1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27 package org.apache.hc.client5.http.impl.cache;
28
29 import java.lang.ref.PhantomReference;
30 import java.lang.ref.ReferenceQueue;
31
32 import org.apache.hc.client5.http.cache.HttpCacheEntry;
33 import org.apache.hc.client5.http.cache.Resource;
34 import org.apache.hc.core5.util.Args;
35
36 class ResourceReference extends PhantomReference<HttpCacheEntry> {
37
38 private final Resource resource;
39
40 public ResourceReference(final HttpCacheEntry entry, final ReferenceQueue<HttpCacheEntry> q) {
41 super(entry, q);
42 Args.notNull(entry.getResource(), "Resource");
43 this.resource = entry.getResource();
44 }
45
46 public Resource getResource() {
47 return this.resource;
48 }
49
50 @Override
51 public int hashCode() {
52 return this.resource.hashCode();
53 }
54
55 @Override
56 public boolean equals(final Object obj) {
57 return this.resource.equals(obj);
58 }
59
60 }