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Java Source Code / Java Documentation » Workflow Engines » Dalma » dalma

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

dalma .Fiber

Fiber
abstract public class Fiber (Code)
	author: Kohsuke Kawaguchi

Method Summary
public static Fiber<T>	create(T entryPoint) Creates a new Fiber within the current conversation.
public static Fiber	currentFiber() Returns the Fiber that the current thread is executing.
abstract public Conversation	getOwner() Gets the Conversation that this fiber belongs to.
abstract public T	getRunnable() Gets the Runnable object that represents the entry point of this fiber. The state of Fiber is not always kept in memory.
abstract public FiberState	getState() Gets the current state of the fiber.
abstract public void	join() Waits until the execution of the fiber completes.
abstract public void	start() Starts executing this Fiber .

Method Detail

create
public static Fiber<T> create(T entryPoint)(Code)
	Creates a new Fiber within the current conversation.

currentFiber
public static Fiber currentFiber()(Code)
	Returns the Fiber that the current thread is executing. This mehtod can be only called from within the workflow. throws: IllegalStateException - if the calling thread isn't a workflow thread.

getOwner
abstract public Conversation getOwner()(Code)
	Gets the Conversation that this fiber belongs to. A Fiber always belongs to the same Conversation . never null

getRunnable
abstract public T getRunnable()(Code)
	Gets the Runnable object that represents the entry point of this fiber. The state of Fiber is not always kept in memory. For example, if a conversation is blocking on an event, its state is purged to the disk. Because of this, this method can be only invoked from other Fiber s in the same Conversation . never null. Always return the same Runnable objectgiven to create a new Fiber. throws: IllegalStateException - if this method is not invoked from a Fiber that belongsto the same Conversation.

getState
abstract public FiberState getState()(Code)
	Gets the current state of the fiber. never null

join

abstract public void join() throws InterruptedException(Code)

Waits until the execution of the fiber completes. This method works like Thread.join

If called from another fiber, the calling fiber suspends and blocks until this fiber exits (and the thread will be reused to execute other fibers.)

If called from outside conversations, the calling method simply Fiber.wait() waits .
throws:
IllegalStateException - If a fiber tries to join itself.
throws:
InterruptedException - If this thread is interrupted while waiting.

start
abstract public void start()(Code)
	Starts executing this Fiber . This method works just like Thread.start . throws: IllegalStateException - if this fiber is already started.

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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