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DefaultKnowledgeHelper (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
Class DefaultKnowledgeHelper

java.lang.Object
  org.drools.base.DefaultKnowledgeHelper

All Implemented Interfaces:

Serializable, KnowledgeHelper

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public class DefaultKnowledgeHelper
extends Object
implements KnowledgeHelper

See Also:

Serialized Form

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Constructor Summary
DefaultKnowledgeHelper(Activation agendaItem, WorkingMemory workingMemory)
DefaultKnowledgeHelper(WorkingMemory workingMemory)

 

Method Summary
void	assertLogicalObject(Object object)
void	assertLogicalObject(Object object, boolean dynamic)
void	assertObject(Object object)           Asserts an object, notice that it does not return the FactHandle
void	assertObject(Object object, boolean dynamic)           Asserts an object specifying that it implement the onPropertyChange listener, notice that it does not return the FactHandle.
void	clearAgenda()           Clears the agenda causing all existing Activations to fire ActivationCancelled events.
void	clearAgendaGroup(String group)
Object	get(Declaration declaration)
Activation	getActivation()
Declaration	getDeclaration(String identifier)
AgendaGroup	getFocus()
List	getObjects()
List	getObjects(Class objectClass)           Retruns a List of Objects that match the given Class in the paremeter.
QueryResults	getQueryResults(String query)
Rule	getRule()
Tuple	getTuple()
WorkingMemory	getWorkingMemory()
void	modifyObject(FactHandle handle, Object newObject)
void	retractObject(FactHandle handle)
void	setActivation(Activation agendaItem)
void	setFocus(AgendaGroup focus)
void	setFocus(String focus)

 

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

 

Constructor Detail

DefaultKnowledgeHelper

public DefaultKnowledgeHelper(WorkingMemory workingMemory)

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DefaultKnowledgeHelper

public DefaultKnowledgeHelper(Activation agendaItem,
                              WorkingMemory workingMemory)

Method Detail

setActivation

public void setActivation(Activation agendaItem)

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assertObject

public void assertObject(Object object)
                  throws FactException

Description copied from interface: KnowledgeHelper

Asserts an object, notice that it does not return the FactHandle

Specified by:

assertObject in interface KnowledgeHelper

Parameters:

object - - the object to be asserted

Throws:

FactException - - Exceptions can be thrown by conditions which are wrapped and returned as a FactException

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assertObject

public void assertObject(Object object,
                         boolean dynamic)
                  throws FactException

Description copied from interface: KnowledgeHelper

Asserts an object specifying that it implement the onPropertyChange listener, notice that it does not return the FactHandle.

Specified by:

assertObject in interface KnowledgeHelper

Parameters:

object - - the object to be asserted

dynamic - - specifies the object implements onPropertyChangeListener

Throws:

FactException - - Exceptions can be thrown by conditions which are wrapped and returned as a FactException

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assertLogicalObject

public void assertLogicalObject(Object object)
                         throws FactException

Specified by:

assertLogicalObject in interface KnowledgeHelper

Throws:

FactException

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assertLogicalObject

public void assertLogicalObject(Object object,
                                boolean dynamic)
                         throws FactException

Specified by:

assertLogicalObject in interface KnowledgeHelper

Throws:

FactException

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modifyObject

public void modifyObject(FactHandle handle,
                         Object newObject)
                  throws FactException

Specified by:

modifyObject in interface KnowledgeHelper

Throws:

FactException

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retractObject

public void retractObject(FactHandle handle)
                   throws FactException

Specified by:

retractObject in interface KnowledgeHelper

Throws:

FactException

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getRule

public Rule getRule()

Specified by:

getRule in interface KnowledgeHelper

Returns:

- The rule name

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getObjects

public List getObjects()

Specified by:

getObjects in interface KnowledgeHelper

Returns:

- A List of the objects in the WorkingMemory

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getObjects

public List getObjects(Class objectClass)

Description copied from interface: KnowledgeHelper

Retruns a List of Objects that match the given Class in the paremeter.

Specified by:

getObjects in interface KnowledgeHelper

Parameters:

objectClass - - The Class to filter by

Returns:

- All the Objects in the WorkingMemory that match the given Class filter

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clearAgenda

public void clearAgenda()

Description copied from interface: KnowledgeHelper

Clears the agenda causing all existing Activations to fire ActivationCancelled events.

Specified by:

clearAgenda in interface KnowledgeHelper

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clearAgendaGroup

public void clearAgendaGroup(String group)

Specified by:

clearAgendaGroup in interface KnowledgeHelper

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get

public Object get(Declaration declaration)

Specified by:

get in interface KnowledgeHelper

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getTuple

public Tuple getTuple()

Specified by:

getTuple in interface KnowledgeHelper

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getWorkingMemory

public WorkingMemory getWorkingMemory()

Specified by:

getWorkingMemory in interface KnowledgeHelper

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getActivation

public Activation getActivation()

Specified by:

getActivation in interface KnowledgeHelper

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getQueryResults

public QueryResults getQueryResults(String query)

Specified by:

getQueryResults in interface KnowledgeHelper

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getFocus

public AgendaGroup getFocus()

Specified by:

getFocus in interface KnowledgeHelper

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setFocus

public void setFocus(String focus)

Specified by:

setFocus in interface KnowledgeHelper

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setFocus

public void setFocus(AgendaGroup focus)

Specified by:

setFocus in interface KnowledgeHelper

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getDeclaration

public Declaration getDeclaration(String identifier)

Specified by:

getDeclaration in interface KnowledgeHelper

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