org.android.activityminer.app.util
Class DeleteAllTrainingSamplesTask

java.lang.Object
  android.os.AsyncTask<Void,Integer,Void>
      org.android.activityminer.app.util.DeleteAllTrainingSamplesTask

All Implemented Interfaces:

ObservableEventSource<TaskFinishedEvent>, ObserverRegistration<TaskFinishedEvent>

public class DeleteAllTrainingSamplesTask
extends AsyncTask<Void,Integer,Void>
implements ObservableEventSource<TaskFinishedEvent>

Asynchronous task to delete all existing training data in DB.

Nested Class Summary

Nested classes/interfaces inherited from class android.os.AsyncTask

AsyncTask.Status

Field Summary

private Context	context The context.
private ObservableEventSource<TaskFinishedEvent>	observableEventSource The observable event source for delegation.
private ProgressDialog	progressDialog The progress dialog.

Fields inherited from class android.os.AsyncTask

SERIAL_EXECUTOR, THREAD_POOL_EXECUTOR

Constructor Summary

DeleteAllTrainingSamplesTask(Context context)
Constructor

DeleteAllTrainingSamplesTask(Context context, EventObserver<TaskFinishedEvent> observer)
Constructor

Method Summary

protected Void	doInBackground(Void... params)
boolean	hasObservers()
void	notify(TaskFinishedEvent data)
protected void	onPostExecute(Void result)
protected void	onPreExecute()
void	registerEventObserver(EventObserver<? extends TaskFinishedEvent> observer)
void	removeAllObservers()
void	unregisterEventObserver(EventObserver<? extends TaskFinishedEvent> observer)

Methods inherited from class android.os.AsyncTask

cancel, execute, execute, executeOnExecutor, get, get, getStatus, isCancelled, onCancelled, onCancelled, onProgressUpdate, publishProgress

Methods inherited from class java.lang.Object

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

Field Detail

progressDialog

private ProgressDialog progressDialog

The progress dialog.

context

private final Context context

The context.

observableEventSource

private final ObservableEventSource<TaskFinishedEvent> observableEventSource

The observable event source for delegation.

Constructor Detail

DeleteAllTrainingSamplesTask

public DeleteAllTrainingSamplesTask(Context context,
                                    EventObserver<TaskFinishedEvent> observer)

Constructor

Parameters:

context - the context

observer - an optional event observer for the task finished event

DeleteAllTrainingSamplesTask

public DeleteAllTrainingSamplesTask(Context context)

Constructor

Parameters:

context - the context

Method Detail

onPreExecute

protected void onPreExecute()

Overrides:

onPreExecute in class AsyncTask<Void,Integer,Void>

onPostExecute

protected final void onPostExecute(Void result)

Overrides:

onPostExecute in class AsyncTask<Void,Integer,Void>

doInBackground

protected Void doInBackground(Void... params)

Specified by:

doInBackground in class AsyncTask<Void,Integer,Void>

registerEventObserver

public void registerEventObserver(EventObserver<? extends TaskFinishedEvent> observer)

Specified by:

registerEventObserver in interface ObserverRegistration<TaskFinishedEvent>

unregisterEventObserver

public void unregisterEventObserver(EventObserver<? extends TaskFinishedEvent> observer)

Specified by:

unregisterEventObserver in interface ObserverRegistration<TaskFinishedEvent>

removeAllObservers

public void removeAllObservers()

Specified by:

removeAllObservers in interface ObserverRegistration<TaskFinishedEvent>

notify

public void notify(TaskFinishedEvent data)

Specified by:

notify in interface ObservableEventSource<TaskFinishedEvent>

hasObservers

public boolean hasObservers()

Specified by:

hasObservers in interface ObservableEventSource<TaskFinishedEvent>