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org.gradle.api.tasks
[Java] Interface TaskOutputs

public interface TaskOutputs

A TaskOutputs represents the outputs of a task.

You can obtain a TaskOutputs instance using Task.getOutputs.

Method Summary
TaskOutputs dir(Object path)

Registers an output directory for this task.
TaskOutputs file(Object path)

Registers some output file for this task.
TaskOutputs files(Object... paths)

Registers some output files for this task.
FileCollection getFiles()

Returns the output files of this task.
boolean getHasOutput()

Returns true if this task has declared any outputs.

void upToDateWhen(Closure upToDateClosure)

void upToDateWhen(Spec upToDateSpec)

 

Method Detail

dir

public TaskOutputs dir(Object path)
Registers an output directory for this task.
Parameters:
path - The output directory. The given path is evaluated as per Project.file.
Returns:
this

file

public TaskOutputs file(Object path)
Registers some output file for this task.
Parameters:
path - The output file. The given path is evaluated as per Project.file.
Returns:
this

files

public TaskOutputs files(Object... paths)
Registers some output files for this task.
Parameters:
paths - The output files. The given paths are evaluated as per Project.files.
Returns:
this

getFiles

public FileCollection getFiles()
Returns the output files of this task.
Returns:
The output files. Returns an empty collection if this task has no output files.

getHasOutput

public boolean getHasOutput()
Returns true if this task has declared any outputs. Note that a task may be able to produce output files and still have an empty set of output files.
Returns:
true if this task has declared any outputs, otherwise false.

upToDateWhen

public void upToDateWhen(Closure upToDateClosure)

Adds a predicate to determine whether the outputs of this task are up-to-date. The given closure is executed at task execution time. The closure is passed the task as a parameter. If the closure returns false, the task outputs are considered out-of-date and the task will be executed.

You can add multiple such predicates. The task outputs are considered out-of-date when any predicate returns false.

Parameters:
upToDateClosure - The closure to use to determine whether the task outputs are up-to-date.

upToDateWhen

public void upToDateWhen(Spec upToDateSpec)

Adds a predicate to determine whether the outputs of this task are up-to-date. The given spec is evaluated at task execution time. If the spec returns false, the task outputs are considered out-of-date and the task will be executed.

You can add multiple such predicates. The task outputs are considered out-of-date when any predicate returns false.

Parameters:
upToDateSpec - The spec to use to determine whether the task outputs are up-to-date.

 

Gradle API 1.8