/**
* Returns all history steps for a workflow, i.e., all the steps that have already been performed.
*
* @param userPrincipal a user principal
* @param workflowId the ID of the desired workflow
* @return a list of WorkflowStepVOs representing all history steps for the workflow with
* workflowId
*/
public List getHistorySteps(InfoGluePrincipal userPrincipal, long workflowId) {
List historySteps = new ArrayList();
Session session = null;
net.sf.hibernate.Transaction tx = null;
try {
session = hibernateSessionFactory.openSession();
tx = session.beginTransaction();
WorkflowFacade wf =
new WorkflowFacade(userPrincipal, workflowId, hibernateSessionFactory, session);
historySteps = wf.getHistorySteps();
session.flush();
tx.commit();
} catch (Exception e) {
logger.error("An error occurred when we tries to run getHistorySteps():" + e.getMessage(), e);
try {
tx.rollback();
} catch (HibernateException he) {
logger.error(
"An error occurred when we tries to rollback transaction:" + he.getMessage(), he);
}
restoreSessionFactory(e);
} finally {
try {
session.close();
} catch (HibernateException e) {
logger.error("An error occurred when we tries to close session:" + e.getMessage(), e);
}
}
return historySteps;
// return new WorkflowFacade(userPrincipal, workflowId, true).getHistorySteps();
}
