org.erights.e.elib.ref
Class Switcher

java.lang.Object
  |
  +--org.erights.e.elib.ref.Switcher

Deprecated. Currently unused, so we may decide to retire this.

public class Switcher

extends Object

Untamed: The facet of a switchable promise for switching the object being offered as the resolution of the promise, or for committing to the current one. The Switcher can continue switching the Ref's target until commit()ted.

Author:

Mark S. Miller

Field Summary

private Ref

myOptRef Deprecated. Once it's done, it stops pointing at the Ref.

Constructor Summary

(package private)

Switcher(Ref sRef) Deprecated. sRef should still be in a swicthable state, and this should be its only resolver.

Method Summary

void	__printOn(TextWriter out) Deprecated. Enabled:
boolean	commit() Deprecated. Enabled: Become done.
boolean	isDone() Deprecated. Enabled: @see Resolver#isDone
void	setTarget(Object target) Deprecated. Enabled: Queues all accumulated and future messages for delivery to target.

Methods inherited from class java.lang.Object

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

Field Detail

myOptRef

private Ref myOptRef

Deprecated.

Once it's done, it stops pointing at the Ref.

Constructor Detail

Switcher

Switcher(Ref sRef)

Deprecated.

sRef should still be in a swicthable state, and this should be its only resolver.

Method Detail

setTarget

public void setTarget(Object target)

Deprecated.

Enabled: Queues all accumulated and future messages for delivery to target. If isDone(), an exception is thrown instead.

isDone

public boolean isDone()

Deprecated.

Enabled: @see Resolver#isDone

commit

public boolean commit()

Deprecated.

Enabled: Become done. Return false is already done.

__printOn

public void __printOn(TextWriter out)
               throws IOException

Deprecated.

Enabled:

IOException