1/*
2 * Copyright (C) 2012 The Guava Authors
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
17package com.google.common.cache;
18
19/**
20 * GWT emulated version of LongAdder.
21 *
22 * @author Charles Fry
23 */
24class LongAdder implements LongAddable {
25
26  private long value;
27
28  public void increment() {
29    value++;
30  }
31
32  public void add(long x) {
33    value += x;
34  }
35
36  public long sum() {
37    return value;
38  }
39
40}
41