com.facebook.buck.core.graph.transformation.executor

Class DepsAwareTask<T,Impl extends DepsAwareTask<T,Impl>>

java.lang.Object

com.facebook.buck.core.graph.transformation.executor.DepsAwareTask<T,Impl>

Type Parameters:

T - the result type of the task

Impl - The implementation type of

public abstract class DepsAwareTask<T,Impl extends DepsAwareTask<T,Impl>>
extends Object

Task to be ran in a DepsAwareExecutor. This task will offer dependency discovery to the executor so that the executor can perform better scheduling.

The task uses DepsAwareTask.DepsSupplier to mark what dependencies are needed.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DepsAwareTask.DepsSupplier<Impl> The dependency information of a task.

Field Summary

Fields

Modifier and Type	Field and Description
protected CompletableFuture<T>	result

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DepsAwareTask(Callable<T> callable, DepsAwareTask.DepsSupplier<Impl> depsSupplier)

Method Summary

Modifier and Type	Method and Description
Callable<T>	getCallable()
DepsAwareTask.DepsSupplier<Impl>	getDepsSupplier()
Future<T>	getResultFuture()

Methods inherited from class java.lang.Object

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

Field Detail

result

protected final CompletableFuture<T> result

Constructor Detail

DepsAwareTask

protected DepsAwareTask(Callable<T> callable,
                        DepsAwareTask.DepsSupplier<Impl> depsSupplier)

Method Detail

getCallable

public Callable<T> getCallable()

Returns:

the function to run for this task

getDepsSupplier

public DepsAwareTask.DepsSupplier<Impl> getDepsSupplier()

Returns:

a function to generate the dependencies

getResultFuture

public Future<T> getResultFuture()

Returns:

a future of the result of this task