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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.ArrayList;
import java.util.Iterator;
/**
* Mangages a set of graph-change operations. This simple implementaiton can be
* replaced with a version that provides R/I sorting
*
*/
public class Changes {
private InsertList inserts = new InsertList();
private UpdateList updates = new UpdateList();
private DeleteList deletes = new DeleteList();
public void addInsert(ChangeOperation c) {
inserts.add(c);
}
public void addUpdate(ChangeOperation c) {
updates.add(c);
}
public void addDelete(ChangeOperation c) {
deletes.add(c);
}
/**
* Execute all my change
*/
public void execute() {
Iterator i = inserts.getSortedList().iterator();
while ( i.hasNext() ) {
ChangeOperation c = (ChangeOperation) i.next();
c.execute();
}
i = updates.getSortedList().iterator();
while ( i.hasNext() ) {
ChangeOperation c = (ChangeOperation) i.next();
c.execute();
}
i = deletes.getSortedList().iterator();
while (i.hasNext() ) {
ChangeOperation c = (ChangeOperation) i.next();
c.execute();
}
}
public void setInsertOrder(ArrayList insertOrder) {
inserts.setOrder(insertOrder);
}
public void setDeleteOrder(ArrayList deleteOrder) {
deletes.setOrder(deleteOrder);
}
}
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