net.captp.jcomm
Class RemotePromiseHandler

java.lang.Object
  |
  +--net.captp.jcomm.RemoteHandler
        |
        +--net.captp.jcomm.RemotePromiseHandler

All Implemented Interfaces:

ProxyHandler

class RemotePromiseHandler

extends RemoteHandler

Handles an unresolved remote reference (a RemotePromise).

Author:

Mark S. Miller

Field Summary

(package private) CapTPConnection	myConn Connection to the vat I point into
private boolean	myFreshFlag Flag to remember whether any E-level messages have been sent over me.
(package private) ProxyResolver	myResolver The Resolver of our Proxy, which also revives the Proxy on demand.

Constructor Summary

(package private)

RemotePromiseHandler(CapTPConnection connection, int pos) Construct a new RemotePromiseHandler.

Method Summary

(package private) void	countWireRef()
(package private) int	getPos()
SealedBox	handleOptSealedDispatch(Brand brand) How should my ref respond to an __optSealedDispatch request?
void	handleResolution(Object newTarget) Enabled: My Ref no longer needs me, as it's become equivalent to newTarget.
Ref	handleSendAll(String verb, Object[] args) Override to also clear myFreshFlag
void	handleSendAllOnly(String verb, Object[] args) Override to also clear myFreshFlag
boolean	isFresh() Have no E-level messages yet been sent over me?
void	reactToGC() Enabled: One of my Refs was GCed, and I have no current Ref.
boolean	sameConnection(Object other) Enabled: Are 'other' and the remote reference handled by 'this' part of the same comm system, and do they both connect to the same remote vat?

Methods inherited from class java.lang.Object

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

Field Detail

myFreshFlag

private boolean myFreshFlag

Flag to remember whether any E-level messages have been sent over me.

myConn

final CapTPConnection myConn

Connection to the vat I point into

myResolver

final ProxyResolver myResolver

The Resolver of our Proxy, which also revives the Proxy on demand.

Constructor Detail

RemotePromiseHandler

RemotePromiseHandler(CapTPConnection connection,
                     int pos)

Construct a new RemotePromiseHandler.

Parameters:

connection - The CapTPConnection to communicate via

pos - The Imports or Questions map pos of the object

Method Detail

handleSendAllOnly

public void handleSendAllOnly(String verb,
                              Object[] args)

Override to also clear myFreshFlag

Specified by:

handleSendAllOnly in interface ProxyHandler

Overrides:

handleSendAllOnly in class RemoteHandler

handleSendAll

public Ref handleSendAll(String verb,
                         Object[] args)

Override to also clear myFreshFlag

Specified by:

handleSendAll in interface ProxyHandler

Overrides:

handleSendAll in class RemoteHandler

isFresh

public boolean isFresh()

Have no E-level messages yet been sent over me?

handleOptSealedDispatch

public SealedBox handleOptSealedDispatch(Brand brand)

How should my ref respond to an __optSealedDispatch request?

Specified by:

handleOptSealedDispatch in interface ProxyHandler

handleResolution

public void handleResolution(Object newTarget)

Description copied from interface: ProxyHandler

Enabled: My Ref no longer needs me, as it's become equivalent to newTarget.

Specified by:

handleResolution in interface ProxyHandler

reactToGC

public void reactToGC()

Description copied from interface: ProxyHandler

Enabled: One of my Refs was GCed, and I have no current Ref.

Specified by:

reactToGC in interface ProxyHandler

getPos

int getPos()

countWireRef

void countWireRef()

sameConnection

public boolean sameConnection(Object other)

Description copied from interface: ProxyHandler

Enabled: Are 'other' and the remote reference handled by 'this' part of the same comm system, and do they both connect to the same remote vat?

Specified by:

sameConnection in interface ProxyHandler