org.demac.impl.j2me.process.ext.concurrency
Class MessageAdapter

java.lang.Object
  org.demac.impl.j2me.process.ext.concurrency.MessageAdapter

All Implemented Interfaces:

MessageSender, TransportListener

public class MessageAdapter
extends java.lang.Object
implements MessageSender, TransportListener

Simple message interface to send messages!

Field Summary

static java.lang.String

HANDLE_PREFIX

Constructor Summary

MessageAdapter(ProcessMessenger messenger)

Method Summary

void	addMessageReceiver(java.lang.String type, ActivityAddress aa, MessageReceiver receiver) Subscribe a MessageReceiver for receiving messages of a certain type for a specific ActivityAddress
void	deviceDetected(Device device) This method is called when the org.demac.transport.TransportService detects a new device and adds it to it's list of new devices.
void	deviceRemoved(Device device) This method is called when the org.demac.transport.TransportService removes a device from the list of known devices.
void	exceptionOccured(TransportException exception) This method is called to inform the implementing object about ocurred org.demac.transport.TransportException[s].
void	messageArrived(MessageHandle handle) By this method the implementing object is informed of an arrived message.
void	removeMessageReceiver(java.lang.String type, ActivityAddress aa, MessageReceiver receiver) Unsubsribes a MessageReceiver which was added with MessageSender.addMessageReceiver(String, ActivityAddress, MessageReceiver).
void	sendMessage(Message m) Sends a message

Methods inherited from class java.lang.Object

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

Field Detail

HANDLE_PREFIX

public static final java.lang.String HANDLE_PREFIX

See Also:

Constant Field Values

Constructor Detail

MessageAdapter

public MessageAdapter(ProcessMessenger messenger)

Method Detail

sendMessage

public void sendMessage(Message m)

Description copied from interface: MessageSender

Sends a message

Specified by:

sendMessage in interface MessageSender

Parameters:

m - Message

messageArrived

public void messageArrived(MessageHandle handle)

Description copied from interface: TransportListener

By this method the implementing object is informed of an arrived message. The message is referenced by its org.demac.transport.MessageHandle.

Specified by:

messageArrived in interface TransportListener

Parameters:

handle - the handle of the arrived message

addMessageReceiver

public void addMessageReceiver(java.lang.String type,
                               ActivityAddress aa,
                               MessageReceiver receiver)

Description copied from interface: MessageSender

Subscribe a MessageReceiver for receiving messages of a certain type for a specific ActivityAddress

Specified by:

addMessageReceiver in interface MessageSender

Parameters:

type - Type of Message

aa - Target-Address of Message

receiver - Class, which wants to receive these messages

removeMessageReceiver

public void removeMessageReceiver(java.lang.String type,
                                  ActivityAddress aa,
                                  MessageReceiver receiver)

Description copied from interface: MessageSender

Unsubsribes a MessageReceiver which was added with MessageSender.addMessageReceiver(String, ActivityAddress, MessageReceiver).

Specified by:

removeMessageReceiver in interface MessageSender

Parameters:

type - Type of Message

aa - Target-Address of Message

receiver - Class, which wants to unsubscribe

deviceDetected

public void deviceDetected(Device device)

Description copied from interface: TransportListener

This method is called when the org.demac.transport.TransportService detects a new device and adds it to it's list of new devices.

Specified by:

deviceDetected in interface TransportListener

Parameters:

device - the device which was detected

deviceRemoved

public void deviceRemoved(Device device)

Description copied from interface: TransportListener

This method is called when the org.demac.transport.TransportService removes a device from the list of known devices.

Specified by:

deviceRemoved in interface TransportListener

Parameters:

device - the device which was removed

exceptionOccured

public void exceptionOccured(TransportException exception)

Description copied from interface: TransportListener

This method is called to inform the implementing object about ocurred org.demac.transport.TransportException[s].

Specified by:

exceptionOccured in interface TransportListener

Parameters:

exception - the occured exception