org.objectweb.dream.control.activity.manager
Interface TaskManager

All Known Implementing Classes:

TaskManagerImpl

public interface TaskManager

A control interface to manage tasks.

Field Summary

static String

ITF_NAME Default name of this interface.

Method Summary

Task[]	getTasks() Returns the tasks that have been registered.
void	interruptTask(Task task, TaskStoppedListener listener) Interrupts the specified task.
void	registerTask(Task task, Map hints) Registers a new task.
void	unregisterTask(Task task) Unregisters the specified task.

Field Detail

ITF_NAME

static final String ITF_NAME

Default name of this interface.

See Also:

Constant Field Values

Method Detail

registerTask

void registerTask(Task task,
                  Map hints)
                  throws IllegalTaskException

Registers a new task.

Parameters:

task - the task to be registered.

hints - additionnal parameters.

Throws:

IllegalTaskException - if an error occurs.

unregisterTask

void unregisterTask(Task task)
                    throws IllegalTaskException,
                           InterruptedException

Unregisters the specified task.

Parameters:

task - the task to be unregistered.

Throws:

IllegalTaskException - if an error occurs.

InterruptedException - if the method is interrupted

interruptTask

void interruptTask(Task task,
                   TaskStoppedListener listener)
                   throws IllegalTaskException

Interrupts the specified task. An interrupted task is no more executed. The given listener is notified when the task is stopped. The interrupted task should then be unregistered from the activity manager.

Parameters:

task - the task to interrupt.

listener - the listener that is notified when the task is interrupted. Can be null.

Throws:

IllegalTaskException - if the given task is unknown.

getTasks

Task[] getTasks()

Returns the tasks that have been registered.

Returns:

the tasks that have been registered.