| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.jackrabbit.oak.stats; |
| |
| import java.util.Map; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| import org.apache.jackrabbit.guava.common.collect.Maps; |
| import org.apache.jackrabbit.api.stats.RepositoryStatistics; |
| import org.apache.jackrabbit.api.stats.RepositoryStatistics.Type; |
| import org.apache.jackrabbit.stats.RepositoryStatisticsImpl; |
| |
| public final class DefaultStatisticsProvider implements StatisticsProvider { |
| private final RepositoryStatisticsImpl repoStats; |
| private final Map<String, SimpleStats> statsMeters = Maps.newHashMap(); |
| |
| public DefaultStatisticsProvider(ScheduledExecutorService executor){ |
| this.repoStats = new RepositoryStatisticsImpl(executor); |
| } |
| |
| @Override |
| public RepositoryStatistics getStats() { |
| return repoStats; |
| } |
| |
| @Override |
| public MeterStats getMeter(String name, StatsOptions options) { |
| return getStats(name, true, SimpleStats.Type.METER, options); |
| } |
| |
| @Override |
| public CounterStats getCounterStats(String name, StatsOptions options) { |
| return getStats(name, false, SimpleStats.Type.COUNTER, options); |
| } |
| |
| @Override |
| public TimerStats getTimer(String name, StatsOptions options) { |
| return getStats(name, true, SimpleStats.Type.TIMER, options); |
| } |
| |
| @Override |
| public HistogramStats getHistogram(String name, StatsOptions options) { |
| return getStats(name, true, SimpleStats.Type.HISTOGRAM, options); |
| } |
| |
| private synchronized SimpleStats getStats(String type, boolean resetValueEachSecond, SimpleStats.Type statsType, |
| StatsOptions options){ |
| Type enumType = Type.getType(type); |
| SimpleStats stats = statsMeters.get(type); |
| if (stats == null){ |
| if (enumType != null) { |
| stats = new SimpleStats(repoStats.getCounter(enumType), statsType); |
| } else if (options.isTimeSeriesEnabled()) { |
| stats = new SimpleStats(repoStats.getCounter(type, resetValueEachSecond), statsType); |
| } else { |
| stats = new SimpleStats(new AtomicLong(), statsType); |
| } |
| statsMeters.put(type, stats); |
| } |
| return stats; |
| } |
| } |