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 / DataManager.java @ 43983
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40559 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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6 | 43020 | jjdelcerro | * This program is free software; you can redistribute it and/or modify it under
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7 | * the terms of the GNU General Public License as published by the Free Software
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8 | * Foundation; either version 3 of the License, or (at your option) any later
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9 | * version.
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10 | 40435 | jjdelcerro | *
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11 | 43020 | jjdelcerro | * This program is distributed in the hope that it will be useful, but WITHOUT
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12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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13 | * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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14 | * details.
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15 | 40435 | jjdelcerro | *
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16 | 43020 | jjdelcerro | * You should have received a copy of the GNU General Public License along with
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17 | * this program; if not, write to the Free Software Foundation, Inc., 51
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18 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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19 | 40435 | jjdelcerro | *
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20 | 43020 | jjdelcerro | * For any additional information, do not hesitate to contact us at info AT
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21 | * gvsig.com, or visit our website www.gvsig.com.
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22 | 40435 | jjdelcerro | */
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23 | package org.gvsig.fmap.dal; |
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24 | |||
25 | 43020 | jjdelcerro | import java.io.File; |
26 | 40435 | jjdelcerro | import java.util.List; |
27 | |||
28 | 43205 | fdiaz | import org.gvsig.fmap.dal.exception.DataException; |
29 | 40435 | jjdelcerro | import org.gvsig.fmap.dal.exception.InitializeException; |
30 | import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException; |
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31 | import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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32 | 43983 | jjdelcerro | import org.gvsig.fmap.dal.expressionevaluator.FeatureSymbolTable; |
33 | 40435 | jjdelcerro | import org.gvsig.fmap.dal.feature.EditableFeatureType; |
34 | import org.gvsig.fmap.dal.feature.Feature; |
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35 | import org.gvsig.fmap.dal.feature.FeatureIndex; |
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36 | import org.gvsig.fmap.dal.feature.FeatureQuery; |
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37 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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38 | import org.gvsig.fmap.dal.feature.paging.FeaturePagingHelper; |
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39 | 42775 | jjdelcerro | import org.gvsig.fmap.dal.resource.ResourceManager; |
40 | 43020 | jjdelcerro | import org.gvsig.tools.dataTypes.DataType; |
41 | 40435 | jjdelcerro | import org.gvsig.tools.dynobject.DynObject; |
42 | 42775 | jjdelcerro | import org.gvsig.tools.dynobject.DynStruct; |
43 | 42778 | jjdelcerro | import org.gvsig.tools.dynobject.Tags; |
44 | 40435 | jjdelcerro | import org.gvsig.tools.evaluator.Evaluator; |
45 | 43983 | jjdelcerro | import org.gvsig.tools.evaluator.EvaluatorFactory; |
46 | 40435 | jjdelcerro | import org.gvsig.tools.exception.BaseException; |
47 | 43020 | jjdelcerro | import org.gvsig.tools.service.spi.Services; |
48 | 40435 | jjdelcerro | |
49 | /**
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50 | 43020 | jjdelcerro | * There are two top level management roles within DAL: data access and resource
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51 | * management.
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52 | 40435 | jjdelcerro | *
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53 | 43020 | jjdelcerro | * This class is responsible of the data access management role. It provides
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54 | * ways for registering and instantiating {@link DataServerExplorer}(s),
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55 | * {@link DataStore}(s), {@link Evaluator}(s) and {@link FeatureIndex}(es).
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56 | 40435 | jjdelcerro | *
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57 | * @see ResourceManager
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58 | *
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59 | */
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60 | 43020 | jjdelcerro | public interface DataManager extends Services { |
61 | 40435 | jjdelcerro | |
62 | 43020 | jjdelcerro | public static final String CREATE_STORE_AUTHORIZATION = "dal-create-store"; |
63 | public static final String READ_STORE_AUTHORIZATION = "dal-read-store"; |
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64 | public static final String WRITE_STORE_AUTHORIZATION = "dal-write-store"; |
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65 | 40435 | jjdelcerro | |
66 | 43020 | jjdelcerro | /**
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67 | * Returns the default DAL's temporary directory
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68 | *
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69 | * @return Temporary directory name
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70 | 43241 | jjdelcerro | * @deprecated use FoldersManager of org.gvsig.tools
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71 | 43020 | jjdelcerro | */
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72 | public String getTemporaryDirectory(); |
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73 | 40435 | jjdelcerro | |
74 | 43020 | jjdelcerro | /*
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75 | * ====================================================================
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76 | *
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77 | * Store related services
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78 | */
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79 | /**
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80 | * Creates, initializes and returns an instance of DataStoreParameters given
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81 | * the name with which their provider is registered.
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82 | *
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83 | * @param name provider name
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84 | * @return the data store parameters
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85 | *
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86 | * @throws ProviderNotRegisteredException if the memory provider is not
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87 | * registered
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88 | * @throws InitializeException if there is an error initializing the
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89 | * parameters for the memory provider
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90 | *
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91 | */
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92 | public DataStoreParameters createStoreParameters(String name) |
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93 | throws InitializeException, ProviderNotRegisteredException;
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94 | 40435 | jjdelcerro | |
95 | 43020 | jjdelcerro | /**
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96 | * Creates, initializes and fill an instance of DataStoreParameters from the
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97 | * tags of the DynStruct passed as parameter.
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98 | *
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99 | * @param struct structure from which tags were created ths parameters.
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100 | * @return the data store parameters
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101 | *
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102 | * @throws ProviderNotRegisteredException if the memory provider is not
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103 | * registered
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104 | * @throws InitializeException if there is an error initializing the
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105 | * parameters for the memory provider
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106 | *
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107 | */
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108 | public DataStoreParameters createStoreParameters(DynStruct struct)
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109 | throws InitializeException, ProviderNotRegisteredException;
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110 | 40435 | jjdelcerro | |
111 | 43020 | jjdelcerro | public DataStoreParameters createStoreParameters(Tags tags) throws InitializeException, ProviderNotRegisteredException; |
112 | 42778 | jjdelcerro | |
113 | 43020 | jjdelcerro | /**
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114 | * Creates, initializes and returns an instance of NewDataStoreParameters
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115 | * given the name with which their provider is registered.
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116 | *
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117 | * @param explorer
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118 | * @param provider
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119 | * @return
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120 | *
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121 | * @throws InitializeException
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122 | * @throws ProviderNotRegisteredException
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123 | */
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124 | public NewDataStoreParameters createNewStoreParameters(String explorer, String provider) |
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125 | throws InitializeException, ProviderNotRegisteredException;
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126 | 40435 | jjdelcerro | |
127 | 43020 | jjdelcerro | /**
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128 | *
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129 | * Creates, initializes and returns an instance of DataStore given the
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130 | * DataStoreParameters.
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131 | *
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132 | * @param provider
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133 | * @param parameters parameters used to instantiate and initialize the
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134 | * DataStore
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135 | * @return
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136 | *
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137 | * @throws ProviderNotRegisteredException if the memory provider is not
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138 | * registered
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139 | * @throws InitializeException if there is an error initializing the
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140 | * parameters for the memory provider
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141 | * @throws ValidateDataParametersException if the parameters to open the
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142 | * memory based store are not valid
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143 | */
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144 | public DataStore openStore(String provider, DynObject parameters) |
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145 | throws InitializeException, ProviderNotRegisteredException,
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146 | ValidateDataParametersException; |
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147 | 40435 | jjdelcerro | |
148 | 43020 | jjdelcerro | public DataStore openStore(String provider, DataStoreParameters parameters) |
149 | throws InitializeException, ProviderNotRegisteredException,
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150 | ValidateDataParametersException; |
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151 | 42775 | jjdelcerro | |
152 | 43093 | jjdelcerro | public DataStore openStore(
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153 | 43205 | fdiaz | String providerName,
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154 | Object... arguments)
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155 | throws
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156 | InitializeException, |
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157 | ProviderNotRegisteredException, |
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158 | ValidateDataParametersException; |
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159 | |||
160 | 43020 | jjdelcerro | public DataStore openStore(DynStruct struct)
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161 | throws InitializeException, ProviderNotRegisteredException, ValidateDataParametersException;
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162 | 42775 | jjdelcerro | |
163 | 43020 | jjdelcerro | /**
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164 | * Create a new physical store
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165 | *
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166 | * @param explorer
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167 | * @param provider
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168 | * @param parameters
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169 | * @param overwrite
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170 | *
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171 | * @throws InitializeException
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172 | * @throws ProviderNotRegisteredException
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173 | * @throws ValidateDataParametersException
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174 | */
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175 | public void newStore(String explorer, String provider, NewDataStoreParameters parameters, boolean overwrite) |
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176 | throws InitializeException, ProviderNotRegisteredException,
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177 | ValidateDataParametersException; |
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178 | 40435 | jjdelcerro | |
179 | 43020 | jjdelcerro | /**
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180 | * Returns a list of Strings containing the names of all available DataStore
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181 | * providers.
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182 | *
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183 | * @return list of String containing available DataStore provider names
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184 | */
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185 | public List getStoreProviders(); |
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186 | 42624 | jjdelcerro | |
187 | 43020 | jjdelcerro | /**
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188 | * Returns a list of Strings containing the names of all available DataStore
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189 | * providers for an explorer.
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190 | *
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191 | * @param name
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192 | * @return
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193 | */
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194 | public List<String> getStoreProviders(String name); |
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195 | 42624 | jjdelcerro | |
196 | 43020 | jjdelcerro | /*
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197 | * ====================================================================
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198 | *
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199 | * Explorer related services
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200 | */
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201 | /**
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202 | * Returns an instance of {@link DataServerExplorerParameters} corresponding
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203 | * to the given name.
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204 | *
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205 | * @param name name of a registered server explorer provider
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206 | * @return
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207 | *
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208 | * @throws InitializeException if parameter initialization causes an error.
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209 | *
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210 | * @throws ProviderNotRegisteredException if could not find a provider by
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211 | * the given name.
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212 | *
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213 | *
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214 | */
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215 | public DataServerExplorerParameters createServerExplorerParameters(
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216 | String name)
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217 | throws InitializeException, ProviderNotRegisteredException;
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218 | 40435 | jjdelcerro | |
219 | 43020 | jjdelcerro | /**
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220 | * Returns an instance of {@link DataServerExplorer} given its parameters.
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221 | *
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222 | * @param name
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223 | * @param parameters parameters used to instantiate and initialize the
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224 | * {@link DataServerExplorer}.
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225 | *
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226 | * @return an instance of {@link DataServerExplorer}.
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227 | *
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228 | * @throws InitializeException
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229 | *
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230 | * @throws ProviderNotRegisteredException
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231 | * @throws ValidateDataParametersException
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232 | */
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233 | public DataServerExplorer openServerExplorer(
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234 | String name,
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235 | DataServerExplorerParameters parameters) |
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236 | throws InitializeException, ProviderNotRegisteredException,
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237 | ValidateDataParametersException; |
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238 | 43205 | fdiaz | |
239 | 43093 | jjdelcerro | public DataServerExplorer openServerExplorer(
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240 | 43205 | fdiaz | String explorerName,
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241 | 43093 | jjdelcerro | Object... arguments)
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242 | 43205 | fdiaz | throws
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243 | InitializeException, |
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244 | ProviderNotRegisteredException, |
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245 | 43093 | jjdelcerro | ValidateDataParametersException; |
246 | 43020 | jjdelcerro | /**
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247 | 43045 | jjdelcerro | * @param parameters
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248 | 43205 | fdiaz | * @return
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249 | * @throws org.gvsig.fmap.dal.exception.InitializeException
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250 | * @throws org.gvsig.fmap.dal.exception.ProviderNotRegisteredException
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251 | * @throws org.gvsig.fmap.dal.exception.ValidateDataParametersException
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252 | 43020 | jjdelcerro | * @deprecated see openServerExplorer
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253 | */
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254 | public DataServerExplorer createServerExplorer(
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255 | DataServerExplorerParameters parameters) |
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256 | throws InitializeException, ProviderNotRegisteredException,
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257 | ValidateDataParametersException; |
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258 | 43205 | fdiaz | |
259 | 43020 | jjdelcerro | /**
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260 | 43045 | jjdelcerro | * @param parameters
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261 | 43205 | fdiaz | * @return
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262 | * @throws org.gvsig.fmap.dal.exception.InitializeException
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263 | * @throws org.gvsig.fmap.dal.exception.ProviderNotRegisteredException
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264 | * @throws org.gvsig.fmap.dal.exception.ValidateDataParametersException
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265 | 43045 | jjdelcerro | * @deprecated see openStore
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266 | */
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267 | public DataStore createStore(DataStoreParameters parameters)
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268 | throws InitializeException, ProviderNotRegisteredException,
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269 | ValidateDataParametersException; |
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270 | 43205 | fdiaz | |
271 | 43045 | jjdelcerro | /**
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272 | 43020 | jjdelcerro | * Returns a list of String containing the names of the available
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273 | * DataServerExplorer providers.
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274 | *
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275 | * @return list of String containing the names of the available
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276 | * DataServerExplorer providers.
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277 | */
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278 | public List<String> getExplorerProviders(); |
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279 | 40435 | jjdelcerro | |
280 | 43020 | jjdelcerro | /*
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281 | * ====================================================================
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282 | *
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283 | * Expression evaluation related services
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284 | */
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285 | /**
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286 | * Registers the default expression evaluator. It is used by DAL to evaluate
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287 | * and resolve query filters and expressions.
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288 | *
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289 | 43521 | jjdelcerro | * @param evaluatorFactory
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290 | 43020 | jjdelcerro | */
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291 | 43521 | jjdelcerro | public void registerDefaultEvaluator(EvaluatorFactory evaluatorFactory); |
292 | 40435 | jjdelcerro | |
293 | 43020 | jjdelcerro | /**
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294 | * Creates an instance of Evaluator that represents the given expression.
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295 | *
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296 | * @param expression String containing a CQL expression.
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297 | * @return instance of Evaluator representing the given expression.
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298 | * @throws InitializeException
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299 | */
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300 | public Evaluator createExpresion(String expression) |
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301 | throws InitializeException;
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302 | 43205 | fdiaz | |
303 | 43983 | jjdelcerro | public EvaluatorFactory createEvaluatorFactory();
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304 | |||
305 | 43020 | jjdelcerro | /*
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306 | * ====================================================================
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307 | *
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308 | * Index related services
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309 | */
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310 | /**
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311 | * Returns a list of String containing the names of the available index
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312 | * providers.
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313 | *
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314 | * @return list of strings with the names of the available index providers
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315 | */
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316 | public List<String> getFeatureIndexProviders(); |
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317 | 40435 | jjdelcerro | |
318 | 43020 | jjdelcerro | /**
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319 | * Sets the default DataIndexProvider for the given data type.
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320 | *
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321 | * @param dataType one of the data types defined in {@link DataTypes}.
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322 | * @param name Provider's name
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323 | */
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324 | 40435 | jjdelcerro | public void setDefaultFeatureIndexProviderName(int dataType, String name); |
325 | |||
326 | 43020 | jjdelcerro | /**
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327 | * Returns the default DataIndexProvider name, given a data type. Data types
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328 | * are defined in {@link DataTypes}.
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329 | *
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330 | * @param dataType one of the constants in {@link DataTypes}.
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331 | *
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332 | * @return the name of the default {@link FeatureIndexProvider} if there is
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333 | * anyone available for the given data type.
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334 | */
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335 | 40435 | jjdelcerro | public String getDefaultFeatureIndexProviderName(int dataType); |
336 | |||
337 | /**
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338 | 43020 | jjdelcerro | * Utility method to create the {@link DataStoreParameters} to create a
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339 | * {@link FeatureStore} based on the {@link MemoryStoreProvider}.
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340 | *
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341 | * @param autoOrderAttributeName the name of the {@link Feature} attribute
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342 | * to be used to order the store {@link Feature}s by default. Set to null if
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343 | * you don't want any order by default
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344 | * @return the parameters for the memory based store
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345 | * @throws InitializeException if there is an error initializing the
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346 | * parameters for the memory provider
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347 | */
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348 | public DataStoreParameters createMemoryStoreParameters(
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349 | String autoOrderAttributeName) throws InitializeException; |
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350 | 40435 | jjdelcerro | |
351 | 43020 | jjdelcerro | /**
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352 | * Utility method to create the a {@link FeatureStore} based on the
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353 | * {@link MemoryStoreProvider}.
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354 | *
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355 | * @param autoOrderAttributeName the name of the {@link Feature} attribute
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356 | * to be used to order the store {@link Feature}s by default. Set to null if
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357 | * you don't want any order by default
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358 | * @return the the memory based store
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359 | * @throws InitializeException if there is an error initializing the
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360 | * parameters for the memory provider
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361 | */
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362 | public FeatureStore createMemoryStore(String autoOrderAttributeName) |
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363 | throws InitializeException;
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364 | 40435 | jjdelcerro | |
365 | /**
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366 | * Creates a {@link FeaturePagingHelper} to paginate data from a
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367 | * {@link FeatureStore}.
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368 | 43020 | jjdelcerro | *
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369 | * @param featureStore to get the {@link Feature}s from
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370 | * @param pageSize the page size
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371 | 40435 | jjdelcerro | * @return a {@link FeaturePagingHelper}
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372 | 43020 | jjdelcerro | * @throws BaseException if there is an error creating the helper
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373 | 40435 | jjdelcerro | */
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374 | 43020 | jjdelcerro | public FeaturePagingHelper createFeaturePagingHelper(
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375 | FeatureStore featureStore, int pageSize) throws BaseException; |
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376 | 40435 | jjdelcerro | |
377 | 43020 | jjdelcerro | /**
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378 | 40435 | jjdelcerro | * Creates a {@link FeaturePagingHelper} to paginate data from a
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379 | * {@link FeatureStore}.
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380 | 43020 | jjdelcerro | *
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381 | * @param featureStore to get the {@link Feature}s from
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382 | * @param featureQuery to filter and/or order the data
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383 | * @param pageSize the page size
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384 | 40435 | jjdelcerro | * @return a {@link FeaturePagingHelper}
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385 | 43020 | jjdelcerro | * @throws BaseException if there is an error creating the helper
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386 | 40435 | jjdelcerro | */
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387 | 43020 | jjdelcerro | public FeaturePagingHelper createFeaturePagingHelper(
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388 | FeatureStore featureStore, FeatureQuery featureQuery, int pageSize)
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389 | throws BaseException;
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390 | 40435 | jjdelcerro | |
391 | 43020 | jjdelcerro | public void setOpenErrorHandler(OpenErrorHandler handler); |
392 | 42775 | jjdelcerro | |
393 | 43020 | jjdelcerro | public OpenErrorHandler getOpenErrorHandler();
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394 | |||
395 | public DataStoreProviderFactory getStoreProviderFactory(String name); |
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396 | |||
397 | public EditableFeatureType createFeatureType();
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398 | |||
399 | public DataServerExplorerPool getDataServerExplorerPool();
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400 | |||
401 | public void setDataServerExplorerPool(DataServerExplorerPool pool); |
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402 | |||
403 | public void setResourcesLoader(ClassLoader loader); |
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404 | |||
405 | public void setResourcesLoader(File folder); |
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406 | |||
407 | /**
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408 | * Return a list of the DataTypes supported for the type of the feature
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409 | * attributes. The list is only informative.
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410 | *
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411 | * @return
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412 | */
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413 | public List<DataType> getDataTypes(); |
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414 | |||
415 | public Register getStoreRegister();
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416 | |||
417 | public Register getStoreProviderRegister();
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418 | |||
419 | public Register getServerExplorerRegister();
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420 | |||
421 | public Register getFeatureIndexRegister();
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422 | 43040 | jjdelcerro | |
423 | /**
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424 | * Creates a default ExpressionBuilder.
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425 | 43205 | fdiaz | *
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426 | * This ExpressionBuilder is not dependent on a data source,
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427 | 43040 | jjdelcerro | * and is not advisable to use it.
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428 | 43205 | fdiaz | *
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429 | 43040 | jjdelcerro | * @return the ExpressionBuilder
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430 | */
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431 | public ExpressionBuilder createExpressionBuilder();
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432 | 43205 | fdiaz | |
433 | 43056 | jjdelcerro | /**
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434 | * Returns a list of String containing the names of the available cache providers.
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435 | *
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436 | * @return
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437 | * list of strings with the names of the available cache providers
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438 | 43205 | fdiaz | */
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439 | 43056 | jjdelcerro | public List getFeatureCacheProviders(); |
440 | |||
441 | /**
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442 | * Returns an instance of {@link DataServerExplorerParameters} corresponding
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443 | * to the given name used by the cache to create a store to save the
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444 | * retrieved data.
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445 | 43205 | fdiaz | *
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446 | 43056 | jjdelcerro | * @param name
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447 | * name of a registered feature cache provider
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448 | 43212 | jjdelcerro | * @return
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449 | 43205 | fdiaz | *
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450 | 43056 | jjdelcerro | * @throws InitializeException
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451 | * if parameter initialization causes an error.
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452 | 43205 | fdiaz | *
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453 | 43056 | jjdelcerro | * @throws ProviderNotRegisteredException
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454 | * if could not find a cache provider by the given name.
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455 | 43205 | fdiaz | *
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456 | 43056 | jjdelcerro | */
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457 | public DynObject createCacheParameters(String name) |
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458 | throws InitializeException, ProviderNotRegisteredException;
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459 | 43205 | fdiaz | |
460 | /**
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461 | * @param providerName
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462 | * @param params
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463 | * @param overwrite
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464 | * @throws DataException
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465 | */
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466 | 43212 | jjdelcerro | public void createFileStore(String providerName, NewDataStoreParameters params, boolean overwrite) throws DataException; |
467 | 43205 | fdiaz | |
468 | 43983 | jjdelcerro | public FeatureSymbolTable createFeatureSymbolTable();
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469 | 40596 | jjdelcerro | } |