taverna-edits-api/src/main/java/org/apache/taverna/workflow/edits/SetIterationStrategyStackEdit.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.taverna.workflow.edits;

import org.apache.taverna.scufl2.api.core.Processor;
import org.apache.taverna.scufl2.api.iterationstrategy.IterationStrategyStack;

/**
 * Set the iteration strategy
 * 
 * @author Stian Soiland-Reyes
 */
public class SetIterationStrategyStackEdit extends AbstractEdit<Processor> {
	private final IterationStrategyStack iterationStrategyStack;
	private IterationStrategyStack oldStrategyStack;

	public SetIterationStrategyStackEdit(Processor processor,
			IterationStrategyStack iterationStrategyStack) {
		super(processor);
		this.iterationStrategyStack = iterationStrategyStack;
	}

	@Override
	protected void doEditAction(Processor processor) {
		oldStrategyStack = processor.getIterationStrategyStack();
		processor.setIterationStrategyStack(iterationStrategyStack);
	}

	@Override
	protected void undoEditAction(Processor processor) {
		processor.setIterationStrategyStack(oldStrategyStack);
	}
}