/**
* Returns the workflow property set for a particular user and workflow
*
* @return the workflow property set for the workflow with workflowId and the user represented by
* userPrincipal
*/
public PropertySet getPropertySet(
InfoGluePrincipal userPrincipal, long workflowId, Session session) {
PropertySet propertySet = null;
try {
WorkflowFacade wf =
new WorkflowFacade(userPrincipal, workflowId, hibernateSessionFactory, session);
propertySet = wf.getPropertySet();
} catch (Exception e) {
e.printStackTrace();
} finally {
}
return propertySet;
// return new WorkflowFacade(userPrincipal, workflowId, false).getPropertySet();
}
/**
* Returns a list of all available workflows, i.e., workflows defined in workflows.xml
*
* @param userPrincipal a user principal
* @return a list WorkflowVOs representing available workflows
*/
public List<WorkflowVO> getAvailableWorkflowVOList(InfoGluePrincipal userPrincipal)
throws SystemException {
final List<WorkflowVO> accessibleWorkflows = new ArrayList<WorkflowVO>();
Session session = null;
net.sf.hibernate.Transaction tx = null;
try {
session = hibernateSessionFactory.openSession();
tx = session.beginTransaction();
WorkflowFacade wf = new WorkflowFacade(userPrincipal, hibernateSessionFactory, session);
final List<WorkflowVO> allWorkflows = wf.getDeclaredWorkflows();
for (final Iterator<WorkflowVO> i = allWorkflows.iterator(); i.hasNext(); ) {
final WorkflowVO workflowVO = i.next();
if (getIsAccessApproved(workflowVO.getName(), userPrincipal)) {
accessibleWorkflows.add(workflowVO);
}
}
session.flush();
tx.commit();
} catch (Exception e) {
logger.error(
"An error occurred when we tries to execute getAvailableWorkflowVOList():"
+ 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 accessibleWorkflows;
}
/**
* @param principal the user principal representing the desired user
* @param name the name of the workflow to create.
* @param actionId the ID of the initial action
* @param inputs the inputs to the workflow
* @return a WorkflowVO representing the newly created workflow instance
* @throws SystemException if an error occurs while initiaizing the workflow
*/
public WorkflowVO initializeWorkflow(
InfoGluePrincipal principal, String name, int actionId, Map inputs) throws SystemException {
WorkflowVO workflowVO = null;
try {
Session session = null;
net.sf.hibernate.Transaction tx = null;
try {
session = hibernateSessionFactory.openSession();
tx = session.beginTransaction();
if (getIsAccessApproved(name, principal)) {
WorkflowFacade wf =
new WorkflowFacade(
principal, name, actionId, inputs, hibernateSessionFactory, session);
workflowVO = wf.createWorkflowVO();
session.flush();
tx.commit();
} else {
throw new Bug("You are not allowed to create " + name + " workflows.");
}
} catch (Exception e) {
logger.error(
"An error occurred when we tries to run initializeWorkflow():" + 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:" + e.getMessage(), e);
}
}
} catch (Exception e) {
throw new SystemException(e);
}
return workflowVO;
}
/**
* Returns the workflows owned by the specified principal.
*
* @param userPrincipal a user principal.
* @return a list of WorkflowVOs owned by the principal.
* @throws SystemException if an error occurs while finding the workflows
*/
public List getMyCurrentWorkflowVOList(InfoGluePrincipal userPrincipal) throws SystemException {
List list = new ArrayList();
Session session = null;
net.sf.hibernate.Transaction tx = null;
try {
session = hibernateSessionFactory.openSession();
tx = session.beginTransaction();
WorkflowFacade wf = new WorkflowFacade(userPrincipal, hibernateSessionFactory, session);
list = wf.getMyActiveWorkflows(userPrincipal);
session.flush();
tx.commit();
} catch (Exception e) {
logger.error(
"An error occurred when we tries to execute getMyCurrentWorkflowVOList():"
+ 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 list;
// return new WorkflowFacade(userPrincipal, true).getMyActiveWorkflows(userPrincipal);
}
/**
* Returns all current steps for a workflow, i.e., steps that could be performed in the workflow's
* current state
*
* @param userPrincipal a user principal
* @param workflowId the Id of the desired workflow
* @return a list of WorkflowStepVOs representing the current steps of the workflow with
* workflowId
*/
public List getCurrentSteps(InfoGluePrincipal userPrincipal, long workflowId) {
List currentSteps = 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);
currentSteps = wf.getCurrentSteps();
session.flush();
tx.commit();
} catch (Exception e) {
logger.error("An error occurred when we tries to run getCurrentSteps():" + 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);
}
}
// WorkflowFacade wf = new WorkflowFacade(userPrincipal, workflowId, true);
// List currentSteps = wf.getCurrentSteps();
return currentSteps;
}
/**
* Returns true if the workflow has terminated; false otherwise.
*
* @param workflowVO the workflow.
* @return true if the workflow has terminated; false otherwise.
*/
public boolean hasTerminated(InfoGluePrincipal userPrincipal, long workflowId)
throws WorkflowException {
boolean isFinished = false;
Session session = null;
net.sf.hibernate.Transaction tx = null;
try {
session = hibernateSessionFactory.openSession();
tx = session.beginTransaction();
WorkflowFacade wf =
new WorkflowFacade(userPrincipal, workflowId, hibernateSessionFactory, session);
isFinished = wf.isFinished();
session.flush();
tx.commit();
} catch (Exception e) {
logger.error("An error occurred when we tries to run hasTerminated:" + 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 isFinished;
// return new WorkflowFacade(userPrincipal, workflowId, true).isFinished();
}
public PropertySet getPropertySet(InfoGluePrincipal userPrincipal, long workflowId) {
PropertySet propertySet = null;
Session session = null;
net.sf.hibernate.Transaction tx = null;
try {
session = hibernateSessionFactory.openSession();
tx = session.beginTransaction();
WorkflowFacade wf =
new WorkflowFacade(userPrincipal, workflowId, hibernateSessionFactory, session);
propertySet = wf.getPropertySet();
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 propertySet;
// return new WorkflowFacade(userPrincipal, workflowId, false).getPropertySet();
}
/**
* Invokes an action on a workflow for a given user and request
*
* @param principal the user principal
* @param workflowId the ID of the desired workflow
* @param actionId the ID of the desired action
* @param inputs the inputs to the workflow
* @return a WorkflowVO representing the current state of the workflow identified by workflowId
* @throws WorkflowException if a workflow error occurs
*/
public WorkflowVO invokeAction(
InfoGluePrincipal principal, long workflowId, int actionId, Map inputs)
throws WorkflowException {
WorkflowVO workflowVO = null;
Session session = null;
net.sf.hibernate.Transaction tx = null;
try {
session = hibernateSessionFactory.openSession();
tx = session.beginTransaction();
WorkflowFacade wf =
new WorkflowFacade(principal, workflowId, hibernateSessionFactory, session);
wf.doAction(actionId, inputs);
session.flush();
tx.commit();
} catch (Exception e) {
logger.error(
"An error occurred when we tries to execute invokeAction():" + 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);
}
}
try {
session = hibernateSessionFactory.openSession();
tx = session.beginTransaction();
WorkflowFacade wf =
new WorkflowFacade(principal, workflowId, hibernateSessionFactory, session);
workflowVO = wf.createWorkflowVO();
session.flush();
tx.commit();
} catch (Exception e) {
logger.error(
"An error occurred when we tries to execute invokeAction():" + 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 workflowVO;
}
