ubc.cs.JLog.Foundation
Class jAPIConsultThread

java.lang.Object
  java.lang.Thread
      ubc.cs.JLog.Foundation.jPrologServiceThread
          ubc.cs.JLog.Foundation.jAPIConsultThread

All Implemented Interfaces:

Runnable

public class jAPIConsultThread
extends jPrologServiceThread

This class implements consulting of a prolog source text, throwing exceptions for encountered errors.

Version:

%I%, %G%

Author:

Glendon Holst

Nested Class Summary

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

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

protected jPrologServiceBroadcaster	begin
protected jPrologServiceBroadcaster	end
protected RuntimeException	result_exception
protected String	source

Fields inherited from class ubc.cs.JLog.Foundation.jPrologServiceThread

allow_release, prolog, stopped

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

jAPIConsultThread(jPrologServices ps, String src)

Method Summary

RuntimeException	getResultException() Returns the RuntimeException thrown by an unsucessful query / retry (e.g., UnknownPredicateException).
boolean	isCurrentlyConsulting()
void	run() Performs and controls the entire consultation phase.
void	setListeners(jPrologServiceBroadcaster b, jPrologServiceBroadcaster e, jPrologServiceBroadcaster s)

Methods inherited from class ubc.cs.JLog.Foundation.jPrologServiceThread

broadcasted_stop, getPrologServices, printOutput, setAllowRelease, setStoppedListeners

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, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

source

protected String source

begin

protected jPrologServiceBroadcaster begin

end

protected jPrologServiceBroadcaster end

result_exception

protected RuntimeException result_exception

Constructor Detail

jAPIConsultThread

public jAPIConsultThread(jPrologServices ps,
                         String src)

Method Detail

setListeners

public void setListeners(jPrologServiceBroadcaster b,
                         jPrologServiceBroadcaster e,
                         jPrologServiceBroadcaster s)

run

public void run()

Performs and controls the entire consultation phase.

Specified by:

run in interface Runnable

Overrides:

run in class Thread

isCurrentlyConsulting

public boolean isCurrentlyConsulting()

Overrides:

isCurrentlyConsulting in class jPrologServiceThread

getResultException

public RuntimeException getResultException()

Returns the RuntimeException thrown by an unsucessful query / retry (e.g., UnknownPredicateException).

Returns:

Returns a RuntimeException if the query failed. Returns null if the query did not throw an exception.