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/*
* @(#)MetricData.java 1.5 06/27/07
*/
package com.sun.messaging.jmq.io;
import java.io.Serializable;
import com.sun.messaging.jmq.io.MetricCounters;
/**
* This class represents metric performance data that is derived
* from MetricCounters
*/
public class MetricData implements Serializable
{
public MetricCounters totals = null;
public MetricCounters rates = null;
public long totalMemory;
public long freeMemory;
public long timestamp;
public int nConnections;
public MetricData() {
totals = new MetricCounters();
rates = new MetricCounters();
reset();
}
/**
* Reset counters to 0
*/
public synchronized void reset() {
totals.reset();
rates.reset();
timestamp = 0;
totalMemory = 0;
freeMemory = 0;
nConnections = 0;
}
public synchronized void setTotals(MetricCounters counters) {
totals.reset();
totals.update(counters);
}
public synchronized void setRates(MetricCounters counters) {
rates.reset();
rates.update(counters);
}
public String toString() {
String s =
"Connections: " + nConnections + " JVM Heap: " +
totalMemory + " bytes (" + freeMemory + " free)" +
" Threads: " + totals.threadsActive + " (" + totals.threadsLowWater + "-" + totals.threadsHighWater + ")" + "\n" +
" In: " +
totals.messagesIn + " msgs (" + totals.messageBytesIn + " bytes) " +
totals.packetsIn + " pkts (" + totals.packetBytesIn + " bytes)\n" +
" Out: " +
totals.messagesOut + " msgs (" + totals.messageBytesOut + " bytes) " +
totals.packetsOut + " pkts (" + totals.packetBytesOut + " bytes)\n" +
" Rate In: " +
rates.messagesIn + " msgs/sec (" + rates.messageBytesIn + " bytes/sec) " +
rates.packetsIn + " pkts/sec (" + rates.packetBytesIn + " bytes/sec)\n" +
"Rate Out: " +
rates.messagesOut + " msgs/sec (" + rates.messageBytesOut + " bytes/sec) " +
rates.packetsOut + " pkts/sec (" + rates.packetBytesOut + " bytes/sec)";
return s;
}
}