PresenceReasoning.java

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

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;


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

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.MongoException;

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

public class PresenceReasoning extends ServerResource {
	@Get("json")
	public JsonRepresentation toJson() throws Exception {
		try {
			String epc = (String)getRequest().getAttributes().get("uid");
			
			JSONObject message = new JSONObject();
			message.put("message", "success");
			
			PresenceReasoningThread presenceReasoningThread = new PresenceReasoningThread(epc,10);
			presenceReasoningThread.start();
			
			
			JsonRepresentation representation = new JsonRepresentation(message);	
			return representation;
		} catch (MongoException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		JSONObject message = new JSONObject();
		message.put("message", "failed");
		JsonRepresentation representation = new JsonRepresentation(message);
		return representation;
	}
	
}

class PresenceReasoningThread extends Thread
{
	public int period;	
	public String EPCLocation;
	public RemoteProjectManager rpm;
	public Project p;
	public OWLModel owlModel;
	
	PresenceReasoningThread(String EPCLocation, int period ){		
		this.period = period;
		this.EPCLocation = EPCLocation;
		rpm = RemoteProjectManager.getInstance();
		p = rpm.getProject("localhost:5100", "Lilliput", "1234", "IoTSocialGraph", true);
		owlModel = (OWLModel)p.getKnowledgeBase();
	}
	
	@SuppressWarnings("rawtypes")
	public void run()
	{
		try {
			while(true)
			{
				Thread.sleep(period*1000);
				
				//�̰� period thread�� ��������
				RDFIndividual indoorInd = owlModel.getRDFIndividual(EPCLocation);
				if( indoorInd == null )
				{
					continue;
				}
				
				OWLObjectProperty isIdentifying = owlModel.getOWLObjectProperty("isIdentifying");
				OWLObjectProperty isNear = owlModel.getOWLObjectProperty("isNear");
				OWLObjectProperty isOwned = owlModel.getOWLObjectProperty("isOwned");
				OWLObjectProperty isIdentifyingHuman = owlModel.getOWLObjectProperty("isIdentifyingHuman");
				Collection idenCol = indoorInd.getPropertyValues(isIdentifying);
				Iterator idenIter = idenCol.iterator();
				while( idenIter.hasNext())
				{
					RDFIndividual identified = (RDFIndividual)idenIter.next();
					
					Collection nearCol = identified.getPropertyValues(isNear);
					Iterator nearIter = nearCol.iterator();
					while( nearIter.hasNext())
					{
						RDFIndividual nearInd = (RDFIndividual)nearIter.next();
						
						Collection ownCol = nearInd.getPropertyValues( isOwned);
						Iterator ownIter = ownCol.iterator();
						while( ownIter.hasNext())
						{
							RDFIndividual ownerInd = (RDFIndividual)ownIter.next();
							//�ᱹ  spaceEPC�� ownerInd ������ isIdentifyingHuman ���谡 ����� ��
							//���踦 �����
							indoorInd.addPropertyValue(isIdentifyingHuman, ownerInd);
							//������� �����带 �����
							List<String> owners = new ArrayList<String>();
							owners.add(ownerInd.getBrowserText());
							DisappearThread disappearThread2 = new DisappearThread(EPCLocation, owners,"isIdentifyingHuman",20);
							disappearThread2.start();		    
							
						}
						
					}
				}
				
	
			}
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			//p.dispose();
			p.dispose();
			e.printStackTrace();
			
		} 
	}
}