Class CutException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.lang.RuntimeException

org.projog.core.predicate.CutException

All Implemented Interfaces:

Serializable

public final class CutException
extends RuntimeException

Exception thrown when the evaluation of a rule backtracks to a cut.

See Also:

• Cut
• InterpretedUserDefinedPredicate
• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final CutException	CUT_EXCEPTION	Singleton instance.
private static final long	serialVersionUID

Constructor Summary

Constructors

Modifier	Constructor	Description
private	CutException()	Private constructor to force use of CUT_EXCEPTION

Method Summary

Methods inherited from class Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class Object

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

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

CUT_EXCEPTION

public static final CutException CUT_EXCEPTION

Singleton instance.

Reuse a single instance to avoid the stack trace generation overhead of creating a new exception each time. The CutException is specifically used for control flow in InterpretedUserDefinedPredicate.evaluate() and its stack trace is not required.

Constructor Details

CutException

private CutException()

Private constructor to force use of CUT_EXCEPTION