/*
* Copyright (C) 2012, Katy Hilgenberg.
* Special acknowledgments to: Knowledge & Data Engineering Group, University of Kassel (http://www.kde.cs.uni-kassel.de).
* Contact: sdcf@cs.uni-kassel.de
*
* This file is part of the SDCFramework (Sensor Data Collection Framework) project.
*
* The SDCFramework is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The SDCFramework is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the SDCFramework. If not, see <http://www.gnu.org/licenses/>.
*/
package de.unikassel.android.sdcframework.broadcast;
import android.content.Context;
import de.unikassel.android.sdcframework.broadcast.facade.SampleBroadcastService;
import de.unikassel.android.sdcframework.data.Sample;
import de.unikassel.android.sdcframework.util.AbstractAsynchrounousSampleObserver;
import de.unikassel.android.sdcframework.util.Logger;
/**
* Implementation of the sample broadcast service interface. <br/>
* <br/>
* This service can observe a sample event source, like the device manager, and
* is broadcasting observed samples to the system in the form of Android
* intents.
*
* @see SampleBroadcastService
* @see AbstractAsynchrounousSampleObserver
* @author Katy Hilgenberg
*
*/
public class SampleBroadcastServiceImpl
extends AbstractAsynchrounousSampleObserver
implements SampleBroadcastService
{
/**
* The application context for broadcasts
*/
private final Context applicationContext;
/**
* Constructor
*
* @param applicationContext
* the application context
*/
public SampleBroadcastServiceImpl( Context applicationContext )
{
super();
this.applicationContext = applicationContext;
}
/*
* (non-Javadoc)
*
* @see
* de.unikassel.android.sdcframework.util.facade.LifeCycleObject#onPause(android
* .content.Context)
*/
@Override
public void onPause( Context applicationContext )
{
super.onPause( applicationContext );
int eventCount = collector.getEventCount();
if ( eventCount > 0 )
{
Logger.getInstance().warning( this,
"" + eventCount + " samples not broadcasted yet!" );
}
}
/*
* (non-Javadoc)
*
* @see de.unikassel.android.sdcframework.util.AbstractWorkerThread#doWork()
*/
@Override
protected void doWork()
{
try
{
// take sample from queue and broadcast it
Sample sample = collector.dequeue();
applicationContext.sendBroadcast( sample.getIntent() );
}
catch ( InterruptedException e )
{}
catch ( Exception e )
{
Logger.getInstance().error( this, "Exception in doWork" );
e.printStackTrace();
}
}
}