provided.compute

Interface ITask<T>

Type Parameters:

T - The type of the returned result of the task

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

GetInfo, Pi2, SingletonTaskFactoryLoader.ErrorTask

public interface ITask<T>
extends java.io.Serializable

A abstract task to be run on the computer engine. A task is a FULLY SERIALIZABLE object that is wholly transmitted from the client to the compute engine. A task is NOT an RMI Server object!! No stubs should ever be made from this object.

Method Summary

Modifier and Type	Method and Description
T	execute() Executes the task and returns a result
ITaskResultFormatter<T>	getFormatter() Get an instance of the matched ITaskResultFormatter for this task.
void	setTaskViewAdapter(ILocalTaskViewAdapter viewAdapter) Sets the adapter to the view properly for this object.

Method Detail

execute

T execute()
   throws java.rmi.RemoteException

Executes the task and returns a result

Returns:

The result of executing the task.

Throws:

java.rmi.RemoteException - thrown when a network error occurs.

setTaskViewAdapter

void setTaskViewAdapter(ILocalTaskViewAdapter viewAdapter)

Sets the adapter to the view properly for this object. Note that this setter must be separate from the an ITask implementation's constructor because the compute engine needs to set this adapter when it receives an ITask from a remote client.

Parameters:

viewAdapter - an adapter to the view.

getFormatter

ITaskResultFormatter<T> getFormatter()

Get an instance of the matched ITaskResultFormatter for this task.

Returns:

A formatter customized for this task object.