org.drools.concurrent
Class ExternalExecutorService.TaskManager

java.lang.Object
  org.drools.concurrent.ExternalExecutorService.TaskManager

All Implemented Interfaces:

ExternalExecutorService.TaskObserver

Enclosing class:

ExternalExecutorService

protected static class ExternalExecutorService.TaskManager
extends Object
implements ExternalExecutorService.TaskObserver

An implementation of the TaskObserver interface that keeps a map of submitted, but not executed tasks. Whenever one of the ObservableTasks is executed, it is removed from the map.

Field Summary

protected static org.slf4j.Logger

logger

Constructor Summary

ExternalExecutorService.TaskManager()

Method Summary

void	afterTaskFinishes(Callable<?> task, Thread thread)
void	afterTaskFinishes(Runnable task, Thread thread)
void	beforeTaskStarts(Callable<?> task, Thread thread)
void	beforeTaskStarts(Runnable task, Thread thread)
void	cleanUpTasks()
void	taskExceptionRaised(Runnable task, Thread thread, Throwable t)
<T> Callable<T>	trackTask(Callable<T> task) Creates an ObservableCallable instance for the given task and tracks the task execution
Runnable	trackTask(Runnable task) Creates an ObservableRunnable instance for the given task and tracks the task execution
Collection	trackTasks(Collection tasksToTrack) Creates an ObservableCallable instance for each of the given taks and track their execution
void	waitUntilEmpty()

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected static transient org.slf4j.Logger logger

Constructor Detail

ExternalExecutorService.TaskManager

public ExternalExecutorService.TaskManager()

Method Detail

waitUntilEmpty

public void waitUntilEmpty()

cleanUpTasks

public void cleanUpTasks()

trackTask

public Runnable trackTask(Runnable task)

Creates an ObservableRunnable instance for the given task and tracks the task execution

Parameters:

task - the task to track

Returns:

the observable instance of the given task

trackTask

public <T> Callable<T> trackTask(Callable<T> task)

Creates an ObservableCallable instance for the given task and tracks the task execution

Parameters:

task - the task to track

Returns:

the observable instance of the given task

trackTasks

public Collection trackTasks(Collection tasksToTrack)

Creates an ObservableCallable instance for each of the given taks and track their execution

Parameters:

tasksToTrack - the collection of tasks to track

Returns:

the collection of ObservableCallable tasks

afterTaskFinishes

public void afterTaskFinishes(Runnable task,
                              Thread thread)

Specified by:

afterTaskFinishes in interface ExternalExecutorService.TaskObserver

afterTaskFinishes

public void afterTaskFinishes(Callable<?> task,
                              Thread thread)

Specified by:

afterTaskFinishes in interface ExternalExecutorService.TaskObserver

beforeTaskStarts

public void beforeTaskStarts(Runnable task,
                             Thread thread)

Specified by:

beforeTaskStarts in interface ExternalExecutorService.TaskObserver

beforeTaskStarts

public void beforeTaskStarts(Callable<?> task,
                             Thread thread)

Specified by:

beforeTaskStarts in interface ExternalExecutorService.TaskObserver

taskExceptionRaised

public void taskExceptionRaised(Runnable task,
                                Thread thread,
                                Throwable t)

Specified by:

taskExceptionRaised in interface ExternalExecutorService.TaskObserver