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 package org.apache.omid.metrics;
19
20 public interface MetricsRegistry {
21
22 /**
23 * Registers the {@link Gauge} under the given name.
24 *
25 * @param name the name of the metric
26 */
27 <T extends Number> void gauge(String name, Gauge<T> gauge);
28
29 /**
30 * Creates a new {@link Counter} and registers it under the given name.
31 *
32 * @param name the name of the metric
33 * @return a new {@link Counter}
34 */
35 Counter counter(String name);
36
37 /**
38 * Creates a new {@link Timer} and registers it under the given name.
39 *
40 * @param name the name of the metric
41 * @return a new {@link Timer}
42 */
43 Timer timer(String name);
44
45 /**
46 * Creates a new {@link Meter} and registers it under the given name.
47 *
48 * @param name the name of the metric
49 * @return a new {@link Meter}
50 */
51 Meter meter(String name);
52
53 /**
54 * Creates a new {@link Histogram} and registers it under the given name.
55 *
56 * @param name the name of the metric
57 * @return a new {@link Histogram}
58 */
59 Histogram histogram(String name);
60 }