/*
* 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.devices;
import android.content.Context;
/**
* This is a base class for a passive sample taking device scanner, which does
* ignore the sample frequency and is triggered by the associated device to for
* sampling. <br/>
* It does extend the sample taking device scanner to derive the
* {@link #takeSample()} method, but overrides the start and stop methods to
* avoid spawning a timer task.
*
* It is intended to be used for the binary sensor types like light and
* proximity, which does rarely generate events.
*
* @see TemperatureDeviceScanner
* @see LightDeviceScanner
* @see ProximityDeviceScanner
* @author Katy Hilgenberg
*
*/
public class PassiveSampleTakingDeviceScanner extends SampleTakingDeviceScanner
{
/**
* Constructor
*/
public PassiveSampleTakingDeviceScanner()
{
super();
}
/*
* (non-Javadoc)
*
* @see
* de.unikassel.android.sdcframework.devices.SampleTakingDeviceScanner#start
* (android.content.Context)
*/
@Override
public final boolean start( Context context )
{
return true;
}
/*
* (non-Javadoc)
*
* @see
* de.unikassel.android.sdcframework.devices.SampleTakingDeviceScanner#stop
* (android.content.Context)
*/
@Override
public final boolean stop( Context context )
{
return true;
}
}