org.glassfish.hk2.runlevel.internal

Class AsyncRunLevelContext

java.lang.Object

org.glassfish.hk2.runlevel.internal.AsyncRunLevelContext

@Service
@Visibility(value=LOCAL)
public class AsyncRunLevelContext
extends Object

Author:

jwells

Method Summary

Methods

Modifier and Type	Method and Description
boolean	containsKey(ActiveDescriptor<?> descriptor) The Context API for discovering if a descriptor has been created
void	destroyOne(ActiveDescriptor<?> descriptor) The Context API.
<U> U	findOrCreate(ActiveDescriptor<U> activeDescriptor, ServiceHandle<?> root) This is from the Context API, called by the wrapper
RunLevelFuture	getCurrentFuture() Gets the current task
RunLevelFuture	proceedTo(int level) This method is called to change the proceedTo level of the system

Methods inherited from class java.lang.Object

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

Method Detail

findOrCreate

public <U> U findOrCreate(ActiveDescriptor<U> activeDescriptor,
                 ServiceHandle<?> root)

This is from the Context API, called by the wrapper

Parameters:

activeDescriptor - the descriptor to create

root - The root descriptor

Returns:

The object created

containsKey

public boolean containsKey(ActiveDescriptor<?> descriptor)

The Context API for discovering if a descriptor has been created

Parameters:

descriptor - The descriptor to find

Returns:

true if already created, false otherwise

destroyOne

public void destroyOne(ActiveDescriptor<?> descriptor)

The Context API. Removes a descriptor from the set

Parameters:

descriptor - The descriptor to destroy

proceedTo

public RunLevelFuture proceedTo(int level)
                         throws CurrentlyRunningException

This method is called to change the proceedTo level of the system

Parameters:

level - The level to change to

Returns:

A non-null RunLevelFuture that is the handle to give the caller

Throws:

CurrentlyRunningException - If there is already a running job

getCurrentFuture

public RunLevelFuture getCurrentFuture()

Gets the current task

Returns:

The current task, may be null if there is no current task