Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
NoOpCounter |
|
| 1.0;1 |
1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one | |
3 | * or more contributor license agreements. See the NOTICE file | |
4 | * distributed with this work for additional information | |
5 | * regarding copyright ownership. The ASF licenses this file | |
6 | * to you under the Apache License, Version 2.0 (the | |
7 | * "License"); you may not use this file except in compliance | |
8 | * with the License. You may obtain a copy of the License at | |
9 | * | |
10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
11 | * | |
12 | * Unless required by applicable law or agreed to in writing, software | |
13 | * distributed under the License is distributed on an "AS IS" BASIS, | |
14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
15 | * See the License for the specific language governing permissions and | |
16 | * limitations under the License. | |
17 | */ | |
18 | ||
19 | package com.yammer.metrics.core; | |
20 | ||
21 | /** | |
22 | * A Metrics Counter implementation that does nothing | |
23 | */ | |
24 | public class NoOpCounter extends Counter { | |
25 | /** singleton instance for everyone to use */ | |
26 | 0 | public static final NoOpCounter INSTANCE = new NoOpCounter(); |
27 | ||
28 | /** do not instantiate */ | |
29 | 0 | private NoOpCounter() { } |
30 | ||
31 | @Override | |
32 | 0 | public void inc() { } |
33 | ||
34 | @Override | |
35 | 0 | public void inc(long n) { } |
36 | ||
37 | @Override | |
38 | 0 | public void dec() { } |
39 | ||
40 | @Override | |
41 | 0 | public void dec(long n) { } |
42 | ||
43 | @Override | |
44 | 0 | public long count() { return 0; } |
45 | ||
46 | @Override | |
47 | 0 | public void clear() { } |
48 | ||
49 | @Override | |
50 | public <T> void processWith(MetricProcessor<T> processor, MetricName name, | |
51 | T context) | |
52 | 0 | throws Exception { } |
53 | } |