Package org.drools.core.spi

Interface Restriction

All Superinterfaces:

Cloneable, Externalizable, Serializable

All Known Implementing Classes:

AbstractCompositeRestriction, PredicateConstraint, ReturnValueRestriction

public interface Restriction
extends Externalizable, Cloneable

Method Summary

Modifier and Type	Method	Description
Restriction	clone()
ContextEntry	createContextEntry()
Evaluator	getEvaluator()
Declaration[]	getRequiredDeclarations()
boolean	isAllowed(InternalReadAccessor extractor, InternalFactHandle handle, ReteEvaluator reteEvaluator, ContextEntry context)
boolean	isAllowedCachedLeft(ContextEntry context, InternalFactHandle handle)
boolean	isAllowedCachedRight(Tuple tuple, ContextEntry context)
boolean	isTemporal()	Returns true if this is a temporal restriction
void	replaceDeclaration(Declaration oldDecl, Declaration newDecl)	A restriction may be required to replace an old declaration object by a new updated one

Methods inherited from interface java.io.Externalizable

readExternal, writeExternal

Method Detail

getRequiredDeclarations

Declaration[] getRequiredDeclarations()

isAllowed

boolean isAllowed(InternalReadAccessor extractor,
                  InternalFactHandle handle,
                  ReteEvaluator reteEvaluator,
                  ContextEntry context)

isAllowedCachedLeft

boolean isAllowedCachedLeft(ContextEntry context,
                            InternalFactHandle handle)

isAllowedCachedRight

boolean isAllowedCachedRight(Tuple tuple,
                             ContextEntry context)

createContextEntry

ContextEntry createContextEntry()

replaceDeclaration

void replaceDeclaration(Declaration oldDecl,
                        Declaration newDecl)

A restriction may be required to replace an old declaration object by a new updated one

Parameters:

oldDecl -

newDecl -

getEvaluator

Evaluator getEvaluator()

isTemporal

boolean isTemporal()

Returns true if this is a temporal restriction

Returns:

clone

Restriction clone()