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/*
 * The contents of this file are subject to the terms 
 * of the Common Development and Distribution License 
 * (the "License").  You may not use this file except 
 * in compliance with the License.
 * 
 * You can obtain a copy of the license at 
 * glassfish/bootstrap/legal/CDDLv1.0.txt or 
 * https://glassfish.dev.java.net/public/CDDLv1.0.html. 
 * See the License for the specific language governing 
 * permissions and limitations under the License.
 * 
 * When distributing Covered Code, include this CDDL 
 * HEADER in each file and include the License file at 
 * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable, 
 * add the following below this CDDL HEADER, with the 
 * fields enclosed by brackets "[]" replaced with your 
 * own identifying information: Portions Copyright [yyyy] 
 * [name of copyright owner]
 */
// Copyright (c) 1998, 2006, Oracle. All rights reserved.  
package oracle.toplink.essentials.internal.expressions;

import java.io.*;
import java.util.Vector;
import java.util.Collection;

import oracle.toplink.essentials.internal.helper.DatabaseTable;
import oracle.toplink.essentials.internal.sessions.AbstractSession;

/**
 * @author Andrei Ilitchev
 * @since TOPLink/Java 1.0
 */
public class SQLDeleteAllStatementForTempTable extends SQLModifyAllStatementForTempTable {
    protected DatabaseTable targetTable;
    protected Collection targetPrimaryKeyFields;
    
    public void setTargetTable(DatabaseTable targetTable) {
        this.targetTable = targetTable;
    }
    public DatabaseTable getTargetTable() {
        return targetTable;
    }
    public void setTargetPrimaryKeyFields(Collection targetPrimaryKeyFields) {
        this.targetPrimaryKeyFields = targetPrimaryKeyFields;
    }
    public Collection getTargetPrimaryKeyFields() {
        return targetPrimaryKeyFields;
    }

    protected Collection getUsedFields() {
        return new Vector(getPrimaryKeyFields());
    }
    
    protected void writeUpdateOriginalTable(AbstractSession session, Writer writer) throws IOException {
        session.getPlatform().writeDeleteFromTargetTableUsingTempTableSql(writer, getTable(), getTargetTable(),
                                                        new Vector(getPrimaryKeyFields()), 
                                                        new Vector(getTargetPrimaryKeyFields()));
    }
}