Package io.jmix.flowui.backgroundtask.impl

Class BackgroundWorkerImpl

java.lang.Object

io.jmix.flowui.backgroundtask.impl.BackgroundWorkerImpl

All Implemented Interfaces:

BackgroundWorker

@Component("flowui_BackgroundWorkerImpl")
public class BackgroundWorkerImpl
extends Object
implements BackgroundWorker

Implementation of BackgroundWorker.

Field Summary

Fields

Modifier and Type	Field	Description
protected org.springframework.context.ApplicationEventPublisher	applicationEventPublisher
protected BackgroundTaskWatchDog	backgroundTaskWatchDog
protected CurrentAuthentication	currentAuthentication
protected ExecutorService	executorService
protected UiBackgroundTaskProperties	properties
protected TimeSource	timeSource

Constructor Summary

Constructors

Constructor	Description
BackgroundWorkerImpl()

Method Summary

Modifier and Type	Method	Description
void	checkUIAccess()
protected void	createThreadPoolExecutor()
void	destroy()
UIAccessor	getUIAccessor()	Obtains UI access for later use from background thread.
<T, V> BackgroundTaskHandler<V>	handle(BackgroundTask<T,V> task)	Creates handler for a background task.
void	setProperties(UiBackgroundTaskProperties properties)

Methods inherited from class java.lang.Object

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

Field Details

backgroundTaskWatchDog

@Autowired
protected BackgroundTaskWatchDog backgroundTaskWatchDog

currentAuthentication

@Autowired
protected CurrentAuthentication currentAuthentication

applicationEventPublisher

@Autowired
protected org.springframework.context.ApplicationEventPublisher applicationEventPublisher

timeSource

@Autowired
protected TimeSource timeSource

properties

protected UiBackgroundTaskProperties properties

executorService

protected ExecutorService executorService

Constructor Details

BackgroundWorkerImpl

public BackgroundWorkerImpl()

Method Details

setProperties

@Autowired
public void setProperties(UiBackgroundTaskProperties properties)

createThreadPoolExecutor

protected void createThreadPoolExecutor()

destroy

@PreDestroy
public void destroy()

handle

public <T,
V> BackgroundTaskHandler<V> handle(BackgroundTask<T,V> task)

Description copied from interface: BackgroundWorker

Creates handler for a background task. The handler is used to control the task execution.

Specified by:

handle in interface BackgroundWorker

Type Parameters:

T - progress measure unit

V - task result type

Parameters:

task - background task instance

Returns:

task handler

getUIAccessor

public UIAccessor getUIAccessor()

Description copied from interface: BackgroundWorker

Obtains UI access for later use from background thread. Can be invoked only from UI thread.

Specified by:

getUIAccessor in interface BackgroundWorker

Returns:

ui accessor object that allows to read/write state of UI

checkUIAccess

public void checkUIAccess()

Specified by:

checkUIAccess in interface BackgroundWorker