org.arquillian.spacelift.execution

Class Task<IN,OUT>

java.lang.Object

org.arquillian.spacelift.execution.Task<IN,OUT>

Type Parameters:

IN - Input type of this task. Can be Object to mark that input in not relevant for this task.

OUT - Output type of this task.

Direct Known Subclasses:

Tasks.InjectTask, Tool

public abstract class Task<IN,OUT>
extends Object

Representation of a task that can be executed by Arquillian Spacelift.

Author:

Karel Piwko

Constructor Summary

Constructors

Constructor and Description
Task()

Method Summary

Methods

Modifier and Type	Method and Description
Execution<OUT>	execute() Asynchronously executes current chain of tasks.
protected ExecutionService	getExecutionService() Returns ExecutionService.
protected abstract OUT	process(IN input) Represents a transformation of input into output.
protected OUT	run() Transforms a chain of tasks into action that will be executed asynchronously.
protected Task<IN,OUT>	setExecutionService(ExecutionService executionService) Sets ExecutionService to be used to execute this task asynchronously
protected void	setPreviousTask(Task<?,? extends IN> previous) Sets previous task
<OUT_2,TASK_2 extends Task<? super OUT,OUT_2>> TASK_2	then(Class<TASK_2> nextTask) Allows to connect current task with next task, given the output of this task matches input of next task

Methods inherited from class java.lang.Object

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

Constructor Detail

Task

public Task()

Method Detail

then

public <OUT_2,TASK_2 extends Task<? super OUT,OUT_2>> TASK_2 then(Class<TASK_2> nextTask)

Allows to connect current task with next task, given the output of this task matches input of next task

Parameters:

nextTask - Task to be executed right after this task is finished

Returns:

execute

public Execution<OUT> execute()
                       throws ExecutionException

Asynchronously executes current chain of tasks.

Returns:

Execution object that allows later retrieved result of the task

Throws:

ExecutionException

process

protected abstract OUT process(IN input)
                        throws Exception

Represents a transformation of input into output.

Parameters:

input - Input of this task, can be ignored

Returns:

Throws:

Exception - if processing fails for any reason

run

protected OUT run()
           throws ExecutionException

Transforms a chain of tasks into action that will be executed asynchronously.

Returns:

Throws:

ExecutionException

getExecutionService

protected ExecutionService getExecutionService()

Returns ExecutionService. If using Tasks or ToolRegistry, this method is guaranteed to never return null

Returns:

setPreviousTask

protected void setPreviousTask(Task<?,? extends IN> previous)

Sets previous task

Parameters:

previous -

setExecutionService

protected Task<IN,OUT> setExecutionService(ExecutionService executionService)

Sets ExecutionService to be used to execute this task asynchronously

Parameters:

executionService -

Returns: