/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.foundation.ie;

import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;

import org.openflexo.foundation.ie.cl.ComponentDefinition;
import org.openflexo.foundation.ie.cl.OperationComponentDefinition;
import org.openflexo.foundation.rm.FlexoProject;

public class ProjectInstanceTree {

	private Hashtable<ComponentDefinition, Vector<InstanceTree>> bigMap;
	private FlexoProject _project;

	public ProjectInstanceTree(FlexoProject prj) {
		super();
		_project = prj;
		bigMap = new Hashtable<ComponentDefinition, Vector<InstanceTree>>();
		Enumeration<OperationComponentDefinition> en = prj.getAllInstanciatedOperationComponentDefinition().elements();
		OperationComponentInstanceTree temp = null;
		OperationComponentDefinition opcd = null;
		while (en.hasMoreElements()) {
			temp = new OperationComponentInstanceTree(en.nextElement(), this);
		}
	}

	public void registerInstance(InstanceTree tree) {
		if (bigMap.get(tree.getComponentDefinition()) == null) {
			bigMap.put(tree.getComponentDefinition(), new Vector<InstanceTree>());
		}
		if (!bigMap.get(tree.getComponentDefinition()).contains(tree)) {
			bigMap.get(tree.getComponentDefinition()).add(tree);
		}
	}

	public Vector<OperationComponentInstance> getAllOperationsWhereComponentIsUsed(ComponentDefinition cd) {
		Vector<OperationComponentInstance> reply = new Vector<OperationComponentInstance>();
		Vector<InstanceTree> instances = bigMap.get(cd);
		if (instances != null && instances.size() > 0) {
			InstanceTree t = null;
			Enumeration<InstanceTree> en = instances.elements();
			while (en.hasMoreElements()) {
				t = en.nextElement();
				if (!reply.contains(t.getOperationComponentInstance())) {
					reply.add(t.getOperationComponentInstance());
				}
			}
		}

		return reply;
	}

}