/*******************************************************************************
 * Copyright C 2012, The Pistoia Alliance
 * 
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ******************************************************************************/
package org.helm.editor.data;

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

import y.base.Graph;
import y.base.Node;

abstract class MonomerTypeIterator extends AbstractBfsIterator {
	private List<Node> dockNodes;

	public MonomerTypeIterator(Graph graph, Node startNode) {
		super(graph, startNode);
		this.dockNodes = new ArrayList<Node>();
	}

	@Override
	protected void processDockNode(Node node) {
		dockNodes.add(node);
	}

	public List<Node> getDockNodes() {
		if (hasNext()) {
			throw new IllegalStateException();
		}
		return dockNodes;
	}
}
