orc.runtime.sites
Class KilimSite

java.lang.Object
  orc.runtime.values.Value
      orc.runtime.sites.Site
          orc.runtime.sites.KilimSite

All Implemented Interfaces:

Callable

public abstract class KilimSite
extends Site

Use Kilim to run a site with lightweight threads and no direct access to tokens.

The site's evaluate method is run in a Kilim Task. If the task calls Task.exit(Object), the token is killed; if the task throws an exception, the token is killed with an error. Otherwise the token uses the return value.

Killing a token will not automatically exit the corresponding task, because we don't know what kind of cleanup may be necessary and tasks don't provide a good way to define such.

Author:

quark

Field Summary

Fields inherited from class orc.runtime.values.Value

futureNotReady

Constructor Summary

KilimSite()

Method Summary

void	callSite(Args args, Token caller) Must be implemented by subclasses to implement the site behavior
abstract java.lang.Object	evaluate(Args args)
java.lang.Object	evaluate(Args args, kilim.Fiber f) FIXME: Kilim should add this method but it doesn't

Methods inherited from class orc.runtime.sites.Site

accept, createCall, enterTransaction, type

Methods inherited from class orc.runtime.values.Value

forceArg, forceCall, signal, write

Methods inherited from class java.lang.Object

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

Constructor Detail

KilimSite

public KilimSite()

Method Detail

callSite

public void callSite(Args args,
                     Token caller)
              throws TokenException

Description copied from class: Site

Must be implemented by subclasses to implement the site behavior

Specified by:

callSite in class Site

Parameters:

args - list of argument values

caller - where the result should be sent

Throws:

TokenException

evaluate

public abstract java.lang.Object evaluate(Args args)
                                   throws kilim.Pausable,
                                          TokenException

Throws:

kilim.Pausable

TokenException

evaluate

public java.lang.Object evaluate(Args args,
                                 kilim.Fiber f)
                          throws kilim.Pausable,
                                 TokenException

FIXME: Kilim should add this method but it doesn't

Throws:

kilim.Pausable

TokenException