com.facebook.litho

Class ThreadPoolLayoutHandler

java.lang.Object

com.facebook.litho.ThreadPoolLayoutHandler

All Implemented Interfaces:

RunnableHandler

public class ThreadPoolLayoutHandler
extends java.lang.Object
implements RunnableHandler

LithoHandler implementation that uses a thread pool to calculate the layout.

Nested Class Summary

Nested classes/interfaces inherited from interface com.facebook.rendercore.RunnableHandler

RunnableHandler.DefaultHandler

Field Summary

Fields

Modifier and Type	Field and Description
static LayoutThreadPoolConfiguration	DEFAULT_LAYOUT_THREAD_POOL_CONFIGURATION

Method Summary

Modifier and Type	Method and Description
static RunnableHandler	getDefaultInstance() Gets the default static singleton reference to ThreadPoolLayoutHandler.
static RunnableHandler	getNewInstance(LayoutThreadPoolConfiguration configuration) Creates a new ThreadPoolLayoutHandler with the provided configuration.
boolean	isTracing()
void	post(java.lang.Runnable runnable, java.lang.String tag)
void	postAtFront(java.lang.Runnable runnable, java.lang.String tag)
void	remove(java.lang.Runnable runnable)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_LAYOUT_THREAD_POOL_CONFIGURATION

public static final LayoutThreadPoolConfiguration DEFAULT_LAYOUT_THREAD_POOL_CONFIGURATION

Method Detail

getDefaultInstance

public static RunnableHandler getDefaultInstance()

Gets the default static singleton reference to ThreadPoolLayoutHandler. It is preferred to use the default thread pool in order prevent the app creating too many threads.

Returns:

default ThreadPoolLayoutHandler.

getNewInstance

public static RunnableHandler getNewInstance(LayoutThreadPoolConfiguration configuration)

Creates a new ThreadPoolLayoutHandler with the provided configuration. This method will create a new ThreadPoolExecutor which can negatively affect the performance of the app.

Parameters:

configuration - LayoutThreadPoolConfiguration specifying core and max pool size, and thread priority

Returns:

new instance with a separate ThreadPoolExecutor with specified configuration.

isTracing

public boolean isTracing()

Specified by:

isTracing in interface RunnableHandler

post

public void post(java.lang.Runnable runnable,
                 java.lang.String tag)

Specified by:

post in interface RunnableHandler

postAtFront

public void postAtFront(java.lang.Runnable runnable,
                        java.lang.String tag)

Specified by:

postAtFront in interface RunnableHandler

remove

public void remove(java.lang.Runnable runnable)

Specified by:

remove in interface RunnableHandler