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 / UpdatePassThroughOperation.java @ 47606
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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.Statement; |
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import org.gvsig.expressionevaluator.Expression; |
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import org.gvsig.fmap.dal.exception.DataException; |
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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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public class UpdatePassThroughOperation extends AbstractConnectionOperation { |
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private final Object[] parameters; |
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private final Expression filter; |
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private final TableReference table; |
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public UpdatePassThroughOperation(
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JDBCHelper helper, |
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TableReference table, |
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Object[] parameters, |
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Expression filter
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) { |
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super(helper);
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this.table = table;
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this.parameters = parameters;
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this.filter = filter;
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} |
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@Override
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public final Object perform(JDBCConnection conn) throws DataException { |
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return execute(this.table, this.parameters, this.filter); |
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} |
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public Object execute( |
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TableReference table, |
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Object[] parameters, |
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Expression filter
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) { |
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Statement st = null; |
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String sql = getSQL(table, parameters, filter);
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try {
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st = this.getConnection().createStatement(sql);
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JDBCUtils.executeUpdate(st, sql); |
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JDBCUtils.closeQuietly(st); |
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return null; |
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} catch (Exception ex) { |
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JDBCUtils.closeQuietly(st); |
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throw new RuntimeException("Can't execute query ["+sql+"].",ex); |
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} |
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} |
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public String getSQL( |
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TableReference table, |
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Object[] parameters, |
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Expression filter) {
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JDBCSQLBuilderBase sqlbuilder = createSQLBuilder(); |
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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 (int i = 0; i < parameters.length-1; i+=2){ |
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String field = (String) parameters[i]; |
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sqlbuilder.update().column().name(field).with_value(sqlbuilder.expression().constant(parameters[i+1]));
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} |
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if(filter != null ){ |
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sqlbuilder.update().where().set(filter.getCode().toValue()); |
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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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} |