edu.umn.cs.crisys
Class RSM.ReceiveInterface

java.lang.Object
  |
  +--edu.umn.cs.crisys.RSM.Interface
        |
        +--edu.umn.cs.crisys.RSM.ReceiveInterface

All Implemented Interfaces:

java.util.Observer

Enclosing class:

RSM

public static final class RSM.ReceiveInterface

extends edu.umn.cs.crisys.RSM.Interface

implements java.util.Observer

RSML-e Receive Interfaces. Automatically calls the state-machine's next method (synchronously) whenever an input message is received.

Field Summary

protected boolean	isOpen flag to indicate state of this RMSL-e interface.
protected edu.umn.cs.crisys.nimbus.NimbusJavaWrapper	myChannel
edu.umn.cs.crisys.RSM.Message	myMessage Reference to my message object which stores the latest message on this interface.
java.lang.String	myName Descriptive name for this interface.

Constructor Summary

RSM.ReceiveInterface(java.lang.String name, java.lang.String channelName, edu.umn.cs.crisys.RSM.Message msg)
Constructor.

Method Summary

void	close() Closes the interface.
void	open() Initializes interface for communication by calling super.open().
void	update(java.util.Observable o, java.lang.Object arg) The method that gets invoked from the COM channel framework when a message is received.

Methods inherited from class java.lang.Object

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

Field Detail

myName

public final java.lang.String myName

Descriptive name for this interface.

myChannel

protected edu.umn.cs.crisys.nimbus.NimbusJavaWrapper myChannel

myMessage

public final edu.umn.cs.crisys.RSM.Message myMessage

Reference to my message object which stores the latest message on this interface.

isOpen

protected boolean isOpen

flag to indicate state of this RMSL-e interface.

Constructor Detail

RSM.ReceiveInterface

public RSM.ReceiveInterface(java.lang.String name,
                            java.lang.String channelName,
                            edu.umn.cs.crisys.RSM.Message msg)

Constructor. Calls the interface constructor with the passed parameters adding the appropriate channel type.

Method Detail

open

public void open()

Initializes interface for communication by calling super.open(). Registers itself as an observer with its channel so that it is notified when messages are received.

Overrides:

open in class edu.umn.cs.crisys.RSM.Interface

update

public void update(java.util.Observable o,
                   java.lang.Object arg)

The method that gets invoked from the COM channel framework when a message is received. This in turn calls the state machine, if it is running, to execute its next step computation.

Specified by:

update in interface java.util.Observer

close

public void close()

Closes the interface. Unregisters it with the COM channel framework. Must be called when sate-machine is shutdown.