Mercurial > jdk8-mips64-public > jaxws / file comparison
comparison: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/schemagen/MultiMap.java
src/share/jaxws_classes/com/sun/xml/internal/bind/v2/schemagen/MultiMap.java
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| 1 /* | |
| 2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. Oracle designates this | |
| 8 * particular file as subject to the "Classpath" exception as provided | |
| 9 * by Oracle in the LICENSE file that accompanied this code. | |
| 10 * | |
| 11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 * accompanied this code). | |
| 16 * | |
| 17 * You should have received a copy of the GNU General Public License version | |
| 18 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 * | |
| 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 * or visit www.oracle.com if you need additional information or have any | |
| 23 * questions. | |
| 24 */ | |
| 25 | |
| 26 package com.sun.xml.internal.bind.v2.schemagen; | |
| 27 | |
| 28 import java.util.TreeMap; | |
| 29 import java.util.Map; | |
| 30 | |
| 31 /** | |
| 32 * A special {@link Map} that 'conceptually' stores a set of values for each key. | |
| 33 * | |
| 34 * <p> | |
| 35 * When multiple values are stored, however, this class doesn't let the caller | |
| 36 * see individual values, and instead it returns a specially designated "MANY" value, | |
| 37 * which is given as a parameter to the constructor. | |
| 38 * | |
| 39 * @author Kohsuke Kawaguchi | |
| 40 */ | |
| 41 final class MultiMap<K extends Comparable<K>,V> extends TreeMap<K,V> { | |
| 42 private final V many; | |
| 43 | |
| 44 public MultiMap(V many) { | |
| 45 this.many = many; | |
| 46 } | |
| 47 | |
| 48 @Override | |
| 49 public V put(K key, V value) { | |
| 50 V old = super.put(key, value); | |
| 51 if(old!=null && !old.equals(value)) { | |
| 52 // different value stored | |
| 53 super.put(key,many); | |
| 54 } | |
| 55 return old; | |
| 56 } | |
| 57 | |
| 58 @Override | |
| 59 public void putAll(Map<? extends K, ? extends V> map) { | |
| 60 throw new UnsupportedOperationException(); | |
| 61 } | |
| 62 } |
