AbstractProducerToDataSourceAdapter

extends AbstractDataSource<T>
implements HasImageRequest

java.lang.Object
↳	com.facebook.datasource.AbstractDataSource<T>
	↳	com.facebook.imagepipeline.datasource.AbstractProducerToDataSourceAdapter<T>

Known Direct Subclasses

CloseableProducerToDataSourceAdapter<T>, ProducerToDataSourceAdapter<T>

Class Overview

DataSource backed by a Producer

Protected Constructors
	AbstractProducerToDataSourceAdapter(Producer<T> producer, SettableProducerContext settableProducerContext, RequestListener2 requestListener)

Public Methods
boolean	close() Cancels the ongoing request and releases all associated resources.
ImageRequest	getImageRequest()

Protected Methods
Map<String, Object>	getExtras(ProducerContext producerContext)
void	onNewResultImpl(T result, int status, ProducerContext producerContext)

Inherited Methods

boolean	close() Cancels the ongoing request and releases all associated resources.
void	closeResult(T result) Subclasses should override this method to close the result that is not needed anymore.
static AbstractDataSource.DataSourceInstrumenter	getDataSourceInstrumenter()
Map<String, Object>	getExtras()
synchronized Throwable	getFailureCause()
synchronized float	getProgress()
synchronized T	getResult() The most recent result of the asynchronous computation.
synchronized boolean	hasFailed()
boolean	hasMultipleResults()
synchronized boolean	hasResult()
synchronized boolean	isClosed()
synchronized boolean	isFinished()
void	notifyDataSubscriber(DataSubscriber<T> dataSubscriber, Executor executor, boolean isFailure, boolean isCancellation)
void	notifyProgressUpdate()
static void	provideInstrumenter(AbstractDataSource.DataSourceInstrumenter dataSourceInstrumenter)
void	setExtras(Map<String, Object> extras)
boolean	setFailure(Throwable throwable) Subclasses should invoke this method to set the failure.
boolean	setFailure(Throwable throwable, Map<String, Object> extras)
boolean	setProgress(float progress) Subclasses should invoke this method to set the progress.
boolean	setResult(T value, boolean isLast, Map<String, Object> extras) Subclasses should invoke this method to set the result to `value`.
boolean	setResult(T value, boolean isLast)
void	subscribe(DataSubscriber<T> dataSubscriber, Executor executor) Subscribe for notifications whenever the state of the DataSource changes.

From class java.lang.Object

abstract boolean	close() Cancels the ongoing request and releases all associated resources.
abstract Map<String, Object>	getExtras()
abstract Throwable	getFailureCause()
abstract float	getProgress()
abstract T	getResult() The most recent result of the asynchronous computation.
abstract boolean	hasFailed()
abstract boolean	hasMultipleResults()
abstract boolean	hasResult()
abstract boolean	isClosed()
abstract boolean	isFinished()
abstract void	subscribe(DataSubscriber<T> dataSubscriber, Executor executor) Subscribe for notifications whenever the state of the DataSource changes.

Cancels the ongoing request and releases all associated resources.

Subsequent calls to getResult() will return null.