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Accumulate (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 Accumulate

java.lang.Object
  org.drools.rule.ConditionalElement
      org.drools.rule.Accumulate

All Implemented Interfaces:

Serializable, Cloneable, RuleConditionElement, RuleComponent

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public class Accumulate
extends ConditionalElement

A class to represent a Accumulate CE

See Also:

Serialized Form

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Constructor Summary
Accumulate(Pattern sourcePattern, Pattern resultPattern)
Accumulate(Pattern sourcePattern, Pattern resultPattern, Declaration[] requiredDeclarations, Declaration[] innerDeclarations)
Accumulate(Pattern sourcePattern, Pattern resultPattern, Declaration[] requiredDeclarations, Declaration[] innerDeclarations, Accumulator accumulator)

 

Method Summary
Object	accumulate(Tuple leftTuple, List matchingObjects, WorkingMemory workingMemory)
Object	clone()           Returns a clone from itself
Accumulator	getAccumulator()
Map	getInnerDeclarations()           Returns a Map of declarations that are visible inside this conditional element
Map	getOuterDeclarations()           Returns a Map of declarations that are visible outside this conditional element.
Pattern	getResultPattern()
Pattern	getSourcePattern()
Declaration	resolveDeclaration(String identifier)           Resolves the given identifier in the current scope and returns the Declaration object for the declaration.
void	setAccumulator(Accumulator accumulator)

 

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

Accumulate

public Accumulate(Pattern sourcePattern,
                  Pattern resultPattern)

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Accumulate

public Accumulate(Pattern sourcePattern,
                  Pattern resultPattern,
                  Declaration[] requiredDeclarations,
                  Declaration[] innerDeclarations)

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Accumulate

public Accumulate(Pattern sourcePattern,
                  Pattern resultPattern,
                  Declaration[] requiredDeclarations,
                  Declaration[] innerDeclarations,
                  Accumulator accumulator)

Method Detail

getAccumulator

public Accumulator getAccumulator()

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setAccumulator

public void setAccumulator(Accumulator accumulator)

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accumulate

public Object accumulate(Tuple leftTuple,
                         List matchingObjects,
                         WorkingMemory workingMemory)

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clone

public Object clone()

Description copied from interface: RuleConditionElement

Returns a clone from itself

Specified by:

clone in interface RuleConditionElement

Specified by:

clone in class ConditionalElement

Returns:

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getResultPattern

public Pattern getResultPattern()

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getSourcePattern

public Pattern getSourcePattern()

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getInnerDeclarations

public Map getInnerDeclarations()

Description copied from interface: RuleConditionElement

Returns a Map of declarations that are visible inside this conditional element

Returns:

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getOuterDeclarations

public Map getOuterDeclarations()

Description copied from interface: RuleConditionElement

Returns a Map of declarations that are visible outside this conditional element.

Returns:

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resolveDeclaration

public Declaration resolveDeclaration(String identifier)

Description copied from interface: RuleConditionElement

Resolves the given identifier in the current scope and returns the Declaration object for the declaration. Returns null if identifier can not be resolved.

Returns:

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