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

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Class Diagram

Java Document (Java Doc)

dalma.impl .FiberImpl

FiberImpl

final public class FiberImpl extends FiberSPI implements Serializable,ConditionListener(Code)

Smallest execution unit inside a Conversation .

Persistence and Fiber

Fiber can be persisted when it's FiberState.CREATED and FiberState.WAITING .
author:
Kohsuke Kawaguchi

Inner Class :static class PersistedData implements Serializable

Field Summary
final int	id Uniquely identifies FiberImpl among other fibers that belong to the same owner.
final ConversationImpl	owner Conversation to which this FiberImpl belongs to.

Constructor Summary
	FiberImpl(ConversationImpl owner, T init)

Method Summary
public static FiberImpl<T>	create(T entryPoint)
public static FiberImpl	currentFiber(boolean mustReturnNonNull) Gets the Fiber that the current thread is executing.
PersistedData<T>	dehydrate() Called when the state of the FiberImpl is being moved to the disk.
public ConversationImpl	getOwner()
public T	getRunnable()
public FiberState	getState()
protected synchronized Set<FiberCompletionCondition>	getWaitList()
void	hydrate(PersistedData<T> c) Called when the state of the FiberImpl is being moved from the disk.
public synchronized void	join()
public synchronized void	onActivated(Condition cond) Called by the endpoint threads when FiberImpl.cond becomes active.
void	onLoad() Called after the conversation is restored from the disk.
synchronized void	remove()
public synchronized void	run() Called from the executor thread to run this fiber until it suspends or completes. This method is synchronized to prevent a still-running conversation from being run again concurrently, which happens when: 1.
public void	start()
public synchronized T	suspend(Condition<T> c)

Field Detail

id
final int id(Code)
	Uniquely identifies FiberImpl among other fibers that belong to the same owner. Necessary for serialization of the continuation to work correctly.

owner
final ConversationImpl owner(Code)
	Conversation to which this FiberImpl belongs to.

Constructor Detail

FiberImpl
FiberImpl(ConversationImpl owner, T init)(Code)

Method Detail

create
public static FiberImpl<T> create(T entryPoint)(Code)
	See Also: Fiber.create(Runnable)

currentFiber
public static FiberImpl currentFiber(boolean mustReturnNonNull)(Code)
	Gets the Fiber that the current thread is executing. Parameters: mustReturnNonNull - if true and the current thread isn't executing any fiber, this methodthrows an exception.

dehydrate
PersistedData<T> dehydrate()(Code)
	Called when the state of the FiberImpl is being moved to the disk.

getOwner
public ConversationImpl getOwner()(Code)

getRunnable
public T getRunnable()(Code)

getState
public FiberState getState()(Code)

getWaitList
protected synchronized Set<FiberCompletionCondition> getWaitList()(Code)

hydrate
void hydrate(PersistedData<T> c)(Code)
	Called when the state of the FiberImpl is being moved from the disk.

join
public synchronized void join() throws InterruptedException(Code)

onActivated
public synchronized void onActivated(Condition cond)(Code)
	Called by the endpoint threads when FiberImpl.cond becomes active.

onLoad
void onLoad()(Code)
	Called after the conversation is restored from the disk.

remove
synchronized void remove()(Code)
	Called by ConversationImpl to clean up this fiber (as a part of removing the whole conversation.)

run
public synchronized void run()(Code)
	Called from the executor thread to run this fiber until it suspends or completes. This method is synchronized to prevent a still-running conversation from being run again concurrently, which happens when: 1. a dock parks 2. a signal arrives and conversation resumes 3. the conversation gets queued and picked up 4. the conversation gets run

start
public void start()(Code)

suspend
public synchronized T suspend(Condition<T> c)(Code)

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