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package com.webobjects.monitor._private;
import com.webobjects.foundation.NSArray;
import com.webobjects.foundation.NSDictionary;
import com.webobjects.foundation.NSLog;
import com.webobjects.foundation.NSTimestamp;
import com.webobjects.foundation.NSTimestampFormatter;
public class StatsUtilities {
public static NSTimestampFormatter dateFormatter = new NSTimestampFormatter("%Y:%m:%d:%H:%M:%S %Z");
static public Integer totalTransactionsForApplication(MApplication anApp) {
int aTotalTrans = 0;
NSArray anInstArray = anApp.instanceArray();
int i;
int anInstArrayCount = anInstArray.count();
for (i = 0; i < anInstArrayCount; i++) {
MInstance anInstance = (MInstance)anInstArray.objectAtIndex(i);
NSDictionary aStatsDict = anInstance.statistics();
if (aStatsDict != null) {
try {
String aValue = (String) aStatsDict.valueForKey("transactions");
aTotalTrans = aTotalTrans + Integer.parseInt(aValue);
} catch (Throwable ex) {
// do nothing
}
}
}
return Integer.valueOf(aTotalTrans);
}
/**
* Returns the total number of transactions for running instances of the given monitored application
* If the monitored application has no running instances, returns Integer.valueOf(0)
*
* @param monitoredApplication
* @return
*/
public static Integer totalTransactionsForActiveInstancesOfApplication(MApplication monitoredApplication) {
Integer totalTransactions = sumStatisticOfActiveInstances(monitoredApplication, "transactions");
return totalTransactions;
}
static public Integer totalActiveSessionsForApplication(MApplication anApp) {
NSArray anInstArray = anApp.instanceArray();
int aTotalActiveSessions = 0;
int i;
int anInstArrayCount = anInstArray.count();
for (i = 0; i < anInstArrayCount; i++) {
MInstance anInstance = (MInstance)anInstArray.objectAtIndex(i);
NSDictionary aStatsDict = anInstance.statistics();
if (aStatsDict != null) {
try {
String aValue = (String) aStatsDict.valueForKey("activeSessions");
aTotalActiveSessions = aTotalActiveSessions + Integer.parseInt(aValue);
} catch (Throwable ex) {
// do nothing
}
}
}
return Integer.valueOf(aTotalActiveSessions);
}
/**
* Returns the total number of active sessions for running instances of the given monitored application
* If the monitored application has no running instances, returns Integer.valueOf(0)
*
* @param monitoredApplication
* @return
*/
public static Integer totalActiveSessionsForActiveInstancesOfApplication(MApplication monitoredApplication) {
Integer totalActiveSessions = sumStatisticOfActiveInstances(monitoredApplication, "activeSessions");
return totalActiveSessions;
}
/**
* Calculates and returns the sum of the statistic indicated by the given statisticsKey for
* the running instances of the given monitored application.
*
* @param monitoredApplication
* @param statisticsKey
* @return
*/
protected static Integer sumStatisticOfActiveInstances(MApplication monitoredApplication, String statisticsKey){
int sum = 0;
NSArray<MInstance> instances = monitoredApplication.instanceArray();
for (MInstance anInstance : instances) {
if (anInstance.isRunning_M()){
NSDictionary statistics = anInstance.statistics();
if (statistics != null) {
try {
String aValue = (String) statistics.valueForKey(statisticsKey);
sum = sum + Integer.parseInt(aValue);
} catch (Throwable ex) {
// do nothing
}
}
}
}
Integer sumAsInteger = Integer.valueOf(sum);
return sumAsInteger;
}
static public Float totalAverageTransactionForApplication(MApplication anApp) {
NSArray anInstArray = anApp.instanceArray();
float aTotalTime = (float)0.0;
int aTotalTrans = 0;
float aTotalAvg = (float)0.0;
int i;
int anInstArrayCount = anInstArray.count();
for (i = 0; i < anInstArrayCount; i++) {
MInstance anInstance = (MInstance)anInstArray.objectAtIndex(i);
NSDictionary aStatsDict = anInstance.statistics();
if (aStatsDict != null) {
try {
String aValue = (String)aStatsDict.valueForKey("transactions");
Integer aTrans = Integer.valueOf(aValue);
if (aTrans.intValue() > 0) {
aValue = (String)aStatsDict.valueForKey("avgTransactionTime");
Float aTime = Float.valueOf(aValue);
aTotalTime = aTotalTime + (aTrans.intValue() * aTime.floatValue());
aTotalTrans = aTotalTrans + (aTrans.intValue());
}
} catch (Throwable ex) {
// do nothing
}
}
}
if (aTotalTrans > 0) {
aTotalAvg = aTotalTime / aTotalTrans;
}
return Float.valueOf(aTotalAvg);
}
static public Float totalAverageIdleTimeForApplication(MApplication anApp) {
NSArray anInstArray = anApp.instanceArray();
float aTotalTime = (float)0.0;
int aTotalTrans = 0;
float aTotalAvg = (float)0.0;
int i;
int instArrayCount = anInstArray.count();
for (i = 0; i < instArrayCount; i++) {
MInstance anInstance = (MInstance)anInstArray.objectAtIndex(i);
NSDictionary aStatsDict = anInstance.statistics();
if (aStatsDict != null) {
try {
String aValue = (String)aStatsDict.valueForKey("transactions");
Integer aTrans = Integer.valueOf(aValue);
if (aTrans.intValue() > 0) {
String idleString = (String)aStatsDict.valueForKey("averageIdlePeriod");
Float aTime = Float.valueOf(idleString);
aTotalTime = aTotalTime + (aTrans.intValue() * aTime.floatValue());
aTotalTrans = aTotalTrans + (aTrans.intValue());
}
} catch (Throwable ex) {
// do nothing
}
}
}
if (aTotalTrans > 0) {
aTotalAvg = aTotalTime / aTotalTrans;
}
return Float.valueOf(aTotalAvg);
}
static public Float actualTransactionsPerSecondForApplication(MApplication anApp) {
float anOverallRate = (float)0.0;
NSArray anInstArray = anApp.instanceArray();
int i;
int anInstArrayCount = anInstArray.count();
for (i = 0; i < anInstArrayCount; i++) {
MInstance anInstance = (MInstance)anInstArray.objectAtIndex(i);
NSDictionary aStatsDict = anInstance.statistics();
String aStartDate = "";
float anInstRate = (float)0.0;
Integer aTrans;
if (aStatsDict != null) {
aStartDate = (String)aStatsDict.valueForKey("startedAt");
try {
aTrans = Integer.valueOf((String) aStatsDict.valueForKey("transactions"));
} catch (Throwable ex) {
aTrans = null;
}
if (aTrans != null && (aTrans.intValue() > 0)) {
NSTimestamp aDate;
float aRunningTime;
try {
// Important! This relies on the fact that the stats will deliver startdate based on GMT, since new NSTimestamp is also base on GMT!
aDate = (NSTimestamp)StatsUtilities.dateFormatter.parseObject(aStartDate);
aRunningTime = (aDate.getTime() - System.currentTimeMillis()) / 1000;
} catch (java.text.ParseException ex) {
aRunningTime = (float) 0.0;
NSLog.err.appendln("Format error in StatsUtilities: " + aStartDate);
NSLog.err.appendln(ex.getErrorOffset());
NSLog.err.appendln("Actual Transactions Per Second rate is inaccurate.");
}
if (aRunningTime > 0.0) {
anInstRate = (aTrans.floatValue()) / aRunningTime;
}
}
}
anOverallRate = anOverallRate + anInstRate;
}
return Float.valueOf(anOverallRate);
}
}