1 /*
2 * This file is part of dependency-check-core.
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 * Copyright (c) 2017 Jeremy Long. All Rights Reserved.
17 */
18 package org.owasp.dependencycheck.utils;
19
20 /**
21 * Definition of the shutdown hook used during the unexpected shutdown during
22 * the update process of a resources.
23 *
24 * @author Jeremy Long
25 */
26 @SuppressWarnings("squid:S2134")
27 public abstract class WriteLockShutdownHook extends Thread {
28
29 /**
30 * Adds the shutdown hook.
31 *
32 * @param lock the Write Lock reference
33 */
34 public abstract void add(WriteLock lock);
35
36 /**
37 * Removes the shutdown hook.
38 */
39 public abstract void remove();
40 }