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/*
* 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
}
};
}
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