org.drools.rule
Class ReturnValueRestriction

java.lang.Object
  org.drools.rule.ReturnValueRestriction

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, Restriction

public class ReturnValueRestriction
extends java.lang.Object
implements Restriction

See Also:

Serialized Form

Nested Class Summary

static class

ReturnValueRestriction.ReturnValueContextEntry

Constructor Summary

ReturnValueRestriction(FieldExtractor fieldExtractor, Declaration[] previousDeclarations, Declaration[] localDeclarations, java.lang.String[] requiredGlobals, Evaluator evaluator)

ReturnValueRestriction(FieldExtractor fieldExtractor, ReturnValueExpression returnValueExpression, Declaration[] previousDeclarations, Declaration[] localDeclarations, java.lang.String[] requiredGlobals, Evaluator evaluator)

Method Summary

java.lang.Object	clone()
ContextEntry	createContextEntry()
boolean	equals(java.lang.Object object)
Evaluator	getEvaluator()
ReturnValueExpression	getExpression()
Declaration[]	getLocalDeclarations()
Declaration[]	getPreviousDeclarations()
Declaration[]	getRequiredDeclarations()
java.lang.String[]	getRequiredGlobals()
int	hashCode()
boolean	isAllowed(Extractor extractor, java.lang.Object object, InternalWorkingMemory workingMemoiry, ContextEntry context)
boolean	isAllowed(Extractor extractor, java.lang.Object object, Tuple tuple, WorkingMemory workingMemory, ContextEntry context)
boolean	isAllowedCachedLeft(ContextEntry context, java.lang.Object object)
boolean	isAllowedCachedRight(ReteTuple tuple, ContextEntry context)
void	replaceDeclaration(Declaration oldDecl, Declaration newDecl) A restriction may be required to replace an old declaration object by a new updated one
void	setReturnValueExpression(ReturnValueExpression expression)

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReturnValueRestriction

public ReturnValueRestriction(FieldExtractor fieldExtractor,
                              Declaration[] previousDeclarations,
                              Declaration[] localDeclarations,
                              java.lang.String[] requiredGlobals,
                              Evaluator evaluator)

ReturnValueRestriction

public ReturnValueRestriction(FieldExtractor fieldExtractor,
                              ReturnValueExpression returnValueExpression,
                              Declaration[] previousDeclarations,
                              Declaration[] localDeclarations,
                              java.lang.String[] requiredGlobals,
                              Evaluator evaluator)

Method Detail

getRequiredDeclarations

public Declaration[] getRequiredDeclarations()

Specified by:

getRequiredDeclarations in interface Restriction

getPreviousDeclarations

public Declaration[] getPreviousDeclarations()

getLocalDeclarations

public Declaration[] getLocalDeclarations()

getRequiredGlobals

public java.lang.String[] getRequiredGlobals()

replaceDeclaration

public void replaceDeclaration(Declaration oldDecl,
                               Declaration newDecl)

Description copied from interface: Restriction

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

Specified by:

replaceDeclaration in interface Restriction

setReturnValueExpression

public void setReturnValueExpression(ReturnValueExpression expression)

getExpression

public ReturnValueExpression getExpression()

getEvaluator

public Evaluator getEvaluator()

isAllowed

public boolean isAllowed(Extractor extractor,
                         java.lang.Object object,
                         Tuple tuple,
                         WorkingMemory workingMemory,
                         ContextEntry context)

isAllowed

public boolean isAllowed(Extractor extractor,
                         java.lang.Object object,
                         InternalWorkingMemory workingMemoiry,
                         ContextEntry context)

Specified by:

isAllowed in interface Restriction

isAllowedCachedLeft

public boolean isAllowedCachedLeft(ContextEntry context,
                                   java.lang.Object object)

Specified by:

isAllowedCachedLeft in interface Restriction

isAllowedCachedRight

public boolean isAllowedCachedRight(ReteTuple tuple,
                                    ContextEntry context)

Specified by:

isAllowedCachedRight in interface Restriction

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object object)

Overrides:

equals in class java.lang.Object

createContextEntry

public ContextEntry createContextEntry()

Specified by:

createContextEntry in interface Restriction

clone

public java.lang.Object clone()

Specified by:

clone in interface Restriction

Overrides:

clone in class java.lang.Object