1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.monitoring.repositories;
19
20 import org.apache.commons.monitoring.Role;
21 import org.apache.commons.monitoring.configuration.Configuration;
22 import org.apache.commons.monitoring.counters.Counter;
23 import org.apache.commons.monitoring.gauges.Gauge;
24 import org.apache.commons.monitoring.stopwatches.StopWatch;
25
26 import java.util.Map;
27
28 public interface Repository extends Iterable<Counter> {
29 static final Repository INSTANCE = Configuration.newInstance(Repository.class);
30
31 Counter getCounter(Counter.Key key);
32 void clear();
33 StopWatch start(Counter counter);
34
35 void addGauge(final Gauge gauge);
36 void stopGauge(Role role);
37 Map<Long, Double> getGaugeValues(long start, long end, Role role);
38 }