com.haulmont.cuba.gui.executors.impl

Class TasksWatchDog

java.lang.Object

com.haulmont.cuba.gui.executors.impl.TasksWatchDog

All Implemented Interfaces:

WatchDog

@ThreadSafe
public abstract class TasksWatchDog
extends java.lang.Object
implements WatchDog

WatchDog for BackgroundWorker.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TasksWatchDog.ExecutionStatus

Field Summary

Fields

Modifier and Type	Field and Description
protected TimeSource	timeSource

Fields inherited from interface com.haulmont.cuba.gui.executors.WatchDog

NAME

Constructor Summary

Constructors

Constructor and Description
TasksWatchDog()

Method Summary

Modifier and Type	Method and Description
void	cleanupTasks() Remove finished, canceled or hangup tasks.
int	getActiveTasksCount()
protected abstract TasksWatchDog.ExecutionStatus	getExecutionStatus(long actualTimeMs, TaskHandlerImpl taskHandler)
void	manageTask(TaskHandlerImpl taskHandler) Add task under WatchDog control.
void	removeTask(TaskHandlerImpl taskHandler) Task completed, remove it from watches.
void	stopTasks() Stop execution of all background tasks.

Methods inherited from class java.lang.Object

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

Field Detail

timeSource

@Inject
protected TimeSource timeSource

Constructor Detail

TasksWatchDog

public TasksWatchDog()

Method Detail

cleanupTasks

public void cleanupTasks()

Description copied from interface: WatchDog

Remove finished, canceled or hangup tasks.

Specified by:

cleanupTasks in interface WatchDog

getExecutionStatus

protected abstract TasksWatchDog.ExecutionStatus getExecutionStatus(long actualTimeMs,
                                                                    TaskHandlerImpl taskHandler)

stopTasks

public void stopTasks()

Description copied from interface: WatchDog

Stop execution of all background tasks.

Specified by:

stopTasks in interface WatchDog

getActiveTasksCount

public int getActiveTasksCount()

Specified by:

getActiveTasksCount in interface WatchDog

Returns:

active tasks count

manageTask

public void manageTask(TaskHandlerImpl taskHandler)

Add task under WatchDog control.

Specified by:

manageTask in interface WatchDog

Parameters:

taskHandler - Task handler

removeTask

public void removeTask(TaskHandlerImpl taskHandler)

Description copied from interface: WatchDog

Task completed, remove it from watches.

Specified by:

removeTask in interface WatchDog

Parameters:

taskHandler - task handler