/*
 * eGov suite of products aim to improve the internal efficiency,transparency,
 *    accountability and the service delivery of the government  organizations.
 *
 *     Copyright (C) <2015>  eGovernments Foundation
 *
 *     The updated version of eGov suite of products as by eGovernments Foundation
 *     is available at http://www.egovernments.org
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program. If not, see http://www.gnu.org/licenses/ or
 *     http://www.gnu.org/licenses/gpl.html .
 *
 *     In addition to the terms of the GPL license to be adhered to in using this
 *     program, the following additional terms are to be complied with:
 *
 *         1) All versions of this program, verbatim or modified must carry this
 *            Legal Notice.
 *
 *         2) Any misrepresentation of the origin of the material is prohibited. It
 *            is required that all modified versions of this material be marked in
 *            reasonable ways as different from the original version.
 *
 *         3) This license does not grant any rights to any user of the program
 *            with regards to rights under trademark law for use of the trade names
 *            or trademarks of eGovernments Foundation.
 *
 *   In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org.
 */
package com.exilant.exility.service;

/*
 * Gets a "read-only" connection to the database, and calls the job srvice
 * Programmers/designer have to ensure that the jobsteps in the job being called
 * use the connection only for read operaion. (or select operations)
 *
 * This class is either invoked direclty by the ServieAgent from the Web-Tier or it can be called
 *  by the corresponding SLSB
 */

import com.exilant.exility.common.DataCollection;
import com.exilant.exility.common.ExilServiceInterface;
import com.exilant.exility.dataservice.JobService;
import org.apache.log4j.Logger;

import java.sql.Connection;

public class DataService implements ExilServiceInterface {
    private static DataService singletonInstance;
    private static final Logger LOGGER = Logger.getLogger(DataService.class);

    public static DataService getService() {
        if (singletonInstance == null)
            singletonInstance = new DataService();
        return singletonInstance;
    }

    private DataService() {
        super();
    }

    @Override
    public void doService(final DataCollection dc)
    {
        Connection con = null;
        try {
            final JobService jobService = JobService.getInstance();
            con = null;
            jobService.doService(dc, con);

        } catch (final Exception e) {
            LOGGER.error("Inside doService" + e.getMessage(), e);
            dc.addMessage("exilDBError", e.toString());
        }
        /*
         * try{ con.close(); }catch (Exception e){ }
         */
    }

    /*
     * public static void main(String[] args) { DataService d = new DataService(); DataCollection dc = new DataCollection();
     * dc.addValue("serviceID","job1"); d.doService(dc); }
     */
}