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ReturnValueConstraint (Drools 4.0.0.11754MR2 API) - JBoss RULES 4.0.0.11754MR2 API 英文版文档

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org.drools.rule
Class ReturnValueConstraint

java.lang.Object
  org.drools.rule.ReturnValueConstraint

All Implemented Interfaces:

Serializable, AlphaNodeFieldConstraint, BetaNodeFieldConstraint, Constraint, RuleComponent

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public class ReturnValueConstraint
extends Object
implements BetaNodeFieldConstraint, AlphaNodeFieldConstraint

See Also:

Serialized Form

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Constructor Summary
ReturnValueConstraint(FieldExtractor fieldExtractor, ReturnValueRestriction restriction)

 

Method Summary
boolean	equals(Object object)
ContextEntry	getContextEntry()
Evaluator	getEvaluator()
ReturnValueExpression	getExpression()
Declaration[]	getRequiredDeclarations()
int	hashCode()
boolean	isAllowed(Object object, InternalWorkingMemory workingMemory)
boolean	isAllowedCachedLeft(ContextEntry context, Object object)
boolean	isAllowedCachedRight(ReteTuple tuple, ContextEntry context)
void	setReturnValueExpression(ReturnValueExpression expression)
String	toString()

 

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

 

Constructor Detail

ReturnValueConstraint

public ReturnValueConstraint(FieldExtractor fieldExtractor,
                             ReturnValueRestriction restriction)

Method Detail

getRequiredDeclarations

public Declaration[] getRequiredDeclarations()

Specified by:

getRequiredDeclarations in interface Constraint

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setReturnValueExpression

public void setReturnValueExpression(ReturnValueExpression expression)

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getExpression

public ReturnValueExpression getExpression()

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getEvaluator

public Evaluator getEvaluator()

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toString

public String toString()

Overrides:

toString in class Object

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hashCode

public int hashCode()

Overrides:

hashCode in class Object

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equals

public boolean equals(Object object)

Overrides:

equals in class Object

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getContextEntry

public ContextEntry getContextEntry()

Specified by:

getContextEntry in interface BetaNodeFieldConstraint

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isAllowed

public boolean isAllowed(Object object,
                         InternalWorkingMemory workingMemory)

Specified by:

isAllowed in interface AlphaNodeFieldConstraint

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isAllowedCachedLeft

public boolean isAllowedCachedLeft(ContextEntry context,
                                   Object object)

Specified by:

isAllowedCachedLeft in interface BetaNodeFieldConstraint

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isAllowedCachedRight

public boolean isAllowedCachedRight(ReteTuple tuple,
                                    ContextEntry context)

Specified by:

isAllowedCachedRight in interface BetaNodeFieldConstraint

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