Package jadex.bridge

Class RemoteChangeListenerHandler

java.lang.Object

jadex.bridge.RemoteChangeListenerHandler

Direct Known Subclasses:

SRemoteClock.RemoteClockChangeListener, SRemoteClock.RemoteSimServiceChangeListener, SRemoteClock.RemoteTimerChangeListener, SRemoteGui.ConsoleListener

public abstract class RemoteChangeListenerHandler
extends java.lang.Object

A listener to be installed remotely in a component. Events are collected and sent to a remote change listener in bulk events.

Field Summary

Fields

Modifier and Type	Field	Description
protected MultiCollection<java.lang.String,java.lang.Object>	added	The added elements (if any).
protected MultiCollection<java.lang.String,java.lang.Object>	changed	The changed elements (if any).
static java.lang.String	EVENT_ADDED	The event type suffix for added events.
static java.lang.String	EVENT_BULK	The event type for bulk events.
static java.lang.String	EVENT_CHANGED	The event type suffix for changed events.
static java.lang.String	EVENT_OCCURRED	The event type suffix for occurred events.
static java.lang.String	EVENT_REMOVED	The event type suffix for removed events.
protected java.lang.String	id	The id for remote listener deregistration.
protected IInternalAccess	instance	The component instance.
protected static int	MAX_EVENTS	Maximum number of events per delay period.
protected MultiCollection<java.lang.String,java.lang.Object>	occurred	The listed occurrences (if any).
protected IRemoteChangeListener	rcl	The change listener (proxy) to be informed about important changes.
protected MultiCollection<java.lang.String,java.lang.Object>	removed	The removed elements (if any).
protected boolean	started	The flag that the timer has been started.
protected java.util.Timer	timer	The update timer (if any).
protected static long	UPDATE_DELAY	Update delay.

Constructor Summary

Constructors

Constructor	Description
RemoteChangeListenerHandler(java.lang.String id, IInternalAccess instance, IRemoteChangeListener rcl)	Create a BDI listener.

Method Summary

Modifier and Type	Method	Description
protected void	dispose()	Remove local listeners.
void	elementAdded(java.lang.String type, java.lang.Object value)	An element was added.
void	elementChanged(java.lang.String type, java.lang.Object value)	An element was changed.
void	elementRemoved(java.lang.String type, java.lang.Object value)	An element was removed.
boolean	equals(java.lang.Object obj)	Test equality based on id.
int	hashCode()	Hash code based on id.
void	occurrenceAppeared(java.lang.String type, java.lang.Object value)	An occurrence appeared.
protected void	startTimer()

Methods inherited from class java.lang.Object

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

Field Detail

EVENT_ADDED

public static final java.lang.String EVENT_ADDED

The event type suffix for added events.

See Also:

Constant Field Values

EVENT_REMOVED

public static final java.lang.String EVENT_REMOVED

The event type suffix for removed events.

See Also:

Constant Field Values

EVENT_CHANGED

public static final java.lang.String EVENT_CHANGED

The event type suffix for changed events.

See Also:

Constant Field Values

EVENT_OCCURRED

public static final java.lang.String EVENT_OCCURRED

The event type suffix for occurred events.

See Also:

Constant Field Values

EVENT_BULK

public static final java.lang.String EVENT_BULK

The event type for bulk events.

See Also:

Constant Field Values

UPDATE_DELAY

protected static final long UPDATE_DELAY

Update delay.

See Also:

Constant Field Values

MAX_EVENTS

protected static final int MAX_EVENTS

Maximum number of events per delay period.

See Also:

Constant Field Values

id

protected java.lang.String id

The id for remote listener deregistration.

instance

protected IInternalAccess instance

The component instance.

rcl

protected IRemoteChangeListener rcl

The change listener (proxy) to be informed about important changes.

added

protected MultiCollection<java.lang.String,java.lang.Object> added

The added elements (if any).

changed

protected MultiCollection<java.lang.String,java.lang.Object> changed

The changed elements (if any).

removed

protected MultiCollection<java.lang.String,java.lang.Object> removed

The removed elements (if any).

occurred

protected MultiCollection<java.lang.String,java.lang.Object> occurred

The listed occurrences (if any).

timer

protected java.util.Timer timer

The update timer (if any).

started

protected boolean started

The flag that the timer has been started.

Constructor Detail

RemoteChangeListenerHandler

public RemoteChangeListenerHandler(java.lang.String id,
                                   IInternalAccess instance,
                                   IRemoteChangeListener rcl)

Create a BDI listener.

Method Detail

elementAdded

public void elementAdded(java.lang.String type,
                         java.lang.Object value)

An element was added.

Parameters:

type - The element type used as prefix for the event (e.g. use 'goal' for 'goal_added' events).

value - The element value (must be transferable).

elementRemoved

public void elementRemoved(java.lang.String type,
                           java.lang.Object value)

An element was removed.

Parameters:

type - The element type used as prefix for the event (e.g. use 'goal' for 'goal_removed' events).

value - The element value (must be transferable).

elementChanged

public void elementChanged(java.lang.String type,
                           java.lang.Object value)

An element was changed.

Parameters:

type - The element type used as prefix for the event (e.g. use 'goal' for 'goal_changed' events).

value - The element value (must be transferable).

occurrenceAppeared

public void occurrenceAppeared(java.lang.String type,
                               java.lang.Object value)

An occurrence appeared.

Parameters:

type - The occurrence type used as prefix for the event (e.g. use 'step' for 'step_occurred' events).

value - The occurrence value (must be transferable).

startTimer

protected void startTimer()

equals

public boolean equals(java.lang.Object obj)

Test equality based on id.

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Hash code based on id.

Overrides:

hashCode in class java.lang.Object

dispose

protected void dispose()

Remove local listeners.