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* [Create the XML Schemas|PurchaseOrderProjectPart3]
* %%(color:#3333ff;)__Create the XML Schemas__%%
** Creating the inventory.xsd Schema
** Creating the purchaseOrder.xsd Schema
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!!!Create a New Project
!!!Create the XML Schemas
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The next step in the Purchase Order sample project is to create a new SOA project.
The next step in the Purchase Order sample project is to create the XML Schemas.
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!!Creating a New Project
The HTTP-SOAP-PO-BPEL sample project includes two XML schema files. In this section, you create two new XML schema files for your BPEL Module project, inventory.xsd and purchaseOrder.xsd.
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To create the Purchase Order Sample Project manually, start by creating a new project.
!!Creating the inventory.xsd Schema
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!To Create a New Project
# From the main menu, choose {{File → New Project}}.
The New Project dialog box appears.
# Under Categories select {{SOA}}.
# Under Projects, select {{BPEL Module}}, and click {{Next}}.[{Image src='ep-http-newproject-1.gif' width='599' height='400' alt='Graphic shows New BPEL Module as described in context' align='left|center|right' }]
# From the second page of the wizard, Name and Location, enter {{HTTP-SOAP-PO-BPEL}} for Project Name.
# Click Finish. The HTTP-SOAP-PO-BPEL project now appears in the Projects window tree.
The inventory.xsd XML schema enables the BPEL Service Engine to check the current inventory for a requested item.
!To create the inventory.xsd schema
# In the Projects window, right-click the {{HTTP-SOAP-PO-BPEL}} node and select {{New → Other}} from the pop-up menu. \\The New File Wizard appears.
# In the Categories field, select {{XML}}, and in the File Types field, select {{XML Schema}}.
# Click {{Next}}.[{Image src='ep-new-xml-schema.gif' width='600' height='412' alt='Graphic shows the New File Wizard dialog box, as described in context' align='left|center|right' }]
# From the second page of the wizard, Name and Location, type {{inventory}} as the File Name.
# Click {{Finish}}. In the Projects window, the Process Files node now contains a subnode named {{inventory.xsd}}. The Source Editor contains a tab for the XML schema file, {{inventory.xsd}}, with the Schema view open.
!To add a complex type to the XML Schema
# From the Schema view of the {{inventory.xsd}}, right-click the Complex Types node and select {{Add Complex Type}} from the pop-up menu.
# From the Add Complex Type dialog box, click {{OK}}. A complex type ({{newComplexType}}) is added to the second pane of the Schema window and a {{sequence}} node is added to the third pane of the Schema window.
!Add Local Elements to the XML Schema
# From the Schema window, right-click the {{sequence}} node and select {{Add}} → {{Element}} from the pop-up menu.
The Add Element dialog box appears.
# From the Add Element dialog box, do the following:
## Enter {{orderId}} as the Name.
## For Type, select {{Use Existing Type}} and select {{Built-in Types}} → {{int}} as the Current Selection.[{Image src='ep-add-element-small.gif' width='591' height='550' alt='Graphic shows the Add Element dialog box, as described in context' align='left|center|right' }]
## Click {{OK}}.
# From the Schema window, right-click the {{sequence}} node again, and select {{Add}} → {{Element}} from the pop-up menu.
The Add Element dialog box appears.
# From the Add Element dialog box, do the following:
## Type {{inventoryStatus}} as the Name.
## For Type, select {{Use Existing Type}} and select {{Built-in Types}} → {{boolean}} as the Current Selection.
## Click {{OK}}.
# From the Schema window, right-click the {{sequence}} node again, and select {{Add}} → {{Element}} from the pop-up menu.
# From the Add Element dialog box, do the following:
## Type {{inventoryStatusMessage}} as the Name.
## For Type, select {{Use Existing Type}} and select {{Built-in Types}} → {{string}} as the Current Selection.
## Click {{OK}}.
!To add a global element
# From the left pane of the Schema window, right-click the {{Elements}} node, and select {{Add}} → {{Element}} from the pop-up menu.
# From the Add Element dialog box, do the following:
## Type {{inventory}} as the Name.
## For Type, select {{Use Existing Type}} and select {{Complex Type}} → {{newComplexType}} as the Current Selection.
## Click {{OK}}. A complex type ({{inventory}} ) is added to the second pane of the Schema window.
!To validate the XML Schema
# From the Schema Editor toolbar, click the Validate XML button. Validation begins.
# The Outlook window of the IDE displays the validation status. If any errors occur, double-click each error message to see the location of the error and make any necessary corrections. Run validation again to verify corrections.
# If your validation is successful, click {{File → Save All()}} to save your current changes.
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%center
[Top|PurchaseOrderProjectPart3]%%
!!Creating the purchaseOrder.xsd Schema
!To create the purchaseOrder.xsd schema
# In the Projects window, right-click the HTTP-SOAP-PO-BPEL → Process Files node and select {{New}} → {{XML Schema}} from the pop-up menu.
The XML Schema wizard appears displaying the Name and Location page.
# From the Name and Location page of the wizard, enter {{purchaseOrder}} as the File Name.
# Click Finish. In the Projects window, the {{Process Files}} node now contains a subnode labeled {{purchaseOrder.xsd}} . The Source Editor contains a tab for the XML schema file, {{purchaseOrder.xsd}}, with the Schema view open.
!To add a complex type to the XML schema
# From the Schema view of the {{purchaseOrder.xsd}}, right-click the Complex Type node and select {{Add Complex Type}} from the pop-up menu.
# From the Add Complex Type dialog box, click {{OK}}. A complex type ({{newComplexType}}) is added to the second pane of the Schema window and a {{sequence}} node is added to the third pane of the Schema window.
!To add local elements to the XML schema
# From the Schema window, right-click the {{sequence}} node and select {{Add}} → {{Element}} from the pop-up menu.
The Add Element dialog box appears.
# From the Add Element dialog box, do the following:
# Type {{orderId}} as the Name.
# For Type, select {{Use Existing Type}} and select {{Built-in Types}} → {{int}} as the Current Selection.
# Click {{OK}}.
# In the same manner, add three additional elements with the values shown in the following table:
|| Name|| Type|| Current Selection|| Type
| customerId| Use Existing Type| Built-in Type | int
| orderDescription| Use Existing Type.| Built-in Type| String
| price| Use Existing Type.| Built-in Type| double
!To add a global element
# From the left pane of the Schema window, right-click the {{Elements}} node, and select {{Add}} → {{Element}} from the pop-up menu.
# From the Add Element dialog box, do the following:
# Type {{purchaseOrder}} as the Name.
# For Type, select {{Use Existing Type}} and select {{Complex Type}} → {{newComplexType}} as the Current Selection.
# Click {{OK}}. A complex type ({{purchaseOrder}}) is added to the second pane of the Schema window.
!To validate the XML schema
# From the Schema Editor's toolbar, click the Validate XML button. Validation begins.
# If your validation is successful, click {{File}} → {{Save All}} to save your current changes.
\\
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[Top|PurchaseOrderProjectPart2]%%
[Top|PurchaseOrderProjectPart3]%%
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[Previous|ProcessingAnOrderInAPurchaseOrderSystem] [Next|PurchaseOrderProjectPart3]
[Previous|PurchaseOrderProjectPart2] [Next Step|PurchaseOrderProjectPart4]
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This page (revision-5) was last changed on 17-Sep-09 09:56 AM, -0700 by rjacobus