org.apache.commons.performance.pool
Class PoolClientThread

java.lang.Object
  org.apache.commons.performance.ClientThread
      org.apache.commons.performance.pool.PoolClientThread

All Implemented Interfaces:

Runnable

public class PoolClientThread
extends ClientThread

Client thread that borrows and returns objects from a pool in a loop. See ClientThread javadoc for a description of how times between requests are computed.

Field Summary

Fields inherited from class org.apache.commons.performance.ClientThread

logger, PEAK_LOAD, RAMPING_DOWN, RAMPING_UP, stats, TROUGH_LOAD

Constructor Summary

PoolClientThread(long iterations, long minDelay, long maxDelay, double sigma, String delayType, long rampPeriod, long peakPeriod, long troughPeriod, String cycleType, String rampType, Logger logger, Statistics stats, KeyedObjectPool keyedPool, double samplingRate)
Create a pool client thread for a KeyedObjectPool.

PoolClientThread(long iterations, long minDelay, long maxDelay, double sigma, String delayType, long rampPeriod, long peakPeriod, long troughPeriod, String cycleType, String rampType, Logger logger, Statistics stats, ObjectPool pool, double samplingRate)
Create a pool client thread for an ObjectPool.

Method Summary

protected void	cleanUp() Executed in finally block of iteration try-catch
void	execute() Borrow and return
protected void	finish() Executed once after the run finishes

Methods inherited from class org.apache.commons.performance.ClientThread

adjustState, computeCyclicDelay, getCycleState, getCycleType, getDelayType, getIterations, getLastMean, getMaxDelay, getMinDelay, getNumErrors, getNumMisses, getPeakPeriod, getPeriodStart, getRampPeriod, getRampType, getSigma, getStartTime, getStats, getTroughPeriod, init, nextDelay, run, setCycleState, setDelayType, setLastMean, setMaxDelay, setMinDelay, setNumErrors, setNumMisses, setPeakPeriod, setPeriodStart, setRampPeriod, setRampType, setSigma, setStartTime, setTroughPeriod, setUp

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PoolClientThread

public PoolClientThread(long iterations,
                        long minDelay,
                        long maxDelay,
                        double sigma,
                        String delayType,
                        long rampPeriod,
                        long peakPeriod,
                        long troughPeriod,
                        String cycleType,
                        String rampType,
                        Logger logger,
                        Statistics stats,
                        ObjectPool pool,
                        double samplingRate)

Create a pool client thread for an ObjectPool.

Parameters:

iterations - number of iterations

minDelay - minimum mean time between client requests

maxDelay - maximum mean time between client requests

delayType - distribution of time between client requests

rampPeriod - ramp period of cycle for cyclic load

peakPeriod - peak period of cycle for cyclic load

troughPeriod - trough period of cycle for cyclic load

cycleType - type of cycle for mean delay

rampType - type of ramp (linear or random jumps)

logger - common logger shared by all clients

stats - Statistics container

pool - ObjectPool

PoolClientThread

public PoolClientThread(long iterations,
                        long minDelay,
                        long maxDelay,
                        double sigma,
                        String delayType,
                        long rampPeriod,
                        long peakPeriod,
                        long troughPeriod,
                        String cycleType,
                        String rampType,
                        Logger logger,
                        Statistics stats,
                        KeyedObjectPool keyedPool,
                        double samplingRate)

Create a pool client thread for a KeyedObjectPool.

Parameters:

iterations - number of iterations

minDelay - minimum mean time between client requests

maxDelay - maximum mean time between client requests

delayType - distribution of time between client requests

rampPeriod - ramp period of cycle for cyclic load

peakPeriod - peak period of cycle for cyclic load

troughPeriod - trough period of cycle for cyclic load

cycleType - type of cycle for mean delay

rampType - type of ramp (linear or random jumps)

logger - common logger shared by all clients

stats - Statistics container

keyedPool - KeyedObjectPool

Method Detail

execute

public void execute()
             throws Exception

Borrow and return

Specified by:

execute in class ClientThread

Throws:

Exception

cleanUp

protected void cleanUp()
                throws Exception

Description copied from class: ClientThread

Executed in finally block of iteration try-catch

Overrides:

cleanUp in class ClientThread

Throws:

Exception

finish

protected void finish()
               throws Exception

Description copied from class: ClientThread

Executed once after the run finishes

Overrides:

finish in class ClientThread

Throws:

Exception