| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.bordeaux.services; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.ServiceConnection; |
| import android.graphics.Canvas; |
| import android.graphics.Paint; |
| import android.graphics.PointF; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Message; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.util.Log; |
| |
| /** |
| * {@hide} |
| * This is used to provide a convenience to access the actual remote running |
| * service. |
| * TODO: Eventally the remote service will be running in the system server, and |
| * this will need to be served as a stub for the remote running service. And |
| * extends from IBordeauxManager.stub |
| */ |
| public class BordeauxManagerService { |
| |
| static private final String TAG = "BordeauxMangerService"; |
| static private IBordeauxService mService = null; |
| static private ILearning_StochasticLinearRanker mRanker = null; |
| static private IAggregatorManager mAggregatorManager = null; |
| static private IPredictor mPredictor = null; |
| static private ILearning_MulticlassPA mClassifier = null; |
| static private boolean mStarted = false; |
| |
| public BordeauxManagerService() { |
| } |
| |
| static private synchronized void bindServices(Context context) { |
| if (mStarted) return; |
| context.bindService(new Intent(IBordeauxService.class.getName()), |
| mConnection, Context.BIND_AUTO_CREATE); |
| mStarted = true; |
| |
| } |
| |
| // Call the release, before the Context gets destroyed. |
| static public synchronized void release(Context context) { |
| if (mStarted && mConnection != null) { |
| context.unbindService(mConnection); |
| mService = null; |
| mStarted = false; |
| } |
| } |
| |
| static public synchronized IBordeauxService getService(Context context) { |
| if (mService == null) bindServices(context); |
| return mService; |
| } |
| |
| static public synchronized IAggregatorManager getAggregatorManager(Context context) { |
| if (mService == null) { |
| bindServices(context); |
| return null; |
| } |
| try { |
| mAggregatorManager = IAggregatorManager.Stub.asInterface( |
| mService.getAggregatorManager()); |
| } catch (RemoteException e) { |
| mAggregatorManager = null; |
| } |
| return mAggregatorManager; |
| } |
| |
| static public synchronized IPredictor getPredictor(Context context, String name) { |
| if (mService == null) { |
| bindServices(context); |
| return null; |
| } |
| try { |
| mPredictor = IPredictor.Stub.asInterface(mService.getPredictor(name)); |
| } catch (RemoteException e) { |
| mPredictor = null; |
| } |
| return mPredictor; |
| } |
| |
| static public synchronized ILearning_StochasticLinearRanker |
| getRanker(Context context, String name) { |
| if (mService == null) { |
| bindServices(context); |
| return null; |
| } |
| try { |
| mRanker = |
| ILearning_StochasticLinearRanker.Stub.asInterface( |
| mService.getRanker(name)); |
| } catch (RemoteException e) { |
| mRanker = null; |
| } |
| return mRanker; |
| } |
| |
| static public synchronized ILearning_MulticlassPA |
| getClassifier(Context context, String name) { |
| if (mService == null) { |
| bindServices(context); |
| return null; |
| } |
| try { |
| mClassifier = |
| ILearning_MulticlassPA.Stub.asInterface(mService.getClassifier(name)); |
| } catch (RemoteException e) { |
| mClassifier = null; |
| } |
| return mClassifier; |
| } |
| |
| /** |
| * Class for interacting with the main interface of the service. |
| */ |
| static private ServiceConnection mConnection = new ServiceConnection() { |
| public void onServiceConnected(ComponentName className, |
| IBinder service) { |
| // This is called when the connection with the service has been |
| // established. |
| mService = IBordeauxService.Stub.asInterface(service); |
| } |
| |
| public void onServiceDisconnected(ComponentName className) { |
| // This is called when the connection with the service has been |
| // unexpectedly disconnected -- that is, its process crashed. |
| mService = null; |
| mStarted = false; // needs to bind again |
| } |
| }; |
| } |