protected WorkflowFunctionModuleDescriptor getWorkflowModuleDescriptor(String className)
throws PluginParseException {
final Collection moduleDescriptors =
getPluginAccessor()
.getEnabledModuleDescriptorsByType(
JiraWorkflowPluginConstants.MODULE_NAME_WORKFLOW_FUNCTION);
for (Iterator iterator = moduleDescriptors.iterator(); iterator.hasNext(); ) {
WorkflowFunctionModuleDescriptor workflowFunctionModuleDescriptor =
(WorkflowFunctionModuleDescriptor) iterator.next();
if (workflowFunctionModuleDescriptor.getImplementationClass().getName().equals(className)) {
return workflowFunctionModuleDescriptor;
}
}
return null;
}
/**
* Constructs and adds a {@link FunctionDescriptor} in its correct position in the list of
* post-functions.
*
* @throws WorkflowException
*/
protected void addWorkflowDescriptor() throws WorkflowException {
FunctionDescriptor functionDescriptor =
DescriptorFactory.getFactory().createFunctionDescriptor();
functionDescriptor.setType("class");
final Map functionArgs = functionDescriptor.getArgs();
functionArgs.put("class.name", getDescriptor().getImplementationClass().getName());
// Add parameters to the workflow function descriptor
// Make the factory process it
WorkflowFunctionModuleDescriptor functionModuleDescriptor =
(WorkflowFunctionModuleDescriptor) getDescriptor();
WorkflowPluginFunctionFactory workflowFunctionFactory =
(WorkflowPluginFunctionFactory) functionModuleDescriptor.getModule();
functionArgs.putAll(workflowFunctionFactory.getDescriptorParams(getDescriptorParams()));
ResultDescriptor unconditionalResult = getTransition().getUnconditionalResult();
if (unconditionalResult == null) {
unconditionalResult = DescriptorFactory.getFactory().createResultDescriptor();
getTransition().setUnconditionalResult(unconditionalResult);
}
final List postFunctions = unconditionalResult.getPostFunctions();
int position = -1;
// If the function has a weight, determine position to add the function to
if (functionModuleDescriptor.getWeight() != null) {
// NOTE: this code is slow - however it should not be executed too often as
// the only functions that should have weight are the 'system' ones - and all of them should
// be
// added during AddWorkflowTransition stage by default. So the oly time this code should be
// executed
// is if a system function is not in the post functions list (e.g. workflow imported via XML)
// and is being added.
for (int i = 0; i < postFunctions.size(); i++) {
// Look for the first existing post fuction with weight greater than the weight of the
// one we already have
FunctionDescriptor descriptor = (FunctionDescriptor) postFunctions.get(i);
if (descriptor.getType().equals("class")
&& descriptor.getArgs().containsKey("class.name")) {
WorkflowFunctionModuleDescriptor workflowModuleDescriptor = null;
try {
workflowModuleDescriptor =
getWorkflowModuleDescriptor((String) descriptor.getArgs().get("class.name"));
if (workflowModuleDescriptor != null) {
final Integer weight = workflowModuleDescriptor.getWeight();
if (weight != null) {
if (weight.compareTo(functionModuleDescriptor.getWeight()) > 0) {
position = i;
break;
}
}
}
} catch (PluginParseException e) {
throw new InfrastructureException(e);
}
}
}
if (position == -1) {
// If the function has a weight but we did not find any functions with a weight larger than
// this one
// add the function at the end
position = postFunctions.size();
}
} else {
// Default to adding the function in the first position
// So the user does not have to move it up before all the system (default) post-fucntions
position = 0;
}
postFunctions.add(position, functionDescriptor);
currentPostFunctionCount = "" + (position + 1);
workflowService.updateWorkflow(getJiraServiceContext(), getWorkflow());
}
