501 | public Object run() throws Exception { |
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502 | long count = 0; |
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503 | ResultSet rs = createNewResultSet(sql, null, 1); |
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504 | try {
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505 | if (rs.next()) {
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506 | count = rs.getLong(1);
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507 | } |
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508 | } catch (SQLException e) { |
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509 | throw new JDBCSQLException(e); |
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510 | } finally {
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511 | closeResulset(rs); |
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512 | } |
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513 | return Long.valueOf(count); |
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514 | } |
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515 | })).longValue(); |
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516 | |||
517 | if (filter == null) { |
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518 | totalCount = new Long(count); |
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519 | } |
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520 | return count;
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521 | } |
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522 | |||
523 | public void close() throws CloseException { |
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524 | helper.close(); |
||
525 | } |
||
526 | |||
527 | public void open() throws OpenException { |
||
528 | helper.open(); |
||
529 | } |
||
530 | |||
531 | @Override
|
||
532 | protected FeatureProvider internalGetFeatureProviderByReference(
|
||
533 | FeatureReferenceProviderServices reference) throws DataException {
|
||
534 | return internalGetFeatureProviderByReference(reference,
|
||
535 | getFeatureStore() |
||
536 | .getDefaultFeatureType()); |
||
537 | } |
||
538 | |||
539 | @Override
|
||
540 | protected FeatureProvider internalGetFeatureProviderByReference(
|
||
541 | FeatureReferenceProviderServices reference, |
||
542 | FeatureType featureType) |
||
543 | throws DataException {
|
||
544 | StringBuilder filter = new StringBuilder(); |
||
545 | FeatureAttributeDescriptor[] pk =
|
||
546 | getFeatureStore().getFeatureType(featureType.getId()) |
||
547 | .getPrimaryKey(); |
||
548 | |||
549 | List<Object> values = new ArrayList<Object>(); |
||
550 | |||
551 | int i;
|
||
552 | for (i = 0; i < pk.length - 1; i++) { |
||
553 | values.add( |
||
554 | helper.dalValueToJDBC(pk[i], |
||
555 | reference.getKeyValue(pk[i].getName()))); |
||
556 | filter.append(helper.getSqlFieldName(pk[i])); |
||
557 | filter.append(" = ? AND ");
|
||
558 | } |
||
559 | values.add(helper.dalValueToJDBC(pk[i], |
||
560 | reference.getKeyValue(pk[i].getName()))); |
||
561 | filter.append(helper.getSqlFieldName(pk[i])); |
||
562 | filter.append(" = ? ");
|
||
563 | |||
564 | String sql = compoundSelect(featureType, filter.toString(), null, 1, 0); |
||
565 | |||
566 | FeatureProvider data; |
||
567 | int rsId = createResultSet(sql, values.toArray(), 1); |
||
568 | try {
|
||
569 | if (!resulsetNext(rsId)) {
|
||
570 | throw new RuntimeException("Reference Not found"); |
||
571 | } |
||
572 | data = createFeatureProvider(featureType); |
||
573 | loadFeatureProvider(data, rsId); |
||
574 | } finally {
|
||
575 | closeResulset(rsId); |
||
576 | } |
||
577 | |||
578 | return data;
|
||
579 | } |
||
580 | |||
581 | public int getOIDType() { |
||
582 | return DataTypes.UNKNOWN;
|
||
583 | } |
||
584 | |||
585 | protected void initFeatureType() throws InitializeException { |
||
586 | |||
587 | EditableFeatureType edFType = null;
|
||
588 | try {
|
||
589 | edFType = this.getStoreServices().createFeatureType();
|
||
590 | |||
591 | helper.loadFeatureType(edFType, getJDBCParameters()); |
||
592 | |||
593 | } catch (DataException e) {
|
||
594 | throw new InitializeException(this.getProviderName(), e); |
||
595 | } |
||
596 | |||
597 | FeatureType defaultType = edFType.getNotEditableCopy(); |
||
598 | List<FeatureType> types = Collections.singletonList(defaultType); |
||
599 | this.getStoreServices().setFeatureTypes(types, defaultType);
|
||
600 | } |
||
601 | |||
602 | protected ResultSet createNewResultSet(final String sql, |
||
603 | final Object[] values, final int fetchSize) |
||
604 | throws DataException {
|
||
605 | this.open();
|
||
606 | return (ResultSet) getResource().execute(new ResourceAction() { |
||
607 | public Object run() throws Exception { |
||
608 | Connection conn = null; |
||
609 | PreparedStatement st = null; |
||
610 | ResultSet rs = null; |
||
611 | try {
|
||
612 | |||
613 | conn = helper.getConnection(); |
||
614 | conn.setAutoCommit(false);
|
||
615 | st = conn.prepareStatement(sql); |
||
616 | |||
617 | if (values != null) { |
||
618 | Object value;
|
||
619 | for (int i = 0; i < values.length; i++) { |
||
620 | value = values[i]; |
||
621 | if (value instanceof Geometry) { |
||
622 | byte[] bytes; |
||
623 | try {
|
||
624 | bytes = ((Geometry) value).convertToWKB(); |
||
625 | } catch (BaseException e) {
|
||
626 | throw new InvalidParameterException(); |
||
627 | } |
||
628 | st.setBytes(i + 1, bytes);
|
||
629 | } |
||
630 | st.setObject(i + 1, value);
|
||
631 | } |
||
632 | } |
||
633 | |||
634 | if (fetchSize > 0) { |
||
635 | st.setFetchSize(fetchSize); |
||
636 | } |
||
637 | rs = st.executeQuery(); |
||
638 | if (fetchSize > 0) { |
||
639 | rs.setFetchSize(fetchSize); |
||
640 | } |
||
641 | return rs;
|
||
642 | } catch (SQLException e) { |
||
643 | try {
|
||
644 | rs.close(); |
||
645 | } catch (Exception e1) { |
||
646 | } |
||
647 | try {
|
||
648 | st.close(); |
||
649 | } catch (Exception e1) { |
||
650 | } |
||
651 | try {
|
||
652 | conn.close(); |
||
653 | } catch (Exception e1) { |
||
654 | } |
||
655 | throw new JDBCExecutePreparedSQLException(sql,values,e); |
||
656 | } |
||
657 | } |
||
658 | }); |
||
659 | } |
||
660 | |||
661 | protected boolean closeResource(ResourceProvider resource) { |
||
662 | try {
|
||
663 | this.helper.close();
|
||
664 | } catch (CloseException e) {
|
||
665 | logger.error("Exception in close Request", e);
|
||
666 | } |
||
667 | return !this.helper.isOpen(); |
||
668 | } |
||
669 | |||
670 | protected String compoundCountSelect(String filter) { |
||
671 | if (this.directSQLMode) { |
||
672 | return null; |
||
673 | } |
||
674 | // Select
|
||
675 | StringBuilder sql = new StringBuilder(); |
||
676 | sql.append("Select count(");
|
||
677 | String[] pkFields = getJDBCParameters().getPkFields(); |
||
678 | if (pkFields != null && pkFields.length == 1) { |
||
679 | sql.append(helper.escapeFieldName(pkFields[0]));
|
||
680 | } else {
|
||
681 | sql.append('*');
|
||
682 | |||
683 | } |
||
684 | sql.append(") ");
|
||
685 | |||
686 | sql.append("from ");
|
||
687 | |||
688 | sql.append(getJDBCParameters().tableID()); |
||
689 | sql.append(' ');
|
||
690 | |||
691 | appendWhere(sql, filter); |
||
692 | |||
693 | return sql.toString();
|
||
694 | } |
||
695 | |||
696 | protected void appendWhere(StringBuilder sql, String filter) { |
||
697 | filter = fixFilter(filter); |
||
698 | String initialFilter = getJDBCParameters().getBaseFilter();
|
||
699 | if ((initialFilter != null && initialFilter.length() != 0) |
||
700 | || (filter != null && filter.length() != 0)) { |
||
701 | sql.append("where (");
|
||
702 | |||
703 | if (initialFilter != null && initialFilter.length() != 0 |
||
704 | && filter != null && filter.length() != 0) { |
||
705 | // initialFilter + filter
|
||
706 | sql.append('(');
|
||
707 | sql.append(initialFilter); |
||
708 | sql.append(") and (");
|
||
709 | sql.append(filter); |
||
710 | sql.append(')');
|
||
711 | } else if (initialFilter != null && initialFilter.length() != 0) { |
||
712 | // initialFilter only
|
||
713 | sql.append(initialFilter); |
||
714 | } else {
|
||
715 | // filter only
|
||
716 | sql.append(filter); |
||
717 | } |
||
718 | sql.append(") ");
|
||
719 | } |
||
720 | } |
||
721 | |||
722 | public void closeDone() throws DataException { |
||
723 | // Do nothing
|
||
724 | } |
||
725 | |||
726 | public void opendDone() throws DataException { |
||
727 | // Nothing to do
|
||
728 | } |
||
729 | |||
730 | public Envelope getEnvelope() throws DataException { |
||
731 | this.open();
|
||
732 | String defaultGeometryAttributeName;
|
||
733 | defaultGeometryAttributeName = this.getFeatureStore()
|
||
734 | .getDefaultFeatureType() |
||
735 | .getDefaultGeometryAttributeName(); |
||
736 | if( defaultGeometryAttributeName != null ) { |
||
737 | return this.helper.getFullEnvelopeOfField( |
||
738 | this.getJDBCParameters(),
|
||
739 | defaultGeometryAttributeName, |
||
740 | this.getJDBCParameters().getWorkingArea()
|
||
741 | ); |
||
742 | } |
||
743 | return null; |
||
744 | } |
||
745 | |||
746 | public void resourceChanged(ResourceProvider resource) { |
||
747 | this.getStoreServices().notifyChange(
|
||
748 | DataStoreNotification.RESOURCE_CHANGED, |
||
749 | resource); |
||
750 | } |
||
751 | |||
752 | public boolean allowAutomaticValues() { |
||
753 | return this.helper.allowAutomaticValues(); |
||
754 | } |
||
755 | |||
756 | public DataServerExplorer getExplorer() throws ReadException { |
||
757 | DataManager manager = DALLocator.getDataManager(); |
||
758 | JDBCServerExplorerParameters exParams; |
||
759 | JDBCStoreParameters params = getJDBCParameters(); |
||
760 | try {
|
||
761 | exParams = (JDBCServerExplorerParameters) manager |
||
762 | .createServerExplorerParameters(JDBCServerExplorer.NAME); |
||
763 | exParams.setHost(params.getHost()); |
||
764 | exParams.setPort(params.getPort()); |
||
765 | exParams.setDBName(params.getDBName()); |
||
766 | exParams.setUser(params.getUser()); |
||
767 | exParams.setPassword(params.getPassword()); |
||
768 | exParams.setUrl(params.getUrl()); |
||
769 | exParams.setCatalog(params.getCatalog()); |
||
770 | exParams.setSchema(params.getSchema()); |
||
771 | exParams.setJDBCDriverClassName(params.getJDBCDriverClassName()); |
||
772 | |||
773 | return manager.openServerExplorer(JDBCServerExplorer.NAME,exParams);
|
||
774 | } catch (DataException e) {
|
||
775 | throw new ReadException(this.getProviderName(), e); |
||
776 | } catch (ValidateDataParametersException e) {
|
||
777 | throw new ReadException(this.getProviderName(), e); |
||
778 | } |
||
779 | } |
||
780 | |||
781 | @Override
|
||
782 | protected void doDispose() throws BaseException { |
||
783 | this.close();
|
||
784 | resulsetList = null;
|
||
785 | this.helper.dispose();
|
||
786 | super.doDispose();
|
||
787 | } |
||
788 | |||
789 | public Object createNewOID() { |
||
790 | return null; |
||
791 | } |
||
792 | |||
793 | public String compoundSelect(FeatureType type, String filter, String order, |
||
794 | long limit, long offset) throws DataException { |
||
795 | StringBuilder sql = new StringBuilder(); |
||
796 | JDBCStoreParameters params = getJDBCParameters(); |
||
797 | if (directSQLMode) {
|
||
798 | sql.append(params.getSQL()); |
||
799 | sql.append(' ');
|
||
800 | } else {
|
||
801 | FeatureAttributeDescriptor[] fields = type
|
||
802 | .getAttributeDescriptors(); |
||
803 | |||
804 | // Select
|
||
805 | sql.append("Select ");
|
||
806 | for (int i = 0; i < fields.length - 1; i++) { |
||
807 | sql.append(helper.getSqlFieldName(fields[i])); |
||
808 | sql.append(", ");
|
||
809 | } |
||
810 | sql.append(helper.getSqlFieldName(fields[fields.length - 1]));
|
||
811 | sql.append(' ');
|
||
812 | |||
813 | FeatureAttributeDescriptor[] pkFields = getStoreServices()
|
||
814 | .getProviderFeatureType(type.getId()).getPrimaryKey(); |
||
815 | |||
816 | if (pkFields != null && pkFields.length > 0) { |
||
817 | // checks for pk fields are in select
|
||
818 | boolean toAdd;
|
||
819 | for (int i = 0; i < pkFields.length; i++) { |
||
820 | toAdd = true;
|
||
821 | for (int j = 0; j < fields.length; j++) { |
||
822 | if (pkFields[i].getName().equals(fields[j].getName())) {
|
||
823 | toAdd = false;
|
||
824 | break;
|
||
825 | } |
||
826 | if (toAdd) {
|
||
827 | sql.append(", ");
|
||
828 | sql.append(helper.getSqlFieldName(pkFields[i])); |
||
829 | } |
||
830 | } |
||
831 | } |
||
832 | sql.append(' ');
|
||
833 | } |
||
834 | |||
835 | // table
|
||
836 | sql.append("from ");
|
||
837 | sql.append(params.tableID()); |
||
838 | sql.append(' ');
|
||
839 | |||
840 | // Where
|
||
841 | appendWhere(sql, filter); |
||
842 | |||
843 | // Order
|
||
844 | if ((params.getBaseOrder() != null && params.getBaseOrder() |
||
845 | .length() != 0)
|
||
846 | || (order != null && order.length() != 0)) { |
||
847 | sql.append("order by ");
|
||
848 | |||
849 | if (order != null && order.length() != 0) { |
||
850 | // order
|
||
851 | sql.append(order); |
||
852 | } else {
|
||
853 | // initial order
|
||
854 | sql.append(params.getBaseOrder()); |
||
855 | } |
||
856 | sql.append(' ');
|
||
857 | } |
||
858 | } |
||
859 | // limit offset
|
||
860 | if (limit > 0 || offset > 0) { |
||
861 | sql.append(helper.compoundLimitAndOffset(limit,offset)); |
||
862 | } |
||
863 | return sql.toString();
|
||
864 | } |
||
865 | |||
866 | public long getFeatureCount() throws DataException { |
||
867 | return getCount(null); |
||
868 | } |
||
869 | |||
870 | public String getProviderName() { |
||
871 | return NAME;
|
||
872 | } |
||
873 | |||
874 | public boolean hasGeometrySupport() { |
||
875 | return false; |
||
876 | } |
||
877 | |||
878 | public FeatureSetProvider createSet(FeatureQuery query,
|
||
879 | FeatureType featureType) throws DataException {
|
||
880 | |||
881 | return new JDBCSetProvider(this, query, featureType); |
||
882 | } |
||
883 | |||
884 | public Object getSourceId() { |
||
885 | return this.getJDBCParameters().getSourceId(); |
||
886 | } |
||
887 | |||
888 | public String getName() { |
||
889 | return this.getJDBCParameters().tableID(); |
||
890 | } |
||
891 | |||
892 | public String getFullName() { |
||
893 | return this.getJDBCParameters().getHost()+":"+this.getJDBCParameters().getDBName()+":"+this.getJDBCParameters().tableID(); |
||
894 | } |
||
895 | |||
896 | |||
897 | public ResourceProvider getResource() {
|
||
898 | return getHelper().getResource();
|
||
899 | } |
||
900 | |||
901 | protected boolean isDirectSQLMode(){ |
||
902 | return directSQLMode;
|
||
903 | } |
||
904 | } |