KDTest1.java

package kr.ac.kaist.resl.lilliput.rest;

import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.UnknownHostException;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import kr.ac.kaist.resl.lilliput.util.Util;

import org.bson.types.ObjectId;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.restlet.ext.json.JsonRepresentation;
import org.restlet.resource.Get;
import org.restlet.resource.ServerResource;

import com.mongodb.BasicDBObject;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBObject;
import com.mongodb.Mongo;
import com.mongodb.MongoException;

import edu.stanford.smi.protege.model.Project;
import edu.stanford.smi.protege.server.RemoteProjectManager;
import edu.stanford.smi.protegex.owl.model.OWLDatatypeProperty;
import edu.stanford.smi.protegex.owl.model.OWLModel;
import edu.stanford.smi.protegex.owl.model.OWLNamedClass;
import edu.stanford.smi.protegex.owl.model.OWLObjectProperty;
import edu.stanford.smi.protegex.owl.model.RDFIndividual;
import edu.stanford.smi.protegex.owl.model.query.QueryResults;

public class KDTest1 extends ServerResource {

	@Get("json")
	public JsonRepresentation toJson() {
		try {
			
			String epc = (String)getRequest().getAttributes().get("uid");
			RemoteProjectManager rpm = RemoteProjectManager.getInstance();
			Project p = rpm.getProject("localhost:5100", "Lilliput", "1234", "IoTSocialGraph", true);
			OWLModel owlModel = (OWLModel)p.getKnowledgeBase();
			
			JSONObject returnJson = getInformation(owlModel, epc);
			JsonRepresentation representation = new JsonRepresentation(returnJson);
			
			// Returns the XML representation of this document.
			return representation;
		}  catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		return null;
	}
	
	public static JSONObject getInformation(OWLModel owlModel, String epc ) throws JSONException
	{
		try
		{
			FileWriter fw = new FileWriter("KBRetrieve1.txt");
			BufferedWriter bw = new BufferedWriter(fw);
			PrintWriter outFile = new PrintWriter(bw);
			JSONObject returnJson = new JSONObject();		
			//Save Space to Ontology if it is not saved   
			RDFIndividual humanInd;
			RDFIndividual objectInd;
			RDFIndividual spaceInd;		
			String[] epcSplit = epc.split(":");
			OWLObjectProperty prop ;
			RDFIndividual informInd = null;
			String dbCollection = null;
			String objectID = null;
			humanInd = owlModel.getOWLIndividual(epc);
			Mongo m = new Mongo("143.248.106.26", 27017);
			DB db = m.getDB("Lilliput");
			dbCollection = "HumanInformation";
			DBCollection collection = db.getCollection(dbCollection);
			prop = owlModel.getOWLObjectProperty("hasHumanInformation");
			for(int i = 0 ; i < 10000 ; i++ )
			{
				// 1.get information individual
				long pretime1 = System.nanoTime();		
				informInd = (RDFIndividual)humanInd.getPropertyValue(prop);
				//
				long posttime1 = System.nanoTime();
				double time1 = posttime1-pretime1;
				System.out.print(time1/1000000000+"\t");
				outFile.print(time1/1000000000+"\t");
				objectID = Util.individualToBrowserText(informInd.getBrowserText());
				DBObject query = new BasicDBObject();
				query.put("_id",new ObjectId("5072a7f01a9ec478e865dcb1"));
				long pretime2 = System.nanoTime();		
				// 2. get information from db								
				DBObject queriedObject = collection.findOne(query);
				//
				long posttime2 = System.nanoTime();
				double time2 = posttime2-pretime2;
				System.out.print(time2/1000000000+"\t");
				outFile.println(time2/1000000000+"\t");
			}
			outFile.close();			
			return null;

		}catch( MongoException e)
		{
		} catch (UnknownHostException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		

		return null;
	}
}