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VariableConstraint (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 VariableConstraint

java.lang.Object
  org.drools.rule.VariableConstraint

All Implemented Interfaces:

Serializable, AlphaNodeFieldConstraint, BetaNodeFieldConstraint, Constraint, RuleComponent

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public class VariableConstraint
extends Object
implements AlphaNodeFieldConstraint, BetaNodeFieldConstraint

See Also:

Serialized Form

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Constructor Summary
VariableConstraint(FieldExtractor fieldExtractor, Declaration declaration, Evaluator evaluator)
VariableConstraint(FieldExtractor fieldExtractor, VariableRestriction restriction)

 

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

 

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

 

Constructor Detail

VariableConstraint

public VariableConstraint(FieldExtractor fieldExtractor,
                          Declaration declaration,
                          Evaluator evaluator)

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VariableConstraint

public VariableConstraint(FieldExtractor fieldExtractor,
                          VariableRestriction restriction)

Method Detail

getRequiredDeclarations

public Declaration[] getRequiredDeclarations()

Specified by:

getRequiredDeclarations in interface Constraint

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getFieldExtractor

public FieldExtractor getFieldExtractor()

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getEvaluator

public Evaluator getEvaluator()

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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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toString

public String toString()

Overrides:

toString in class Object

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getContextEntry

public ContextEntry getContextEntry()

Specified by:

getContextEntry in interface BetaNodeFieldConstraint

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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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