pt.ua.concurrent

Class CRunnable

java.lang.Object

pt.ua.concurrent.CObject

pt.ua.concurrent.CRunnable

All Implemented Interfaces:

java.lang.Runnable, InterruptibleAwaitingThreads, SyncCV

Direct Known Subclasses:

WrapRunnable

public abstract class CRunnable
extends CObject
implements java.lang.Runnable

A replacement for Runnable to handle exceptions (and other details).

This class follows DbC(tm) methodology (Wikipedia). Where possible, contracts are implement with native's Java assert.

Author:

Miguel Oliveira e Silva (mos@ua.pt)

Constructor Summary

Constructors

Constructor and Description
CRunnable()

Method Summary

Modifier and Type	Method and Description
abstract void	arun() The new thread program method (replaces run).
java.lang.Throwable	exception() Exception object that has terminated arun execution.
boolean	failed() Did arun terminated with an exception?
void	run() Default run method is simply to call arun.

Methods inherited from class pt.ua.concurrent.CObject

await, await, await, broadcast, interruptWaitingThreads, lockIsMine, registerAwaitingThreads, signal, syncronizedLockIsMine

Methods inherited from class java.lang.Object

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

Constructor Detail

CRunnable

public CRunnable()

Method Detail

run

public void run()

Default run method is simply to call arun.

Specified by:

run in interface java.lang.Runnable

arun

public abstract void arun()

The new thread program method (replaces run).

failed

public boolean failed()

Did arun terminated with an exception?

Returns:

true, if arun has terminated with an exception false otherwis

exception

public java.lang.Throwable exception()

Exception object that has terminated arun execution.

Precondition:

failed()

Returns:

the exception object which has terminated arun execution