001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 package org.apache.commons.monitoring.repositories; 019 020 import org.apache.commons.monitoring.Role; 021 import org.apache.commons.monitoring.configuration.Configuration; 022 import org.apache.commons.monitoring.counters.Counter; 023 import org.apache.commons.monitoring.gauges.Gauge; 024 import org.apache.commons.monitoring.stopwatches.StopWatch; 025 026 import java.util.Map; 027 028 public interface Repository extends Iterable<Counter> { 029 static final Repository INSTANCE = Configuration.newInstance(Repository.class); 030 031 Counter getCounter(Counter.Key key); 032 void clear(); 033 StopWatch start(Counter counter); 034 035 void addGauge(final Gauge gauge); 036 void stopGauge(Role role); 037 Map<Long, Double> getGaugeValues(long start, long end, Role role); 038 }