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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* 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.apache.tuscany.das.rdb.impl;
import java.util.Iterator;
import org.apache.tuscany.das.rdb.Parameter;
import org.apache.tuscany.das.rdb.util.DebugUtil;
import commonj.sdo.DataObject;
/**
*/
public abstract class ChangeOperation {
private final WriteCommandImpl writeCommand;
protected DatabaseObject dObject;
private static final boolean debug = false;
protected String propagatedID = null;
private boolean isInsert = false;
public ChangeOperation(DeleteCommandImpl command) {
writeCommand = command;
}
public ChangeOperation(InsertCommandImpl command, DataObject changedObject) {
writeCommand = command;
dObject = new DatabaseObject(command.getMappingModel(), changedObject);
this.isInsert = true;
}
public ChangeOperation(UpdateCommandImpl command, DataObject changedObject) {
writeCommand = command;
dObject = new DatabaseObject(command.getMappingModel(), changedObject);
}
public void execute() {
DebugUtil.debugln(getClass(), debug, "Executing change operation");
Iterator i = writeCommand.getParameters().iterator();
while (i.hasNext()) {
Parameter parm = (Parameter) i.next();
DebugUtil.debugln(getClass(), debug, "setting " + parm.getName() + " to " + dObject.get(parm.getName()));
parm.setValue(dObject.get(parm.getName()));
}
writeCommand.execute();
if ( isInsert && ( propagatedID != null )) {
DebugUtil.debugln(getClass(), debug, "Propagating key " + propagatedID);
int id = writeCommand.getGeneratedKey();
dObject.setPropagatedID(propagatedID, id);
}
}
public String getTableName() {
return dObject.getTableName();
}
}
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