1 /* 2 * Copyright (C) 2008 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.common.collect; 18 19 import com.google.common.annotations.GwtCompatible; 20 21 import java.io.Serializable; 22 23 import javax.annotation.Nullable; 24 25 /** 26 * @see com.google.common.collect.Maps#immutableEntry(Object, Object) 27 */ 28 @GwtCompatible(serializable = true) 29 class ImmutableEntry<K, V> extends AbstractMapEntry<K, V> 30 implements Serializable { 31 final K key; 32 final V value; 33 34 ImmutableEntry(@Nullable K key, @Nullable V value) { 35 this.key = key; 36 this.value = value; 37 } 38 39 @Nullable @Override public final K getKey() { 40 return key; 41 } 42 43 @Nullable @Override public final V getValue() { 44 return value; 45 } 46 47 @Override public final V setValue(V value) { 48 throw new UnsupportedOperationException(); 49 } 50 51 private static final long serialVersionUID = 0; 52 } 53
