root / trunk / org.gvsig.postgresql / org.gvsig.postgresql.provider / src / main / java / org / gvsig / postgresql / dal / operations / PostgreSQLFetchFeatureTypeOperation.java @ 511
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package org.gvsig.postgresql.dal.operations; |
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import java.sql.Connection; |
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import java.sql.ResultSet; |
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import java.sql.ResultSetMetaData; |
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import java.sql.SQLException; |
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import java.sql.Statement; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import org.apache.commons.lang3.StringUtils; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.expressionevaluator.ExpressionBuilder; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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import org.gvsig.fmap.dal.store.jdbc2.JDBCHelper; |
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import org.gvsig.fmap.dal.store.jdbc2.JDBCUtils; |
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import org.gvsig.fmap.dal.store.jdbc2.OperationsFactory.TableReference; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.SRSSolver; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.operations.FetchFeatureTypeOperation; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.postgresql.dal.PostgreSQLBuilder; |
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@SuppressWarnings("UseSpecificCatch") |
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public class PostgreSQLFetchFeatureTypeOperation extends FetchFeatureTypeOperation { |
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private static Map<String,GeometryType>databaseGeometryTypes = null; |
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public PostgreSQLFetchFeatureTypeOperation(
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JDBCHelper helper |
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) { |
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super(helper);
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} |
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private GeometryType getGT(
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GeometryManager manager, |
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int type,
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int subtype
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) { |
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try {
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return manager.getGeometryType(type, subtype);
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} catch (Exception ex) { |
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return null; |
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} |
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} |
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public PostgreSQLFetchFeatureTypeOperation(
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JDBCHelper helper, |
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EditableFeatureType featureType, |
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TableReference table, |
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List<String> primaryKeys, |
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String defaultGeometryColumn,
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IProjection crs |
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) { |
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super(helper, featureType, table, primaryKeys, defaultGeometryColumn, crs);
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} |
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@Override
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public void fetch(EditableFeatureType featureType, Connection conn, TableReference table, List<String> pks, String defaultGeometryColumn, IProjection crs) throws DataException { |
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super.fetch(featureType, conn, table, pks, defaultGeometryColumn, crs);
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} |
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@Override
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protected int getDataTypeFromMetadata( |
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ResultSetMetaData rsMetadata,
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int colIndex
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) throws SQLException { |
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return super.getDataTypeFromMetadata(rsMetadata, colIndex); |
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} |
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@Override
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protected String getSQLToRetrievePrimaryKeysFromInformationSchema( |
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String catalog,
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String schema,
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String table
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) throws SQLException { |
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PostgreSQLBuilder sqlbuilder = (PostgreSQLBuilder) this.createSQLBuilder();
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ExpressionBuilder expbuilder = sqlbuilder.expression(); |
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String column_COLUMN_NAME = "column_name"; |
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String column_CONSTRAINT_TYPE = "constraint_type"; |
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if( sqlbuilder.getDatabaseVersion().getMajor()<10 ) { |
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column_COLUMN_NAME = "COLUMN_NAME";
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column_CONSTRAINT_TYPE = "CONSTRAINT_TYPE";
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} |
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sqlbuilder.select().column().name(column_COLUMN_NAME); |
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sqlbuilder.select().column().name(column_CONSTRAINT_TYPE); |
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sqlbuilder.select().from().custom( |
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"INFORMATION_SCHEMA.table_constraints t_cons "
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+ "inner join INFORMATION_SCHEMA.key_column_usage c on "
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+ "c.constraint_catalog = t_cons.constraint_catalog and "
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+ "c.table_schema = t_cons.table_schema and "
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+ "c.table_name = t_cons.table_name and "
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+ "c.constraint_name = t_cons.constraint_name "
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); |
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sqlbuilder.select().where().set( |
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expbuilder.like( |
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expbuilder.custom("c.TABLE_NAME"),
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expbuilder.constant(table) |
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) |
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); |
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if (schema != null) { |
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sqlbuilder.select().where().and( |
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expbuilder.like( |
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expbuilder.custom("c.TABLE_SCHEMA"),
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expbuilder.constant(schema) |
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) |
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); |
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} |
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if (catalog != null) { |
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sqlbuilder.select().where().and( |
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expbuilder.like( |
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expbuilder.custom("c.CONSTRAINT_CATALOG"),
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expbuilder.constant(catalog) |
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) |
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); |
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} |
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sqlbuilder.select().where().and( |
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expbuilder.eq( |
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expbuilder.column(column_CONSTRAINT_TYPE), |
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expbuilder.constant("PRIMARY KEY")
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) |
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); |
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return sqlbuilder.toString();
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} |
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@Override
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protected void fetchGeometryTypeAndSRS( |
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EditableFeatureAttributeDescriptor attr, |
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ResultSetMetaData rsMetadata,
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int colIndex
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) { |
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if( attr.getType()!=DataTypes.GEOMETRY ) {
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return;
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} |
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try {
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JDBCSQLBuilderBase sqlbuilder = this.createSQLBuilder();
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ExpressionBuilder expbuilder = sqlbuilder.expression(); |
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sqlbuilder.select().column().name("f_table_catalog");
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sqlbuilder.select().column().name("f_table_schema");
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sqlbuilder.select().column().name("f_table_name");
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sqlbuilder.select().column().name("f_geometry_column");
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sqlbuilder.select().column().name("coord_dimension");
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sqlbuilder.select().column().name("srid");
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sqlbuilder.select().column().name("type");
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sqlbuilder.select().where().set( |
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expbuilder.eq( |
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expbuilder.column("f_table_name"),
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expbuilder.constant(this.getTable().getTable())
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) |
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); |
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sqlbuilder.select().where().and( |
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expbuilder.eq( |
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expbuilder.column("f_geometry_column"),
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expbuilder.constant(attr.getName()) |
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) |
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); |
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sqlbuilder.select().from().table().name("geometry_columns");
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Statement st = null; |
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ResultSet rs = null; |
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Integer srsid = null; |
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String geometryTypeName = null; |
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try {
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st = this.getConnection().createStatement();
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rs = JDBCUtils.executeQuery(st, sqlbuilder.toString()); |
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if (rs.next()) {
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srsid = rs.getInt("srid");
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geometryTypeName = rs.getString("type");
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} |
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} finally {
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JDBCUtils.closeQuietly(rs); |
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JDBCUtils.closeQuietly(st); |
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} |
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if( !StringUtils.isEmpty(geometryTypeName) ) {
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GeometryType gt = getGeometryTypeFromDatabaseTypeName(geometryTypeName); |
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attr.setGeometryType(gt); |
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} |
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if( srsid!=null ) { |
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SRSSolver srssolver = this.helper.getSRSSolver();
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attr.setSRS(srssolver.getProjection(this.getConnection(),srsid));
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} |
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} catch (Exception ex) { |
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LOGGER.debug("Can't get geometry type and srs from column '"+attr.getName()+"'.",ex); |
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} |
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} |
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private GeometryType getGeometryTypeFromDatabaseTypeName(String typeName) { |
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if( databaseGeometryTypes==null ) { |
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GeometryManager manager = GeometryLocator.getGeometryManager(); |
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databaseGeometryTypes = new HashMap<>(); |
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databaseGeometryTypes.put("POINT", getGT(manager, Geometry.TYPES.POINT,Geometry.SUBTYPES.GEOM2D));
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databaseGeometryTypes.put("POINTZ", getGT(manager, Geometry.TYPES.POINT,Geometry.SUBTYPES.GEOM3D));
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databaseGeometryTypes.put("POINTM", getGT(manager, Geometry.TYPES.POINT,Geometry.SUBTYPES.GEOM2DM));
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databaseGeometryTypes.put("POINTZM", getGT(manager, Geometry.TYPES.POINT,Geometry.SUBTYPES.GEOM3DM));
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databaseGeometryTypes.put("LINESTRING", getGT(manager, Geometry.TYPES.LINE,Geometry.SUBTYPES.GEOM2D));
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databaseGeometryTypes.put("LINESTRINGZ", getGT(manager, Geometry.TYPES.LINE,Geometry.SUBTYPES.GEOM3D));
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databaseGeometryTypes.put("LINESTRINGM", getGT(manager, Geometry.TYPES.LINE,Geometry.SUBTYPES.GEOM2DM));
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databaseGeometryTypes.put("LINESTRINGZM", getGT(manager, Geometry.TYPES.LINE,Geometry.SUBTYPES.GEOM3DM));
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databaseGeometryTypes.put("POLYGON", getGT(manager, Geometry.TYPES.POLYGON,Geometry.SUBTYPES.GEOM2D));
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databaseGeometryTypes.put("POLYGONZ", getGT(manager, Geometry.TYPES.POLYGON,Geometry.SUBTYPES.GEOM3D));
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databaseGeometryTypes.put("POLYGONM", getGT(manager, Geometry.TYPES.POLYGON,Geometry.SUBTYPES.GEOM2DM));
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databaseGeometryTypes.put("POLYGONZM", getGT(manager, Geometry.TYPES.POLYGON,Geometry.SUBTYPES.GEOM3DM));
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databaseGeometryTypes.put("MULTIPOINT", getGT(manager, Geometry.TYPES.MULTIPOINT,Geometry.SUBTYPES.GEOM2D));
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databaseGeometryTypes.put("MULTIPOINTZ", getGT(manager, Geometry.TYPES.MULTIPOINT,Geometry.SUBTYPES.GEOM3D));
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databaseGeometryTypes.put("MULTIPOINTM", getGT(manager, Geometry.TYPES.MULTIPOINT,Geometry.SUBTYPES.GEOM2DM));
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databaseGeometryTypes.put("MULTIPOINTZM", getGT(manager, Geometry.TYPES.MULTIPOINT,Geometry.SUBTYPES.GEOM3DM));
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databaseGeometryTypes.put("MULTILINESTRING", getGT(manager, Geometry.TYPES.MULTILINE,Geometry.SUBTYPES.GEOM2D));
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databaseGeometryTypes.put("MULTILINESTRINGZ", getGT(manager, Geometry.TYPES.MULTILINE,Geometry.SUBTYPES.GEOM3D));
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databaseGeometryTypes.put("MULTILINESTRINGM", getGT(manager, Geometry.TYPES.MULTILINE,Geometry.SUBTYPES.GEOM2DM));
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databaseGeometryTypes.put("MULTILINESTRINGZM", getGT(manager, Geometry.TYPES.MULTILINE,Geometry.SUBTYPES.GEOM3DM));
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databaseGeometryTypes.put("MULTIPOLYGON", getGT(manager, Geometry.TYPES.MULTIPOLYGON,Geometry.SUBTYPES.GEOM2D));
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databaseGeometryTypes.put("MULTIPOLYGONZ", getGT(manager, Geometry.TYPES.MULTIPOLYGON,Geometry.SUBTYPES.GEOM3D));
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databaseGeometryTypes.put("MULTIPOLYGONM", getGT(manager, Geometry.TYPES.MULTIPOLYGON,Geometry.SUBTYPES.GEOM2DM));
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databaseGeometryTypes.put("MULTIPOLYGONZM", getGT(manager, Geometry.TYPES.MULTIPOLYGON,Geometry.SUBTYPES.GEOM3DM));
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databaseGeometryTypes.put("GEOMETRY", getGT(manager, Geometry.TYPES.GEOMETRY,Geometry.SUBTYPES.GEOM2D));
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databaseGeometryTypes.put("GEOMETRYZ", getGT(manager, Geometry.TYPES.GEOMETRY,Geometry.SUBTYPES.GEOM3D));
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databaseGeometryTypes.put("GEOMETRYM", getGT(manager, Geometry.TYPES.GEOMETRY,Geometry.SUBTYPES.GEOM2DM));
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databaseGeometryTypes.put("GEOMETRYZM", getGT(manager, Geometry.TYPES.GEOMETRY,Geometry.SUBTYPES.GEOM3DM));
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} |
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return databaseGeometryTypes.get(typeName);
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} |
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} |