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 @ 45614
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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.Connection; |
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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 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.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.jdbc.exception.JDBCUpdateWithoutChangesException; |
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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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|
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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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|
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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(Connection 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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|
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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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|
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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(Connection conn) throws DataException { |
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JDBCSQLBuilderBase sqlbuilder = createSQLBuilder(); |
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String sql = getDeleteSQL(sqlbuilder);
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PreparedStatement st = null; |
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Disposable paramsDisposer = null;
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try {
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st = conn.prepareStatement(sql); |
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while (deleteds.hasNext()) {
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FeatureReference reference = (FeatureReference) deleteds.next(); |
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paramsDisposer = sqlbuilder.setParameters(st, reference); |
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int nAffected = JDBCUtils.executeUpdate(st,sql);
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if (nAffected == 0) { |
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throw new JDBCUpdateWithoutChangesException( |
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sqlbuilder.delete().toString(), |
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null
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); |
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} |
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if (nAffected > 1) { |
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LOGGER.warn("Remove statement affectst to {} rows ( {} )",
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nAffected, sql |
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); |
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} |
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} |
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} catch (SQLException e) { |
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throw new JDBCSQLException(e); |
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} finally {
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JDBCUtils.closeQuietly(st); |
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DisposeUtils.disposeQuietly(paramsDisposer); |
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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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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(Connection conn) throws DataException { |
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JDBCSQLBuilderBase sqlbuilder = createSQLBuilder(); |
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String sql = getInsertSQL(sqlbuilder);
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PreparedStatement st;
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Disposable paramsDisposer; |
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try {
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st = conn.prepareStatement(sql); |
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while (inserteds.hasNext()) {
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FeatureProvider feature = inserteds.next(); |
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paramsDisposer = sqlbuilder.setParameters(st, feature); |
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try {
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if (JDBCUtils.executeUpdate(st,sql) == 0) { |
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throw new JDBCExecuteSQLException( |
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sqlbuilder.insert().toString(), |
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null
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); |
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} |
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} finally {
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DisposeUtils.disposeQuietly(paramsDisposer); |
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} |
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} |
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} catch (JDBCExecuteSQLException ex) {
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throw ex;
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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 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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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(Connection conn) throws DataException { |
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JDBCSQLBuilderBase sqlbuilder = createSQLBuilder(); |
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String sql = getUpdateSQL(sqlbuilder);
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PreparedStatement st = null; |
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Disposable paramsDisposer = null;
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try {
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st = conn.prepareStatement(sql); |
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while (updateds.hasNext()) {
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FeatureProvider featureProvider = (FeatureProvider) updateds.next(); |
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paramsDisposer = sqlbuilder.setParameters(st, featureProvider); |
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if (JDBCUtils.executeUpdate(st,sql) == 0) { |
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throw new JDBCUpdateWithoutChangesException(sql,null); |
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} |
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} |
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} catch (SQLException e) { |
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throw new JDBCSQLException(e); |
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} finally {
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JDBCUtils.closeQuietly(st); |
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DisposeUtils.disposeQuietly(paramsDisposer); |
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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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for (FeatureAttributeDescriptor attrOrgiginal : featureTypeSource) {
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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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if( attrOrgiginal.isComputed() ) {
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continue;
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} |
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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.isComputed() ) {
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continue;
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} |
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if( attrTarget.getType()==DataTypes.GEOMETRY ) {
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sqlbuilder.alter_table().alter_geometry_column( |
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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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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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attrTarget.getDefaultValue() |
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); |
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} |
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} |
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} |
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for (FeatureAttributeDescriptor attrTarget : featureTypeTarget) {
|
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if( attrTarget.isComputed() ) {
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continue;
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} |
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if (featureTypeSource.getAttributeDescriptor(attrTarget.getName()) == null) { |
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if( attrTarget.getType()==DataTypes.GEOMETRY ) {
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sqlbuilder.alter_table().add_geometry_column( |
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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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sqlbuilder.alter_table().add_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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attrTarget.getDefaultValue() |
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); |
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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_TABLE, table |
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); |
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List<String> sqls = sqlbuilder.alter_table().toStrings(); |
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sqls.addAll(buildCreateIndexSQL()); |
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return sqls;
|
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} |
| 427 |
|
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protected boolean areEquals(FeatureAttributeDescriptor attr1, FeatureAttributeDescriptor attr2) { |
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// No interesa si son o no iguales en general, solo si son iguales en lo
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// que a los atributos usados para crear la columna de la tabla se refiere.
|
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if( !StringUtils.equals(attr1.getName(), attr2.getName()) ) {
|
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return false; |
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} |
| 434 |
if( attr1.getType() != attr2.getType() ) {
|
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return false; |
| 436 |
} |
| 437 |
if( attr1.getPrecision() != attr2.getPrecision() ) {
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return false; |
| 439 |
} |
| 440 |
if( attr1.getScale() != attr2.getScale() ) {
|
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return false; |
| 442 |
} |
| 443 |
if( attr1.getSize() != attr2.getSize() ) {
|
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return false; |
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} |
| 446 |
if( attr1.isPrimaryKey() != attr2.isPrimaryKey() ) {
|
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return false; |
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} |
| 449 |
// if( attr1.isIndexed() != attr2.isIndexed() ) {
|
| 450 |
// return false;
|
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// }
|
| 452 |
if( attr1.allowNull() != attr2.allowNull() ) {
|
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return false; |
| 454 |
} |
| 455 |
if( attr1.isAutomatic() != attr2.isAutomatic() ) {
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return false; |
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} |
| 458 |
if( attr1.getDefaultValue() != attr2.getDefaultValue() ) {
|
| 459 |
if( attr1.getDefaultValue()==null || attr2.getDefaultValue()==null) { |
| 460 |
return false; |
| 461 |
} |
| 462 |
if( !attr1.getDefaultValue().equals(attr2.getDefaultValue()) ) {
|
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return false; |
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} |
| 465 |
} |
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return true; |
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} |
| 468 |
|
| 469 |
protected List<String> buildCreateIndexSQL() { |
| 470 |
ArrayList<String> sqls = new ArrayList<>(); |
| 471 |
|
| 472 |
for (FeatureAttributeDescriptor attrTarget : featureTypeTarget) {
|
| 473 |
boolean createIndex = false; |
| 474 |
if( attrTarget.isIndexed() ) {
|
| 475 |
FeatureAttributeDescriptor attrOriginal = featureTypeSource.getAttributeDescriptor(attrTarget.getName()); |
| 476 |
if ( attrOriginal == null) { |
| 477 |
createIndex = true;
|
| 478 |
} else {
|
| 479 |
if( attrOriginal.isIndexed() ) {
|
| 480 |
createIndex = false;
|
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} else {
|
| 482 |
createIndex = true;
|
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} |
| 484 |
} |
| 485 |
} |
| 486 |
if( createIndex ) {
|
| 487 |
JDBCSQLBuilderBase sqlbuilder = createSQLBuilder(); |
| 488 |
if( attrTarget.getType()==DataTypes.GEOMETRY ) {
|
| 489 |
sqlbuilder.create_index().spatial(); |
| 490 |
} |
| 491 |
sqlbuilder.create_index().if_not_exist(); |
| 492 |
sqlbuilder.create_index().name("idx_" + table + "_" + attrTarget.getName()); |
| 493 |
sqlbuilder.create_index().column(attrTarget.getName()); |
| 494 |
sqlbuilder.create_index().table() |
| 495 |
.database(this.table.getDatabase())
|
| 496 |
.schema(this.table.getSchema())
|
| 497 |
.name(this.table.getTable());
|
| 498 |
sqlbuilder.setProperties( |
| 499 |
Variable.class, |
| 500 |
PROP_TABLE, table |
| 501 |
); |
| 502 |
sqls.addAll(sqlbuilder.create_index().toStrings()); |
| 503 |
} |
| 504 |
} |
| 505 |
return sqls;
|
| 506 |
} |
| 507 |
|
| 508 |
public void performUpdateTable(Connection conn) throws DataException { |
| 509 |
|
| 510 |
List<String> sqls = this.getUpdateTableSQLs(); |
| 511 |
|
| 512 |
if( !CollectionUtils.isEmpty(sqls) ) {
|
| 513 |
Statement st = null; |
| 514 |
try {
|
| 515 |
st = conn.createStatement(); |
| 516 |
for (String sql : sqls) { |
| 517 |
if( !StringUtils.isBlank(sql) ) {
|
| 518 |
JDBCUtils.execute(st, sql); |
| 519 |
} |
| 520 |
} |
| 521 |
} catch (SQLException e) { |
| 522 |
throw new JDBCSQLException(e); |
| 523 |
} finally {
|
| 524 |
JDBCUtils.closeQuietly(st); |
| 525 |
} |
| 526 |
} |
| 527 |
} |
| 528 |
} |