/*

* Copyright (c) 2004-2019 Tada AB and other contributors, as listed below.

*

* All rights reserved. This program and the accompanying materials

* are made available under the terms of the The BSD 3-Clause License

* which accompanies this distribution, and is available at

* http://opensource.org/licenses/BSD-3-Clause

*

* Contributors:

* Tada AB

* Chapman Flack

*/

package org.postgresql.pljava;

import java.sql.SQLException;

import static java.util.ServiceLoader.load;

/**

* The SessionManager makes the current {@link Session} available to the

* caller.

* @author Thomas Hallgren

*/

public class SessionManager

{

private static Session s_session;

/**

* Returns the current session.

*/

public static Session current()

throws SQLException

{

if(s_session == null)

{

s_session = load(

Session.class.getModule().getLayer(), Session.class)

.findFirst().orElseThrow(() -> new SQLException(

"could not obtain PL/Java Session object"));

}

return s_session;

}

}