/*
* Copyright 2005 Werner Guttmann
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.castor.cpa.persistence.sql.driver;
import org.exolab.castor.persist.spi.PersistenceFactory;
/**
* QueryExpression for Progress RDBMS.
*
* @author <a href="werner DOT guttmann AT gmx DOT net">Werner Guttmann</a>
* @version $Revision: 5951 $ $Date: 2004-09-08 03:37:54 -0600 (Wed, 08 Sep 2004) $
*/
public final class ProgressQueryExpression extends JDBCQueryExpression {
/**
* Creates an instance of this class.
*
* @param factory The persistence factory to be assigned against.
*/
public ProgressQueryExpression(final PersistenceFactory factory) {
super(factory);
}
/**
* @inheritDoc
* @see org.exolab.castor.persist.spi.QueryExpression#getStatement(boolean)
*/
public String getStatement(final boolean lock) {
StringBuffer sql;
sql = getStandardStatement(lock, false);
// // support for LIMIT clause
// if (_limit != null) {
// // TODO[WG]: investigate whether Progress has support for LIMIT clauses
// // sql.append(_limit);
// }
// if (lock) {
// // TODO[WG]: investigate whether Progress has support for ROW level locking
// // sql.append(" FOR UPDATE");
// }
return sql.toString();
}
/**
* @inheritDoc
* @see org.exolab.castor.persist.spi.QueryExpression#isLimitClauseSupported()
*/
public boolean isLimitClauseSupported() {
return false;
}
}