[seam-issues] [JBoss JIRA] Created: (JBSEAM-4629) Disable default behaviour of auto-save for process instances

Wed Apr 7 00:45:37 EDT 2010

Disable default behaviour of auto-save for process instances
------------------------------------------------------------

                 Key: JBSEAM-4629
                 URL: https://jira.jboss.org/jira/browse/JBSEAM-4629
             Project: Seam
          Issue Type: Bug
    Affects Versions: 2.2.1.CR1
            Reporter: Tihomir Surdilovic

When injecting org.jboss.seam.bpm.ProcessInstance in a Seam components the code ends up in the following code snipped of this class:
********
if (processId!=null)
           {
              //TODO: do we need to cache this??
              return ManagedJbpmContext.instance().getProcessInstanceForUpdate(processId);
           }
********

the org.jbpm.JbpmContext#getProcessInstanceForUpdate(processId) method will get a process instance from the db and will register it for auto-save. It will then be saved automatically at the close() .

Continuous registering for auto-save can cause performance issues as when the jbpmContext closes it will save all instances in the autoSaveProcessInstances list which can be huge.

The proposed fix is to change to the code to:

if (processId!=null)
           {
              return ManagedJbpmContext.instance().getProcessInstance(processId);
           }

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