162

Designing XML Based Applications

Remote

<>

SupplierService 

+submitOrder:String

+queryOrderStatus:String

<>

XMLDocumentEditor 

ServiceLifecycle

+setDocument:void

<>

+getDocument:Source

SupplierServiceImpl 

+copyDocument:void

+init:void

+submitOrder:String

+queryOrderStatus:String

+destroy:void

SupplierOrderXDE 

delegates to

 source:Source

 orderid:String

SupplierOrderRcvr 

+SupplierOrderXDE

 supplierOrderXDE:SupplierOrderXDE

uses

+setDocument:void

 supplierOrderQueueHelper:QueueHelper

+setDocument:void

+copyDocument:void

+SupplierOrderRcvr

+getDocument:Source

+receive:String

+getDocumentAsString:String

+getOrderId:String

uses

assigns/retrieves

encapsulates

QueueHelper 

<>

 queue:Queue

javax.xml.transform.Source 

+QueueHelper

+sendMessage:void

Figure 4.12

Class Diagram of Supplier Service Using 

XML Document Editor