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 / operations / PerformChangesOperation.java @ 46714
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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.operations; |
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import java.sql.PreparedStatement; |
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import java.sql.SQLException; |
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import java.sql.Statement; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Objects; |
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import org.apache.commons.collections.CollectionUtils; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gvsig.expressionevaluator.ExpressionBuilder; |
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import org.gvsig.expressionevaluator.ExpressionBuilder.Parameter; |
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import org.gvsig.expressionevaluator.ExpressionBuilder.Variable; |
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import org.gvsig.expressionevaluator.ExpressionUtils; |
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import org.gvsig.expressionevaluator.GeometryExpressionBuilder; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureReference; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.FeatureType.FeatureTypeChanged; |
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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.store.jdbc.exception.JDBCExecuteSQLException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
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import org.gvsig.fmap.dal.store.jdbc2.JDBCConnection; |
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import org.gvsig.fmap.dal.store.jdbc2.JDBCHelper; |
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import org.gvsig.fmap.dal.store.jdbc2.JDBCUtils; |
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import org.gvsig.fmap.dal.store.jdbc2.OperationsFactory.TableReference; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase; |
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import static org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase.PROP_FEATURE_TYPE; |
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import static org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase.PROP_TABLE; |
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import org.gvsig.tools.dispose.Disposable; |
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import org.gvsig.tools.dispose.DisposeUtils; |
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import org.gvsig.tools.util.Invocable; |
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|
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@SuppressWarnings("UseSpecificCatch") |
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public class PerformChangesOperation extends AbstractConnectionWritableOperation { |
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protected TableReference table;
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protected FeatureType featureType;
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protected FeatureType featureTypeSource;
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protected FeatureType featureTypeTarget;
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protected Iterator<FeatureReferenceProviderServices> deleteds; |
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protected Iterator<FeatureProvider> updateds; |
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protected Iterator<FeatureProvider> inserteds; |
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protected boolean typeChanged = false; |
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public PerformChangesOperation(JDBCHelper helper) {
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this(helper, null, null, null, null, null, null); |
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} |
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public PerformChangesOperation(JDBCHelper helper,
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TableReference table, |
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FeatureType featureType, |
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Iterator<FeatureReferenceProviderServices> deleteds,
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Iterator<FeatureProvider> inserteds,
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Iterator<FeatureProvider> updateds,
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Iterator<FeatureTypeChanged> featureTypesChanged) {
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super(helper);
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this.deleteds = deleteds;
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this.inserteds = inserteds;
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this.updateds = updateds;
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this.table = table;
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this.featureType = featureType;
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if (featureTypesChanged.hasNext()) {
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FeatureTypeChanged item = featureTypesChanged.next(); |
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this.featureTypeSource = item.getSource();
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this.featureTypeTarget = item.getTarget();
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typeChanged = true;
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} else {
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this.featureTypeSource = null; |
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this.featureTypeTarget = null; |
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typeChanged = false;
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} |
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} |
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public boolean isTypeChanged() { |
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return typeChanged;
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} |
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@Override
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public Object perform(JDBCConnection conn) throws DataException { |
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if (typeChanged) {
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this.performUpdateTable(conn);
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} |
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if (inserteds.hasNext()) {
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performInserts(conn); |
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} |
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if (updateds.hasNext()) {
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performUpdates(conn); |
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} |
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if (deleteds.hasNext()) {
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performDeletes(conn); |
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} |
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return true; |
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} |
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public String getDeleteSQL() { |
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JDBCSQLBuilderBase sqlbuilder = createSQLBuilder(); |
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return this.getDeleteSQL(sqlbuilder); |
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} |
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public String getDeleteSQL(JDBCSQLBuilderBase sqlbuilder) { |
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ExpressionBuilder expbuilder = sqlbuilder.expression(); |
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sqlbuilder.delete().table() |
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.database(this.table.getDatabase())
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.schema(this.table.getSchema())
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.name(this.table.getTable());
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for (FeatureAttributeDescriptor attr : this.featureType) { |
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if (attr.isPrimaryKey()) {
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sqlbuilder.delete().where().and( |
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expbuilder.eq( |
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expbuilder.column(attr.getName()), |
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expbuilder.parameter(attr.getName()).as_variable() |
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) |
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); |
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} |
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} |
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if (!sqlbuilder.delete().has_where() ) {
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throw new RuntimeException("Operation requires missing pk"); |
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} |
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sqlbuilder.setProperties( |
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Variable.class, |
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PROP_TABLE, table |
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); |
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String sql = sqlbuilder.delete().toString();
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return sql;
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} |
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public void performDeletes(JDBCConnection conn) throws DataException { |
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JDBCSQLBuilderBase sqlbuilder = createSQLBuilder(); |
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String sql = getDeleteSQL(sqlbuilder);
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perform_batchmode(conn, this.deleteds, sqlbuilder, sql, new Invocable() { |
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@Override
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public Object call(Object... args) { |
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JDBCSQLBuilderBase sqlbuilder = (JDBCSQLBuilderBase) args[0];
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PreparedStatement preparedStatement = (PreparedStatement) args[1]; |
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FeatureReference reference = (FeatureReference) args[2];
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Disposable theParametersDisposable = sqlbuilder.setParameters(preparedStatement, reference); |
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return theParametersDisposable;
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} |
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}); |
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} |
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public String getInsertSQL() { |
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JDBCSQLBuilderBase sqlbuilder = createSQLBuilder(); |
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return this.getInsertSQL(sqlbuilder); |
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} |
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public String getInsertSQL(JDBCSQLBuilderBase sqlbuilder) { |
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GeometryExpressionBuilder expbuilder = sqlbuilder.expression(); |
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sqlbuilder.insert().table() |
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.database(this.table.getDatabase())
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.schema(this.table.getSchema())
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.name(this.table.getTable());
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for (FeatureAttributeDescriptor attr : this.featureType) { |
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// Cuando insertamos registros hay que permitir meter un valor
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// en la claves automaticas. Es responsable de quien los inserta,
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// en caso de que no meta nulos, que se asegure que no hay valores
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// duplicados, ya que que de haberlos fallara el insert.
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if( /*attr.isAutomatic() ||*/ attr.isComputed() ) { |
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continue;
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} |
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if (attr.getType() == DataTypes.GEOMETRY) {
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sqlbuilder.insert().column().name(attr.getName()).with_value( |
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expbuilder.parameter(attr.getName()).as_variable() |
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.srs( |
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expbuilder.parameter().value( |
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attr.getSRS()).as_constant() |
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) |
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); |
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} else {
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sqlbuilder.insert().column().name(attr.getName()).with_value( |
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expbuilder.parameter(attr.getName()) |
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); |
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} |
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} |
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sqlbuilder.setProperties( |
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Variable.class, |
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PROP_FEATURE_TYPE, featureType, |
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PROP_TABLE, table |
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); |
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sqlbuilder.setProperties( |
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Parameter.class, |
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PROP_FEATURE_TYPE, featureType, |
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PROP_TABLE, table |
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); |
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String sql = sqlbuilder.insert().toString();
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return sql;
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} |
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public void performInserts(JDBCConnection conn) throws DataException { |
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JDBCSQLBuilderBase sqlbuilder = createSQLBuilder(); |
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String sql = getInsertSQL(sqlbuilder);
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perform_batchmode(conn, this.inserteds, sqlbuilder, sql, new Invocable() { |
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@Override
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public Object call(Object... args) { |
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JDBCSQLBuilderBase sqlbuilder = (JDBCSQLBuilderBase) args[0];
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PreparedStatement preparedStatement = (PreparedStatement) args[1]; |
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FeatureProvider feature = (FeatureProvider) args[2];
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Disposable theParametersDisposable = sqlbuilder.setParameters(preparedStatement, feature); |
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return theParametersDisposable;
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} |
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}); |
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} |
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public String getUpdateSQL() { |
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JDBCSQLBuilderBase sqlbuilder = createSQLBuilder(); |
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return this.getUpdateSQL(sqlbuilder); |
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} |
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public String getUpdateSQL(JDBCSQLBuilderBase sqlbuilder) { |
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if(!this.featureType.hasPrimaryKey()) { |
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throw new RuntimeException("Operation requires missing pk"); |
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} |
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GeometryExpressionBuilder expbuilder = sqlbuilder.expression(); |
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sqlbuilder.update().table() |
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.database(this.table.getDatabase())
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.schema(this.table.getSchema())
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.name(this.table.getTable());
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for (FeatureAttributeDescriptor attr : this.featureType) { |
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if (attr.isPrimaryKey()) {
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sqlbuilder.update().where().and( |
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expbuilder.eq( |
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expbuilder.column(attr.getName()), |
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expbuilder.parameter(attr.getName()).as_variable() |
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) |
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); |
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continue;
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} |
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if ( attr.isAutomatic() || attr.isReadOnly() || attr.isComputed() ) {
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continue;
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} |
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if (attr.getType() == DataTypes.GEOMETRY) {
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if (attr.getSRS()==null) { |
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throw new RuntimeException("Geometries with null srs are not valid. SRS is required in "+this.table.toString()+"in the field:"+attr.getName()); |
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} |
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sqlbuilder.update().column().name(attr.getName()).with_value( |
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expbuilder.parameter(attr.getName()).as_geometry_variable().srs( |
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expbuilder.parameter().value(attr.getSRS()).as_constant() |
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) |
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); |
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} else {
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sqlbuilder.update().column().name(attr.getName()).with_value( |
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expbuilder.parameter(attr.getName()).as_variable() |
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); |
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} |
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} |
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if (!sqlbuilder.update().has_where() ) {
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throw new RuntimeException("Operation requires missing pk"); |
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} |
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sqlbuilder.setProperties( |
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Variable.class, |
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PROP_FEATURE_TYPE, this.featureType,
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PROP_TABLE, table |
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); |
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sqlbuilder.setProperties( |
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Parameter.class, |
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PROP_FEATURE_TYPE, featureType, |
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PROP_TABLE, table |
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); |
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String sql = sqlbuilder.update().toString();
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return sql;
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} |
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public void performUpdates(JDBCConnection conn) throws DataException { |
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JDBCSQLBuilderBase sqlbuilder = createSQLBuilder(); |
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String sql = getUpdateSQL(sqlbuilder);
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perform_batchmode(conn, this.updateds, sqlbuilder, sql, new Invocable() { |
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@Override
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public Object call(Object... args) { |
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JDBCSQLBuilderBase sqlbuilder = (JDBCSQLBuilderBase) args[0];
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PreparedStatement preparedStatement = (PreparedStatement) args[1]; |
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FeatureProvider feature = (FeatureProvider) args[2];
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Disposable theParametersDisposable = sqlbuilder.setParameters(preparedStatement, feature); |
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return theParametersDisposable;
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} |
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}); |
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} |
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|
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private void perform_batchmode(JDBCConnection conn, Iterator elements, JDBCSQLBuilderBase sqlbuilder, String sql, Invocable fillPreparedStatement) throws DataException { |
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PreparedStatement preparedStatement;
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Disposable[] disposableParameters;
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int batchSize = this.helper.getConnectionParameters().getBatchSize(); |
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if( batchSize==0 ) { |
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try {
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preparedStatement = conn.prepareStatement(sql); |
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while (elements.hasNext()) {
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Object element = elements.next();
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Disposable theParametersDisposable = (Disposable) fillPreparedStatement.call(sqlbuilder,preparedStatement, element ); |
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JDBCUtils.execute(preparedStatement, sql); |
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DisposeUtils.disposeQuietly(theParametersDisposable); |
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} |
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} catch (Exception ex) { |
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throw new JDBCExecuteSQLException(sql + " ("+Objects.toString(elements)+")",ex); |
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} |
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} else {
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try {
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preparedStatement = conn.prepareStatement(sql); |
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if( batchSize<1 ) { |
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batchSize = 200;
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} |
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int batchCount = 0; |
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disposableParameters = new Disposable[batchSize];
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while (elements.hasNext()) {
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Object element = elements.next();
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Disposable theParametersDisposable = (Disposable) fillPreparedStatement.call(sqlbuilder,preparedStatement, element ); |
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JDBCUtils.addBatch(preparedStatement,sql); |
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disposableParameters[batchCount++] = theParametersDisposable; |
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if( batchCount >= batchSize || (!elements.hasNext() && batchCount>0) ) { |
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int[] status = JDBCUtils.executeBatch(preparedStatement,sql); |
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preparedStatement.clearParameters(); |
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preparedStatement.clearBatch(); |
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for (int i = 0; i < batchCount && i < disposableParameters.length; i++) { |
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DisposeUtils.dispose(disposableParameters[i]); |
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disposableParameters[i] = null;
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} |
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batchCount = 0;
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for (int n : status) { |
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if( n<=Statement.EXECUTE_FAILED ) { //-3 |
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throw new RuntimeException("Can't process element (n="+n+")."); |
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} |
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} |
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} |
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} |
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} catch (Exception ex) { |
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throw new JDBCExecuteSQLException(sql,ex); |
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} |
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} |
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} |
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public List<String> getUpdateTableSQLs() { |
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JDBCSQLBuilderBase sqlbuilder = createSQLBuilder(); |
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sqlbuilder.alter_table().table() |
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.database(this.table.getDatabase())
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.schema(this.table.getSchema())
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.name(this.table.getTable());
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|
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// Primero comprobamos si hay que eliminar la primary-key o algun indice
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for (FeatureAttributeDescriptor attrOrgiginal : featureTypeSource) {
|
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if( attrOrgiginal.isComputed() ) {
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continue;
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} |
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FeatureAttributeDescriptor attrTarget = featureTypeTarget.getAttributeDescriptor( |
| 383 |
attrOrgiginal.getName() |
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); |
| 385 |
if (attrTarget == null) { |
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continue;
|
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} |
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if( attrOrgiginal.isPrimaryKey() && !attrTarget.isPrimaryKey() ) {
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sqlbuilder.alter_table().drop_primary_key(attrTarget.getName()); |
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} |
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} |
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|
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// Comprobamos si hay que eliminar o modificar alguna columna existente
|
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for (FeatureAttributeDescriptor attrOrgiginal : featureTypeSource) {
|
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if( attrOrgiginal.isComputed() ) {
|
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continue;
|
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} |
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FeatureAttributeDescriptor attrTarget = featureTypeTarget.getAttributeDescriptor( |
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attrOrgiginal.getName() |
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); |
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if (attrTarget == null) { |
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sqlbuilder.alter_table().drop_column(attrOrgiginal.getName()); |
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} else if( !this.areEquals(attrOrgiginal, attrTarget) ) { |
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if( attrTarget.getType()==DataTypes.GEOMETRY ) {
|
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sqlbuilder.alter_table().alter_geometry_column( |
| 406 |
attrTarget.getName(), |
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attrTarget.getGeomType().getType(), |
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attrTarget.getGeomType().getSubType(), |
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attrTarget.getSRS(), |
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attrTarget.isIndexed(), |
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attrTarget.allowNull() |
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); |
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} else {
|
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Object defaultValue = attrTarget.getDefaultValue();
|
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if( defaultValue instanceof CharSequence ) { |
| 416 |
if( ExpressionUtils.isDynamicText(defaultValue.toString())) {
|
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defaultValue = null;
|
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} |
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} |
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sqlbuilder.alter_table().alter_column( |
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attrTarget.getName(), |
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attrTarget.getType(), |
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attrTarget.getSize(), |
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attrTarget.getPrecision(), |
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attrTarget.getScale(), |
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attrTarget.isPrimaryKey(), |
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attrTarget.isIndexed(), |
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attrTarget.allowNull(), |
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attrTarget.isAutomatic(), |
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defaultValue |
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); |
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} |
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} |
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} |
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|
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// Por ultimi comprobamos si hay que anadir alguna columna nueva.
|
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for (FeatureAttributeDescriptor attrTarget : featureTypeTarget) {
|
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if( attrTarget.isComputed() ) {
|
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continue;
|
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} |
| 441 |
FeatureAttributeDescriptor attrOrgiginal = featureTypeSource.getAttributeDescriptor( |
| 442 |
attrTarget.getName() |
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); |
| 444 |
if (attrOrgiginal == null) { |
| 445 |
if( attrTarget.getType()==DataTypes.GEOMETRY ) {
|
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sqlbuilder.alter_table().add_geometry_column( |
| 447 |
attrTarget.getName(), |
| 448 |
attrTarget.getGeomType().getType(), |
| 449 |
attrTarget.getGeomType().getSubType(), |
| 450 |
attrTarget.getSRS(), |
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attrTarget.isIndexed(), |
| 452 |
attrTarget.allowNull() |
| 453 |
); |
| 454 |
} else {
|
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Object defaultValue = attrTarget.getDefaultValue();
|
| 456 |
if( defaultValue instanceof CharSequence ) { |
| 457 |
if( ExpressionUtils.isDynamicText(defaultValue.toString())) {
|
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defaultValue = null;
|
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} |
| 460 |
} |
| 461 |
sqlbuilder.alter_table().add_column( |
| 462 |
attrTarget.getName(), |
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attrTarget.getType(), |
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attrTarget.getSize(), |
| 465 |
attrTarget.getPrecision(), |
| 466 |
attrTarget.getScale(), |
| 467 |
attrTarget.isPrimaryKey(), |
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attrTarget.isIndexed(), |
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attrTarget.allowNull(), |
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attrTarget.isAutomatic(), |
| 471 |
defaultValue |
| 472 |
); |
| 473 |
} |
| 474 |
} |
| 475 |
} |
| 476 |
|
| 477 |
sqlbuilder.setProperties( |
| 478 |
Variable.class, |
| 479 |
PROP_TABLE, table |
| 480 |
); |
| 481 |
List<String> sqls = sqlbuilder.alter_table().toStrings(); |
| 482 |
sqls.addAll(buildCreateIndexSQL()); |
| 483 |
return sqls;
|
| 484 |
} |
| 485 |
|
| 486 |
protected boolean areEquals(FeatureAttributeDescriptor attr1, FeatureAttributeDescriptor attr2) { |
| 487 |
// No interesa si son o no iguales en general, solo si son iguales en lo
|
| 488 |
// que a los atributos usados para crear la columna de la tabla se refiere.
|
| 489 |
if( !StringUtils.equals(attr1.getName(), attr2.getName()) ) {
|
| 490 |
return false; |
| 491 |
} |
| 492 |
if( attr1.getType() != attr2.getType() ) {
|
| 493 |
return false; |
| 494 |
} |
| 495 |
if( attr1.getPrecision() != attr2.getPrecision() ) {
|
| 496 |
return false; |
| 497 |
} |
| 498 |
if( attr1.getScale() != attr2.getScale() ) {
|
| 499 |
return false; |
| 500 |
} |
| 501 |
if( attr1.getSize() != attr2.getSize() ) {
|
| 502 |
return false; |
| 503 |
} |
| 504 |
if( attr1.isPrimaryKey() != attr2.isPrimaryKey() ) {
|
| 505 |
return false; |
| 506 |
} |
| 507 |
// if( attr1.isIndexed() != attr2.isIndexed() ) {
|
| 508 |
// return false;
|
| 509 |
// }
|
| 510 |
if( attr1.allowNull() != attr2.allowNull() ) {
|
| 511 |
return false; |
| 512 |
} |
| 513 |
if( attr1.isAutomatic() != attr2.isAutomatic() ) {
|
| 514 |
return false; |
| 515 |
} |
| 516 |
if( attr1.getDefaultValue() != attr2.getDefaultValue() ) {
|
| 517 |
if( attr1.getDefaultValue()==null || attr2.getDefaultValue()==null) { |
| 518 |
return false; |
| 519 |
} |
| 520 |
if( !attr1.getDefaultValue().equals(attr2.getDefaultValue()) ) {
|
| 521 |
return false; |
| 522 |
} |
| 523 |
} |
| 524 |
return true; |
| 525 |
} |
| 526 |
|
| 527 |
protected List<String> buildCreateIndexSQL() { |
| 528 |
ArrayList<String> sqls = new ArrayList<>(); |
| 529 |
|
| 530 |
for (FeatureAttributeDescriptor attrTarget : featureTypeTarget) {
|
| 531 |
boolean createIndex;
|
| 532 |
boolean dropIndex;
|
| 533 |
FeatureAttributeDescriptor attrOriginal = featureTypeSource.getAttributeDescriptor(attrTarget.getName()); |
| 534 |
if( attrOriginal != null ) { |
| 535 |
createIndex = (attrTarget.isIndexed() && !attrOriginal.isIndexed()); |
| 536 |
dropIndex = (!attrTarget.isIndexed() && attrOriginal.isIndexed()); |
| 537 |
} else {
|
| 538 |
createIndex = attrTarget.isIndexed(); |
| 539 |
dropIndex = false;
|
| 540 |
} |
| 541 |
if( createIndex ) {
|
| 542 |
JDBCSQLBuilderBase sqlbuilder = createSQLBuilder(); |
| 543 |
if( attrTarget.getType()==DataTypes.GEOMETRY ) {
|
| 544 |
sqlbuilder.create_index().spatial(); |
| 545 |
} |
| 546 |
sqlbuilder.create_index().if_not_exist(); |
| 547 |
sqlbuilder.create_index().name(table.getTable(), attrTarget.getName()); |
| 548 |
sqlbuilder.create_index().column(attrTarget.getName()); |
| 549 |
sqlbuilder.create_index().table() |
| 550 |
.database(this.table.getDatabase())
|
| 551 |
.schema(this.table.getSchema())
|
| 552 |
.name(this.table.getTable());
|
| 553 |
sqlbuilder.setProperties( |
| 554 |
Variable.class, |
| 555 |
PROP_TABLE, table |
| 556 |
); |
| 557 |
sqls.addAll(sqlbuilder.create_index().toStrings()); |
| 558 |
} else if( dropIndex ) { |
| 559 |
JDBCSQLBuilderBase sqlbuilder = createSQLBuilder(); |
| 560 |
sqlbuilder.drop_index().if_not_exist(); |
| 561 |
sqlbuilder.drop_index().name( table.getTable(), attrTarget.getName()); |
| 562 |
} |
| 563 |
} |
| 564 |
return sqls;
|
| 565 |
} |
| 566 |
|
| 567 |
public void performUpdateTable(JDBCConnection conn) throws DataException { |
| 568 |
|
| 569 |
List<String> sqls = this.getUpdateTableSQLs(); |
| 570 |
|
| 571 |
if( !CollectionUtils.isEmpty(sqls) ) {
|
| 572 |
Statement st = null; |
| 573 |
String currentsql = null; |
| 574 |
try {
|
| 575 |
st = conn.createStatement(); |
| 576 |
for (String sql : sqls) { |
| 577 |
currentsql = sql; |
| 578 |
if( !StringUtils.isBlank(sql) ) {
|
| 579 |
JDBCUtils.execute(st, sql); |
| 580 |
} |
| 581 |
} |
| 582 |
} catch (SQLException e) { |
| 583 |
throw new JDBCSQLException(e,currentsql); |
| 584 |
} finally {
|
| 585 |
JDBCUtils.closeQuietly(st); |
| 586 |
} |
| 587 |
} |
| 588 |
} |
| 589 |
} |