| Class Summary | 
| ApprovalFormHandler | This form handler is used in response to a request for an order approval. | 
| ApprovalMessage |  | 
| ApprovalRequiredDroplet | This droplet is used to load all the orders which require approval and whose authorized approver
 ids list contains the profile id contained in the approverid parameter. | 
| ApprovalRequiredMessage | This class extends the CommerceMessageImpl class. | 
| ApprovedDroplet | This droplet is used to load all the orders which have been approved and whose approver ids list
 contains the profile id contained in the approverid parameter. | 
| MessagePipelineMapper | This class executes a Pipeline chain upon receipt of a JMS message. |