com.sun.spot.interisolate
Class RequestEnvelope

java.lang.Object
  com.sun.squawk.io.mailboxes.Envelope
      com.sun.spot.interisolate.RequestEnvelope

Direct Known Subclasses:

AddCommand, ProxyDriverRequestEnvelope, RemoveCommand

public abstract class RequestEnvelope
extends Envelope

Constructor Summary

RequestEnvelope()

Method Summary

abstract ReplyEnvelope	execute(Object context)
Object	getContents() Return the contents of the envelope.
ReplyEnvelope	sendOn(Channel channel) Send the request off to the other isolate, where it will get executed.

Methods inherited from class com.sun.squawk.io.mailboxes.Envelope

checkCallContext, getReplyAddress, getToAddress

Methods inherited from class java.lang.Object

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

Constructor Detail

RequestEnvelope

public RequestEnvelope()

Method Detail

getContents

public Object getContents()

Description copied from class: Envelope

Return the contents of the envelope. This should only be called by the receiver of the envelope. All implementations should call checkCallContext.

Specified by:

getContents in class Envelope

Returns:

the contents of the envelope

execute

public abstract ReplyEnvelope execute(Object context)
                               throws Exception

Parameters:

context - An arbitrary object that the request needs to execute itself

Returns:

Throws:

Exception

sendOn

public ReplyEnvelope sendOn(Channel channel)

Send the request off to the other isolate, where it will get executed.

Parameters:

channel -

Returns:

the ReplyEnvelope representing the result of the remote execute.