git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1518217 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Davies 2013-08-28 14:32:45 +00:00
parent ba2e8d4b07
commit 0d98623b7b
1 changed files with 168 additions and 0 deletions

View File

@ -0,0 +1,168 @@
/**
* 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.activemq.management;
public class SizeStatisticImpl extends StatisticImpl{
private long count;
private long maxSize;
private long minSize;
private long totalSize;
private SizeStatisticImpl parent;
public SizeStatisticImpl(String name, String description) {
this(name, "bytes", description);
}
public SizeStatisticImpl(SizeStatisticImpl parent, String name, String description) {
this(name, description);
this.parent = parent;
}
public SizeStatisticImpl(String name, String unit, String description) {
super(name, unit, description);
}
public synchronized void reset() {
if(isDoReset()) {
super.reset();
count = 0;
maxSize = 0;
minSize = 0;
totalSize = 0;
}
}
public synchronized long getCount() {
return count;
}
public synchronized void addSize(long size) {
count++;
totalSize += size;
if (size > maxSize) {
maxSize = size;
}
if (size < minSize || minSize == 0) {
minSize = size;
}
updateSampleTime();
if (parent != null) {
parent.addSize(size);
}
}
/**
* @return the maximum time of any step
*/
public long getMaxSize() {
return maxSize;
}
/**
* @return the minimum time of any step
*/
public synchronized long getMinSize() {
return minSize;
}
/**
* @return the total time of all the steps added together
*/
public synchronized long getTotalSize() {
return totalSize;
}
/**
* @return the average time calculated by dividing the
* total time by the number of counts
*/
public synchronized double getAverageSize() {
if (count == 0) {
return 0;
}
double d = totalSize;
return d / count;
}
/**
* @return the average time calculated by dividing the
* total time by the number of counts but excluding the
* minimum and maximum times.
*/
public synchronized double getAverageSizeExcludingMinMax() {
if (count <= 2) {
return 0;
}
double d = totalSize - minSize - maxSize;
return d / (count - 2);
}
/**
* @return the average number of steps per second
*/
public double getAveragePerSecond() {
double d = 1000;
double averageSize = getAverageSize();
if (averageSize == 0) {
return 0;
}
return d / averageSize;
}
/**
* @return the average number of steps per second excluding the min & max values
*/
public double getAveragePerSecondExcludingMinMax() {
double d = 1000;
double average = getAverageSizeExcludingMinMax();
if (average == 0) {
return 0;
}
return d / average;
}
public SizeStatisticImpl getParent() {
return parent;
}
public void setParent(SizeStatisticImpl parent) {
this.parent = parent;
}
protected synchronized void appendFieldDescription(StringBuffer buffer) {
buffer.append(" count: ");
buffer.append(Long.toString(count));
buffer.append(" maxSize: ");
buffer.append(Long.toString(maxSize));
buffer.append(" minSize: ");
buffer.append(Long.toString(minSize));
buffer.append(" totalSize: ");
buffer.append(Long.toString(totalSize));
buffer.append(" averageTime: ");
buffer.append(Double.toString(getAverageSize()));
buffer.append(" averageTimeExMinMax: ");
buffer.append(Double.toString(getAveragePerSecondExcludingMinMax()));
buffer.append(" averagePerSecond: ");
buffer.append(Double.toString(getAveragePerSecond()));
buffer.append(" averagePerSecondExMinMax: ");
buffer.append(Double.toString(getAveragePerSecondExcludingMinMax()));
super.appendFieldDescription(buffer);
}
}