org.owasp.dependencytrack.util.session.RunWithSession.java Source code

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Here is the source code for org.owasp.dependencytrack.util.session.RunWithSession.java

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/*
 * This file is part of Dependency-Track.
 *
 * Dependency-Track 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 (at your option) any
 * later version.
 *
 * Dependency-Track 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
 * Dependency-Track. If not, see http://www.gnu.org/licenses/.
 */
package org.owasp.dependencytrack.util.session;

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

public class RunWithSession {
    public static <T> T run(Session session, DBSessionTaskReturning<T> runnable) {
        if (session != null) {
            return runnable.run(session);
        }
        return null;
    }

    public static <T> T run(SessionFactory sessionFactory, DBSessionTaskReturning<T> runnable) {
        Session session = null;
        try {
            session = sessionFactory.getCurrentSession();
        } catch (Exception e) {

        }
        boolean wasClosed = session == null || !session.isOpen();
        if (wasClosed) {
            session = sessionFactory.openSession();
        }
        if (session != null) {
            try {
                return runnable.run(session);
            } finally {
                if (wasClosed && session.isOpen()) {
                    session.close();
                }
            }
        }
        return null;
    }

    public static void run(SessionFactory sessionFactory, DBSessionTask runnable) {
        Session session = null;
        try {
            session = sessionFactory.getCurrentSession();
        } catch (Throwable t) {

        }

        boolean manageSession = (session == null) || !session.isOpen();
        if (manageSession) {
            session = sessionFactory.openSession();
        }
        if (session != null) {
            try {
                runnable.run(session);
            } catch (Throwable t) {
                t.printStackTrace();
            } finally {
                if (session != null && session.isOpen()) {
                    session.flush();
                    if (manageSession) {
                        session.close();
                    }

                }
            }
        }

    }

}