/// <summary>
/// Ensures that the local collection of BPEL files is loaded. This collection
/// is only loaded once. It can be updated by the AddNewWorkflow method.
/// </summary>
private void LoadWorkflowFileCollection()
{
if (this.defaultWorkflows == null)
{
lock (this.lockObject)
{
// check if the collection exists again just in case someone else got a lock
// between when the check above found null and this method execution got the
// lock.
if (this.defaultWorkflows == null)
{
// load list of BPEL files into local collection
WorkflowHandlerSettingsConfigSection section = UnitlHelp.GetWorkflowHandlerSettingsConfigSection();
// parse the list of BPEL files into a hash table with the latest version
// of each workflow and a 2nd table with earlier versions.
// This allows for default workflows to be quickly located while
// still being able to find earlier workflows in the infrequent cases
// where this may be necessaary.
this.defaultWorkflows = new System.Collections.Hashtable();
this.olderWorkflows = new WorkflowFilesCollection();
if (section != null)
{
foreach (WorkflowFileElement fileElement in section.WorkflowFiles)
{
this.AddNewWorkflow(fileElement);
}
}
}
}
}
}
/// <summary>
/// Ensures that the local collection of BPEL files is loaded. This collection
/// is only loaded once. It can be updated by the AddNewWorkflow method.
/// </summary>
private void LoadWorkflowFileCollection()
{
if (this.defaultWorkflows == null)
{
lock (this.lockObject)
{
// check if the collection exists again just in case someone else got a lock
// between when the check above found null and this method execution got the
// lock.
if (this.defaultWorkflows == null)
{
// load list of BPEL files into local collection
WorkflowHandlerSettingsConfigSection section = UnitlHelp.GetWorkflowHandlerSettingsConfigSection();
// parse the list of BPEL files into a hash table with the latest version
// of each workflow and a 2nd table with earlier versions.
// This allows for default workflows to be quickly located while
// still being able to find earlier workflows in the infrequent cases
// where this may be necessaary.
this.defaultWorkflows = new System.Collections.Hashtable();
this.olderWorkflows = new WorkflowFilesCollection();
if (section != null)
{
foreach (WorkflowFileElement fileElement in section.WorkflowFiles)
{
this.AddNewWorkflow(fileElement);
}
}
}
}
}
}
