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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    *   https://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.SoftReference;
20  import java.util.Map;
21  
22  final class SoftReferenceMap<K, V> extends ReferenceMap<K, V> {
23  
24      SoftReferenceMap(Map<K, Reference<V>> delegate) {
25          super(delegate);
26      }
27  
28      @Override
29      Reference<V> fold(V value) {
30          return new SoftReference<V>(value);
31      }
32  
33  }