package org.apache.taverna.scufl2.api.common;

/*
 * 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.
 */


import java.util.ArrayList;
import java.util.List;

import org.apache.taverna.scufl2.api.common.Visitor;
import org.apache.taverna.scufl2.api.common.WorkflowBean;
import org.apache.taverna.scufl2.api.common.Visitor.VisitorWithPath;


public class AllBeansVisitor extends VisitorWithPath implements Visitor {

	private final List<WorkflowBean> allBeans = new ArrayList<WorkflowBean>();
	
	@Override
	public boolean visit() {
		getAllBeans().add(getCurrentNode());
		return true;
	}

	public List<WorkflowBean> getAllBeans() {
		return allBeans;
	}
	
	public static List<WorkflowBean> allBeansFrom(WorkflowBean bean) {
		AllBeansVisitor visitor = new AllBeansVisitor();
		bean.accept(visitor);
		return visitor.getAllBeans();
	}

	
}