/**
 * CalcProvider.java
 *
 * This file was auto-generated by grid services tooling for the
 *  Globus Toolkit
 *
 */

package Calc;

import java.rmi.RemoteException;
import org.globus.ogsa.GridContext;
import org.globus.ogsa.GridServiceCallback;
import org.globus.ogsa.GridServiceException;
import org.globus.ogsa.impl.core.service.ServiceDataAnnotation;
import org.globus.ogsa.PersistentGridServiceCallback;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.globus.ogsa.OperationProvider;
import org.globus.ogsa.GridServiceBase;
import org.globus.ogsa.PersistentGridServiceBase;
import javax.xml.namespace.QName;

// Added by Purvesh
import org.globus.ogsa.ServiceData;
import Calc.CalcData.CalcDataType;

public class CalcProvider implements OperationProvider, GridServiceCallback {
    public static QName[] operations = new QName[] {
        new QName("http://Calc", "add"),
        new QName("http://Calc", "subtract"),
    };
    private GridServiceBase base;
    private Calc impl;
    static Log logger = LogFactory.getLog(CalcProvider.class.getName());
 
    private ServiceData serviceData;  // Addded by 
    private CalcDataType calcData;    // Purvesh

    public CalcProvider() throws java.rmi.RemoteException {
       try {
          this.impl = new Calc();
       }
       catch (Exception e) {
          throw new java.rmi.RemoteException(e.getMessage());
       }
    }

    public CalcProvider(Calc impl) {
       this.impl = impl;
    }

    public QName[] getOperations() {
        return operations;
    }

    public void initialize(GridServiceBase base) throws GridServiceException {
        this.base = base;
    }

    public void preCreate(GridServiceBase base) throws GridServiceException {
    }

    public void postCreate(GridContext context) throws GridServiceException {
        ServiceDataAnnotation.setupServiceData(this, this.base.getServiceDataSet());

                   // Added by Purvesh - Begin
                // Create Service Data Element
                serviceData = base.getServiceDataSet().create("CalcData");

                // Set the value of the SDE to a CalcDataType instance
                calcData = new CalcDataType();
                serviceData.setValue(calcData);

                // Set intial values of MathServiceData
                calcData.setVersion("0.0");
                calcData.setAuthor("purshah");
                calcData.setLastOp("NONE");

                // Add SDE to Service Data Set
                base.getServiceDataSet().add(serviceData);
		  // Added by Purvesh - End
    }

    public void activate(GridContext context) throws GridServiceException {
    }

    public void deactivate(GridContext context) throws GridServiceException {
    }

    public void preDestroy(GridContext context) throws GridServiceException {
    }

    public int add(int a, int b) throws java.rmi.RemoteException, org.gridforum.ogsi.FaultType {
       return this.impl.add(a, b);
    }

    public int subtract(int a, int b) throws java.rmi.RemoteException, org.gridforum.ogsi.FaultType {
       return this.impl.subtract(a, b);
    }

}