UnifiedNlp/src/org/microg/nlp/AbstractProviderService.java
2015-01-14 17:04:30 +01:00

61 lines
1.5 KiB
Java

package org.microg.nlp;
import android.app.IntentService;
import android.content.Intent;
import android.os.IBinder;
public abstract class AbstractProviderService<T extends Provider> extends IntentService {
/**
* Creates an ProviderService. Invoked by your subclass's constructor.
*
* @param tag Used for debugging.
*/
public AbstractProviderService(String tag) {
super(tag);
}
@Override
public void onCreate() {
super.onCreate();
}
@Override
public IBinder onBind(Intent intent) {
return getProvider().getBinder();
}
@Override
public boolean onUnbind(Intent intent) {
destroyProvider();
return super.onUnbind(intent);
}
@Override
public void onDestroy() {
super.onDestroy();
}
/**
* Create a new {@link Provider} or return the existing one.
* <p/>
* This might be called more than once, the implementation has to ensure that only one
* {@link Provider} is returned.
*
* @return a new or existing {@link Provider} instance
*/
protected abstract T getProvider();
/**
* Destroy the active {@link Provider}.
*
* After this has been called, the {@link Provider} instance, that was active before should no
* longer be returned with {@link #getProvider()}.
*/
protected abstract void destroyProvider();
@Override
protected void onHandleIntent(Intent intent) {
// Default implementation is to do nothing
}
}