| /* |
| * 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.geode.internal.statistics; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.CancelCriterion; |
| import org.apache.geode.Statistics; |
| import org.apache.geode.StatisticsFactory; |
| import org.apache.geode.StatisticsType; |
| import org.apache.geode.internal.logging.log4j.LogMarker; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| |
| /** |
| * A standalone implementation of {@link StatisticsFactory}. It can be used in contexts that do not |
| * have the GemFire product or in vm's that do not have a distributed system nor a gemfire |
| * connection. |
| * |
| */ |
| public class LocalStatisticsFactory extends AbstractStatisticsFactory |
| implements StatisticsFactory, StatisticsManager { |
| |
| private static final Logger logger = LogService.getLogger(); |
| |
| public static final String STATS_DISABLE_NAME_PROPERTY = "stats.disable"; |
| |
| private final SimpleStatSampler sampler; |
| private final boolean statsDisabled; |
| |
| public LocalStatisticsFactory(CancelCriterion stopper) { |
| super(initId(), initName(), initStartTime()); |
| |
| this.statsDisabled = Boolean.getBoolean(STATS_DISABLE_NAME_PROPERTY); |
| if (statsDisabled) { |
| this.sampler = null; |
| logger.info(LogMarker.STATISTICS_MARKER, |
| "Statistic collection is disabled: use: -Dstats.disable=false to turn on statistics."); |
| } else if (stopper != null) { |
| this.sampler = new SimpleStatSampler(stopper, this); |
| this.sampler.start(); |
| } else { |
| this.sampler = null; |
| } |
| } |
| |
| protected static long initId() { |
| return Thread.currentThread().hashCode(); |
| } |
| |
| protected static String initName() { |
| return System.getProperty("stats.name", Thread.currentThread().getName()); |
| } |
| |
| protected static long initStartTime() { |
| return System.currentTimeMillis(); |
| } |
| |
| protected SimpleStatSampler getStatSampler() { |
| return this.sampler; |
| } |
| |
| @Override |
| public void close() { |
| if (this.sampler != null) { |
| this.sampler.stop(); |
| } |
| } |
| |
| @Override |
| public Statistics createOsStatistics(StatisticsType type, String textId, long numericId, |
| int osStatFlags) { |
| if (this.statsDisabled) { |
| return new DummyStatisticsImpl(type, textId, numericId); |
| } |
| return super.createOsStatistics(type, textId, numericId, osStatFlags); |
| } |
| |
| @Override |
| public Statistics createAtomicStatistics(StatisticsType type, String textId, long numericId) { |
| if (this.statsDisabled) { |
| return new DummyStatisticsImpl(type, textId, numericId); |
| } |
| return super.createAtomicStatistics(type, textId, numericId); |
| } |
| } |