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SynchronizedWorkingMemory - JBoss RULES 3.0.6 API 英文版文档

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org.drools
Class SynchronizedWorkingMemory

java.lang.Object
  org.drools.SynchronizedWorkingMemory

All Implemented Interfaces:

java.io.Serializable, WorkingMemory

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public class SynchronizedWorkingMemory
extends java.lang.Object
implements WorkingMemory

Each implemented method of the WorkingMemory interface is synchronised. This class simply delegates each method call to the underlying unsynchronized WorkingMemoryImpl. WorkingMemory workingMemory = new SynchronizedWorkingMemory( ruleBase.newWorkingMemory( ) );

See Also:

Serialized Form

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Constructor Summary
SynchronizedWorkingMemory(WorkingMemory workingMemory)

 

Method Summary
void	addEventListener(AgendaEventListener listener)           Add an event listener.
void	addEventListener(WorkingMemoryEventListener listener)           Add an event listener.
FactHandle	assertObject(java.lang.Object object)           Assert a fact.
FactHandle	assertObject(java.lang.Object object, boolean dynamic)           Assert a fact registering JavaBean PropertyChangeListeners on the Object to automatically trigger modifyObject calls if dynamic is true.
void	clearAgenda()           Clear the Agenda
void	clearAgendaGroup(java.lang.String group)           Clear the Agenda Group
void	dispose()           Forces the workingMemory to be derefenced from
void	fireAllRules()           Fire all items on the agenda until empty.
void	fireAllRules(AgendaFilter agendaFilter)           Fire all items on the agenda until empty, using the given AgendaFiler
Agenda	getAgenda()
java.util.List	getAgendaEventListeners()           Returns all event listeners.
FactHandle	getFactHandle(java.lang.Object object)           Retrieve the FactHandle associated with an Object.
java.util.List	getFactHandles()           Retrieve all known Fact Handles.
AgendaGroup	getFocus()
java.lang.Object	getGlobal(java.lang.String name)           Retrieve a specific piece of global data by name
java.util.Map	getGlobals()           Retrieve all of the set application data in this memory
java.lang.Object	getObject(FactHandle handle)           Retrieve the object associated with a FactHandle.
java.util.List	getObjects()           Retrieve all known objects.
java.util.List	getObjects(java.lang.Class objectClass)           Retrieve all known objects of the specified class.
QueryResults	getQueryResults(java.lang.String query)           Retrieve the QueryResults of the specified query.
RuleBase	getRuleBase()           Retrieve the RuleBase of this working memory.
java.util.List	getWorkingMemoryEventListeners()           Returns all event listeners.
void	modifyObject(FactHandle handle, java.lang.Object object)           Modify a fact.
void	removeEventListener(AgendaEventListener listener)           Remove an event listener.
void	removeEventListener(WorkingMemoryEventListener listener)           Remove an event listener.
void	retractObject(FactHandle handle)           Retract a fact.
void	setAsyncExceptionHandler(AsyncExceptionHandler handler)           Sets the AsyncExceptionHandler to handle exceptions thrown by the Agenda Scheduler used for duration rules.
void	setFocus(AgendaGroup focus)
void	setFocus(java.lang.String focus)
void	setGlobal(java.lang.String name, java.lang.Object value)           Set a specific piece of global in this working memory.

 

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

 

Constructor Detail

SynchronizedWorkingMemory

public SynchronizedWorkingMemory(WorkingMemory workingMemory)

Method Detail

addEventListener

public void addEventListener(WorkingMemoryEventListener listener)

Description copied from interface: WorkingMemory

Add an event listener.

Specified by:

addEventListener in interface WorkingMemory

Parameters:

listener - The listener to add.

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assertObject

public FactHandle assertObject(java.lang.Object object,
                               boolean dynamic)
                        throws FactException

Description copied from interface: WorkingMemory

Assert a fact registering JavaBean PropertyChangeListeners on the Object to automatically trigger modifyObject calls if dynamic is true.

Specified by:

assertObject in interface WorkingMemory

Parameters:

object - The fact object.

dynamic - true if Drools should add JavaBean PropertyChangeListeners to the object.

Returns:

The new fact-handle associated with the object.

Throws:

FactException - If an error occurs.

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assertObject

public FactHandle assertObject(java.lang.Object object)
                        throws FactException

Description copied from interface: WorkingMemory

Assert a fact.

Specified by:

assertObject in interface WorkingMemory

Parameters:

object - The fact object.

Returns:

The new fact-handle associated with the object.

Throws:

FactException - If an error occurs.

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clearAgenda

public void clearAgenda()

Description copied from interface: WorkingMemory

Clear the Agenda

Specified by:

clearAgenda in interface WorkingMemory

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clearAgendaGroup

public void clearAgendaGroup(java.lang.String group)

Description copied from interface: WorkingMemory

Clear the Agenda Group

Specified by:

clearAgendaGroup in interface WorkingMemory

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fireAllRules

public void fireAllRules()
                  throws FactException

Description copied from interface: WorkingMemory

Fire all items on the agenda until empty.

Specified by:

fireAllRules in interface WorkingMemory

Throws:

FactException - If an error occurs.

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fireAllRules

public void fireAllRules(AgendaFilter agendaFilter)
                  throws FactException

Description copied from interface: WorkingMemory

Fire all items on the agenda until empty, using the given AgendaFiler

Specified by:

fireAllRules in interface WorkingMemory

Throws:

FactException - If an error occurs.

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getFactHandle

public FactHandle getFactHandle(java.lang.Object object)
                         throws NoSuchFactHandleException

Description copied from interface: WorkingMemory

Retrieve the FactHandle associated with an Object.

Specified by:

getFactHandle in interface WorkingMemory

Parameters:

object - The object.

Returns:

The associated fact handle.

Throws:

NoSuchFactHandleException - If no handle is known to be associated with the specified object.

See Also:

#containsObject

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getFactHandles

public java.util.List getFactHandles()

Description copied from interface: WorkingMemory

Retrieve all known Fact Handles.

Specified by:

getFactHandles in interface WorkingMemory

Returns:

The list of all known fact handles.

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getObject

public java.lang.Object getObject(FactHandle handle)
                           throws NoSuchFactObjectException

Description copied from interface: WorkingMemory

Retrieve the object associated with a FactHandle.

Specified by:

getObject in interface WorkingMemory

Parameters:

handle - The fact handle.

Returns:

The associated object.

Throws:

NoSuchFactObjectException - If no object is known to be associated with the specified handle.

See Also:

#containsObject

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getObjects

public java.util.List getObjects()

Description copied from interface: WorkingMemory

Retrieve all known objects.

Specified by:

getObjects in interface WorkingMemory

Returns:

The list of all known objects.

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getObjects

public java.util.List getObjects(java.lang.Class objectClass)

Description copied from interface: WorkingMemory

Retrieve all known objects of the specified class.

Specified by:

getObjects in interface WorkingMemory

Parameters:

objectClass - The class of object to return.

Returns:

The list of all known objects of the specified class.

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getRuleBase

public RuleBase getRuleBase()

Description copied from interface: WorkingMemory

Retrieve the RuleBase of this working memory.

Specified by:

getRuleBase in interface WorkingMemory

Returns:

The RuleBase.

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modifyObject

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

Description copied from interface: WorkingMemory

Modify a fact.

Specified by:

modifyObject in interface WorkingMemory

Parameters:

handle - The fact-handle associated with the fact to modify.

object - The new value of the fact.

Throws:

FactException - If an error occurs.

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removeEventListener

public void removeEventListener(WorkingMemoryEventListener listener)

Description copied from interface: WorkingMemory

Remove an event listener.

Specified by:

removeEventListener in interface WorkingMemory

Parameters:

listener - The listener to remove.

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retractObject

public void retractObject(FactHandle handle)
                   throws FactException

Description copied from interface: WorkingMemory

Retract a fact.

Specified by:

retractObject in interface WorkingMemory

Parameters:

handle - The fact-handle associated with the fact to retract.

Throws:

FactException - If an error occurs.

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setAsyncExceptionHandler

public void setAsyncExceptionHandler(AsyncExceptionHandler handler)

Description copied from interface: WorkingMemory

Sets the AsyncExceptionHandler to handle exceptions thrown by the Agenda Scheduler used for duration rules.

Specified by:

setAsyncExceptionHandler in interface WorkingMemory

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addEventListener

public void addEventListener(AgendaEventListener listener)

Description copied from interface: WorkingMemory

Add an event listener.

Specified by:

addEventListener in interface WorkingMemory

Parameters:

listener - The listener to add.

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dispose

public void dispose()

Description copied from interface: WorkingMemory

Forces the workingMemory to be derefenced from

Specified by:

dispose in interface WorkingMemory

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getAgenda

public Agenda getAgenda()

Specified by:

getAgenda in interface WorkingMemory

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getAgendaEventListeners

public java.util.List getAgendaEventListeners()

Description copied from interface: WorkingMemory

Returns all event listeners.

Specified by:

getAgendaEventListeners in interface WorkingMemory

Returns:

listeners The listeners.

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getFocus

public AgendaGroup getFocus()

Specified by:

getFocus in interface WorkingMemory

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getGlobal

public java.lang.Object getGlobal(java.lang.String name)

Description copied from interface: WorkingMemory

Retrieve a specific piece of global data by name

Specified by:

getGlobal in interface WorkingMemory

Returns:

application data or null if nothing is set under this name

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getGlobals

public java.util.Map getGlobals()

Description copied from interface: WorkingMemory

Retrieve all of the set application data in this memory

Specified by:

getGlobals in interface WorkingMemory

Returns:

the application data as a Map

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getQueryResults

public QueryResults getQueryResults(java.lang.String query)

Description copied from interface: WorkingMemory

Retrieve the QueryResults of the specified query.

Specified by:

getQueryResults in interface WorkingMemory

Parameters:

query - The name of the query.

Returns:

The QueryResults of the specified query. If no results match the query it is empty.

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getWorkingMemoryEventListeners

public java.util.List getWorkingMemoryEventListeners()

Description copied from interface: WorkingMemory

Returns all event listeners.

Specified by:

getWorkingMemoryEventListeners in interface WorkingMemory

Returns:

listeners The listeners.

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removeEventListener

public void removeEventListener(AgendaEventListener listener)

Description copied from interface: WorkingMemory

Remove an event listener.

Specified by:

removeEventListener in interface WorkingMemory

Parameters:

listener - The listener to remove.

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setFocus

public void setFocus(java.lang.String focus)

Specified by:

setFocus in interface WorkingMemory

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setFocus

public void setFocus(AgendaGroup focus)

Specified by:

setFocus in interface WorkingMemory

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setGlobal

public void setGlobal(java.lang.String name,
                      java.lang.Object value)

Description copied from interface: WorkingMemory

Set a specific piece of global in this working memory.

Specified by:

setGlobal in interface WorkingMemory

Parameters:

name - the name under which to populate the data

value - the application data

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