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 @ 44185
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package org.gvsig.fmap.dal.store.jdbc2.spi; |
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|
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import java.text.MessageFormat; |
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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.EditableFeatureAttributeDescriptor; |
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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.ResourceParameters; |
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import org.gvsig.fmap.dal.resource.exception.AccessResourceException; |
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import org.gvsig.fmap.dal.resource.exception.ResourceException; |
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import org.gvsig.fmap.dal.resource.spi.AbstractResource; |
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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.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.Geometry; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.tools.dynobject.DynField; |
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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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|
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@SuppressWarnings("UseSpecificCatch") |
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public class JDBCStoreProviderBase |
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extends AbstractFeatureStoreProvider
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implements ResourceConsumer, JDBCStoreProvider {
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|
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final static private Logger LOGGER = LoggerFactory.getLogger(JDBCStoreProviderBase.class); |
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|
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public class CountValue implements CalculatedValue<Long> { |
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|
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private Long value = null; |
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|
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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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getOperations().createTableReference(params), |
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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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|
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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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|
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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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|
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public class EnvelopeValue implements CalculatedValue<Envelope> { |
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|
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private Envelope value = null; |
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private boolean needCalculate = true; |
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|
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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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getOperations().createTableReference(params), |
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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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|
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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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|
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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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|
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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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|
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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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getOperations().createTableReference(params) |
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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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|
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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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|
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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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|
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protected final JDBCHelper helper; |
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|
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protected CalculatedValue<Long> count = null; |
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|
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protected CalculatedValue<Envelope> envelope = null; |
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|
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protected CalculatedValue<Boolean> allowWrite = null; |
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|
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protected AppendOperation appendOperation = null; |
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@SuppressWarnings({"OverridableMethodCallInConstructor", "CallToThreadStartDuringObjectConstruction"}) |
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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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|
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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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|
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public OperationsFactory getOperations() {
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return this.getHelper().getOperations(); |
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} |
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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DynField[] fields = exParams.getDynClass().getDynFields();
|
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for (DynField field : fields) {
|
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try {
|
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exParams.setDynValue(field.getName(), params.getDynValue(field.getName())); |
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} catch(Exception ex) { |
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// Ignore
|
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} |
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} |
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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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|
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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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|
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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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|
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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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|
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@Override
|
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public String getName() { |
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return this.getParameters().getTable(); |
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} |
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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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|
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private static class DummyResource extends AbstractResource { |
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|
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private final String name; |
397 |
|
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DummyResource(String name) throws InitializeException { |
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super((ResourceParameters)null); |
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this.name = name;
|
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} |
402 |
|
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@Override
|
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public String getName() throws AccessResourceException { |
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return MessageFormat.format("DummyResource({0})", |
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new Object[] { this.name }); |
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} |
408 |
|
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@Override
|
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public Object get() throws AccessResourceException { |
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return null; |
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} |
413 |
|
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@Override
|
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public boolean isThis(ResourceParameters parameters) throws ResourceException { |
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return true; |
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} |
418 |
|
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} |
420 |
|
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@Override
|
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public ResourceProvider getResource() {
|
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ResourceProvider r = getHelper().getResource(); |
424 |
if( r == null ) { |
425 |
try {
|
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r = new DummyResource(this.getName()); |
427 |
} catch (InitializeException ex) {
|
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LOGGER.warn("Can't create DummyResource",ex);
|
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// Do nothing
|
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} |
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} |
432 |
return r;
|
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} |
434 |
|
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@Override
|
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public void open() throws OpenException { |
437 |
|
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} |
439 |
|
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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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|
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FeatureSetProvider set = new JDBCSetProvider(
|
447 |
this,
|
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this.getHelper(),
|
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query, |
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featureType |
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); |
452 |
|
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return set;
|
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} |
455 |
|
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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; |
460 |
if( params.getPkFields() != null ) { |
461 |
primaryKeys = Arrays.asList(params.getPkFields());
|
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} |
463 |
FetchFeatureTypeOperation fetchFeatureType = |
464 |
this.getOperations().createFetchFeatureType(
|
465 |
type, |
466 |
this.getOperations().createTableReference(params),
|
467 |
primaryKeys, |
468 |
params.getDefaultGeometryField(), |
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params.getCRS() |
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); |
471 |
fetchFeatureType.perform(); |
472 |
|
473 |
if( !StringUtils.isEmpty(params.getDefaultGeometryField()) ) {
|
474 |
if( !params.getDefaultGeometryField().equalsIgnoreCase(type.getDefaultGeometryAttributeName()) ) {
|
475 |
type.setDefaultGeometryAttributeName(params.getDefaultGeometryField()); |
476 |
EditableFeatureAttributeDescriptor attr = (EditableFeatureAttributeDescriptor) type.getDefaultGeometryAttribute(); |
477 |
attr.setGeometryType(Geometry.TYPES.GEOMETRY, Geometry.SUBTYPES.GEOM2D); |
478 |
} |
479 |
} |
480 |
FeatureType defaultType = type.getNotEditableCopy(); |
481 |
List<FeatureType> types = Collections.singletonList(defaultType); |
482 |
this.getStoreServices().setFeatureTypes(types, defaultType);
|
483 |
} |
484 |
|
485 |
@Override
|
486 |
protected FeatureProvider internalGetFeatureProviderByReference(
|
487 |
FeatureReferenceProviderServices reference, |
488 |
FeatureType featureType |
489 |
) throws DataException {
|
490 |
JDBCStoreParameters params = this.getParameters();
|
491 |
FetchFeatureProviderByReferenceOperation fetchFeatureProviderByReference = |
492 |
this.getOperations().createFetchFeatureProviderByReference(
|
493 |
reference, |
494 |
featureType, |
495 |
this.getOperations().createTableReference(params)
|
496 |
); |
497 |
FeatureProvider feature = (FeatureProvider) fetchFeatureProviderByReference.perform(); |
498 |
return feature;
|
499 |
} |
500 |
|
501 |
@Override
|
502 |
public Envelope getEnvelope() throws DataException { |
503 |
return this.getEnvelopeValue().get(); |
504 |
} |
505 |
|
506 |
@Override
|
507 |
public void performChanges(Iterator deleteds, Iterator inserteds, |
508 |
Iterator updateds, Iterator featureTypesChanged) |
509 |
throws DataException {
|
510 |
|
511 |
FeatureType type = this.getFeatureStore().getDefaultFeatureType();
|
512 |
JDBCStoreParameters params = this.getParameters();
|
513 |
PerformChangesOperation performChanges = this.getOperations().createPerformChanges(
|
514 |
this.getOperations().createTableReference(params),
|
515 |
type, |
516 |
deleteds, |
517 |
inserteds, |
518 |
updateds, |
519 |
featureTypesChanged |
520 |
); |
521 |
performChanges.perform(); |
522 |
if( performChanges.isTypeChanged() ) {
|
523 |
// Get rules before initializing feature type
|
524 |
FeatureRules saved_rules = getFeatureStore().getDefaultFeatureType().getRules(); |
525 |
|
526 |
// This initialization loses the feature type rules
|
527 |
this.initializeFeatureType();
|
528 |
|
529 |
// Get new feature type, clear rules and add the ones saved previously
|
530 |
FeatureType featureType = getFeatureStore().getDefaultFeatureType(); |
531 |
FeatureRules rules = featureType.getRules(); |
532 |
rules.clear(); |
533 |
for (FeatureRule rule : saved_rules) {
|
534 |
rules.add(rule); |
535 |
} |
536 |
} |
537 |
this.getCountValue().reset();
|
538 |
this.getEnvelopeValue().reset();
|
539 |
} |
540 |
|
541 |
@Override
|
542 |
public boolean supportsAppendMode() { |
543 |
return true; |
544 |
} |
545 |
|
546 |
protected AppendOperation getAppendOperation() throws DataException { |
547 |
if( this.appendOperation == null ) { |
548 |
FeatureType type = this.getFeatureStore().getDefaultFeatureType();
|
549 |
JDBCStoreParameters params = this.getParameters();
|
550 |
this.appendOperation = this.getOperations().createAppend( |
551 |
this.getOperations().createTableReference(params),
|
552 |
type |
553 |
); |
554 |
} |
555 |
return this.appendOperation; |
556 |
} |
557 |
|
558 |
@Override
|
559 |
public void endAppend() throws DataException { |
560 |
this.getAppendOperation().end();
|
561 |
} |
562 |
|
563 |
@Override
|
564 |
public void abortAppend() throws DataException { |
565 |
this.getAppendOperation().abort();
|
566 |
} |
567 |
|
568 |
@Override
|
569 |
public void beginAppend() throws DataException { |
570 |
this.getAppendOperation().begin();
|
571 |
} |
572 |
|
573 |
@Override
|
574 |
public void append(final FeatureProvider featureProvider) throws DataException { |
575 |
this.getAppendOperation().append(featureProvider);
|
576 |
} |
577 |
|
578 |
@Override
|
579 |
public boolean canWriteGeometry(int geometryType, int geometrySubtype) |
580 |
throws DataException {
|
581 |
return this.getHelper().canWriteGeometry(geometryType,geometrySubtype); |
582 |
} |
583 |
} |