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

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org.drools.base.evaluators
Class BaseMemberOfEvaluator

java.lang.Object
  org.drools.base.BaseEvaluator
      org.drools.base.evaluators.BaseMemberOfEvaluator

All Implemented Interfaces:

Serializable, Evaluator

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public abstract class BaseMemberOfEvaluator
extends BaseEvaluator

This is a base class for MemberOf Evaluators

Author:

etirelli

See Also:

Serialized Form

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Constructor Summary
BaseMemberOfEvaluator(ValueType type, Operator operator)

 

Method Summary
boolean	evaluate(Extractor extractor1, Object object1, Extractor extractor2, Object object2)
boolean	evaluate(Extractor extractor, Object object1, FieldValue object2)           This method will extract the value from the object1 using the extractor and compare it with the object2.
boolean	evaluateCachedLeft(VariableRestriction.VariableContextEntry context, Object right)
boolean	evaluateCachedRight(VariableRestriction.VariableContextEntry context, Object left)
abstract  String	toString()

 

Methods inherited from class org.drools.base.BaseEvaluator
equals, getOperator, getValueType, hashCode

 

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

 

Constructor Detail

BaseMemberOfEvaluator

public BaseMemberOfEvaluator(ValueType type,
                             Operator operator)

Method Detail

evaluate

public boolean evaluate(Extractor extractor,
                        Object object1,
                        FieldValue object2)

Description copied from interface: Evaluator

This method will extract the value from the object1 using the extractor and compare it with the object2.

Parameters:

extractor - The extractor used to get the source value from the object

object1 - The source object to evaluate

Returns:

Returns true if evaluation is successfull. false otherwise.

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evaluateCachedRight

public boolean evaluateCachedRight(VariableRestriction.VariableContextEntry context,
                                   Object left)

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evaluateCachedLeft

public boolean evaluateCachedLeft(VariableRestriction.VariableContextEntry context,
                                  Object right)

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evaluate

public boolean evaluate(Extractor extractor1,
                        Object object1,
                        Extractor extractor2,
                        Object object2)

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toString

public abstract String toString()

Overrides:

toString in class Object

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