/*
* 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.service;
import android.content.Context;
import de.unikassel.android.sdcframework.service.facade.ServiceManager;
import de.unikassel.android.sdcframework.util.AbstractTimeProviderErrorStrategy;
import de.unikassel.android.sdcframework.util.TimeErrorEvent;
import de.unikassel.android.sdcframework.util.facade.TimeProviderErrorStrategyDescription;
/**
* Simple shutdown strategy in case of time provider synchronization errors.
*
* @author Katy Hilgenberg
*
*/
public class ShutdownStrategy extends AbstractTimeProviderErrorStrategy
{
/**
* The sync error message.
*/
private static final String SYNC_ERROR =
"Unable to sync with NTP time provider!";
/**
* Constructor
*/
public ShutdownStrategy()
{
super( TimeProviderErrorStrategyDescription.ShutdownService );
}
/*
* (non-Javadoc)
*
* @see
* de.unikassel.android.sdcframework.util.facade.TimeProviderErrorStrategy
* #handleTimeErrorEvent
* (de.unikassel.android.sdcframework.util.TimeErrorEvent,
* de.unikassel.android.sdcframework.service.facade.ServiceManager)
*/
@Override
public final boolean handleTimeErrorEvent( TimeErrorEvent event,
ServiceManager serviceManager )
{
switch ( event.getError() )
{
case TIME_SYNC_ERROR:
{
// stop the service
serviceManager.stopServiceByReason( SYNC_ERROR );
return true;
}
}
return false;
}
/*
* (non-Javadoc)
*
* @see
* de.unikassel.android.sdcframework.util.facade.TimeProviderErrorStrategy
* #enable(android.content.Context)
*/
@Override
public final void prepare( Context context )
{
// Nothing to do
}
/*
* (non-Javadoc)
*
* @see
* de.unikassel.android.sdcframework.util.facade.TimeProviderErrorStrategy
* #disable(android.content.Context)
*/
@Override
public final void finalize( Context context )
{
// Nothing to do
}
}