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 @ 40559
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 3
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | */
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24 | 40435 | jjdelcerro | /* gvSIG. Geographic Information System of the Valencian Government
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25 | *
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26 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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27 | * of the Valencian Government (CIT)
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28 | *
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29 | * This program is free software; you can redistribute it and/or
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30 | * modify it under the terms of the GNU General Public License
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31 | * as published by the Free Software Foundation; either version 2
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32 | * of the License, or (at your option) any later version.
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33 | *
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34 | * This program is distributed in the hope that it will be useful,
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35 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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36 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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37 | * GNU General Public License for more details.
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38 | *
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39 | * You should have received a copy of the GNU General Public License
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40 | * along with this program; if not, write to the Free Software
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41 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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42 | * MA 02110-1301, USA.
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43 | *
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44 | */
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45 | |||
46 | /*
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47 | * AUTHORS (In addition to CIT):
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48 | * 2009 IVER T.I {{Task}}
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49 | */
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50 | |||
51 | /**
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52 | *
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53 | */
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54 | package org.gvsig.fmap.dal.store.jdbc; |
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55 | |||
56 | import java.security.InvalidParameterException; |
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57 | import java.sql.Connection; |
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58 | import java.sql.PreparedStatement; |
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59 | import java.sql.ResultSet; |
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60 | import java.sql.SQLException; |
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61 | import java.sql.Statement; |
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62 | import java.util.ArrayList; |
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63 | import java.util.Collections; |
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64 | import java.util.Iterator; |
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65 | import java.util.List; |
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66 | |||
67 | import org.cresques.cts.IProjection; |
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68 | import org.gvsig.fmap.dal.DALLocator; |
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69 | import org.gvsig.fmap.dal.DataManager; |
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70 | import org.gvsig.fmap.dal.DataServerExplorer; |
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71 | import org.gvsig.fmap.dal.DataStore; |
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72 | import org.gvsig.fmap.dal.DataStoreNotification; |
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73 | import org.gvsig.fmap.dal.DataTypes; |
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74 | import org.gvsig.fmap.dal.exception.CloseException; |
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75 | import org.gvsig.fmap.dal.exception.DataException; |
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76 | import org.gvsig.fmap.dal.exception.InitializeException; |
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77 | import org.gvsig.fmap.dal.exception.OpenException; |
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78 | import org.gvsig.fmap.dal.exception.ReadException; |
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79 | import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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80 | import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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81 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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82 | import org.gvsig.fmap.dal.feature.FeatureQuery; |
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83 | import org.gvsig.fmap.dal.feature.FeatureType; |
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84 | import org.gvsig.fmap.dal.feature.spi.AbstractFeatureStoreProvider; |
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85 | import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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86 | import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
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87 | import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
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88 | import org.gvsig.fmap.dal.resource.ResourceAction; |
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89 | import org.gvsig.fmap.dal.resource.exception.ResourceExecuteException; |
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90 | import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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91 | import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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92 | import org.gvsig.fmap.dal.store.db.DBHelper; |
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93 | import org.gvsig.fmap.dal.store.db.FeatureTypeHelper; |
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94 | import org.gvsig.fmap.dal.store.jdbc.exception.InvalidResultSetIdException; |
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95 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCException; |
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96 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecutePreparedSQLException; |
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97 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
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98 | import org.gvsig.fmap.geom.Geometry; |
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99 | import org.gvsig.fmap.geom.GeometryLocator; |
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100 | import org.gvsig.fmap.geom.GeometryManager; |
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101 | import org.gvsig.fmap.geom.primitive.Envelope; |
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102 | import org.gvsig.tools.dynobject.DynObject; |
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103 | import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
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104 | import org.gvsig.tools.exception.BaseException; |
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105 | import org.slf4j.Logger; |
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106 | import org.slf4j.LoggerFactory; |
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107 | |||
108 | |||
109 | /**
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110 | * @author jmvivo
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111 | *
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112 | */
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113 | public class JDBCStoreProvider extends AbstractFeatureStoreProvider |
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114 | implements JDBCHelperUser {
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115 | |||
116 | final static private Logger logger = LoggerFactory |
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117 | .getLogger(JDBCStoreProvider.class); |
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118 | |||
119 | private List<ResultSetInfo> resulsetList; |
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120 | |||
121 | public static String NAME = "JDBC"; |
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122 | public static String DESCRIPTION = "JDBC source"; |
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123 | |||
124 | public static final String METADATA_DEFINITION_NAME = NAME; |
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125 | |||
126 | private long mlsecondsToZombie = 1000 * 60 * 10; // 10 Min |
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127 | |||
128 | protected JDBCHelper helper;
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129 | |||
130 | protected boolean directSQLMode; |
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131 | |||
132 | private Long totalCount = null; |
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133 | private GeometryManager geomManager = null; |
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134 | |||
135 | public JDBCStoreProvider(JDBCStoreParameters params,
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136 | DataStoreProviderServices storeServices) throws InitializeException {
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137 | this(
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138 | params, |
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139 | storeServices, |
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140 | DBHelper.newMetadataContainer(METADATA_DEFINITION_NAME) |
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141 | ); |
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142 | } |
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143 | |||
144 | protected JDBCStoreProvider(JDBCStoreParameters params,
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145 | DataStoreProviderServices storeServices, DynObject metadata) |
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146 | throws InitializeException {
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147 | super(params, storeServices, metadata);
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148 | geomManager = GeometryLocator.getGeometryManager(); |
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149 | |||
150 | resulsetList = new ArrayList<ResultSetInfo>(10); |
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151 | |||
152 | helper = createHelper(); |
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153 | if (params.getSQL() != null && (params.getSQL()).trim().length() > 0) { |
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154 | directSQLMode = true;
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155 | } |
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156 | |||
157 | this.initFeatureType();
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158 | } |
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159 | |||
160 | public Object getDynValue(String name) throws DynFieldNotFoundException { |
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161 | try {
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162 | if( DataStore.METADATA_ENVELOPE.equalsIgnoreCase(name) ) {
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163 | Envelope env = this.getEnvelope();
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164 | if( env != null ) { |
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165 | return env;
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166 | } |
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167 | } else if( DataStore.METADATA_CRS.equalsIgnoreCase(name) ) { |
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168 | IProjection proj; |
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169 | proj = this.getFeatureStore().getDefaultFeatureType().getDefaultSRS();
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170 | if( proj != null ) { |
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171 | return proj;
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172 | } |
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173 | } |
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174 | } catch (DataException e) {
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175 | throw new RuntimeException(e); |
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176 | } |
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177 | return super.getDynValue(name); |
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178 | } |
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179 | |||
180 | |||
181 | protected JDBCStoreParameters getJDBCParameters() {
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182 | return (JDBCStoreParameters) this.getParameters(); |
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183 | } |
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184 | |||
185 | |||
186 | /**
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187 | * Load data form a resulset.<br>
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188 | *
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189 | * <strong>Note:</strong><br>
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190 | * this method have to perform <code>resouceBegin</code> at the begining and
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191 | * <code>resourceEnd</code> at the end of execution.
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192 | *
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193 | *
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194 | * @param data
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195 | * @param resulsetID
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196 | *
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197 | * @return
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198 | * @throws DataException
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199 | */
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200 | public void loadFeatureProvider(final FeatureProvider data, final int resultsetID) |
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201 | throws DataException {
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202 | getResource().execute(new ResourceAction() {
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203 | public Object run() throws Exception { |
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204 | ResultSet rs = getResultSet(resultsetID);
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205 | FeatureAttributeDescriptor attr; |
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206 | Iterator<FeatureAttributeDescriptor> iter = FeatureTypeHelper.iterator(data.getType());
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207 | while (iter.hasNext()) {
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208 | attr = iter.next(); |
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209 | loadFeatureProviderValue(data, rs, attr); |
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210 | } |
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211 | return null; |
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212 | } |
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213 | }); |
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214 | } |
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215 | |||
216 | protected void loadFeatureProviderValue(FeatureProvider data, ResultSet rs, |
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217 | FeatureAttributeDescriptor attr) throws DataException {
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218 | if (attr.getType() == DataTypes.GEOMETRY) {
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219 | byte[] buffer; |
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220 | try {
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221 | buffer = rs.getBytes(attr.getIndex() + 1);
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222 | if (buffer == null) { |
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223 | data.set(attr.getIndex(), null);
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224 | } else {
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225 | data.set(attr.getIndex(), this.helper.getGeometry(buffer));
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226 | } |
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227 | } catch (SQLException e) { |
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228 | throw new JDBCSQLException(e); |
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229 | } catch (BaseException e) {
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230 | throw new ReadException(getProviderName(), e); |
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231 | } |
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232 | |||
233 | } else {
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234 | try {
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235 | data.set(attr.getIndex(), rs.getObject(attr.getIndex() + 1));
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236 | } catch (SQLException e) { |
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237 | throw new JDBCSQLException(e); |
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238 | } |
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239 | } |
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240 | } |
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241 | |||
242 | public long getTimeToResulSetZombie() { |
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243 | return mlsecondsToZombie;
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244 | } |
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245 | |||
246 | public void setTimeToResulSetZombie(long mlSeconds) { |
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247 | mlsecondsToZombie = mlSeconds; |
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248 | } |
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249 | |||
250 | private class ResultSetInfo{ |
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251 | private ResultSet resultSet = null; |
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252 | private long lastUse = 0; |
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253 | |||
254 | public ResultSetInfo(ResultSet resulSet) { |
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255 | this.resultSet = resulSet;
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256 | used(); |
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257 | } |
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258 | |||
259 | private void used() { |
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260 | lastUse = System.currentTimeMillis();
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261 | } |
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262 | |||
263 | |||
264 | public ResultSet get() { |
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265 | used(); |
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266 | return resultSet;
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267 | } |
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268 | |||
269 | public boolean isZombie() { |
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270 | return System.currentTimeMillis() - lastUse > mlsecondsToZombie; |
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271 | } |
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272 | } |
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273 | |||
274 | public final int createResultSet(String sql, int fetchSize) |
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275 | throws DataException {
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276 | return createResultSet(sql, null, fetchSize); |
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277 | } |
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278 | |||
279 | public final int createResultSet(final String sql, final Object[] values, |
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280 | final int fetchSize) |
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281 | throws DataException {
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282 | logger.debug("Creating resultSet with sql: {}", sql);
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283 | synchronized (this) { |
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284 | checksResulsets(); |
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285 | return ((Integer) getResource().execute(new ResourceAction() { |
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286 | public Object run() throws Exception { |
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287 | ResultSetInfo newRs = |
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288 | new ResultSetInfo(createNewResultSet(sql, values,
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289 | fetchSize)); |
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290 | int newId = getNewId();
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291 | if (newId < 0) { |
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292 | newId = resulsetList.size(); |
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293 | resulsetList.add(newRs); |
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294 | } else {
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295 | resulsetList.set(newId, newRs); |
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296 | } |
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297 | logger.debug("Created resultset id: {} (total open: {})",
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298 | newId, getResultsetOpenCount()); |
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299 | |||
300 | return Integer.valueOf(newId); |
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301 | } |
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302 | })).intValue(); |
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303 | } |
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304 | } |
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305 | |||
306 | private int getNewId() { |
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307 | int newId;
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308 | if (resulsetList.size() < 1) { |
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309 | return -1; |
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310 | } |
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311 | for (newId = 0; newId < resulsetList.size(); newId++) { |
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312 | if (resulsetList.get(newId) == null) { |
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313 | return newId;
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314 | } |
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315 | } |
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316 | return -1; |
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317 | } |
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318 | |||
319 | protected final void forceCloseAllResultSet() |
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320 | throws ResourceExecuteException,
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321 | JDBCException { |
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322 | synchronized (this) { |
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323 | // FIXME: Esto no deberia funcionar.
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324 | Iterator iter = resulsetList.iterator();
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325 | Integer rsID = null; |
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326 | while (iter.hasNext()) {
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327 | rsID = (Integer) iter.next();
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328 | if (rsID != null) { |
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329 | try {
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330 | forceCloseResultSet(rsID.intValue()); |
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331 | } catch (InvalidResultSetIdException e) {
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332 | continue;
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333 | } |
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334 | } |
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335 | iter.remove(); |
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336 | } |
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337 | |||
338 | } |
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339 | } |
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340 | |||
341 | protected final void forceCloseResultSet(int rsID) |
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342 | throws ResourceExecuteException, JDBCException,
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343 | InvalidResultSetIdException { |
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344 | logger.warn("Close forced of resultSet ({})", rsID);
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345 | closeResulset(rsID); |
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346 | } |
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347 | |||
348 | protected final ResultSet getResultSet(int resultsetID) |
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349 | throws InvalidResultSetIdException {
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350 | if (resultsetID >= resulsetList.size()) {
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351 | throw new InvalidResultSetIdException(resultsetID); |
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352 | } |
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353 | ResultSetInfo rsInfo = resulsetList.get(resultsetID); |
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354 | if (rsInfo == null) { |
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355 | throw new InvalidResultSetIdException(resultsetID); |
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356 | } |
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357 | return rsInfo.get();
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358 | |||
359 | } |
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360 | |||
361 | private ResultSet dropResultSet(int resultsetID) |
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362 | throws InvalidResultSetIdException {
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363 | if (resultsetID >= resulsetList.size()) {
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364 | throw new InvalidResultSetIdException(resultsetID); |
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365 | } |
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366 | ResultSetInfo rsInfo = (ResultSetInfo) resulsetList.get(resultsetID); |
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367 | if (rsInfo == null) { |
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368 | throw new InvalidResultSetIdException(resultsetID); |
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369 | } |
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370 | if (resultsetID == resulsetList.size() - 1) { |
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371 | resulsetList.remove(resultsetID); |
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372 | } else {
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373 | resulsetList.set(resultsetID, null);
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374 | } |
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375 | return rsInfo.get();
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376 | } |
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377 | |||
378 | |||
379 | public final boolean resulsetNext(final int resultsetID) |
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380 | throws JDBCException,
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381 | InvalidResultSetIdException, ResourceExecuteException { |
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382 | return ((Boolean) getResource().execute(new ResourceAction() { |
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383 | public Object run() throws Exception { |
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384 | boolean bool = getResultSet(resultsetID).next();
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385 | return Boolean.valueOf(bool); |
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386 | } |
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387 | })).booleanValue(); |
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388 | } |
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389 | |||
390 | public final void closeResulset(final int resultsetID) |
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391 | throws JDBCException,
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392 | InvalidResultSetIdException, ResourceExecuteException { |
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393 | synchronized (this) { |
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394 | getResource().execute(new ResourceAction() {
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395 | public Object run() throws Exception { |
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396 | ResultSet rs = dropResultSet(resultsetID);
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397 | closeResulset(rs); |
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398 | return null; |
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399 | } |
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400 | }); |
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401 | if (logger.isDebugEnabled()) {
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402 | logger.debug(" id: " + resultsetID + " (total " |
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403 | + getResultsetOpenCount() + ")");
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404 | } |
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405 | checksResulsets(); |
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406 | } |
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407 | } |
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408 | |||
409 | public final void checksResulsets() throws JDBCException, |
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410 | InvalidResultSetIdException, ResourceExecuteException { |
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411 | synchronized (this) { |
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412 | getResource().execute(new ResourceAction() {
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413 | public Object run() throws Exception { |
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414 | ResultSetInfo rsInfo; |
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415 | for (int i = 0; i < resulsetList.size(); i++) { |
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416 | rsInfo = (ResultSetInfo) resulsetList.get(i); |
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417 | if (rsInfo == null) { |
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418 | continue;
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419 | } |
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420 | if (rsInfo.isZombie()) {
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421 | forceCloseResultSet(i); |
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422 | } |
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423 | } |
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424 | return null; |
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425 | } |
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426 | }); |
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427 | } |
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428 | } |
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429 | |||
430 | protected void closeResulset(final ResultSet rs) throws JDBCException, |
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431 | ResourceExecuteException { |
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432 | getResource().execute(new ResourceAction() {
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433 | public Object run() throws Exception { |
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434 | Statement st = rs.getStatement();
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435 | Connection con = st.getConnection();
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436 | try {
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437 | rs.close(); |
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438 | } finally {
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439 | // TODO revisar esto
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440 | try{ st.close(); } catch (Exception ex){ }; |
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441 | try{ con.close(); } catch (Exception ex){ }; |
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442 | } |
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443 | return null; |
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444 | } |
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445 | }); |
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446 | } |
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447 | |||
448 | private int getResultsetOpenCount() { |
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449 | int count = 0; |
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450 | Iterator<ResultSetInfo> iter = resulsetList.iterator();
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451 | while (iter.hasNext()) {
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452 | if (iter.next() != null) { |
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453 | count++; |
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454 | } |
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455 | } |
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456 | return count;
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457 | } |
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458 | |||
459 | protected final int openResulsetCount() { |
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460 | int count = 0; |
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461 | Iterator<ResultSetInfo> iter = resulsetList.iterator();
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462 | while (iter.hasNext()) {
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463 | if (iter.next() != null) { |
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464 | count++; |
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465 | } |
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466 | } |
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467 | return count;
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468 | } |
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469 | |||
470 | public boolean closeResourceRequested(ResourceProvider resource) { |
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471 | try {
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472 | checksResulsets(); |
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473 | return openResulsetCount() == 0 && closeResource(resource); |
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474 | } catch (DataException e) {
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475 | logger.error("Exception throws", e);
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476 | return false; |
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477 | } |
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478 | } |
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479 | |||
480 | |||
481 | protected String fixFilter(String filter) { |
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482 | if (filter == null) { |
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483 | return null; |
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484 | } |
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485 | |||
486 | return filter;
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487 | } |
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488 | |||
489 | protected JDBCHelper createHelper() throws InitializeException { |
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490 | return new JDBCHelper(this, getJDBCParameters()); |
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491 | } |
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492 | |||
493 | protected JDBCHelper getHelper() {
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494 | return helper;
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495 | } |
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496 | |||
497 | protected void resetCount() { |
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498 | totalCount = null;
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499 | } |
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500 | |||
501 | /**
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502 | * Get feature count for a <code>filter</code>.<br>
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503 | *
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504 | * <code>filter</code> can be <code>null</code>.<br>
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505 | *
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506 | * <strong>Note:</strong><br>
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507 | * this method have to perform <code>resouceBegin</code> at the begining and
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508 | * <code>resourceEnd</code> at the end of execution.
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509 | *
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510 | *
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511 | * @param filter
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512 | * @return
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513 | * @throws DataException
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514 | */
|
||
515 | protected long getCount(String filter) |
||
516 | throws DataException {
|
||
517 | this.open();
|
||
518 | if (filter == null && totalCount != null) { |
||
519 | return totalCount.longValue();
|
||
520 | } |
||
521 | final String sql = compoundCountSelect(filter); |
||
522 | |||
523 | long count = ((Long) getResource().execute(new ResourceAction() { |
||
524 | public Object run() throws Exception { |
||
525 | long count = 0; |
||
526 | ResultSet rs = createNewResultSet(sql, null, 1); |
||
527 | try {
|
||
528 | if (rs.next()) {
|
||
529 | count = rs.getLong(1);
|
||
530 | } |
||
531 | } catch (SQLException e) { |
||
532 | throw new JDBCSQLException(e); |
||
533 | } finally {
|
||
534 | closeResulset(rs); |
||
535 | } |
||
536 | return Long.valueOf(count); |
||
537 | } |
||
538 | })).longValue(); |
||
539 | |||
540 | if (filter == null) { |
||
541 | totalCount = new Long(count); |
||
542 | } |
||
543 | return count;
|
||
544 | } |
||
545 | |||
546 | public void close() throws CloseException { |
||
547 | helper.close(); |
||
548 | } |
||
549 | |||
550 | public void open() throws OpenException { |
||
551 | helper.open(); |
||
552 | } |
||
553 | |||
554 | @Override
|
||
555 | protected FeatureProvider internalGetFeatureProviderByReference(
|
||
556 | FeatureReferenceProviderServices reference) throws DataException {
|
||
557 | return internalGetFeatureProviderByReference(reference,
|
||
558 | getFeatureStore() |
||
559 | .getDefaultFeatureType()); |
||
560 | } |
||
561 | |||
562 | @Override
|
||
563 | protected FeatureProvider internalGetFeatureProviderByReference(
|
||
564 | FeatureReferenceProviderServices reference, |
||
565 | FeatureType featureType) |
||
566 | throws DataException {
|
||
567 | StringBuilder filter = new StringBuilder(); |
||
568 | FeatureAttributeDescriptor[] pk =
|
||
569 | getFeatureStore().getFeatureType(featureType.getId()) |
||
570 | .getPrimaryKey(); |
||
571 | |||
572 | List<Object> values = new ArrayList<Object>(); |
||
573 | |||
574 | int i;
|
||
575 | for (i = 0; i < pk.length - 1; i++) { |
||
576 | values.add( |
||
577 | helper.dalValueToJDBC(pk[i], |
||
578 | reference.getKeyValue(pk[i].getName()))); |
||
579 | filter.append(helper.getSqlFieldName(pk[i])); |
||
580 | filter.append(" = ? AND ");
|
||
581 | } |
||
582 | values.add(helper.dalValueToJDBC(pk[i], |
||
583 | reference.getKeyValue(pk[i].getName()))); |
||
584 | filter.append(helper.getSqlFieldName(pk[i])); |
||
585 | filter.append(" = ? ");
|
||
586 | |||
587 | String sql = compoundSelect(featureType, filter.toString(), null, 1, 0); |
||
588 | |||
589 | FeatureProvider data; |
||
590 | int rsId = createResultSet(sql, values.toArray(), 1); |
||
591 | try {
|
||
592 | if (!resulsetNext(rsId)) {
|
||
593 | throw new RuntimeException("Reference Not found"); |
||
594 | } |
||
595 | data = createFeatureProvider(featureType); |
||
596 | loadFeatureProvider(data, rsId); |
||
597 | } finally {
|
||
598 | closeResulset(rsId); |
||
599 | } |
||
600 | |||
601 | return data;
|
||
602 | } |
||
603 | |||
604 | public int getOIDType() { |
||
605 | return DataTypes.UNKNOWN;
|
||
606 | } |
||
607 | |||
608 | protected void initFeatureType() throws InitializeException { |
||
609 | |||
610 | EditableFeatureType edFType = null;
|
||
611 | try {
|
||
612 | edFType = this.getStoreServices().createFeatureType();
|
||
613 | |||
614 | helper.loadFeatureType(edFType, getJDBCParameters()); |
||
615 | |||
616 | } catch (DataException e) {
|
||
617 | throw new InitializeException(this.getProviderName(), e); |
||
618 | } |
||
619 | |||
620 | FeatureType defaultType = edFType.getNotEditableCopy(); |
||
621 | List<FeatureType> types = Collections.singletonList(defaultType); |
||
622 | this.getStoreServices().setFeatureTypes(types, defaultType);
|
||
623 | } |
||
624 | |||
625 | protected ResultSet createNewResultSet(final String sql, |
||
626 | final Object[] values, final int fetchSize) |
||
627 | throws DataException {
|
||
628 | this.open();
|
||
629 | return (ResultSet) getResource().execute(new ResourceAction() { |
||
630 | public Object run() throws Exception { |
||
631 | Connection conn = null; |
||
632 | PreparedStatement st = null; |
||
633 | ResultSet rs = null; |
||
634 | try {
|
||
635 | |||
636 | conn = helper.getConnection(); |
||
637 | conn.setAutoCommit(false);
|
||
638 | st = conn.prepareStatement(sql); |
||
639 | |||
640 | if (values != null) { |
||
641 | Object value;
|
||
642 | for (int i = 0; i < values.length; i++) { |
||
643 | value = values[i]; |
||
644 | if (value instanceof Geometry) { |
||
645 | byte[] bytes; |
||
646 | try {
|
||
647 | bytes = ((Geometry) value).convertToWKB(); |
||
648 | } catch (BaseException e) {
|
||
649 | throw new InvalidParameterException(); |
||
650 | } |
||
651 | st.setBytes(i + 1, bytes);
|
||
652 | } |
||
653 | st.setObject(i + 1, value);
|
||
654 | } |
||
655 | } |
||
656 | |||
657 | if (fetchSize > 0) { |
||
658 | st.setFetchSize(fetchSize); |
||
659 | } |
||
660 | rs = st.executeQuery(); |
||
661 | if (fetchSize > 0) { |
||
662 | rs.setFetchSize(fetchSize); |
||
663 | } |
||
664 | return rs;
|
||
665 | } catch (SQLException e) { |
||
666 | try {
|
||
667 | rs.close(); |
||
668 | } catch (Exception e1) { |
||
669 | } |
||
670 | try {
|
||
671 | st.close(); |
||
672 | } catch (Exception e1) { |
||
673 | } |
||
674 | try {
|
||
675 | conn.close(); |
||
676 | } catch (Exception e1) { |
||
677 | } |
||
678 | throw new JDBCExecutePreparedSQLException(sql,values,e); |
||
679 | } |
||
680 | } |
||
681 | }); |
||
682 | } |
||
683 | |||
684 | protected boolean closeResource(ResourceProvider resource) { |
||
685 | try {
|
||
686 | this.helper.close();
|
||
687 | } catch (CloseException e) {
|
||
688 | logger.error("Exception in close Request", e);
|
||
689 | } |
||
690 | return !this.helper.isOpen(); |
||
691 | } |
||
692 | |||
693 | protected String compoundCountSelect(String filter) { |
||
694 | if (this.directSQLMode) { |
||
695 | return null; |
||
696 | } |
||
697 | // Select
|
||
698 | StringBuilder sql = new StringBuilder(); |
||
699 | sql.append("Select count(");
|
||
700 | String[] pkFields = getJDBCParameters().getPkFields(); |
||
701 | if (pkFields != null && pkFields.length == 1) { |
||
702 | sql.append(helper.escapeFieldName(pkFields[0]));
|
||
703 | } else {
|
||
704 | sql.append('*');
|
||
705 | |||
706 | } |
||
707 | sql.append(") ");
|
||
708 | |||
709 | sql.append("from ");
|
||
710 | |||
711 | sql.append(getJDBCParameters().tableID()); |
||
712 | sql.append(' ');
|
||
713 | |||
714 | appendWhere(sql, filter); |
||
715 | |||
716 | return sql.toString();
|
||
717 | } |
||
718 | |||
719 | protected void appendWhere(StringBuilder sql, String filter) { |
||
720 | filter = fixFilter(filter); |
||
721 | String initialFilter = getJDBCParameters().getBaseFilter();
|
||
722 | if ((initialFilter != null && initialFilter.length() != 0) |
||
723 | || (filter != null && filter.length() != 0)) { |
||
724 | sql.append("where (");
|
||
725 | |||
726 | if (initialFilter != null && initialFilter.length() != 0 |
||
727 | && filter != null && filter.length() != 0) { |
||
728 | // initialFilter + filter
|
||
729 | sql.append('(');
|
||
730 | sql.append(initialFilter); |
||
731 | sql.append(") and (");
|
||
732 | sql.append(filter); |
||
733 | sql.append(')');
|
||
734 | } else if (initialFilter != null && initialFilter.length() != 0) { |
||
735 | // initialFilter only
|
||
736 | sql.append(initialFilter); |
||
737 | } else {
|
||
738 | // filter only
|
||
739 | sql.append(filter); |
||
740 | } |
||
741 | sql.append(") ");
|
||
742 | } |
||
743 | } |
||
744 | |||
745 | public void closeDone() throws DataException { |
||
746 | // Do nothing
|
||
747 | } |
||
748 | |||
749 | public void opendDone() throws DataException { |
||
750 | // Nothing to do
|
||
751 | } |
||
752 | |||
753 | public Envelope getEnvelope() throws DataException { |
||
754 | this.open();
|
||
755 | String defaultGeometryAttributeName;
|
||
756 | defaultGeometryAttributeName = this.getFeatureStore()
|
||
757 | .getDefaultFeatureType() |
||
758 | .getDefaultGeometryAttributeName(); |
||
759 | if( defaultGeometryAttributeName != null ) { |
||
760 | return this.helper.getFullEnvelopeOfField( |
||
761 | this.getJDBCParameters(),
|
||
762 | defaultGeometryAttributeName, |
||
763 | this.getJDBCParameters().getWorkingArea()
|
||
764 | ); |
||
765 | } |
||
766 | return null; |
||
767 | } |
||
768 | |||
769 | public void resourceChanged(ResourceProvider resource) { |
||
770 | this.getStoreServices().notifyChange(
|
||
771 | DataStoreNotification.RESOURCE_CHANGED, |
||
772 | resource); |
||
773 | } |
||
774 | |||
775 | public boolean allowAutomaticValues() { |
||
776 | return this.helper.allowAutomaticValues(); |
||
777 | } |
||
778 | |||
779 | public DataServerExplorer getExplorer() throws ReadException { |
||
780 | DataManager manager = DALLocator.getDataManager(); |
||
781 | JDBCServerExplorerParameters exParams; |
||
782 | JDBCStoreParameters params = getJDBCParameters(); |
||
783 | try {
|
||
784 | exParams = (JDBCServerExplorerParameters) manager |
||
785 | .createServerExplorerParameters(JDBCServerExplorer.NAME); |
||
786 | exParams.setHost(params.getHost()); |
||
787 | exParams.setPort(params.getPort()); |
||
788 | exParams.setDBName(params.getDBName()); |
||
789 | exParams.setUser(params.getUser()); |
||
790 | exParams.setPassword(params.getPassword()); |
||
791 | exParams.setUrl(params.getUrl()); |
||
792 | exParams.setCatalog(params.getCatalog()); |
||
793 | exParams.setSchema(params.getSchema()); |
||
794 | exParams.setJDBCDriverClassName(params.getJDBCDriverClassName()); |
||
795 | |||
796 | return manager.openServerExplorer(JDBCServerExplorer.NAME,exParams);
|
||
797 | } catch (DataException e) {
|
||
798 | throw new ReadException(this.getProviderName(), e); |
||
799 | } catch (ValidateDataParametersException e) {
|
||
800 | throw new ReadException(this.getProviderName(), e); |
||
801 | } |
||
802 | } |
||
803 | |||
804 | @Override
|
||
805 | protected void doDispose() throws BaseException { |
||
806 | this.close();
|
||
807 | resulsetList = null;
|
||
808 | this.helper.dispose();
|
||
809 | super.doDispose();
|
||
810 | } |
||
811 | |||
812 | public Object createNewOID() { |
||
813 | return null; |
||
814 | } |
||
815 | |||
816 | public String compoundSelect(FeatureType type, String filter, String order, |
||
817 | long limit, long offset) throws DataException { |
||
818 | StringBuilder sql = new StringBuilder(); |
||
819 | JDBCStoreParameters params = getJDBCParameters(); |
||
820 | if (directSQLMode) {
|
||
821 | sql.append(params.getSQL()); |
||
822 | sql.append(' ');
|
||
823 | } else {
|
||
824 | FeatureAttributeDescriptor[] fields = type
|
||
825 | .getAttributeDescriptors(); |
||
826 | |||
827 | // Select
|
||
828 | sql.append("Select ");
|
||
829 | for (int i = 0; i < fields.length - 1; i++) { |
||
830 | sql.append(helper.getSqlFieldName(fields[i])); |
||
831 | sql.append(", ");
|
||
832 | } |
||
833 | sql.append(helper.getSqlFieldName(fields[fields.length - 1]));
|
||
834 | sql.append(' ');
|
||
835 | |||
836 | FeatureAttributeDescriptor[] pkFields = getStoreServices()
|
||
837 | .getProviderFeatureType(type.getId()).getPrimaryKey(); |
||
838 | |||
839 | if (pkFields != null && pkFields.length > 0) { |
||
840 | // checks for pk fields are in select
|
||
841 | boolean toAdd;
|
||
842 | for (int i = 0; i < pkFields.length; i++) { |
||
843 | toAdd = true;
|
||
844 | for (int j = 0; j < fields.length; j++) { |
||
845 | if (pkFields[i].getName().equals(fields[j].getName())) {
|
||
846 | toAdd = false;
|
||
847 | break;
|
||
848 | } |
||
849 | if (toAdd) {
|
||
850 | sql.append(", ");
|
||
851 | sql.append(helper.getSqlFieldName(pkFields[i])); |
||
852 | } |
||
853 | } |
||
854 | } |
||
855 | sql.append(' ');
|
||
856 | } |
||
857 | |||
858 | // table
|
||
859 | sql.append("from ");
|
||
860 | sql.append(params.tableID()); |
||
861 | sql.append(' ');
|
||
862 | |||
863 | // Where
|
||
864 | appendWhere(sql, filter); |
||
865 | |||
866 | // Order
|
||
867 | if ((params.getBaseOrder() != null && params.getBaseOrder() |
||
868 | .length() != 0)
|
||
869 | || (order != null && order.length() != 0)) { |
||
870 | sql.append("order by ");
|
||
871 | |||
872 | if (order != null && order.length() != 0) { |
||
873 | // order
|
||
874 | sql.append(order); |
||
875 | } else {
|
||
876 | // initial order
|
||
877 | sql.append(params.getBaseOrder()); |
||
878 | } |
||
879 | sql.append(' ');
|
||
880 | } |
||
881 | } |
||
882 | // limit offset
|
||
883 | if (limit > 0 || offset > 0) { |
||
884 | sql.append(helper.compoundLimitAndOffset(limit,offset)); |
||
885 | } |
||
886 | return sql.toString();
|
||
887 | } |
||
888 | |||
889 | public long getFeatureCount() throws DataException { |
||
890 | return getCount(null); |
||
891 | } |
||
892 | |||
893 | public String getProviderName() { |
||
894 | return NAME;
|
||
895 | } |
||
896 | |||
897 | public boolean hasGeometrySupport() { |
||
898 | return false; |
||
899 | } |
||
900 | |||
901 | public FeatureSetProvider createSet(FeatureQuery query,
|
||
902 | FeatureType featureType) throws DataException {
|
||
903 | |||
904 | return new JDBCSetProvider(this, query, featureType); |
||
905 | } |
||
906 | |||
907 | public Object getSourceId() { |
||
908 | return this.getJDBCParameters().getSourceId(); |
||
909 | } |
||
910 | |||
911 | public String getName() { |
||
912 | return this.getJDBCParameters().tableID(); |
||
913 | } |
||
914 | |||
915 | public String getFullName() { |
||
916 | return this.getJDBCParameters().getHost()+":"+this.getJDBCParameters().getDBName()+":"+this.getJDBCParameters().tableID(); |
||
917 | } |
||
918 | |||
919 | |||
920 | public ResourceProvider getResource() {
|
||
921 | return getHelper().getResource();
|
||
922 | } |
||
923 | |||
924 | protected boolean isDirectSQLMode(){ |
||
925 | return directSQLMode;
|
||
926 | } |
||
927 | } |