Package jadex.rules.rulesystem.rete

Class RetePatternMatcherState

java.lang.Object

jadex.rules.rulesystem.rete.RetePatternMatcherState

All Implemented Interfaces:

IPatternMatcherState, IOAVStateListener

public class RetePatternMatcherState
extends java.lang.Object
implements IPatternMatcherState, IOAVStateListener

The state specific part of a Rete pattern matcher.

Field Summary

Fields

Modifier and Type	Field	Description
protected AbstractAgenda	agenda	The agenda.
protected ReteNode	node	The rete node.
protected ReteMemory	retemem	The rete memory.
protected IOAVState	state	The state.

Constructor Summary

Constructors

Constructor	Description
RetePatternMatcherState(ReteNode node, IOAVState state, ReteMemory retemem, AbstractAgenda agenda)	Create a state specific part of a Rete pattern matcher.

Method Summary

Modifier and Type	Method	Description
IAgenda	getAgenda()	Get the agenda.
ReteMemory	getReteMemory()	Get the Rete memory.
ReteNode	getReteNode()	Get the node.
void	init()	Initialize the pattern matcher.
void	objectAdded(java.lang.Object id, OAVObjectType type, boolean root)	Notification when an object has been added to the state.
void	objectModified(java.lang.Object id, OAVObjectType type, OAVAttributeType attr, java.lang.Object oldvalue, java.lang.Object newvalue)	Notification when an attribute value of an object has been set.
void	objectRemoved(java.lang.Object id, OAVObjectType type)	Notification when an object has been removed from state.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

node

protected ReteNode node

The rete node.

retemem

protected ReteMemory retemem

The rete memory.

state

protected IOAVState state

The state.

agenda

protected AbstractAgenda agenda

The agenda.

Constructor Detail

RetePatternMatcherState

public RetePatternMatcherState(ReteNode node,
                               IOAVState state,
                               ReteMemory retemem,
                               AbstractAgenda agenda)

Create a state specific part of a Rete pattern matcher.

Method Detail

init

public void init()

Initialize the pattern matcher. Called before the agenda is accessed to perform any initialization, if necessary.

Specified by:

init in interface IPatternMatcherState

getAgenda

public IAgenda getAgenda()

Get the agenda. The agenda can only be accessed, after the rule system has been initialized with init().

Specified by:

getAgenda in interface IPatternMatcherState

Returns:

The agenda.

objectModified

public void objectModified(java.lang.Object id,
                           OAVObjectType type,
                           OAVAttributeType attr,
                           java.lang.Object oldvalue,
                           java.lang.Object newvalue)

Notification when an attribute value of an object has been set.

Specified by:

objectModified in interface IOAVStateListener

Parameters:

id - The object id.

type - The object type.

attr - The attribute type.

oldvalue - The oldvalue.

newvalue - The newvalue.

objectAdded

public void objectAdded(java.lang.Object id,
                        OAVObjectType type,
                        boolean root)

Notification when an object has been added to the state.

Specified by:

objectAdded in interface IOAVStateListener

Parameters:

id - The object id.

type - The object type.

root - Flag indicating that the object is a root object.

objectRemoved

public void objectRemoved(java.lang.Object id,
                          OAVObjectType type)

Notification when an object has been removed from state.

Specified by:

objectRemoved in interface IOAVStateListener

Parameters:

id - The object id.

type - The object type.

getReteMemory

public ReteMemory getReteMemory()

Get the Rete memory.

getReteNode

public ReteNode getReteNode()

Get the node.

Returns:

The node.