com.ugos.JIProlog.engine
Class JIPTraceEvent

java.lang.Object
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  +--com.ugos.JIProlog.engine.JIPEvent
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        +--com.ugos.JIProlog.engine.JIPTraceEvent

public class JIPTraceEvent

extends JIPEvent

JIPTraceEvent is used to notify a thar a Trace event occured. Note that trace events are raised only when trace flag is set to true.
JIPTraceListeners receive a JIPTraceEvent object in one of their methods depending on the type of event occurred

Version:

2.0

Author:

Ugo Chirico 2002
Home Page: http://www.ugosweb.com/jiprolog

See Also:

JIPTraceListener, JIPTraceListener.startNotified(com.ugos.JIProlog.engine.JIPTraceEvent), JIPTraceListener.callNotified(com.ugos.JIProlog.engine.JIPTraceEvent), JIPTraceListener.foundNotified(com.ugos.JIProlog.engine.JIPTraceEvent), JIPTraceListener.bindNotified(com.ugos.JIProlog.engine.JIPTraceEvent), JIPTraceListener.exitNotified(com.ugos.JIProlog.engine.JIPTraceEvent), JIPTraceListener.failNotified(com.ugos.JIProlog.engine.JIPTraceEvent), JIPTraceListener.redoNotified(com.ugos.JIProlog.engine.JIPTraceEvent), JIPTraceListener.stopNotified(com.ugos.JIProlog.engine.JIPTraceEvent)

Field Summary

static int	ID_BIND ID of a Bind event
static int	ID_CALL ID of a Call event
static int	ID_EXIT ID of a Exit event
static int	ID_FAIL ID of a Fail event
static int	ID_FOUND ID of a Found event
static int	ID_REDO ID of a Redo event
static int	ID_START ID of a Start event
static int	ID_STOP ID of a Stop event

Fields inherited from class com.ugos.JIProlog.engine.JIPEvent

ID_CLOSE, ID_END, ID_MORE, ID_OPEN, ID_SINGLETONVARS, ID_SOLUTION, ID_UNDEFPREDICATE, ID_USERINPUTDONE, ID_WAITFORUSERINPUT

Method Summary

void	abort() Aborts the execution
int	getLevel() Gets the trace level
void	nextStep() Executes next step
void	retry() Retry current call
void	skip() Skips the trace for next call

Methods inherited from class com.ugos.JIProlog.engine.JIPEvent

consume, getID, getQueryHandle, getSource, getTerm, when

Methods inherited from class java.lang.Object

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

Field Detail

ID_CALL

public static final int ID_CALL

ID of a Call event

See Also:

Constant Field Values

ID_BIND

public static final int ID_BIND

ID of a Bind event

See Also:

Constant Field Values

ID_FOUND

public static final int ID_FOUND

ID of a Found event

See Also:

Constant Field Values

ID_REDO

public static final int ID_REDO

ID of a Redo event

See Also:

Constant Field Values

ID_FAIL

public static final int ID_FAIL

ID of a Fail event

See Also:

Constant Field Values

ID_EXIT

public static final int ID_EXIT

ID of a Exit event

See Also:

Constant Field Values

ID_START

public static final int ID_START

ID of a Start event

See Also:

Constant Field Values

ID_STOP

public static final int ID_STOP

ID of a Stop event

See Also:

Constant Field Values

Method Detail

getLevel

public int getLevel()

Gets the trace level

abort

public void abort()

Aborts the execution

nextStep

public void nextStep()

Executes next step

retry

public void retry()

Retry current call

skip

public void skip()

Skips the trace for next call