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 / jdbc2 / spi / JDBCStoreProviderBase.java @ 43361
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package org.gvsig.fmap.dal.store.jdbc2.spi; |
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import org.gvsig.fmap.dal.store.jdbc2.JDBCStoreProvider; |
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import java.util.Arrays; |
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import java.util.Collections; |
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import java.util.Iterator; |
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import java.util.List; |
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import org.apache.commons.lang3.BooleanUtils; |
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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.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.DataServerExplorer; |
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.DataStoreNotification; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.exception.CloseException; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.exception.OpenException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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import org.gvsig.fmap.dal.feature.FeatureQuery; |
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import org.gvsig.fmap.dal.feature.FeatureRule; |
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import org.gvsig.fmap.dal.feature.FeatureRules; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.spi.AbstractFeatureStoreProvider; |
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import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
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import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
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import org.gvsig.fmap.dal.resource.spi.ResourceConsumer; |
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import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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//import org.gvsig.fmap.dal.store.jdbc2.JDBCServerExplorerBase;
|
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import org.gvsig.fmap.dal.store.jdbc.JDBCServerExplorerParameters; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCStoreParameters; |
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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; |
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import org.gvsig.fmap.dal.store.jdbc2.ResulSetControler; |
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import org.gvsig.fmap.dal.store.jdbc2.impl.JDBCSetProvider; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.operations.AppendOperation; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.operations.CalculateEnvelopeOfColumnOperation; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.operations.CanModifyTableOperation; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.operations.CountOperation; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.operations.FetchFeatureProviderByReferenceOperation; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.operations.FetchFeatureTypeOperation; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.operations.PerformChangesOperation; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
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import org.gvsig.tools.exception.BaseException; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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public class JDBCStoreProviderBase |
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extends AbstractFeatureStoreProvider
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implements ResourceConsumer, JDBCStoreProvider {
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final static private Logger logger = LoggerFactory.getLogger(JDBCStoreProviderBase.class); |
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public class CountValue implements CalculatedValue<Long> { |
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private Long value = null; |
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@Override
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public void calculate() { |
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JDBCStoreParameters params = getParameters(); |
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CountOperation count = getOperations().createCount( |
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params.getDBName(), |
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params.getSchema(), |
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params.getTable(), |
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params.getSQL(), |
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params.getBaseFilter(), |
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null
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); |
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this.value = (Long) count.perform(); |
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} |
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@Override
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public void reset() { |
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this.value = null; |
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} |
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@Override
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public Long get() { |
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if( this.value == null ) { |
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this.calculate();
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} |
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return this.value; |
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} |
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} |
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public class EnvelopeValue implements CalculatedValue<Envelope> { |
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private Envelope value = null; |
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private boolean needCalculate = true; |
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@Override
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public void calculate() { |
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try {
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value = null;
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String columnName = getFeatureStore()
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.getDefaultFeatureType() |
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.getDefaultGeometryAttributeName(); |
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if( columnName==null ) { |
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return;
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} |
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IProjection crs = getFeatureStore() |
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.getDefaultFeatureType() |
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.getDefaultSRS(); |
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JDBCStoreParameters params = getParameters(); |
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CalculateEnvelopeOfColumnOperation calculateEnvelopeOfColumn = |
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getOperations().createCalculateEnvelopeOfColumn( |
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params.getSQL(), |
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params.getDBName(), |
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params.getSchema(), |
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params.getTable(), |
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columnName, |
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params.getBaseFilter(), |
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params.getWorkingArea(), |
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crs |
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); |
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value = (Envelope) calculateEnvelopeOfColumn.perform(); |
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} catch(Exception ex) { |
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throw new RuntimeException("Can't calculate envelope.", ex); |
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} finally {
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needCalculate = false;
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} |
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} |
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@Override
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public void reset() { |
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this.value = null; |
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this.needCalculate = true; |
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} |
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@Override
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public synchronized Envelope get() { |
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if( needCalculate ) {
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this.calculate();
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} |
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return this.value; |
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} |
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} |
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public class AllowWriteValue implements CalculatedValue<Boolean> { |
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private Boolean value = null; |
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@Override
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public void calculate() { |
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try {
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JDBCStoreParameters params = getParameters(); |
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CanModifyTableOperation canModifyTable = |
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getOperations().createCanModifyTableOperation( |
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params.getDBName(), |
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params.getSchema(), |
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params.getTable() |
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); |
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this.value = (boolean) canModifyTable.perform(); |
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} catch(Exception ex) { |
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throw new RuntimeException("Can't determine if allow write.", ex); |
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} |
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} |
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@Override
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public void reset() { |
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this.value = null; |
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} |
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@Override
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public Boolean get() { |
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if( this.value == null ) { |
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this.calculate();
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} |
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return this.value; |
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} |
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} |
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protected final JDBCHelper helper; |
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protected CalculatedValue<Long> count = null; |
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protected CalculatedValue<Envelope> envelope = null; |
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protected CalculatedValue<Boolean> allowWrite = null; |
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protected AppendOperation appendOperation = null; |
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protected JDBCStoreProviderBase(
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JDBCStoreParameters params, |
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DataStoreProviderServices storeServices, |
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DynObject metadata, |
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JDBCHelper helper |
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) throws InitializeException {
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super(params, storeServices, metadata);
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this.helper = helper;
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this.initializeFeatureType();
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try {
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if( BooleanUtils.isTrue((Boolean) params.getDynValue("precalculateEnvelope")) ) { |
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FeatureType featureType = this.getStoreServices().getDefaultFeatureType();
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if( !StringUtils.isEmpty(featureType.getDefaultGeometryAttributeName()) ) {
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Thread thread = new Thread(new Runnable() { |
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@Override
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public void run() { |
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logger.debug("Precalculating envelope of '"+getSourceId()+"'."); |
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getEnvelopeValue().get(); |
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} |
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}, "PrecalculateEnvelopeOfDBTable");
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thread.start(); |
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Thread.sleep(1); |
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} |
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} |
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} catch(Exception ex) { |
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logger.warn("Probems precalculating the envelope of table '"+this.getSourceId()+"'.", ex); |
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} |
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} |
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@Override
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public JDBCSQLBuilderBase createExpression() {
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return this.getHelper().createSQLBuilder(); |
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} |
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@Override
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public JDBCStoreParameters getParameters() {
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return (JDBCStoreParameters) super.getParameters(); |
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} |
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@Override
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public JDBCHelper getHelper() {
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return helper;
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} |
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public OperationsFactory getOperations() {
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return this.getHelper().getOperations(); |
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} |
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@Override
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public String getProviderName() { |
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return this.getHelper().getProviderName(); |
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} |
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@Override
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public int getOIDType() { |
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return DataTypes.UNKNOWN;
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} |
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@Override
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public Object createNewOID() { |
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return null; |
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} |
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@Override
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public boolean allowAutomaticValues() { |
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return this.getHelper().allowAutomaticValues(); |
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} |
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@Override
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public boolean allowWrite() { |
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return this.getAllowWriteValue().get(); |
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} |
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@Override
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public Object getDynValue(String name) throws DynFieldNotFoundException { |
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try {
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if (DataStore.METADATA_ENVELOPE.equalsIgnoreCase(name)) {
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Envelope env = this.getEnvelope();
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if (env != null) { |
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return env;
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} |
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} else if (DataStore.METADATA_CRS.equalsIgnoreCase(name)) { |
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IProjection proj; |
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proj = this.getFeatureStore().getDefaultFeatureType().getDefaultSRS();
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if (proj != null) { |
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return proj;
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} |
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} |
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} catch (DataException e) {
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throw new RuntimeException(e); |
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} |
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return super.getDynValue(name); |
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} |
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@Override
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public CalculatedValue<Long> getCountValue() { |
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if( this.count == null ) { |
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this.count = new CountValue(); |
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} |
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return this.count; |
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} |
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@Override
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public CalculatedValue<Envelope> getEnvelopeValue() {
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if( this.envelope == null ) { |
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this.envelope = new EnvelopeValue(); |
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} |
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return this.envelope; |
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} |
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@Override
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public CalculatedValue<Boolean> getAllowWriteValue() { |
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if( this.allowWrite == null ) { |
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this.allowWrite = new AllowWriteValue(); |
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} |
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return this.allowWrite; |
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} |
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@Override
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public long getFeatureCount() throws DataException { |
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return this.getCountValue().get(); |
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} |
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@Override
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public boolean closeResourceRequested(ResourceProvider resource) { |
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ResulSetControler resulSetControler = this.getHelper().getResulSetControler();
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resulSetControler.pack(); |
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return resulSetControler.getOpenCount() == 0; |
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} |
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@Override
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public void close() throws CloseException { |
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JDBCUtils.closeQuietly(this.getHelper());
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} |
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@Override
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public void resourceChanged(ResourceProvider resource) { |
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this.getStoreServices().notifyChange(
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DataStoreNotification.RESOURCE_CHANGED, |
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resource |
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); |
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} |
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@Override
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public DataServerExplorer getExplorer() throws ReadException { |
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DataManager manager = DALLocator.getDataManager(); |
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JDBCServerExplorerParameters exParams; |
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JDBCStoreParameters params = getParameters(); |
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try {
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exParams = this.getHelper().createServerExplorerParameters();
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exParams.setHost(params.getHost()); |
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exParams.setPort(params.getPort()); |
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exParams.setDBName(params.getDBName()); |
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exParams.setUser(params.getUser()); |
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exParams.setPassword(params.getPassword()); |
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exParams.setUrl(params.getUrl()); |
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exParams.setCatalog(params.getCatalog()); |
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exParams.setSchema(params.getSchema()); |
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exParams.setJDBCDriverClassName(params.getJDBCDriverClassName()); |
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return manager.openServerExplorer(exParams.getExplorerName(), exParams);
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} catch (Exception e) { |
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throw new ReadException(this.getProviderName(), e); |
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} |
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} |
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@Override
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protected void doDispose() throws BaseException { |
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this.close();
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this.getHelper().dispose();
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super.doDispose();
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} |
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@Override
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public String getSourceId() { |
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try {
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return this.getHelper().getSourceId(this.getParameters()); |
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} catch(Exception ex) { |
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return "unknow"; |
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} |
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} |
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@Override
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public String getName() { |
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return this.getParameters().tableID(); |
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} |
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@Override
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public String getFullName() { |
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return this.getHelper().getSourceId(this.getParameters()); |
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} |
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@Override
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public ResourceProvider getResource() {
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return getHelper().getResource();
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} |
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@Override
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public void open() throws OpenException { |
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} |
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@Override
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public FeatureSetProvider createSet(
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FeatureQuery query, |
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FeatureType featureType |
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) throws DataException {
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FeatureSetProvider set = new JDBCSetProvider(
|
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this,
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this.getHelper(),
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query, |
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featureType |
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); |
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return set;
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} |
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protected void initializeFeatureType() { |
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EditableFeatureType type = this.getStoreServices().createFeatureType(getName());
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JDBCStoreParameters params = this.getParameters();
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List<String> primaryKeys = null; |
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if( params.getPkFields() != null ) { |
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primaryKeys = Arrays.asList(params.getPkFields());
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} |
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FetchFeatureTypeOperation fetchFeatureType = |
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this.getOperations().createFetchFeatureType(
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type, |
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params.getDBName(), |
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params.getSchema(), |
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params.getTable(), |
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primaryKeys, |
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params.getDefaultGeometryField(), |
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params.getCRS() |
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); |
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fetchFeatureType.perform(); |
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FeatureType defaultType = type.getNotEditableCopy(); |
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List<FeatureType> types = Collections.singletonList(defaultType); |
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this.getStoreServices().setFeatureTypes(types, defaultType);
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} |
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|
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@Override
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protected FeatureProvider internalGetFeatureProviderByReference(
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FeatureReferenceProviderServices reference, |
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FeatureType featureType |
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) throws DataException {
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JDBCStoreParameters params = this.getParameters();
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FetchFeatureProviderByReferenceOperation fetchFeatureProviderByReference = |
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this.getOperations().createFetchFeatureProviderByReference(
|
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reference, |
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featureType, |
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params.getDBName(), |
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params.getSchema(), |
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params.getTable() |
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); |
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FeatureProvider feature = (FeatureProvider) fetchFeatureProviderByReference.perform(); |
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return feature;
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} |
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|
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@Override
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public Envelope getEnvelope() throws DataException { |
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return this.getEnvelopeValue().get(); |
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} |
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|
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@Override
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public void performChanges(Iterator deleteds, Iterator inserteds, |
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Iterator updateds, Iterator featureTypesChanged) |
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throws DataException {
|
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|
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FeatureType type = this.getFeatureStore().getDefaultFeatureType();
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JDBCStoreParameters params = this.getParameters();
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PerformChangesOperation performChanges = this.getOperations().createPerformChanges(
|
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params.getDBName(), |
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params.getSchema(), |
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params.getTable(), |
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type, |
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deleteds, |
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inserteds, |
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updateds, |
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featureTypesChanged |
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); |
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performChanges.perform(); |
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if( performChanges.isTypeChanged() ) {
|
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// Get rules before initializing feature type
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FeatureRules saved_rules = getFeatureStore().getDefaultFeatureType().getRules(); |
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|
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// This initialization loses the feature type rules
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this.initializeFeatureType();
|
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|
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// Get new feature type, clear rules and add the ones saved previously
|
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FeatureType featureType = getFeatureStore().getDefaultFeatureType(); |
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FeatureRules rules = featureType.getRules(); |
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rules.clear(); |
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for (FeatureRule rule : saved_rules) {
|
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rules.add(rule); |
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} |
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} |
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this.getCountValue().reset();
|
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this.getEnvelopeValue().reset();
|
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} |
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|
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@Override
|
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public boolean supportsAppendMode() { |
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return true; |
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} |
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|
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protected AppendOperation getAppendOperation() throws DataException { |
501 |
if( this.appendOperation == null ) { |
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FeatureType type = this.getFeatureStore().getDefaultFeatureType();
|
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JDBCStoreParameters params = this.getParameters();
|
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this.appendOperation = this.getOperations().createAppend( |
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params.getDBName(), |
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params.getSchema(), |
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params.getTable(), |
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type |
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); |
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} |
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return this.appendOperation; |
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} |
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|
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@Override
|
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public void endAppend() throws DataException { |
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this.getAppendOperation().end();
|
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} |
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|
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@Override
|
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public void beginAppend() throws DataException { |
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this.getAppendOperation().begin();
|
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} |
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|
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@Override
|
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public void append(final FeatureProvider featureProvider) throws DataException { |
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this.getAppendOperation().append(featureProvider);
|
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} |
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|
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@Override
|
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public boolean canWriteGeometry(int geometryType, int geometrySubtype) |
531 |
throws DataException {
|
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return this.getHelper().canWriteGeometry(geometryType,geometrySubtype); |
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} |
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} |