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      1 // GenericsNote: Converted.
      2 /*
      3  *  Copyright 2003-2004 The Apache Software Foundation
      4  *
      5  *  Licensed under the Apache License, Version 2.0 (the "License");
      6  *  you may not use this file except in compliance with the License.
      7  *  You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  */
     17 package org.jivesoftware.smack.util.collections;
     18 
     19 import java.util.Map;
     20 
     21 /**
     22  * Defines a map that can be iterated directly without needing to create an entry set.
     23  * <p/>
     24  * A map iterator is an efficient way of iterating over maps.
     25  * There is no need to access the entry set or cast to Map Entry objects.
     26  * <pre>
     27  * IterableMap map = new HashedMap();
     28  * MapIterator it = map.mapIterator();
     29  * while (it.hasNext()) {
     30  *   Object key = it.next();
     31  *   Object value = it.getValue();
     32  *   it.setValue("newValue");
     33  * }
     34  * </pre>
     35  *
     36  * @author Matt Hall, John Watkinson, Stephen Colebourne
     37  * @version $Revision: 1.1 $ $Date: 2005/10/11 17:05:19 $
     38  * @since Commons Collections 3.0
     39  */
     40 public interface IterableMap <K,V> extends Map<K, V> {
     41 
     42     /**
     43      * Obtains a <code>MapIterator</code> over the map.
     44      * <p/>
     45      * A map iterator is an efficient way of iterating over maps.
     46      * There is no need to access the entry set or cast to Map Entry objects.
     47      * <pre>
     48      * IterableMap map = new HashedMap();
     49      * MapIterator it = map.mapIterator();
     50      * while (it.hasNext()) {
     51      *   Object key = it.next();
     52      *   Object value = it.getValue();
     53      *   it.setValue("newValue");
     54      * }
     55      * </pre>
     56      *
     57      * @return a map iterator
     58      */
     59     MapIterator<K, V> mapIterator();
     60 
     61 }
     62