1 package gov.nist.core; 2 3 /* 4 * Copyright 1999-2004 The Apache Software Foundation 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 import java.util.Map; 20 21 /** 22 * This is simply a Map with slightly different semantics. 23 * Instead of returning an Object, it returns a Collection. 24 * So for example, you can put( key, new Integer(1) ); 25 * and then a Object get( key ); will return you a Collection 26 * instead of an Integer. 27 * Thus, this is simply a tag interface. 28 * 29 * @since 2.0 30 * @author Christopher Berry 31 * @author <a href="mailto:jstrachan (at) apache.org">James Strachan</a> 32 */ 33 public interface MultiMap extends Map { 34 35 public Object remove( Object key, Object item ); 36 37 } 38
