1 /*
2  * Copyright (C) 2017 The Guava Authors
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5  * in compliance with the License. You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software distributed under the License
10  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11  * or implied. See the License for the specific language governing permissions and limitations under
12  * the License.
13  */
14 
15 package com.google.common.util.concurrent;
16 
17 import java.util.concurrent.TimeUnit;
18 import java.util.concurrent.locks.Condition;
19 import java.util.concurrent.locks.Lock;
20 
21 /** Forwarding wrapper around a {@code Lock}. */
22 abstract class ForwardingLock implements Lock {
delegate()23   abstract Lock delegate();
24 
25   @Override
lock()26   public void lock() {
27     delegate().lock();
28   }
29 
30   @Override
lockInterruptibly()31   public void lockInterruptibly() throws InterruptedException {
32     delegate().lockInterruptibly();
33   }
34 
35   @Override
tryLock()36   public boolean tryLock() {
37     return delegate().tryLock();
38   }
39 
40   @Override
tryLock(long time, TimeUnit unit)41   public boolean tryLock(long time, TimeUnit unit) throws InterruptedException {
42     return delegate().tryLock(time, unit);
43   }
44 
45   @Override
unlock()46   public void unlock() {
47     delegate().unlock();
48   }
49 
50   @Override
newCondition()51   public Condition newCondition() {
52     return delegate().newCondition();
53   }
54 }
55