Coverage Summary for Class: Runnables (com.google.common.util.concurrent)

1 /*
2  * Copyright (C) 2013 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 com.google.common.annotations.Beta;
18 import com.google.common.annotations.GwtCompatible;
19 
20 /**
21  * Static utility methods pertaining to the {@link Runnable} interface.
22  *
23  * @since 16.0
24  */
25 @Beta
26 @GwtCompatible
27 @ElementTypesAreNonnullByDefault
28 public final class Runnables {
29 
30   private static final Runnable EMPTY_RUNNABLE =
31       new Runnable() {
32         @Override
33         public void run() {}
34       };
35 
36   /** Returns a {@link Runnable} instance that does nothing when run. */
37   public static Runnable doNothing() {
38     return EMPTY_RUNNABLE;
39   }
40 
41   private Runnables() {}
42 }