protected void initDescriptors() {
IPropertyDescriptor[] oldDescriptors = DefaultElementWrapper.DESCRIPTORS;
descriptors = new IPropertyDescriptor[oldDescriptors.length + 3];
System.arraycopy(oldDescriptors, 0, descriptors, 0, oldDescriptors.length);
descriptors[descriptors.length - 3] = new OnEntryActionsPropertyDescriptor(
ON_ENTRY_ACTIONS, "On Entry Actions", getCompositeNode(),
(WorkflowProcess) getParent().getProcessWrapper().getProcess());
descriptors[descriptors.length - 2] = new OnExitActionsPropertyDescriptor(
ON_EXIT_ACTIONS, "On Exit Actions", getCompositeNode(),
(WorkflowProcess) getParent().getProcessWrapper().getProcess());