| /* |
| * 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 java.io.IOException; |
| import java.io.Reader; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.concurrent.CopyOnWriteArrayList; |
| |
| import org.apache.geode.StatisticDescriptor; |
| import org.apache.geode.Statistics; |
| import org.apache.geode.StatisticsFactory; |
| import org.apache.geode.StatisticsType; |
| import org.apache.geode.StatisticsTypeFactory; |
| import org.apache.geode.internal.process.ProcessUtils; |
| |
| /** |
| * An abstract 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. |
| * |
| * @since GemFire 7.0 |
| */ |
| public abstract class AbstractStatisticsFactory implements StatisticsFactory, StatisticsManager { |
| private final String name; |
| private final CopyOnWriteArrayList<Statistics> statsList; |
| private int statsListModCount = 0; |
| private long statsListUniqueId = 1; |
| private final Object statsListUniqueIdLock; |
| private final StatisticsTypeFactory tf; |
| private final long startTime; |
| |
| public AbstractStatisticsFactory(long id, String name, long startTime) { |
| this.name = name; |
| this.startTime = startTime; |
| |
| this.statsList = new CopyOnWriteArrayList<Statistics>(); |
| this.statsListUniqueIdLock = new Object(); |
| this.tf = StatisticsTypeFactoryImpl.singleton(); |
| } |
| |
| public void close() {} |
| |
| @Override |
| public String getName() { |
| return this.name; |
| } |
| |
| @Override |
| public int getPid() { |
| return ProcessUtils.identifyPidAsUnchecked(); |
| } |
| |
| @Override |
| public long getStartTime() { |
| return this.startTime; |
| } |
| |
| @Override |
| public int getStatListModCount() { |
| return this.statsListModCount; |
| } |
| |
| @Override |
| public List<Statistics> getStatsList() { |
| return this.statsList; |
| } |
| |
| @Override |
| public int getStatisticsCount() { |
| int result = 0; |
| List<Statistics> statsList = this.statsList; |
| if (statsList != null) { |
| result = statsList.size(); |
| } |
| return result; |
| } |
| |
| @Override |
| public boolean statisticsExists(long id) { |
| List<Statistics> statsList = this.statsList; |
| for (Statistics s : statsList) { |
| if (s.getUniqueId() == id) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public Statistics[] getStatistics() { |
| List<Statistics> statsList = this.statsList; |
| return (Statistics[]) statsList.toArray(new Statistics[statsList.size()]); |
| } |
| |
| // StatisticsFactory methods |
| |
| @Override |
| public Statistics createStatistics(StatisticsType type) { |
| return createOsStatistics(type, null, 0, 0); |
| } |
| |
| @Override |
| public Statistics createStatistics(StatisticsType type, String textId) { |
| return createOsStatistics(type, textId, 0, 0); |
| } |
| |
| @Override |
| public Statistics createStatistics(StatisticsType type, String textId, long numericId) { |
| return createOsStatistics(type, textId, 0, 0); |
| } |
| |
| @Override |
| public Statistics createOsStatistics(StatisticsType type, String textId, long numericId, |
| int osStatFlags) { |
| long myUniqueId; |
| synchronized (statsListUniqueIdLock) { |
| myUniqueId = statsListUniqueId++; // fix for bug 30597 |
| } |
| Statistics result = |
| new LocalStatisticsImpl(type, textId, numericId, myUniqueId, false, osStatFlags, this); |
| synchronized (statsList) { |
| statsList.add(result); |
| statsListModCount++; |
| } |
| return result; |
| } |
| |
| @Override |
| public Statistics[] findStatisticsByType(StatisticsType type) { |
| List<Statistics> hits = new ArrayList<Statistics>(); |
| Iterator<Statistics> it = statsList.iterator(); |
| while (it.hasNext()) { |
| Statistics s = (Statistics) it.next(); |
| if (type == s.getType()) { |
| hits.add(s); |
| } |
| } |
| Statistics[] result = new Statistics[hits.size()]; |
| return (Statistics[]) hits.toArray(result); |
| } |
| |
| @Override |
| public Statistics[] findStatisticsByTextId(String textId) { |
| List<Statistics> hits = new ArrayList<Statistics>(); |
| Iterator<Statistics> it = statsList.iterator(); |
| while (it.hasNext()) { |
| Statistics s = (Statistics) it.next(); |
| if (s.getTextId().equals(textId)) { |
| hits.add(s); |
| } |
| } |
| Statistics[] result = new Statistics[hits.size()]; |
| return (Statistics[]) hits.toArray(result); |
| } |
| |
| @Override |
| public Statistics[] findStatisticsByNumericId(long numericId) { |
| List<Statistics> hits = new ArrayList<Statistics>(); |
| Iterator<Statistics> it = statsList.iterator(); |
| while (it.hasNext()) { |
| Statistics s = (Statistics) it.next(); |
| if (numericId == s.getNumericId()) { |
| hits.add(s); |
| } |
| } |
| Statistics[] result = new Statistics[hits.size()]; |
| return (Statistics[]) hits.toArray(result); |
| } |
| |
| @Override |
| public Statistics findStatisticsByUniqueId(long uniqueId) { |
| Iterator<Statistics> it = statsList.iterator(); |
| while (it.hasNext()) { |
| Statistics s = (Statistics) it.next(); |
| if (uniqueId == s.getUniqueId()) { |
| return s; |
| } |
| } |
| return null; |
| } |
| |
| /** for internal use only. Its called by {@link LocalStatisticsImpl#close}. */ |
| @Override |
| public void destroyStatistics(Statistics stats) { |
| synchronized (statsList) { |
| if (statsList.remove(stats)) { |
| statsListModCount++; |
| } |
| } |
| } |
| |
| @Override |
| public Statistics createAtomicStatistics(StatisticsType type) { |
| return createAtomicStatistics(type, null, 0); |
| } |
| |
| @Override |
| public Statistics createAtomicStatistics(StatisticsType type, String textId) { |
| return createAtomicStatistics(type, textId, 0); |
| } |
| |
| @Override |
| public Statistics createAtomicStatistics(StatisticsType type, String textId, long numericId) { |
| long myUniqueId; |
| synchronized (statsListUniqueIdLock) { |
| myUniqueId = statsListUniqueId++; // fix for bug 30597 |
| } |
| Statistics result = StatisticsImpl.createAtomicNoOS(type, textId, numericId, myUniqueId, this); |
| synchronized (statsList) { |
| statsList.add(result); |
| statsListModCount++; |
| } |
| return result; |
| } |
| |
| // StatisticsTypeFactory methods |
| |
| /** |
| * Creates or finds a StatisticType for the given shared class. |
| */ |
| @Override |
| public StatisticsType createType(String name, String description, StatisticDescriptor[] stats) { |
| return tf.createType(name, description, stats); |
| } |
| |
| @Override |
| public StatisticsType findType(String name) { |
| return tf.findType(name); |
| } |
| |
| @Override |
| public StatisticsType[] createTypesFromXml(Reader reader) throws IOException { |
| return tf.createTypesFromXml(reader); |
| } |
| |
| @Override |
| public StatisticDescriptor createIntCounter(String name, String description, String units) { |
| return createLongCounter(name, description, units); |
| } |
| |
| @Override |
| public StatisticDescriptor createLongCounter(String name, String description, String units) { |
| return tf.createLongCounter(name, description, units); |
| } |
| |
| @Override |
| public StatisticDescriptor createDoubleCounter(String name, String description, String units) { |
| return tf.createDoubleCounter(name, description, units); |
| } |
| |
| @Override |
| public StatisticDescriptor createIntGauge(String name, String description, String units) { |
| return createLongGauge(name, description, units); |
| } |
| |
| @Override |
| public StatisticDescriptor createLongGauge(String name, String description, String units) { |
| return tf.createLongGauge(name, description, units); |
| } |
| |
| @Override |
| public StatisticDescriptor createDoubleGauge(String name, String description, String units) { |
| return tf.createDoubleGauge(name, description, units); |
| } |
| |
| @Override |
| public StatisticDescriptor createIntCounter(String name, String description, String units, |
| boolean largerBetter) { |
| return createLongCounter(name, description, units, largerBetter); |
| } |
| |
| @Override |
| public StatisticDescriptor createLongCounter(String name, String description, String units, |
| boolean largerBetter) { |
| return tf.createLongCounter(name, description, units, largerBetter); |
| } |
| |
| @Override |
| public StatisticDescriptor createDoubleCounter(String name, String description, String units, |
| boolean largerBetter) { |
| return tf.createDoubleCounter(name, description, units, largerBetter); |
| } |
| |
| @Override |
| public StatisticDescriptor createIntGauge(String name, String description, String units, |
| boolean largerBetter) { |
| return createLongGauge(name, description, units, largerBetter); |
| } |
| |
| @Override |
| public StatisticDescriptor createLongGauge(String name, String description, String units, |
| boolean largerBetter) { |
| return tf.createLongGauge(name, description, units, largerBetter); |
| } |
| |
| @Override |
| public StatisticDescriptor createDoubleGauge(String name, String description, String units, |
| boolean largerBetter) { |
| return tf.createDoubleGauge(name, description, units, largerBetter); |
| } |
| } |