org.opentrafficsim.imb.observers

Interface Observer

All Known Implementing Classes:

IMBObserver

public interface Observer

Copyright (c) 2013-2016 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See OpenTrafficSim License.

Version:

$Revision$, $LastChangedDate$, by $Author$, initial version Aug 19, 2016

Author:

Alexander Verbraeck, Peter Knoppers, Wouter Schakel

Field Summary

Fields

Modifier and Type	Field and Description
static int	CHANGE The object changed state.
static int	DELETE The object was destroyed.
static int	NEW New object was created.

Method Summary

Modifier and Type	Method and Description
boolean	postMessage(String eventName, int eventType, Object[] args) Compose a message containing the specified objects and send it to recipients.

Field Detail

NEW

static final int NEW

New object was created.

See Also:

Constant Field Values

CHANGE

static final int CHANGE

The object changed state.

See Also:

Constant Field Values

DELETE

static final int DELETE

The object was destroyed.

See Also:

Constant Field Values

Method Detail

postMessage

boolean postMessage(String eventName,
                    int eventType,
                    Object[] args)
             throws Exception

Compose a message containing the specified objects and send it to recipients.

Parameters:

eventName - String; publication

eventType - int; one of NEW, CHANGE, or DELETE

args - Object[]; the objects to send

Returns:

boolean; true on success, false on failure

Throws:

Exception - when the event name is not a registered publication