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 @ 44058
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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 | 43984 | jjdelcerro | import org.gvsig.expressionevaluator.Expression; |
28 | 44042 | jjdelcerro | import org.gvsig.expressionevaluator.ExpressionBuilder; |
29 | 40435 | jjdelcerro | |
30 | 43205 | fdiaz | import org.gvsig.fmap.dal.exception.DataException; |
31 | 40435 | jjdelcerro | import org.gvsig.fmap.dal.exception.InitializeException; |
32 | import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException; |
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33 | import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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34 | 43983 | jjdelcerro | import org.gvsig.fmap.dal.expressionevaluator.FeatureSymbolTable; |
35 | 40435 | jjdelcerro | import org.gvsig.fmap.dal.feature.EditableFeatureType; |
36 | import org.gvsig.fmap.dal.feature.Feature; |
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37 | import org.gvsig.fmap.dal.feature.FeatureIndex; |
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38 | import org.gvsig.fmap.dal.feature.FeatureQuery; |
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39 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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40 | 43989 | jjdelcerro | import org.gvsig.fmap.dal.feature.FeatureType; |
41 | 40435 | jjdelcerro | import org.gvsig.fmap.dal.feature.paging.FeaturePagingHelper; |
42 | 42775 | jjdelcerro | import org.gvsig.fmap.dal.resource.ResourceManager; |
43 | 43020 | jjdelcerro | import org.gvsig.tools.dataTypes.DataType; |
44 | 40435 | jjdelcerro | import org.gvsig.tools.dynobject.DynObject; |
45 | 42775 | jjdelcerro | import org.gvsig.tools.dynobject.DynStruct; |
46 | 42778 | jjdelcerro | import org.gvsig.tools.dynobject.Tags; |
47 | 40435 | jjdelcerro | import org.gvsig.tools.evaluator.Evaluator; |
48 | import org.gvsig.tools.exception.BaseException; |
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49 | 43020 | jjdelcerro | import org.gvsig.tools.service.spi.Services; |
50 | 43989 | jjdelcerro | import org.gvsig.fmap.dal.expressionevaluator.FeatureAttributeEmulatorExpression; |
51 | 40435 | jjdelcerro | |
52 | /**
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53 | 43020 | jjdelcerro | * There are two top level management roles within DAL: data access and resource
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54 | * management.
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55 | 40435 | jjdelcerro | *
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56 | 43020 | jjdelcerro | * This class is responsible of the data access management role. It provides
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57 | * ways for registering and instantiating {@link DataServerExplorer}(s),
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58 | * {@link DataStore}(s), {@link Evaluator}(s) and {@link FeatureIndex}(es).
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59 | 40435 | jjdelcerro | *
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60 | * @see ResourceManager
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61 | *
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62 | */
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63 | 43020 | jjdelcerro | public interface DataManager extends Services { |
64 | 40435 | jjdelcerro | |
65 | 43020 | jjdelcerro | public static final String CREATE_STORE_AUTHORIZATION = "dal-create-store"; |
66 | public static final String READ_STORE_AUTHORIZATION = "dal-read-store"; |
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67 | public static final String WRITE_STORE_AUTHORIZATION = "dal-write-store"; |
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68 | 40435 | jjdelcerro | |
69 | 43987 | jjdelcerro | public static final String FEATURE_SYMBOL_TABLE = "DAL.FeatureSymbolTable"; |
70 | 43020 | jjdelcerro | /**
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71 | * Returns the default DAL's temporary directory
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72 | *
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73 | * @return Temporary directory name
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74 | 43241 | jjdelcerro | * @deprecated use FoldersManager of org.gvsig.tools
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75 | 43020 | jjdelcerro | */
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76 | public String getTemporaryDirectory(); |
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77 | 40435 | jjdelcerro | |
78 | 43020 | jjdelcerro | /*
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79 | * ====================================================================
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80 | *
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81 | * Store related services
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82 | */
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83 | /**
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84 | * Creates, initializes and returns an instance of DataStoreParameters given
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85 | * the name with which their provider is registered.
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86 | *
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87 | * @param name provider name
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88 | * @return the data store parameters
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89 | *
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90 | * @throws ProviderNotRegisteredException if the memory provider is not
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91 | * registered
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92 | * @throws InitializeException if there is an error initializing the
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93 | * parameters for the memory provider
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94 | *
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95 | */
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96 | public DataStoreParameters createStoreParameters(String name) |
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97 | throws InitializeException, ProviderNotRegisteredException;
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98 | 40435 | jjdelcerro | |
99 | 43020 | jjdelcerro | /**
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100 | * Creates, initializes and fill an instance of DataStoreParameters from the
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101 | * tags of the DynStruct passed as parameter.
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102 | *
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103 | * @param struct structure from which tags were created ths parameters.
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104 | * @return the data store parameters
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105 | *
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106 | * @throws ProviderNotRegisteredException if the memory provider is not
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107 | * registered
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108 | * @throws InitializeException if there is an error initializing the
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109 | * parameters for the memory provider
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110 | *
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111 | */
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112 | public DataStoreParameters createStoreParameters(DynStruct struct)
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113 | throws InitializeException, ProviderNotRegisteredException;
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114 | 40435 | jjdelcerro | |
115 | 43020 | jjdelcerro | public DataStoreParameters createStoreParameters(Tags tags) throws InitializeException, ProviderNotRegisteredException; |
116 | 42778 | jjdelcerro | |
117 | 43020 | jjdelcerro | /**
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118 | * Creates, initializes and returns an instance of NewDataStoreParameters
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119 | * given the name with which their provider is registered.
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120 | *
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121 | * @param explorer
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122 | * @param provider
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123 | * @return
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124 | *
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125 | * @throws InitializeException
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126 | * @throws ProviderNotRegisteredException
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127 | */
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128 | public NewDataStoreParameters createNewStoreParameters(String explorer, String provider) |
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129 | throws InitializeException, ProviderNotRegisteredException;
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130 | 40435 | jjdelcerro | |
131 | 43020 | jjdelcerro | /**
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132 | *
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133 | * Creates, initializes and returns an instance of DataStore given the
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134 | * DataStoreParameters.
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135 | *
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136 | * @param provider
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137 | * @param parameters parameters used to instantiate and initialize the
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138 | * DataStore
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139 | * @return
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140 | *
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141 | * @throws ProviderNotRegisteredException if the memory provider is not
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142 | * registered
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143 | * @throws InitializeException if there is an error initializing the
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144 | * parameters for the memory provider
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145 | * @throws ValidateDataParametersException if the parameters to open the
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146 | * memory based store are not valid
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147 | */
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148 | public DataStore openStore(String provider, DynObject parameters) |
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149 | throws InitializeException, ProviderNotRegisteredException,
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150 | ValidateDataParametersException; |
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151 | 40435 | jjdelcerro | |
152 | 43020 | jjdelcerro | public DataStore openStore(String provider, DataStoreParameters parameters) |
153 | throws InitializeException, ProviderNotRegisteredException,
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154 | ValidateDataParametersException; |
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155 | 42775 | jjdelcerro | |
156 | 43093 | jjdelcerro | public DataStore openStore(
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157 | 43205 | fdiaz | String providerName,
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158 | Object... arguments)
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159 | throws
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160 | InitializeException, |
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161 | ProviderNotRegisteredException, |
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162 | ValidateDataParametersException; |
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163 | |||
164 | 43020 | jjdelcerro | public DataStore openStore(DynStruct struct)
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165 | throws InitializeException, ProviderNotRegisteredException, ValidateDataParametersException;
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166 | 42775 | jjdelcerro | |
167 | 43020 | jjdelcerro | /**
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168 | * Create a new physical store
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169 | *
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170 | * @param explorer
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171 | * @param provider
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172 | * @param parameters
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173 | * @param overwrite
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174 | *
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175 | * @throws InitializeException
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176 | * @throws ProviderNotRegisteredException
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177 | * @throws ValidateDataParametersException
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178 | */
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179 | public void newStore(String explorer, String provider, NewDataStoreParameters parameters, boolean overwrite) |
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180 | throws InitializeException, ProviderNotRegisteredException,
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181 | ValidateDataParametersException; |
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182 | 40435 | jjdelcerro | |
183 | 43020 | jjdelcerro | /**
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184 | * Returns a list of Strings containing the names of all available DataStore
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185 | * providers.
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186 | *
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187 | * @return list of String containing available DataStore provider names
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188 | */
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189 | public List getStoreProviders(); |
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190 | 42624 | jjdelcerro | |
191 | 43020 | jjdelcerro | /**
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192 | * Returns a list of Strings containing the names of all available DataStore
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193 | * providers for an explorer.
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194 | *
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195 | * @param name
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196 | * @return
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197 | */
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198 | public List<String> getStoreProviders(String name); |
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199 | 42624 | jjdelcerro | |
200 | 43020 | jjdelcerro | /*
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201 | * ====================================================================
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202 | *
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203 | * Explorer related services
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204 | */
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205 | /**
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206 | * Returns an instance of {@link DataServerExplorerParameters} corresponding
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207 | * to the given name.
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208 | *
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209 | * @param name name of a registered server explorer provider
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210 | * @return
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211 | *
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212 | * @throws InitializeException if parameter initialization causes an error.
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213 | *
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214 | * @throws ProviderNotRegisteredException if could not find a provider by
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215 | * the given name.
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216 | *
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217 | *
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218 | */
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219 | public DataServerExplorerParameters createServerExplorerParameters(
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220 | String name)
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221 | throws InitializeException, ProviderNotRegisteredException;
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222 | 40435 | jjdelcerro | |
223 | 43020 | jjdelcerro | /**
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224 | * Returns an instance of {@link DataServerExplorer} given its parameters.
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225 | *
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226 | * @param name
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227 | * @param parameters parameters used to instantiate and initialize the
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228 | * {@link DataServerExplorer}.
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229 | *
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230 | * @return an instance of {@link DataServerExplorer}.
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231 | *
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232 | * @throws InitializeException
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233 | *
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234 | * @throws ProviderNotRegisteredException
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235 | * @throws ValidateDataParametersException
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236 | */
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237 | public DataServerExplorer openServerExplorer(
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238 | String name,
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239 | DataServerExplorerParameters parameters) |
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240 | throws InitializeException, ProviderNotRegisteredException,
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241 | ValidateDataParametersException; |
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242 | 43205 | fdiaz | |
243 | 43093 | jjdelcerro | public DataServerExplorer openServerExplorer(
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244 | 43205 | fdiaz | String explorerName,
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245 | 43093 | jjdelcerro | Object... arguments)
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246 | 43205 | fdiaz | throws
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247 | InitializeException, |
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248 | ProviderNotRegisteredException, |
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249 | 43093 | jjdelcerro | ValidateDataParametersException; |
250 | 43020 | jjdelcerro | /**
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251 | 43045 | jjdelcerro | * @param parameters
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252 | 43205 | fdiaz | * @return
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253 | * @throws org.gvsig.fmap.dal.exception.InitializeException
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254 | * @throws org.gvsig.fmap.dal.exception.ProviderNotRegisteredException
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255 | * @throws org.gvsig.fmap.dal.exception.ValidateDataParametersException
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256 | 43020 | jjdelcerro | * @deprecated see openServerExplorer
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257 | */
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258 | public DataServerExplorer createServerExplorer(
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259 | DataServerExplorerParameters parameters) |
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260 | throws InitializeException, ProviderNotRegisteredException,
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261 | ValidateDataParametersException; |
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262 | 43205 | fdiaz | |
263 | 43020 | jjdelcerro | /**
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264 | 43045 | jjdelcerro | * @param parameters
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265 | 43205 | fdiaz | * @return
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266 | * @throws org.gvsig.fmap.dal.exception.InitializeException
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267 | * @throws org.gvsig.fmap.dal.exception.ProviderNotRegisteredException
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268 | * @throws org.gvsig.fmap.dal.exception.ValidateDataParametersException
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269 | 43045 | jjdelcerro | * @deprecated see openStore
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270 | */
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271 | public DataStore createStore(DataStoreParameters parameters)
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272 | throws InitializeException, ProviderNotRegisteredException,
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273 | ValidateDataParametersException; |
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274 | 43205 | fdiaz | |
275 | 43045 | jjdelcerro | /**
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276 | 43020 | jjdelcerro | * Returns a list of String containing the names of the available
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277 | * DataServerExplorer providers.
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278 | *
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279 | * @return list of String containing the names of the available
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280 | * DataServerExplorer providers.
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281 | */
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282 | public List<String> getExplorerProviders(); |
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283 | 40435 | jjdelcerro | |
284 | 44023 | jjdelcerro | /**
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285 | * Creates an instance of Evaluator that represents the given expression.
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286 | 43020 | jjdelcerro | *
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287 | 44023 | jjdelcerro | * @param expression String containing a CQL expression.
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288 | * @return instance of Evaluator representing the given expression.
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289 | * @throws InitializeException
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290 | * @deprecated use createFilter
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291 | 43020 | jjdelcerro | */
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292 | 44023 | jjdelcerro | public Evaluator createExpresion(String expression) |
293 | throws InitializeException;
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294 | |||
295 | 43020 | jjdelcerro | /**
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296 | 44023 | jjdelcerro | * Creates an instance of Evaluator that represents the given expression.
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297 | 43020 | jjdelcerro | *
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298 | 44023 | jjdelcerro | * @param expression a Expression with the filter
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299 | * @return instance of Evaluator representing the given expression.
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300 | * @throws InitializeException
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301 | * @deprecated use createFilter
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302 | 43020 | jjdelcerro | */
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303 | 44023 | jjdelcerro | public Evaluator createExpresion(Expression expression) |
304 | throws InitializeException;
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305 | 40435 | jjdelcerro | |
306 | 43020 | jjdelcerro | /**
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307 | * Creates an instance of Evaluator that represents the given expression.
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308 | *
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309 | * @param expression String containing a CQL expression.
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310 | * @return instance of Evaluator representing the given expression.
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311 | * @throws InitializeException
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312 | */
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313 | 44023 | jjdelcerro | public Evaluator createFilter(String expression) |
314 | 43020 | jjdelcerro | throws InitializeException;
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315 | 43205 | fdiaz | |
316 | 44023 | jjdelcerro | /**
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317 | * Creates an instance of Evaluator that represents the given expression.
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318 | *
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319 | * @param expression a Expression with the filter
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320 | * @return instance of Evaluator representing the given expression.
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321 | * @throws InitializeException
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322 | */
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323 | public Evaluator createFilter(Expression expression) |
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324 | 43984 | jjdelcerro | throws InitializeException;
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325 | |||
326 | 43020 | jjdelcerro | /*
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327 | * ====================================================================
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328 | *
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329 | * Index related services
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330 | */
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331 | /**
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332 | * Returns a list of String containing the names of the available index
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333 | * providers.
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334 | *
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335 | * @return list of strings with the names of the available index providers
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336 | */
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337 | public List<String> getFeatureIndexProviders(); |
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338 | 40435 | jjdelcerro | |
339 | 43020 | jjdelcerro | /**
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340 | * Sets the default DataIndexProvider for the given data type.
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341 | *
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342 | * @param dataType one of the data types defined in {@link DataTypes}.
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343 | * @param name Provider's name
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344 | */
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345 | 40435 | jjdelcerro | public void setDefaultFeatureIndexProviderName(int dataType, String name); |
346 | |||
347 | 43020 | jjdelcerro | /**
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348 | * Returns the default DataIndexProvider name, given a data type. Data types
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349 | * are defined in {@link DataTypes}.
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350 | *
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351 | * @param dataType one of the constants in {@link DataTypes}.
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352 | *
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353 | * @return the name of the default {@link FeatureIndexProvider} if there is
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354 | * anyone available for the given data type.
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355 | */
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356 | 40435 | jjdelcerro | public String getDefaultFeatureIndexProviderName(int dataType); |
357 | |||
358 | /**
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359 | 43020 | jjdelcerro | * Utility method to create the {@link DataStoreParameters} to create a
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360 | * {@link FeatureStore} based on the {@link MemoryStoreProvider}.
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361 | *
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362 | * @param autoOrderAttributeName the name of the {@link Feature} attribute
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363 | * to be used to order the store {@link Feature}s by default. Set to null if
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364 | * you don't want any order by default
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365 | * @return the parameters for the memory based store
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366 | * @throws InitializeException if there is an error initializing the
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367 | * parameters for the memory provider
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368 | */
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369 | public DataStoreParameters createMemoryStoreParameters(
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370 | String autoOrderAttributeName) throws InitializeException; |
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371 | 40435 | jjdelcerro | |
372 | 43020 | jjdelcerro | /**
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373 | * Utility method to create the a {@link FeatureStore} based on the
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374 | * {@link MemoryStoreProvider}.
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375 | *
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376 | * @param autoOrderAttributeName the name of the {@link Feature} attribute
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377 | * to be used to order the store {@link Feature}s by default. Set to null if
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378 | * you don't want any order by default
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379 | * @return the the memory based store
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380 | * @throws InitializeException if there is an error initializing the
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381 | * parameters for the memory provider
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382 | */
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383 | public FeatureStore createMemoryStore(String autoOrderAttributeName) |
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384 | throws InitializeException;
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385 | 40435 | jjdelcerro | |
386 | /**
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387 | * Creates a {@link FeaturePagingHelper} to paginate data from a
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388 | * {@link FeatureStore}.
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389 | 43020 | jjdelcerro | *
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390 | * @param featureStore to get the {@link Feature}s from
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391 | * @param pageSize the page size
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392 | 40435 | jjdelcerro | * @return a {@link FeaturePagingHelper}
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393 | 43020 | jjdelcerro | * @throws BaseException if there is an error creating the helper
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394 | 40435 | jjdelcerro | */
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395 | 43020 | jjdelcerro | public FeaturePagingHelper createFeaturePagingHelper(
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396 | FeatureStore featureStore, int pageSize) throws BaseException; |
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397 | 40435 | jjdelcerro | |
398 | 43020 | jjdelcerro | /**
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399 | 40435 | jjdelcerro | * Creates a {@link FeaturePagingHelper} to paginate data from a
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400 | * {@link FeatureStore}.
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401 | 43020 | jjdelcerro | *
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402 | * @param featureStore to get the {@link Feature}s from
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403 | * @param featureQuery to filter and/or order the data
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404 | * @param pageSize the page size
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405 | 40435 | jjdelcerro | * @return a {@link FeaturePagingHelper}
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406 | 43020 | jjdelcerro | * @throws BaseException if there is an error creating the helper
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407 | 40435 | jjdelcerro | */
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408 | 43020 | jjdelcerro | public FeaturePagingHelper createFeaturePagingHelper(
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409 | FeatureStore featureStore, FeatureQuery featureQuery, int pageSize)
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410 | throws BaseException;
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411 | 40435 | jjdelcerro | |
412 | 43020 | jjdelcerro | public void setOpenErrorHandler(OpenErrorHandler handler); |
413 | 42775 | jjdelcerro | |
414 | 43020 | jjdelcerro | public OpenErrorHandler getOpenErrorHandler();
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415 | |||
416 | public DataStoreProviderFactory getStoreProviderFactory(String name); |
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417 | |||
418 | public EditableFeatureType createFeatureType();
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419 | |||
420 | public DataServerExplorerPool getDataServerExplorerPool();
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421 | |||
422 | public void setDataServerExplorerPool(DataServerExplorerPool pool); |
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423 | |||
424 | public void setResourcesLoader(ClassLoader loader); |
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425 | |||
426 | public void setResourcesLoader(File folder); |
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427 | |||
428 | /**
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429 | * Return a list of the DataTypes supported for the type of the feature
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430 | * attributes. The list is only informative.
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431 | *
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432 | * @return
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433 | */
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434 | public List<DataType> getDataTypes(); |
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435 | |||
436 | public Register getStoreRegister();
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437 | |||
438 | public Register getStoreProviderRegister();
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439 | |||
440 | public Register getServerExplorerRegister();
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441 | |||
442 | public Register getFeatureIndexRegister();
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443 | 43040 | jjdelcerro | |
444 | /**
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445 | * Creates a default ExpressionBuilder.
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446 | 43205 | fdiaz | *
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447 | * This ExpressionBuilder is not dependent on a data source,
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448 | 43040 | jjdelcerro | * and is not advisable to use it.
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449 | 43205 | fdiaz | *
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450 | 43040 | jjdelcerro | * @return the ExpressionBuilder
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451 | 44023 | jjdelcerro | * @deprecated use ExpressionEvaluatorManager.createExpressionBuilder()
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452 | 43040 | jjdelcerro | */
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453 | public ExpressionBuilder createExpressionBuilder();
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454 | 43205 | fdiaz | |
455 | 43056 | jjdelcerro | /**
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456 | * Returns a list of String containing the names of the available cache providers.
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457 | *
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458 | * @return
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459 | * list of strings with the names of the available cache providers
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460 | 43205 | fdiaz | */
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461 | 43056 | jjdelcerro | public List getFeatureCacheProviders(); |
462 | |||
463 | /**
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464 | * Returns an instance of {@link DataServerExplorerParameters} corresponding
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465 | * to the given name used by the cache to create a store to save the
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466 | * retrieved data.
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467 | 43205 | fdiaz | *
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468 | 43056 | jjdelcerro | * @param name
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469 | * name of a registered feature cache provider
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470 | 43212 | jjdelcerro | * @return
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471 | 43205 | fdiaz | *
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472 | 43056 | jjdelcerro | * @throws InitializeException
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473 | * if parameter initialization causes an error.
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474 | 43205 | fdiaz | *
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475 | 43056 | jjdelcerro | * @throws ProviderNotRegisteredException
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476 | * if could not find a cache provider by the given name.
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477 | 43205 | fdiaz | *
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478 | 43056 | jjdelcerro | */
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479 | public DynObject createCacheParameters(String name) |
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480 | throws InitializeException, ProviderNotRegisteredException;
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481 | 43205 | fdiaz | |
482 | /**
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483 | * @param providerName
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484 | * @param params
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485 | * @param overwrite
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486 | * @throws DataException
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487 | */
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488 | 43212 | jjdelcerro | public void createFileStore(String providerName, NewDataStoreParameters params, boolean overwrite) throws DataException; |
489 | 43205 | fdiaz | |
490 | 43983 | jjdelcerro | public FeatureSymbolTable createFeatureSymbolTable();
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491 | 43989 | jjdelcerro | |
492 | public FeatureAttributeEmulatorExpression createFeatureAttributeEmulatorExpression(FeatureType type, Expression expression); |
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493 | 40596 | jjdelcerro | } |