visad.util

Class ThreadManager

java.lang.Object

visad.util.ThreadManager

public class ThreadManager
extends java.lang.Object

This class provides support for running a collection of Runnables concurrently. It will collect and then throw any exceptions that are thrown. It uses the static maxThreads as the number of threads to run. The default is 1, resulting in sequential execution.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ThreadManager.MyRunnable MyRunnable

Field Summary

Fields

Modifier and Type	Field and Description
boolean	debug
static int	MAX_THREADS

Constructor Summary

Constructors

Constructor and Description
ThreadManager()
ThreadManager(int maxThreads)
ThreadManager(java.lang.String theName) Constructor with name specified

Method Summary

Modifier and Type	Method and Description
void	addRunnable(ThreadManager.MyRunnable runnable)
static void	clearTimes()
void	debug(java.lang.String msg)
static void	doWork(int amt, int[] A)
java.util.List<java.lang.Exception>	getExceptions() Return the list of any exceptions that were thrown when running the threads
int	getNumRunnables()
void	handleException(java.lang.Exception exc)
static void	main(java.lang.String[] args) Main method for testing
void	runAllParallel()
void	runInParallel()
void	runInParallel(boolean doAverage)
void	runInParallel(int maxThreads)
void	runnableStarted()
void	runnableStopped()
void	runSequentially()
static void	setGlobalMaxThreads(int max)

Methods inherited from class java.lang.Object

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

Field Detail

debug

public boolean debug

MAX_THREADS

public static final int MAX_THREADS

See Also:

Constant Field Values

Constructor Detail

ThreadManager

public ThreadManager()

ThreadManager

public ThreadManager(java.lang.String theName)

Constructor with name specified

Parameters:

theName -

ThreadManager

public ThreadManager(int maxThreads)

Parameters:

maxThreads -

Method Detail

setGlobalMaxThreads

public static void setGlobalMaxThreads(int max)

Parameters:

max -

debug

public void debug(java.lang.String msg)

clearTimes

public static void clearTimes()

addRunnable

public void addRunnable(ThreadManager.MyRunnable runnable)

Parameters:

runnable -

handleException

public void handleException(java.lang.Exception exc)

Parameters:

exc -

runnableStopped

public void runnableStopped()

runnableStarted

public void runnableStarted()

getNumRunnables

public int getNumRunnables()

Returns:

count of Runnables

runInParallel

public void runInParallel(int maxThreads)
                   throws VisADException,
                          java.rmi.RemoteException

Parameters:

maxThreads -

Throws:

java.rmi.RemoteException

VisADException

runSequentially

public void runSequentially()
                     throws VisADException,
                            java.rmi.RemoteException

Throws:

java.rmi.RemoteException

VisADException

runAllParallel

public void runAllParallel()
                    throws VisADException,
                           java.rmi.RemoteException

Throws:

java.rmi.RemoteException

VisADException

runInParallel

public void runInParallel()
                   throws VisADException,
                          java.rmi.RemoteException

Throws:

java.rmi.RemoteException

VisADException

runInParallel

public void runInParallel(boolean doAverage)
                   throws VisADException,
                          java.rmi.RemoteException

Parameters:

doAverage -

Throws:

java.rmi.RemoteException

VisADException

getExceptions

public java.util.List<java.lang.Exception> getExceptions()

Return the list of any exceptions that were thrown when running the threads

Returns:

The exceptions that were thrown

doWork

public static final void doWork(int amt,
                                int[] A)

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Main method for testing

Parameters:

args - args

Throws:

java.lang.Exception