org.drools.base
Class DefaultKnowledgeHelper

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

All Implemented Interfaces:

KnowledgeHelper

public class DefaultKnowledgeHelper

extends java.lang.Object

implements KnowledgeHelper

Constructor Summary

DefaultKnowledgeHelper(Activation agendaItem, WorkingMemory workingMemory)

Method Summary

void	assertLogicalObject(java.lang.Object object)
void	assertLogicalObject(java.lang.Object object, boolean dynamic)
void	assertObject(java.lang.Object object) Asserts an object, notice that it does not return the FactHandle
void	assertObject(java.lang.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(java.lang.String group)
java.lang.Object	get(Declaration declaration)
Activation	getActivation()
AgendaGroup	getFocus()
java.util.List	getObjects()
java.util.List	getObjects(java.lang.Class objectClass) Retruns a List of Objects that match the given Class in the paremeter.
QueryResults	getQueryResults(java.lang.String query)
Rule	getRule()
Tuple	getTuple()
WorkingMemory	getWorkingMemory()
void	modifyObject(FactHandle handle, java.lang.Object newObject)
void	retractObject(FactHandle handle)
void	setFocus(AgendaGroup focus)
void	setFocus(java.lang.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(Activation agendaItem,
                              WorkingMemory workingMemory)

Method Detail

assertObject

public void assertObject(java.lang.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

Throws:

FactException

Parameters:

object - - the object to be asserted

assertObject

public void assertObject(java.lang.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

Throws:

FactException

Parameters:

object - - the object to be asserted

dynamic - - specifies the object implements onPropertyChangeListener

assertLogicalObject

public void assertLogicalObject(java.lang.Object object)
                         throws FactException

Specified by:

assertLogicalObject in interface KnowledgeHelper

Throws:

FactException

assertLogicalObject

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

Specified by:

assertLogicalObject in interface KnowledgeHelper

Throws:

FactException

modifyObject

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

Specified by:

modifyObject in interface KnowledgeHelper

Throws:

FactException

retractObject

public void retractObject(FactHandle handle)
                   throws FactException

Specified by:

retractObject in interface KnowledgeHelper

Throws:

FactException

getRule

public Rule getRule()

Specified by:

getRule in interface KnowledgeHelper

Returns:

- The rule name

getObjects

public java.util.List getObjects()

Specified by:

getObjects in interface KnowledgeHelper

Returns:

- A List of the objects in the WorkingMemory

getObjects

public java.util.List getObjects(java.lang.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

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

clearAgendaGroup

public void clearAgendaGroup(java.lang.String group)

Specified by:

clearAgendaGroup in interface KnowledgeHelper

get

public java.lang.Object get(Declaration declaration)

Specified by:

get in interface KnowledgeHelper

getTuple

public Tuple getTuple()

Specified by:

getTuple in interface KnowledgeHelper

getWorkingMemory

public WorkingMemory getWorkingMemory()

Specified by:

getWorkingMemory in interface KnowledgeHelper

getActivation

public Activation getActivation()

Specified by:

getActivation in interface KnowledgeHelper

getQueryResults

public QueryResults getQueryResults(java.lang.String query)

Specified by:

getQueryResults in interface KnowledgeHelper

getFocus

public AgendaGroup getFocus()

Specified by:

getFocus in interface KnowledgeHelper

setFocus

public void setFocus(java.lang.String focus)

Specified by:

setFocus in interface KnowledgeHelper

setFocus

public void setFocus(AgendaGroup focus)

Specified by:

setFocus in interface KnowledgeHelper