org.apache.cocoon.components.flow.java
Class Continuation

java.lang.Object
  org.apache.cocoon.components.flow.java.Continuation

public class Continuation
extends Object

Continuation object to store the current execution. The continuation object can only used once.

Version:

CVS $Id: Continuation.html 1304258 2012-03-23 10:09:27Z ilgrosso $

Author:

Stephan Michels, Torsten Curdt

Field Summary

boolean	capturing
boolean	restoring

Constructor Summary

Continuation(Continuation parent, Object context)
Create a new continuation, which continue a previous continuation.

Continuation(String functionName, Object context)
Create new continuation.

Method Summary

static Continuation	currentContinuation() Return the continuation, which is associated to the current thread.
void	deregisterThread() Unbind the continuation to running thread.
Object	getContext() Return context object, which is associated to this continuation.
String	getFunctionName()
ContinuationStack	getStack() Return the stack, which is used to store the frame information.
boolean	isCapturing() True, if the continuation freezes the stack trace, and stops the continuation.
boolean	isRestoring() True, if the continuation restores the previous stack trace to the last invocation of suspend().
void	registerThread() Bind the continuation to running thread.
static void	suspend() Suspend the running continuation or restore the suspended continuation.

Methods inherited from class java.lang.Object

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

Field Detail

restoring

public boolean restoring

capturing

public boolean capturing

Constructor Detail

Continuation

public Continuation(String functionName,
                    Object context)

Create new continuation.

Continuation

public Continuation(Continuation parent,
                    Object context)

Create a new continuation, which continue a previous continuation.

Method Detail

getFunctionName

public String getFunctionName()

getStack

public ContinuationStack getStack()

Return the stack, which is used to store the frame information.

getContext

public Object getContext()

Return context object, which is associated to this continuation.

suspend

public static void suspend()

Suspend the running continuation or restore the suspended continuation. With the help of byte code manipulation this method is run twice, once at the end of request 1 to suspend the continuation and a second time at the beginning of the request 2.

isRestoring

public boolean isRestoring()

True, if the continuation restores the previous stack trace to the last invocation of suspend().

isCapturing

public boolean isCapturing()

True, if the continuation freezes the stack trace, and stops the continuation.

registerThread

public void registerThread()

Bind the continuation to running thread.

deregisterThread

public void deregisterThread()

Unbind the continuation to running thread.

currentContinuation

public static Continuation currentContinuation()

Return the continuation, which is associated to the current thread.