Package org.jbpm.process.audit

Source Code of org.jbpm.process.audit.ProcessInstanceDbLog

/**
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package org.jbpm.process.audit;

import java.util.List;

import org.hibernate.Session;

public class ProcessInstanceDbLog {
   
    @SuppressWarnings("unchecked")
  public static List<ProcessInstanceLog> findProcessInstances() {
        Session session = HibernateUtil.getSessionFactory().getCurrentSession();
        session.beginTransaction();
        List<ProcessInstanceLog> result = session.createQuery("from ProcessInstanceLog").list();
        session.getTransaction().commit();
        return result;
    }

    @SuppressWarnings("unchecked")
  public static List<ProcessInstanceLog> findProcessInstances(String processId) {
        Session session = HibernateUtil.getSessionFactory().getCurrentSession();
        session.beginTransaction();
        List<ProcessInstanceLog> result = session.createQuery(
            "from ProcessInstanceLog as log where log.processId = ?")
                .setString(0, processId).list();
        session.getTransaction().commit();
        return result;
    }

  public static List<ProcessInstanceLog> findActiveProcessInstances(String processId) {
        Session session = HibernateUtil.getSessionFactory().getCurrentSession();
        session.beginTransaction();
        List<ProcessInstanceLog> result = session.createQuery(
            "from ProcessInstanceLog as log where log.processId = ? AND log.end is null")
                .setString(0, processId).list();
        session.getTransaction().commit();
        return result;
    }

    @SuppressWarnings("unchecked")
  public static ProcessInstanceLog findProcessInstance(long processInstanceId) {
        Session session = HibernateUtil.getSessionFactory().getCurrentSession();
        session.beginTransaction();
        List<ProcessInstanceLog> result = session.createQuery(
            "from ProcessInstanceLog as log where log.processInstanceId = ?")
                .setLong(0, processInstanceId).list();
        session.getTransaction().commit();
        return result == null || result.size() == 0 ? null : result.get(0);
    }

    @SuppressWarnings("unchecked")
  public static List<NodeInstanceLog> findNodeInstances(long processInstanceId) {
        Session session = HibernateUtil.getSessionFactory().getCurrentSession();
        session.beginTransaction();
        List<NodeInstanceLog> result = session.createQuery(
            "from NodeInstanceLog as log where log.processInstanceId = ?")
                .setLong(0, processInstanceId).list();
        session.getTransaction().commit();
        return result;
    }

    @SuppressWarnings("unchecked")
  public static List<NodeInstanceLog> findNodeInstances(long processInstanceId, String nodeId) {
        Session session = HibernateUtil.getSessionFactory().getCurrentSession();
        session.beginTransaction();
        List<NodeInstanceLog> result = session.createQuery(
            "from NodeInstanceLog as log where log.processInstanceId = ? and log.nodeId = ?")
                .setLong(0, processInstanceId)
                .setString(1, nodeId).list();
        session.getTransaction().commit();
        return result;
    }

  @SuppressWarnings("unchecked")
  public static void clear() {
        Session session = HibernateUtil.getSessionFactory().getCurrentSession();
        session.beginTransaction();
        List<ProcessInstanceLog> processInstances =
          session.createQuery("from ProcessInstanceLog").list();
        for (ProcessInstanceLog processInstance: processInstances) {
          session.delete(processInstance);
        }
        List<NodeInstanceLog> nodeInstances =
          session.createQuery("from NodeInstanceLog").list();
        for (NodeInstanceLog nodeInstance: nodeInstances) {
          session.delete(nodeInstance);
        }
        session.getTransaction().commit();
    }

}
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