/*
  Copyright 2010 Intalio Inc

  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.jbpm.workflow.core.node;

import java.io.Serializable;
import java.util.LinkedList;
import java.util.List;

public class DataAssociation implements Serializable {

	private static final long serialVersionUID = 5L;
	
	private List<String> sources;
	private String target;
	private List<Assignment> assignments;
	private Transformation transformation;
	
	public DataAssociation(List<String> sources, String target,
			List<Assignment> assignments, Transformation transformation) {
		if(transformation != null) {
			throw new UnsupportedOperationException("Transformations are not supported");
		}
		this.sources = sources;
		this.target = target;
		this.assignments = assignments;
		this.transformation = transformation;
	}

	@SuppressWarnings("serial")
	public DataAssociation(final String source, String target,
			List<Assignment> assignments, Transformation transformation) {
		this(new LinkedList<String>(){{add(source);}}, target, assignments, transformation);
	}

	public List<String> getSources() {
		return sources;
	}
	public void setSources(List<String> sources) {
		this.sources = sources;
	}
	public String getTarget() {
		return target;
	}
	public void setTarget(String target) {
		this.target = target;
	}
	public List<Assignment> getAssignments() {
		return assignments;
	}
	public void setAssignments(List<Assignment> assignments) {
		this.assignments = assignments;
	}
	public Transformation getTransformation() {
		return transformation;
	}
	public void setTransformation(Transformation transformation) {
		if(transformation != null) {
			throw new UnsupportedOperationException("Transformations are not supported");
		}
//		this.transformation = transformation;
	}
	
}
