com.haulmont.cuba.gui.executors

Interface BackgroundTask.ProgressListener<T,V>

Type Parameters:

T - progress measurement unit

V - result type

All Known Implementing Classes:

BackgroundTask.ProgressListenerAdapter

Enclosing class:

BackgroundTask<T,V>

public static interface BackgroundTask.ProgressListener<T,V>

Listener of the task life cycle events, complementary to the tasks own methods: BackgroundTask.progress(java.util.List), BackgroundTask.done(Object), BackgroundTask.canceled().

Method Summary

Modifier and Type	Method and Description
void	onCancel() Called by the execution environment in UI thread if the task is canceled.
void	onDone(V result) Called by the execution environment in UI thread when the task is completed.
void	onProgress(java.util.List<T> changes) Called by the execution environment in UI thread on progress change.

Method Detail

onProgress

void onProgress(java.util.List<T> changes)

Called by the execution environment in UI thread on progress change.

Parameters:

changes - list of changes since previous invocation

onDone

void onDone(V result)

Called by the execution environment in UI thread when the task is completed.

Parameters:

result - result of execution returned by BackgroundTask.run(TaskLifeCycle) method

onCancel

void onCancel()

Called by the execution environment in UI thread if the task is canceled.