/*

* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

package com.nokia.carbide.internal.cpp.epoc.engine.model;

import com.nokia.carbide.internal.api.cpp.epoc.engine.dom.IASTStatement;

import java.util.*;

/**

 * This is a set of objects that uses a converter class to measure equality.

 * @see StructuredItemListConverter#elementMatches(Object, Object)

 */

public class ConvertedModelSet<ModelType, NodeType extends IASTStatement> {

	private StructuredItemListConverter<NodeType, ModelType> converter;

	private ArrayList<ModelType> contents;

	/**

	 * @param converter

	 */

	public ConvertedModelSet(

			StructuredItemListConverter<NodeType, ModelType> converter) {

		this.converter = converter;

		this.contents = new ArrayList<ModelType>();

	}

	public void add(ModelType model) {

		if (!contains(model))

			contents.add(model);

	}

	public boolean equals(Object other) {

		if (!(other instanceof ConvertedModelSet))

			return false;

		ConvertedModelSet<ModelType, NodeType> otherSet = (ConvertedModelSet<ModelType, NodeType>) other;

		if (otherSet.contents.size() != contents.size())

			return false;

		for (ModelType content : contents) {

			if (!otherSet.contains(content))

				return false;

		}

		return true;

	}

	public boolean contains(ModelType model) {

		for (ModelType content : contents) {

			if (content == model || converter.elementMatches(model, content))

				return true;

		}

		return false;

	}

	/**

	 * @return

	 */

	public int size() {

		return contents.size();

	}

	public void clear() {

		contents.clear();

	}

}