org.drools.base.evaluators
Class BaseMemberOfEvaluator

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

All Implemented Interfaces:

java.io.Serializable, Evaluator

public abstract class BaseMemberOfEvaluator
extends BaseEvaluator

This is a base class for MemberOf Evaluators

Author:

etirelli

See Also:

Serialized Form

Constructor Summary

BaseMemberOfEvaluator(ValueType type, Operator operator)

Method Summary

boolean	evaluate(InternalWorkingMemory workingMemory, Extractor extractor1, java.lang.Object object1, Extractor extractor2, java.lang.Object object2)
boolean	evaluate(InternalWorkingMemory workingMemory, Extractor extractor, java.lang.Object object1, FieldValue object2) This method will extract the value from the object1 using the extractor and compare it with the object2.
boolean	evaluateCachedLeft(InternalWorkingMemory workingMemory, VariableRestriction.VariableContextEntry context, java.lang.Object right)
boolean	evaluateCachedRight(InternalWorkingMemory workingMemory, VariableRestriction.VariableContextEntry context, java.lang.Object left)
abstract java.lang.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(InternalWorkingMemory workingMemory,
                        Extractor extractor,
                        java.lang.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:

workingMemory - TODO

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.

evaluateCachedRight

public boolean evaluateCachedRight(InternalWorkingMemory workingMemory,
                                   VariableRestriction.VariableContextEntry context,
                                   java.lang.Object left)

evaluateCachedLeft

public boolean evaluateCachedLeft(InternalWorkingMemory workingMemory,
                                  VariableRestriction.VariableContextEntry context,
                                  java.lang.Object right)

evaluate

public boolean evaluate(InternalWorkingMemory workingMemory,
                        Extractor extractor1,
                        java.lang.Object object1,
                        Extractor extractor2,
                        java.lang.Object object2)

toString

public abstract java.lang.String toString()

Overrides:

toString in class java.lang.Object