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package com.sun.enterprise.resource.monitor;
import com.sun.enterprise.admin.monitor.stats.CountStatisticImpl;
import com.sun.enterprise.admin.monitor.stats.ConnectorConnectionPoolStats;
import com.sun.enterprise.admin.monitor.stats.JDBCConnectionPoolStats;
import com.sun.enterprise.admin.monitor.stats.MutableCountStatistic;
import com.sun.enterprise.admin.monitor.stats.MutableCountStatisticImpl;
import com.sun.enterprise.admin.monitor.stats.RangeStatisticImpl;
import com.sun.logging.LogDomains;
import java.util.logging.Logger;
import javax.management.j2ee.statistics.CountStatistic;
import javax.management.j2ee.statistics.RangeStatistic;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.enterprise.resource.MonitorableResourcePool;
/**
* An abstract class that provides an implementation of the ConnectionPoolStats
* interface. This common implementation is used by the JDBCConnectionPoolStats
* and ConnectorConnectionPoolStats implementations.
* @author Sivakumar Thyagarajan
*/
public abstract class ConnectionPoolStatsImpl extends AbstractStatsImpl
implements ConnectorConnectionPoolStats, JDBCConnectionPoolStats {
protected MonitorableResourcePool pool_;
private static StringManager localStrings =
StringManager.getManager(ConnectionPoolStatsImpl.class);
private MutableCountStatistic numConnFailedValidation_;
private MutableCountStatistic numConnTimedOut_;
private RangeStatistic numConnUsed_;
//Since 8.1
private RangeStatistic numConnFree_;
private RangeStatistic numConnRequestWaitTime_;
private MutableCountStatistic averageConnWaitTime;
private MutableCountStatistic waitQueueLength;
private MutableCountStatistic numConnCreated;
private MutableCountStatistic numConnDestroyed;
private MutableCountStatistic numConnAcquired;
private MutableCountStatistic numConnReleased;
//Since 9.0
private MutableCountStatistic numConnMatched;
private MutableCountStatistic numConnNotMatched;
//Since 9.1
private MutableCountStatistic numPotentialConnLeak;
protected final static Logger _logger = LogDomains.getLogger( LogDomains.RSR_LOGGER );
public CountStatistic getNumConnFailedValidation() {
numConnFailedValidation_.setCount(
pool_.getNumConnFailedValidation() );
return (CountStatistic)numConnFailedValidation_.unmodifiableView();
}
public CountStatistic getNumConnTimedOut() {
numConnTimedOut_.setCount(
pool_.getNumConnTimedOut() );
return (CountStatistic) numConnTimedOut_.unmodifiableView();
}
public RangeStatistic getNumConnUsed() {
numConnUsed_ = getUpdatedRangeStatistic(numConnUsed_,
pool_.getNumConnInUse(), pool_.getMaxNumConnUsed(),
pool_.getMinNumConnUsed());
return numConnUsed_;
}
/*
* Initialize the Statistic objects for all collected
* statistics.
*/
protected void initializeStatistics() {
long time = System.currentTimeMillis();
CountStatistic cs = null;
cs = new CountStatisticImpl(0,
getLocalizedStringFor("num.conn.failed.validation",
"NumConnFailedValidation"),
getLocalizedStringFor("stat.count", "Count"),
getLocalizedStringFor("num.conn.failed.validation.desc",
"Number Of Connections that failed validation"),
time, time);
numConnFailedValidation_ = new MutableCountStatisticImpl( cs );
cs = new CountStatisticImpl(0,
getLocalizedStringFor("num.conn.timedout", "NumConnTimedOut"),
getLocalizedStringFor("stat.count", "Count"),
getLocalizedStringFor("num.conn.timedout.desc",
"Number of Connection requests that timed out waiting"),
time, time);
numConnTimedOut_ = new MutableCountStatisticImpl( cs );
cs = new CountStatisticImpl(0,
getLocalizedStringFor("num.conn.created","NumConnCreated"),
getLocalizedStringFor("stat.count", "Count"),
getLocalizedStringFor("num.conn.created.desc",
"Number of Connection that have been created"),
time, time);
numConnCreated = new MutableCountStatisticImpl( cs );
cs = new CountStatisticImpl(0,
getLocalizedStringFor("num.conn.destroyed",
"NumConnDestroyed"),
getLocalizedStringFor("stat.count", "Count"),
getLocalizedStringFor("num.conn.destroyed.desc",
"Number of Connection that have been destroyed") ,
time, time);
numConnDestroyed = new MutableCountStatisticImpl( cs );
cs = new CountStatisticImpl(0,
getLocalizedStringFor("num.conn.opened", "NumConnOpened"),
getLocalizedStringFor("stat.count", "Count"),
getLocalizedStringFor("num.conn.opened.desc",
"Number of Connection that have been acquired"),
time, time);
numConnAcquired = new MutableCountStatisticImpl( cs );
cs = new CountStatisticImpl(0,
getLocalizedStringFor("num.conn.closed", "NumConnClosed"),
getLocalizedStringFor("stat.count", "Count"),
getLocalizedStringFor("num.conn.closed.desc",
"Number of Connection that have been released"),
time, time);
numConnReleased = new MutableCountStatisticImpl( cs );
cs = new CountStatisticImpl(0,
getLocalizedStringFor("avg.conn.wait.time",
"AvgConnWaitTime"),
getLocalizedStringFor("stat.milliseconds", "milliseconds"),
getLocalizedStringFor("avg.conn.wait.time.desc",
"Average wait time-duration per successful connection request"),
time, time);
averageConnWaitTime = new MutableCountStatisticImpl( cs );
cs = new CountStatisticImpl(0,
getLocalizedStringFor("wait.queue.length",
"WaitQueueLength"),
getLocalizedStringFor("stat.count", "Count"),
getLocalizedStringFor("wait.queue.length.desc",
"Connection request Wait Queue length"),
time, time);
waitQueueLength = new MutableCountStatisticImpl( cs );
//the low water mark is set with a seed value of 1 to
//ensure that the comparison with currentVal returns
//the correct low water mark the first time around
//the least number of connections that we can use is always 1
numConnUsed_ = new RangeStatisticImpl(0, 0, 1,
getLocalizedStringFor("num.conn.used", "NumConnUsed"),
getLocalizedStringFor("stat.count", "Count"),
getLocalizedStringFor("num.conn.used.desc",
"Number Of Connections used"),
time, time);
numConnFree_ = new RangeStatisticImpl(0, 0, 1,
getLocalizedStringFor("num.conn.free", "NumConnFree"),
getLocalizedStringFor("stat.count", "Count"),
getLocalizedStringFor("num.conn.free.desc",
"Number Of Free Connections"),
time, time);
numConnRequestWaitTime_ = new RangeStatisticImpl(0, 0, 1,
getLocalizedStringFor("conn.request.wait.time",
"ConnRequestWaitTime"),
getLocalizedStringFor("stat.milliseconds", "milliseconds"),
getLocalizedStringFor("conn.request.wait.time.desc",
"Max and min connection request wait times"),
time, time);
cs = new CountStatisticImpl(0,
getLocalizedStringFor("num.conn.matched", "NumConnMatched"),
getLocalizedStringFor("stat.count", "Count"),
getLocalizedStringFor("num.conn.matched.desc",
"Number of Connection that were successfully matched by the MCF. "),
time, time);
numConnMatched = new MutableCountStatisticImpl( cs );
cs = new CountStatisticImpl(0,
getLocalizedStringFor("num.conn.not.matched", "NumConnNotMatched"),
getLocalizedStringFor("stat.count", "Count"),
getLocalizedStringFor("num.conn.not.matched.desc",
"Number of Connection that were rejected by the MCF. "),
time, time);
numConnNotMatched = new MutableCountStatisticImpl( cs );
cs = new CountStatisticImpl(0,
getLocalizedStringFor("num.potential.connection.leak", "NumPotentialConnLeak"),
getLocalizedStringFor("stat.count", "Count"),
getLocalizedStringFor("num.potential.connection.leak.desc",
"Number of potential connections leak detected."),
time, time);
numPotentialConnLeak = new MutableCountStatisticImpl( cs );
}
// Begin - New Statistics for 8.1
public RangeStatistic getNumConnFree(){
numConnFree_ = getUpdatedRangeStatistic(numConnFree_,
pool_.getNumConnFree(), pool_.getMaxNumConnFree(),
pool_.getMinNumConnFree());
return numConnFree_;
}
public CountStatistic getAverageConnWaitTime() {
//Time taken by all connection requests divided by total number of
//connections acquired in the sampling period.
long averageWaitTime = 0;
if (getNumConnAcquired().getCount() != 0) {
averageWaitTime = pool_.getTotalConnectionRequestWaitTime() /
(getNumConnAcquired().getCount());
} else {
averageWaitTime = 0;
}
averageConnWaitTime.setCount(averageWaitTime);
return (CountStatistic)averageConnWaitTime.unmodifiableView();
}
public RangeStatistic getConnRequestWaitTime() {
numConnRequestWaitTime_ = getUpdatedRangeStatistic(
numConnRequestWaitTime_ , pool_.getCurrentConnRequestWaitTime() ,
pool_.getMaxConnRequestWaitTime(),
pool_.getMinConnRequestWaitTime());
return numConnRequestWaitTime_;
}
public CountStatistic getNumConnCreated() {
numConnCreated.setCount(pool_.getNumConnCreated());
return (CountStatistic)numConnCreated.unmodifiableView();
}
public CountStatistic getNumConnDestroyed() {
numConnDestroyed.setCount(pool_.getNumConnDestroyed());
return (CountStatistic)numConnDestroyed.unmodifiableView();
}
public CountStatistic getNumConnAcquired(){
numConnAcquired.setCount(pool_.getNumConnAcquired());
return (CountStatistic)numConnAcquired.unmodifiableView();
}
public CountStatistic getNumConnReleased(){
numConnReleased.setCount(pool_.getNumConnReleased());
return (CountStatistic)numConnReleased.unmodifiableView();
}
public CountStatistic getWaitQueueLength() {
waitQueueLength.setCount(pool_.getNumThreadWaiting());
return (CountStatistic)waitQueueLength.unmodifiableView();
}
//END - New Statistics for 8.1
//START - New Statistics for 9.0
public CountStatistic getNumConnSuccessfullyMatched() {
numConnMatched.setCount(pool_.getNumConnSuccessfullyMatched());
return (CountStatistic)numConnMatched.unmodifiableView();
}
public CountStatistic getNumConnNotSuccessfullyMatched() {
numConnNotMatched.setCount(pool_.getNumConnNotSuccessfullyMatched());
return (CountStatistic)numConnNotMatched.unmodifiableView();
}
public CountStatistic getNumPotentialConnLeak() {
numPotentialConnLeak.setCount(pool_.getNumPotentialConnLeak());
return (CountStatistic)numPotentialConnLeak.unmodifiableView();
}
private String getLocalizedStringFor(String key, String defaultValue){
return localStrings.getStringWithDefault(key , defaultValue);
}
}
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