jadex.commons.concurrent

Class MonitoredThread

java.lang.Object

java.lang.Thread

jadex.commons.concurrent.MonitoredThread

All Implemented Interfaces:

java.lang.Runnable

public class MonitoredThread
extends java.lang.Thread

Thread class used by MonitoredThreadPoolExecutor, contains additional state about the thread to monitor thread behavior.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	borrowed Flag if the thread was borrowed.
protected long	departure Departure time of the thread from the pool.
protected int	number The thread number assigned to the thread.
protected MonitoredThreadPoolExecutor	origin Thread pool executor that created the thread.

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
MonitoredThread(java.lang.Runnable r, MonitoredThreadPoolExecutor origin) Creates the thread.

Method Summary

Modifier and Type	Method and Description
protected void	borrow() Notify the pool that the thread is borrowed and return the return to the pool is expected to be delayed.
long	getDeparture() Gets the time the thread departed from the pool.
int	getNumber() Gets the thread number.
boolean	isBlocked() Returns if the thread is currently blocked.
boolean	isBorrowed() Returns if the thread is currently borrowed.
void	setDeparture(long departure) Sets the time the thread departed from the pool.
void	setNumber(int num) Sets the thread number.
static void	tryBorrow() Try to borrow the thread.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, run, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

origin

protected MonitoredThreadPoolExecutor origin

Thread pool executor that created the thread.

number

protected int number

The thread number assigned to the thread.

departure

protected volatile long departure

Departure time of the thread from the pool.

borrowed

protected volatile boolean borrowed

Flag if the thread was borrowed.

Constructor Detail

MonitoredThread

public MonitoredThread(java.lang.Runnable r,
                       MonitoredThreadPoolExecutor origin)

Creates the thread.

Parameters:

r - The runnable to execute.

origin - The originating thread pool.

Method Detail

getNumber

public int getNumber()

Gets the thread number.

Returns:

The thread number.

setNumber

public void setNumber(int num)

Sets the thread number.

Parameters:

num - The thread number.

getDeparture

public long getDeparture()

Gets the time the thread departed from the pool.

Returns:

The time the thread departed from the pool.

setDeparture

public void setDeparture(long departure)

Sets the time the thread departed from the pool.

Parameters:

departure - The time the thread departed from the pool.

borrow

protected void borrow()

Notify the pool that the thread is borrowed and return the return to the pool is expected to be delayed.

isBorrowed

public boolean isBorrowed()

Returns if the thread is currently borrowed.

Returns:

True, if borrowed.

isBlocked

public boolean isBlocked()

Returns if the thread is currently blocked.

Returns:

True, if blocked.

tryBorrow

public static final void tryBorrow()

Try to borrow the thread. If thread is non-monitored, this does nothing.