001    /*--------------------------------------------------------------------------+
002    $Id: IdManager.java 26283 2010-02-18 11:18:57Z juergens $
003    |                                                                          |
004    | Copyright 2005-2010 Technische Universitaet Muenchen                     |
005    |                                                                          |
006    | Licensed under the Apache License, Version 2.0 (the "License");          |
007    | you may not use this file except in compliance with the License.         |
008    | You may obtain a copy of the License at                                  |
009    |                                                                          |
010    |    http://www.apache.org/licenses/LICENSE-2.0                            |
011    |                                                                          |
012    | Unless required by applicable law or agreed to in writing, software      |
013    | distributed under the License is distributed on an "AS IS" BASIS,        |
014    | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
015    | See the License for the specific language governing permissions and      |
016    | limitations under the License.                                           |
017    +--------------------------------------------------------------------------*/
018    package edu.tum.cs.commons.collections;
019    
020    import java.util.HashMap;
021    
022    /**
023     * This class assigns unique ids to objects. The id creation is based on
024     * <code>hashCode()/equals()</code>-semantics.
025     * 
026     * <p>
027     * Note that obtaining a unique id from this class for an object prevents it
028     * from being garbage collected.
029     * 
030     * 
031     * @author Florian Deissenboeck
032     * @author $Author: juergens $
033     * @version $Rev: 26283 $
034     * @levd.rating GREEN Hash: 7F64443CA2D3CBFBBC675E2EE57487E7
035     */
036    public class IdManager<K> extends IdManagerBase<K> {
037    
038        /**
039         * Create new id manager
040         * 
041         */
042        public IdManager() {
043            super(new HashMap<K, Integer>());
044        }
045    
046    }