1 /* 2 * Copyright 2012 The Netty Project 3 * 4 * The Netty Project licenses this file to you under the Apache License, 5 * version 2.0 (the "License"); you may not use this file except in compliance 6 * with the License. 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, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations 14 * under the License. 15 */ 16 package io.netty.handler.codec.serialization; 17 18 import java.lang.ref.Reference; 19 import java.lang.ref.WeakReference; 20 import java.util.Map; 21 22 final class WeakReferenceMap<K, V> extends ReferenceMap<K, V> { 23 24 WeakReferenceMap(Map<K, Reference<V>> delegate) { 25 super(delegate); 26 } 27 28 @Override 29 Reference<V> fold(V value) { 30 return new WeakReference<V>(value); 31 } 32 33 }