view flys-backend/src/main/java/de/intevation/flys/backend/SedDBSessionHolder.java @ 5146:d4fdd98a04f7

Add kind_id to river_axes table and add AxisKind object to model There are currently three kinds: 0 for unkown, 1 for current, 2 for everything else. Only current is used for calculation
author Andre Heinecke <aheinecke@intevation.de>
date Thu, 28 Feb 2013 18:04:19 +0100
parents 76c75c8b9ee0
children
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package de.intevation.flys.backend;

import org.apache.log4j.Logger;

import org.hibernate.Session;
import org.hibernate.SessionFactory;

public class SedDBSessionHolder
{
    private static Logger log =
        Logger.getLogger(SedDBSessionHolder.class);

    public static final ThreadLocal<Session> HOLDER =
        new ThreadLocal<Session>() {
            @Override
            protected Session initialValue() {
                return create();
            }
        };

    private SedDBSessionHolder() {
    }

    public synchronized static Session create() {
        log.debug("create");
        SessionFactory sessionFactory =
            SessionFactoryProvider.getSedDBSessionFactory();
        return sessionFactory.openSession();
    }

    public static Session acquire() {
        log.debug("acquire");
        Session session = create();
        HOLDER.set(session);
        return session;
    }

    public static void release() {
        log.debug("release");
        HOLDER.remove();
    }
}
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