On 3 November 2015 at 16:09, Lakini Senanayaka <[email protected]> wrote:
> Hi Lasantha,
>
> This is the class I'm calling and instantiate the CEP object.
>
> package org.wso2.edgeanalyticsservice1;
>
> import android.app.Service;
> import android.content.Intent;
> import android.os.IBinder;
> import android.util.Log;
>
> /**
> * This class implements IEdgeAnalyticService.aidl interface
> */
> public class EdgeAnalyticsService extends Service {
>
> private CEP mCep;
> private TaskManager taskManager=null;
>
> public EdgeAnalyticsService() {
> mCep = new CEP();
> }
>
> @Override
> public void onCreate() {
> }
>
> /** Returns the IBinder object for the connection */
> @Override
> public IBinder onBind(Intent intent) {
> taskManager=null;
> return mBinder;
> }
>
> @Override
> public int onStartCommand(Intent intent, int flags, int startId) {
> return Service.START_STICKY;
> }
>
> @Override
> public boolean onUnbind (Intent intent){
> return false;
> }
>
> @Override
> public void onDestroy() {
> stopSelf();
> }
>
> /** Implementation of methods in the IEdgeAnalyticsService interface */
> public final IEdgeAnalyticsService.Stub mBinder = new
> IEdgeAnalyticsService.Stub() {
>
> IEdgeAnalyticServiceCallback mIEdgeAnalyticServiceCallback=null;
>
> @Override
> public void getServiceNormal(String type, String streamDefinition,
> String stream, String query, String
> callbackFunctionName,IEdgeAnalyticServiceCallback cb) {
>
> mIEdgeAnalyticServiceCallback = cb;
>
>
> /** Add the details to CEP if the Client is Type1 */
> if (type.equalsIgnoreCase("TYPE1")) {
> mCep.cepAddDetails(getApplicationContext(), streamDefinition,
> stream, query, callbackFunctionName, cb);
> }
>
> /** Add the details to CEP if the Client is
> Type2-LOCATION_SERVICE */
> else if (type.equalsIgnoreCase("LOCATION_SERVICE")) {
> mCep.cepAddDetails(getApplicationContext(), "define stream
> LocationStream (latitude double,longitude double); ", "LocationStream",
> query, callbackFunctionName,cb);
> taskManager = new
> TaskManager(getApplicationContext(),"LocationStream",mIEdgeAnalyticServiceCallback,mCep);
> taskManager.initializeServiceType(type);
> }
>
> /** Add the details to CEP if the Client is
> Type2-HUMIDITY_SERVICE */
> else if (type.equalsIgnoreCase("HUMIDITY_SERVICE")) {
> mCep.cepAddDetails(getApplicationContext(), "define stream
> HumidityStream (humidity float); ", "HumidityStream", query,
> callbackFunctionName, cb);
> taskManager = new
> TaskManager(getApplicationContext(),"HumidityStream",mIEdgeAnalyticServiceCallback,mCep);
> taskManager.initializeServiceType(type);
> }
>
> /** Add the details to CEP if the Client is
> Type2-TEMPERATURE_SERVICE */
> else if (type.equalsIgnoreCase("TEMPERATURE_SERVICE")) {
> mCep.cepAddDetails(getApplicationContext(), "define stream
> temperatureStream (tempValue float); ", "temperatureStream", query,
> callbackFunctionName,cb);
> taskManager = new
> TaskManager(getApplicationContext(),"temperatureStream",mIEdgeAnalyticServiceCallback,mCep);
> taskManager.initializeServiceType(type);
> }
>
> /** Add the details to CEP if the Client is
> Type2-INTENSITY_SERVICE*/
> else if (type.equalsIgnoreCase("INTENSITY_SERVICE")) {
> Log.d("client","INTENSITY SERVICE");
> mCep.cepAddDetails(getApplicationContext(), "define stream
> lightIntensityStream (lightValue double); ", "lightIntensityStream", query,
> callbackFunctionName, cb);
> taskManager = new
> TaskManager(getApplicationContext(),"lightIntensityStream",mIEdgeAnalyticServiceCallback,mCep);
> taskManager.initializeServiceType(type);
>
> }
> }
>
> //get servicePatterns
> @Override
> public void getServicePattern(String type, String streamDefinition,
> String stream, String query1,String query2 ,String
> callbackFunctionName1,String
> callbackFunctionName2,IEdgeAnalyticServiceCallback cb) {
>
> mIEdgeAnalyticServiceCallback = cb;
>
> /** Add the details to CEP if the Client is Type1 */
> if (type.equalsIgnoreCase("TYPE1")) {
> mCep.cepAddDetails(getApplicationContext(), streamDefinition,
> stream, query1, query2, callbackFunctionName1,callbackFunctionName2,cb);
> }
>
> else if (type.equalsIgnoreCase("LOCATION_SERVICE")) {
> mCep.cepAddDetails(getApplicationContext(), "define stream
> LocationStream (latitude double,longitude double); ", "LocationStream",
> query1,query2,callbackFunctionName1,callbackFunctionName2,cb);
> taskManager = new
> TaskManager(getApplicationContext(),"LocationStream",mIEdgeAnalyticServiceCallback,mCep);
> taskManager.initializeServiceType(type);
> }
>
> /** Add the details to CEP if the Client is
> Type2-HUMIDITY_SERVICE */
> else if (type.equalsIgnoreCase("HUMIDITY_SERVICE")) {
> mCep.cepAddDetails(getApplicationContext(), "define stream
> HumidityStream (humidity float); ",
> "HumidityStream",query1,query2,callbackFunctionName1,callbackFunctionName2,cb);
> taskManager = new
> TaskManager(getApplicationContext(),"HumidityStream",mIEdgeAnalyticServiceCallback,mCep);
> taskManager.initializeServiceType(type);
> }
>
> /** Add the details to CEP if the Client is
> Type2-TEMPERATURE_SERVICE */
> else if (type.equalsIgnoreCase("TEMPERATURE_SERVICE")) {
> mCep.cepAddDetails(getApplicationContext(), "define stream
> temperatureStream (tempValue float); ", "temperatureStream",
> query1,query2,callbackFunctionName1,callbackFunctionName2,cb);
> taskManager = new
> TaskManager(getApplicationContext(),"temperatureStream",mIEdgeAnalyticServiceCallback,mCep);
> taskManager.initializeServiceType(type);
> }
>
> /** Add the details to CEP if the Client is
> Type2-INTENSITY_SERVICE*/
> else if (type.equalsIgnoreCase("INTENSITY_SERVICE")) {
> Log.d("client","INTENSITY SERVICE");
> mCep.cepAddDetails(getApplicationContext(), "define stream
> lightIntensityStream (lightValue double); ", "lightIntensityStream",
> query1,query2,callbackFunctionName1,callbackFunctionName2,cb);
> taskManager = new
> TaskManager(getApplicationContext(),"lightIntensityStream",mIEdgeAnalyticServiceCallback,mCep);
> taskManager.initializeServiceType(type);
> }
> }
>
> /** Passes values to the streams to do the analytics*/
> @Override
> public void sendData(String value, String stream){
> mCep.analyseTheData(value, stream,mIEdgeAnalyticServiceCallback);
> }
>
> @Override
> public void stopService()
> {
> taskManager.stopSensors();
> }
> };
> }
>
> I will try the Singleton pattern and I will update this mail thread.
>
+1... If you make sure that the Siddhi manager doesn't get instantiated
multiple times and the same query isn't added again, it should be fine.
>
> Thank you.
>
>
>
> On Tue, Nov 3, 2015 at 3:37 PM, Lasantha Fernando <[email protected]>
> wrote:
>
>> Hi Lakini,
>>
>> It seems multiple Siddhi managers are getting instantiated and each
>> siddhi manager is running without being shut down. Can you point to the
>> code where the CEP class is instantiated?
>>
>> Also, you can try a singleton pattern for the CEP class and do some
>> checks when adding the queries or adopt a similar approach to avoid the
>> issue of multiple queries running.
>>
>> Thanks,
>> Lasantha
>>
>> On 3 November 2015 at 15:31, Lakini Senanayaka <[email protected]> wrote:
>>
>>> adding Dev@wso2
>>>
>>> On Tue, Nov 3, 2015 at 3:25 PM, Lakini Senanayaka <[email protected]>
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>> I have implemented a service using Siddhi 2.1.0.
>>>> This is my Service class which deals with siddhimanager.
>>>>
>>>> package org.wso2.edgeanalyticsservice1;
>>>>
>>>> import android.content.Context;
>>>>
>>>> import org.wso2.siddhi.core.SiddhiManager;
>>>> import org.wso2.siddhi.core.event.Event;
>>>> import org.wso2.siddhi.core.stream.input.InputHandler;
>>>> import org.wso2.siddhi.core.stream.output.StreamCallback;
>>>> import org.wso2.siddhi.core.util.EventPrinter;
>>>>
>>>> /**
>>>> * This class create from the build in sensors and inject
>>>> * to the EdgeAnalytics Service for processing on a query passed.
>>>> */
>>>> public class CEP {
>>>>
>>>> private SiddhiManager mSiddhiManager;
>>>> private IEdgeAnalyticServiceCallback mCallb = null;
>>>>
>>>> /** Initialize the SiddhiManager Instance */
>>>> public CEP() {
>>>> mSiddhiManager = new SiddhiManager();
>>>> }
>>>>
>>>> /** Add extra details to the SiddhiManager object */
>>>> public void cepAddDetails(final Context context, String
>>>> streamDefinition, String stream, final String query, final String
>>>> callbackFunction,IEdgeAnalyticServiceCallback cb) {
>>>> mCallb=cb;
>>>>
>>>> /** Define the stream to the Siddhi Manager */
>>>> mSiddhiManager.defineStream(streamDefinition);
>>>>
>>>> /** Define the query to the Siddhi Manager */
>>>> mSiddhiManager.addQuery(query);
>>>>
>>>> /** Define the scallback details to the Siddhi Manager */
>>>> mSiddhiManager.addCallback(callbackFunction, new StreamCallback() {
>>>> public void receive(Event[] events) {
>>>> EventPrinter.print(events);
>>>> try {
>>>> mCallb.addCallBack("Passed!! " );
>>>> } catch (Exception e) {
>>>> e.printStackTrace();
>>>> }
>>>> }
>>>> });
>>>> }
>>>>
>>>> /** Add extra details to the SiddhiManager object */
>>>> public void cepAddDetails(final Context context, String
>>>> streamDefinition, String stream, final String query1, final String
>>>> query2,final String callbackFunction1,final String
>>>> callbackFunction2,IEdgeAnalyticServiceCallback cb) {
>>>> //todo:Check the pattern queries
>>>>
>>>> mCallb=cb;
>>>>
>>>> /** Define the stream to the Siddhi Manager */
>>>> mSiddhiManager.defineStream(streamDefinition);
>>>>
>>>> /** Define the query to the Siddhi Manager */
>>>> mSiddhiManager.addQuery(query1);
>>>> mSiddhiManager.addQuery(query2);
>>>>
>>>> /** Define the scallback details to the Siddhi Manager */
>>>> mSiddhiManager.addCallback(callbackFunction1, new StreamCallback()
>>>> {
>>>> public void receive(Event[] events) {
>>>> EventPrinter.print(events);
>>>> try {
>>>> mCallb.addCallBack("callback1");
>>>> } catch (Exception e) {
>>>> e.printStackTrace();
>>>> }
>>>> }
>>>> });
>>>>
>>>> mSiddhiManager.addCallback(callbackFunction2, new StreamCallback()
>>>> {
>>>> public void receive(Event[] events) {
>>>> EventPrinter.print(events);
>>>> try {
>>>> mCallb.addCallBack("callback2");
>>>> } catch (Exception e) {
>>>> e.printStackTrace();
>>>> }
>>>> }
>>>> });
>>>> }
>>>>
>>>> /** Analyse single data and send the notification back to client
>>>> through callbacks */
>>>> public void analyseTheData(String value, String stream,
>>>> IEdgeAnalyticServiceCallback cb) {
>>>>
>>>> String[] dataCollection=value.split(",");
>>>> String[] value_type=null;
>>>> Object[] x =new Object[dataCollection.length];
>>>>
>>>> /** Identify the data types which the client sends. */
>>>> for(int i=0;i<dataCollection.length ;i++)
>>>> {
>>>> value_type=dataCollection[i].split("-");
>>>> x[i]=0;
>>>> switch (value_type[1]) {
>>>> case "double":
>>>> x[i]=Double.parseDouble(value_type[0]);
>>>> break;
>>>> case "float":
>>>> x[i]=Float.parseFloat(value_type[0]);
>>>> break;
>>>> case "int":
>>>> x[i]=Integer.parseInt(value_type[0]);
>>>> break;
>>>> case "string":
>>>> x[i]=value_type[0];
>>>> break;
>>>> default:
>>>> break;
>>>> }
>>>> }
>>>>
>>>> InputHandler inputHandler = mSiddhiManager.getInputHandler(stream);
>>>> try
>>>> {
>>>> inputHandler.send(x);
>>>> }
>>>> catch (InterruptedException e) {
>>>> e.printStackTrace();
>>>> }
>>>> }
>>>> }
>>>>
>>>> I have set a timer and I'm passing data to the siddhi stream.
>>>> When I run this app for the first time it gives only one callback and
>>>> working fine.But After I run the same app again and again it gives more
>>>> callbacks and it cause for my output in the client side.
>>>>
>>>> This is my Log file:-
>>>> 1-03 15:21:16.276 25481-25777/? I/System.out﹕
>>>> [Event{streamId='LightValueLowHandleCallback2', timeStamp=1446544276262,
>>>> data=[151.0], type=new}]
>>>> 11-03 15:21:16.276 26231-26293/? D/callbak﹕ callback2
>>>> 11-03 15:21:16.276 26231-26293/? D/client4﹕ gonna off the light
>>>> 11-03 15:21:16.286 25481-25777/? I/System.out﹕
>>>> [Event{streamId='LightValueLowHandleCallback2', timeStamp=1446544276262,
>>>> data=[151.0], type=new}]
>>>> 11-03 15:21:16.286 26231-26243/? D/callbak﹕ callback2
>>>> 11-03 15:21:16.291 26231-26243/? D/client4﹕ gonna off the light
>>>>
>>>>
>>>> So I want to stop repeating callbacks.Could you please show me the
>>>> place of the code to correct ,not to get more callbacks.
>>>>
>>>> Thank you.
>>>>
>>>> --
>>>> *Intern-Engineering*
>>>> Lakini S.Senanayaka
>>>> Mobile: +94 712295444
>>>> Email: [email protected]
>>>>
>>>
>>>
>>>
>>> --
>>> *Intern-Engineering*
>>> Lakini S.Senanayaka
>>> Mobile: +94 712295444
>>> Email: [email protected]
>>>
>>
>>
>>
>> --
>> *Lasantha Fernando*
>> Senior Software Engineer - Data Technologies Team
>> WSO2 Inc. http://wso2.com
>>
>> email: [email protected]
>> mobile: (+94) 71 5247551
>>
>
>
>
> --
> *Intern-Engineering*
> Lakini S.Senanayaka
> Mobile: +94 712295444
> Email: [email protected]
>
--
*Lasantha Fernando*
Senior Software Engineer - Data Technologies Team
WSO2 Inc. http://wso2.com
email: [email protected]
mobile: (+94) 71 5247551
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