org.cip4.jdflib.util.thread

Class MultiJobTaskQueue

java.lang.Object

java.lang.Thread

org.cip4.jdflib.util.thread.OrderedTaskQueue

org.cip4.jdflib.util.thread.MultiTaskQueue

org.cip4.jdflib.util.thread.MultiJobTaskQueue

All Implemented Interfaces:

Runnable

public class MultiJobTaskQueue
extends MultiTaskQueue

class to run multiple tasks in parallel while ensuring that all tasks that belong to one job remain in order

Author:

Dr. Rainer Prosi, Heidelberger Druckmaschinen AG

Nested Class Summary

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

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Method Summary

Modifier and Type	Method and Description
static MultiJobTaskQueue	getCreateJobQueue(String name, int maxParallel) grab the queue
boolean	queue(Runnable task) ensure we don't accidentally queue non-runpairs
boolean	queue(Runnable task, Object mutex)

Methods inherited from class org.cip4.jdflib.util.thread.MultiTaskQueue

getCreateQueue, getCurrentRunning, getMaxParallel, interruptCurrent, interruptTask, setMaxParallel, toString

Methods inherited from class org.cip4.jdflib.util.thread.OrderedTaskQueue

getAvQueue, getAvRun, getCreateQueue, getDone, getSumQueue, getSumRun, run, shutDown, shutDown, shutDownAll, size

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, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, yield

Methods inherited from class java.lang.Object

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

Method Detail

getCreateJobQueue

public static MultiJobTaskQueue getCreateJobQueue(String name,
                                                  int maxParallel)

grab the queue

Parameters:

name - - must not be null

maxParallel - ignored if <=0

Returns:

the queue to fill with tasks

queue

public boolean queue(Runnable task,
                     Object mutex)

Parameters:

task -

mutex - all tasks wit the same mutex will be run in sequence

Returns:

queue

public boolean queue(Runnable task)

ensure we don't accidentally queue non-runpairs

Overrides:

queue in class OrderedTaskQueue

Parameters:

task - the thing to send off

Returns:

true if successfully queued

See Also:

OrderedTaskQueue.queue(java.lang.Runnable)