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 @ 45065
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2020 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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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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@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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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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try {
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JDBCStoreParameters params = getParameters(); |
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CountOperation count = getOperations().createCount( |
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getFeatureStore().getDefaultFeatureType(), |
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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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} catch (DataException ex) {
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throw new RuntimeException("Can't calculate count",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 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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getFeatureStore().getDefaultFeatureType(), |
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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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} 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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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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@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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@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(() -> { |
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LOGGER.trace("Precalculating envelope of '"+getSourceId()+"'."); |
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getEnvelopeValue().get(); |
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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 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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|
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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())); |
368 |
} 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()); |
381 |
|
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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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} |
387 |
|
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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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} |
394 |
|
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@Override
|
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public String getSourceId() { |
397 |
try {
|
398 |
return this.getHelper().getSourceId(this.getParameters()); |
399 |
} catch(Exception ex) { |
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return "unknow"; |
401 |
} |
402 |
} |
403 |
|
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@Override
|
405 |
public String getName() { |
406 |
return this.getParameters().getTable(); |
407 |
} |
408 |
|
409 |
@Override
|
410 |
public String getFullName() { |
411 |
return this.getHelper().getSourceId(this.getParameters()); |
412 |
} |
413 |
|
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private static class DummyResource extends AbstractResource { |
415 |
|
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private final String name; |
417 |
|
418 |
DummyResource(String name) throws InitializeException { |
419 |
super((ResourceParameters)null); |
420 |
this.name = name;
|
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} |
422 |
|
423 |
@Override
|
424 |
public String getName() throws AccessResourceException { |
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return MessageFormat.format("DummyResource({0})", |
426 |
new Object[] { this.name }); |
427 |
} |
428 |
|
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@Override
|
430 |
public Object get() throws AccessResourceException { |
431 |
return null; |
432 |
} |
433 |
|
434 |
@Override
|
435 |
public boolean isThis(ResourceParameters parameters) throws ResourceException { |
436 |
return true; |
437 |
} |
438 |
|
439 |
} |
440 |
|
441 |
@Override
|
442 |
public ResourceProvider getResource() {
|
443 |
ResourceProvider r = getHelper().getResource(); |
444 |
if( r == null ) { |
445 |
try {
|
446 |
r = new DummyResource(this.getName()); |
447 |
} catch (InitializeException ex) {
|
448 |
LOGGER.warn("Can't create DummyResource",ex);
|
449 |
// Do nothing
|
450 |
} |
451 |
} |
452 |
return r;
|
453 |
} |
454 |
|
455 |
@Override
|
456 |
public void open() throws OpenException { |
457 |
|
458 |
} |
459 |
|
460 |
@Override
|
461 |
public FeatureSetProvider createSet(
|
462 |
FeatureQuery query, |
463 |
FeatureType featureType |
464 |
) throws DataException {
|
465 |
|
466 |
FeatureSetProvider set = new JDBCSetProvider(
|
467 |
this,
|
468 |
this.getHelper(),
|
469 |
query, |
470 |
featureType |
471 |
); |
472 |
|
473 |
return set;
|
474 |
} |
475 |
|
476 |
protected void initializeFeatureType() { |
477 |
EditableFeatureType type = this.getStoreServices().createFeatureType(getName());
|
478 |
JDBCStoreParameters params = this.getParameters();
|
479 |
List<String> primaryKeys = null; |
480 |
if( params.getPkFields() != null ) { |
481 |
primaryKeys = Arrays.asList(params.getPkFields());
|
482 |
} |
483 |
FetchFeatureTypeOperation fetchFeatureType = |
484 |
this.getOperations().createFetchFeatureType(
|
485 |
type, |
486 |
this.getOperations().createTableReference(params),
|
487 |
primaryKeys, |
488 |
params.getDefaultGeometryField(), |
489 |
params.getCRS() |
490 |
); |
491 |
fetchFeatureType.perform(); |
492 |
|
493 |
if (!StringUtils.isBlank(params.getDefaultGeometryField())) {
|
494 |
if (!params.getDefaultGeometryField().equalsIgnoreCase(type.getDefaultGeometryAttributeName())) {
|
495 |
if (type.getAttributeDescriptor(params.getDefaultGeometryField()) != null) { |
496 |
type.setDefaultGeometryAttributeName(params.getDefaultGeometryField()); |
497 |
} else {
|
498 |
type.setDefaultGeometryAttributeName(null);
|
499 |
} |
500 |
if (type.getDefaultGeometryAttribute() != null) { |
501 |
EditableFeatureAttributeDescriptor attr = (EditableFeatureAttributeDescriptor) type.getDefaultGeometryAttribute(); |
502 |
attr.setGeometryType(Geometry.TYPES.GEOMETRY, Geometry.SUBTYPES.GEOM2D); |
503 |
} |
504 |
} else {
|
505 |
type.setDefaultGeometryAttributeName(null);
|
506 |
} |
507 |
} |
508 |
|
509 |
FeatureType defaultType = type.getNotEditableCopy(); |
510 |
List<FeatureType> types = Collections.singletonList(defaultType); |
511 |
this.getStoreServices().setFeatureTypes(types, defaultType);
|
512 |
} |
513 |
|
514 |
@Override
|
515 |
protected FeatureProvider internalGetFeatureProviderByReference(
|
516 |
FeatureReferenceProviderServices reference, |
517 |
FeatureType featureType |
518 |
) throws DataException {
|
519 |
JDBCStoreParameters params = this.getParameters();
|
520 |
FetchFeatureProviderByReferenceOperation fetchFeatureProviderByReference = |
521 |
this.getOperations().createFetchFeatureProviderByReference(
|
522 |
reference, |
523 |
featureType, |
524 |
this.getOperations().createTableReference(params)
|
525 |
); |
526 |
FeatureProvider feature = (FeatureProvider) fetchFeatureProviderByReference.perform(); |
527 |
return feature;
|
528 |
} |
529 |
|
530 |
@Override
|
531 |
public Envelope getEnvelope() throws DataException { |
532 |
return this.getEnvelopeValue().get(); |
533 |
} |
534 |
|
535 |
@Override
|
536 |
public void performChanges(Iterator deleteds, Iterator inserteds, |
537 |
Iterator updateds, Iterator featureTypesChanged) |
538 |
throws DataException {
|
539 |
|
540 |
FeatureType type = this.getFeatureStore().getDefaultFeatureType();
|
541 |
JDBCStoreParameters params = this.getParameters();
|
542 |
PerformChangesOperation performChanges = this.getOperations().createPerformChanges(
|
543 |
this.getOperations().createTableReference(params),
|
544 |
type, |
545 |
deleteds, |
546 |
inserteds, |
547 |
updateds, |
548 |
featureTypesChanged |
549 |
); |
550 |
performChanges.perform(); |
551 |
if( performChanges.isTypeChanged() ) {
|
552 |
// Get rules before initializing feature type
|
553 |
FeatureRules saved_rules = getFeatureStore().getDefaultFeatureType().getRules(); |
554 |
|
555 |
// This initialization loses the feature type rules
|
556 |
this.initializeFeatureType();
|
557 |
|
558 |
// Get new feature type, clear rules and add the ones saved previously
|
559 |
FeatureType featureType = getFeatureStore().getDefaultFeatureType(); |
560 |
FeatureRules rules = featureType.getRules(); |
561 |
rules.clear(); |
562 |
for (FeatureRule rule : saved_rules) {
|
563 |
rules.add(rule); |
564 |
} |
565 |
} |
566 |
this.getCountValue().reset();
|
567 |
this.getEnvelopeValue().reset();
|
568 |
} |
569 |
|
570 |
@Override
|
571 |
public boolean supportsAppendMode() { |
572 |
return true; |
573 |
} |
574 |
|
575 |
protected AppendOperation getAppendOperation() throws DataException { |
576 |
if( this.appendOperation == null ) { |
577 |
FeatureType type = this.getFeatureStore().getDefaultFeatureType();
|
578 |
JDBCStoreParameters params = this.getParameters();
|
579 |
this.appendOperation = this.getOperations().createAppend( |
580 |
this.getOperations().createTableReference(params),
|
581 |
type |
582 |
); |
583 |
} |
584 |
return this.appendOperation; |
585 |
} |
586 |
|
587 |
@Override
|
588 |
public void endAppend() throws DataException { |
589 |
this.getAppendOperation().end();
|
590 |
} |
591 |
|
592 |
@Override
|
593 |
public void abortAppend() throws DataException { |
594 |
this.getAppendOperation().abort();
|
595 |
} |
596 |
|
597 |
@Override
|
598 |
public void beginAppend() throws DataException { |
599 |
this.getAppendOperation().begin();
|
600 |
} |
601 |
|
602 |
@Override
|
603 |
public void append(final FeatureProvider featureProvider) throws DataException { |
604 |
this.getAppendOperation().append(featureProvider);
|
605 |
} |
606 |
|
607 |
@Override
|
608 |
public boolean canWriteGeometry(int geometryType, int geometrySubtype) |
609 |
throws DataException {
|
610 |
return this.getHelper().canWriteGeometry(geometryType,geometrySubtype); |
611 |
} |
612 |
} |