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TIBCO ComputeDB store based off Pivotal GemFireXD
/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* Licensed 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. See accompanying
* LICENSE file.
*/
package com.gemstone.gemfire.internal.cache;
import com.gemstone.gemfire.*;
//import com.gemstone.gemfire.internal.NanoTimer;
//import com.gemstone.gemfire.cache.Region;
import com.gemstone.gemfire.internal.*;
/**
* GemFire statistics about Disk Directories
*
* @author Darrel Schneider
*
* @since 3.2
*/
public class DiskDirectoryStats {
private static final StatisticsType type;
//////////////////// Statistic "Id" Fields ////////////////////
private static final int diskSpaceId;
private static final int maxSpaceId;
static {
String statName = "DiskDirStatistics";
String statDescription =
"Statistics about a single disk directory for a region";
final String diskSpaceDesc =
"The total number of bytes currently being used on disk in this directory for oplog files.";
final String maxSpaceDesc =
"The configured maximum number of bytes allowed in this directory for oplog files. Note that some product configurations allow this maximum to be exceeded.";
StatisticsTypeFactory f = StatisticsTypeFactoryImpl.singleton();
type = f.createType(statName, statDescription,
new StatisticDescriptor[] {
f.createLongGauge("diskSpace", diskSpaceDesc, "bytes"),
f.createLongGauge("maximumSpace", maxSpaceDesc, "bytes"),
});
// Initialize id fields
diskSpaceId = type.nameToId("diskSpace");
maxSpaceId = type.nameToId("maximumSpace");
}
////////////////////// Instance Fields //////////////////////
/** The Statistics object that we delegate most behavior to */
private final Statistics stats;
/////////////////////// Constructors ///////////////////////
/**
* Creates a new DiskRegionStatistics
for the given
* region.
*/
public DiskDirectoryStats(StatisticsFactory f, String name) {
this.stats = f.createStatistics(type, name);
}
///////////////////// Instance Methods /////////////////////
public void close() {
this.stats.close();
}
/**
* Returns the current value of the "diskSpace" stat.
*/
public long getDiskSpace() {
return this.stats.getLong(diskSpaceId);
}
public void incDiskSpace(long delta) {
this.stats.incLong(diskSpaceId, delta);
}
public void setMaxSpace(long v) {
this.stats.setLong(maxSpaceId, v);
}
public Statistics getStats(){
return stats;
}
}