/*
 * Copyright (c) 2002, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package beans;

import jakarta.ejb.SessionBean;
import jakarta.ejb.SessionContext;
import jakarta.ejb.CreateException;
import javax.naming.*;
import com.sun.jdbcra.spi.JdbcSetupAdmin;

public class VersionCheckerEJB implements SessionBean {
        private InitialContext initContext = null;
        private SessionContext sessionContext = null;


    public VersionCheckerEJB() {
    debug("Constructor");
    }

    public void ejbCreate()
        throws CreateException {
                debug("ejbCreate()");
    }


    public int getVersion(){
            try {
              initContext = new javax.naming.InitialContext();
            } catch (Exception e) {
              System.out.println("Exception occured when creating InitialContext: " + e.toString());
              return -1;
            }

            try {
              JdbcSetupAdmin ja = (JdbcSetupAdmin) initContext.lookup("eis/jdbcAdmin");
              int versionno =  ja.getVersion();
              debug("Version number is " + versionno);
              return versionno;
            } catch (Exception e) {
              e.printStackTrace();
              throw new RuntimeException(e.getMessage());
            }
    }


    public void setSessionContext(SessionContext context) {
            debug(" bean removed");
        sessionContext = context;
    }

    public void ejbRemove() {
            debug(" bean removed");
    }

    public void ejbActivate() {
            debug(" bean activated");
    }

    public void ejbPassivate() {
            debug(" bean passivated");
    }


    private void debug(String msg) {
        debug("[VersionCheckerEJB]:: -> " + msg);
    }
}