Creating a BPEL Process

In this section, you add a BPEL process file, for example, BPELProcess.bpel. Add a partner link and three activities to the BPEL process file.

To Create a BPEL Process

1. Expand the BPEL Module project node in the Projects window.
2. Right-click the BPEL Module project name or Process Files node. Choose New —> BPEL Process.
   

   This opens the New BPEL Process wizard.

3. In the File Name field, enter BPELProcess.
4. Click Finish.
   

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   Note -

   • In the Projects window, the IDE adds a BPELProcess.bpel node under the Process Files node.

   • The BPELProcess.bpel file is open in the BPEL Designer.

   • The Properties window is open.

   • If you do not see the Properties window, choose Window —> Properties.

   • The Navigator window is open showing the BPEL Logical View of the BPEL Process document.

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To Add a Partner Link

1. Select the Partner Link from the Projects tab (for example, SOAPWSDL.wsdl).

   This is the Input WSDL.

2. Drag and drop the SOAP WSDL Document to the left panel of the design area.
   
3. Select the Partner Link (dbWSDL.wsdl) from the Projects tab.

   This is the Output WSDL.

4. Drag and drop the database WSDL Document (dbWSDL.wsdl) to the right panel of the design area.
   

To Add a Web Service and Basic Activities

Drag and Drop the following Web Services:

• Receive

• Invoke

• Reply

Drag and Drop the Basic Activities : Assign1 and Assign2.

1. Select the Web Service : Receive in the Web Service section of the Palette.
2. Drag the selection to the BPELProcess box in the design area between the Process Start and the Process End activities.

   The IDE provides the visual clues to show an appropriate location to drop the selection.

   
   

   This action places a Web Service Receive called Receive1 in the Design view.

3. Select the Basic Activities — Assign in the Basic Activities section of the Palette.

   This action places a Assign activity called Assign1 in the Design view.

4. Drag the selection to the BPELProcess box in the design area, between the Process Start and the Process End activities.

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   Note - Repeat steps 1 through 4 to select Invoke1, Assign2, and Reply1.

   Choose the following:

   • Select the Web Service : Invoke and Basic Activities : Assign.

   • Select the Web Service ; Reply.

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   Note - In the diagram, a red cross next to an element means that the element has not passed validation and the output contains errors. Edit each Sequence to pass validation.

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   The icon symbolizes that the Web Services can be edited.

   
   

To Edit Web Service : Receive1

1. Click Web Service — Receive1 and click Edit.

   This opens the Receive1 [Receive] - Property Editor.

2. Select the properties from the Main tab. Select PartnerLink1 from the drop-down list.

   The IDE fills in the Operation field with SOAPWSDLOperation.

   
   
3. Create a new input variable.

   Perform the following:

   • Click the Create button next to the Input Variable field.

     This opens the New Input Variable dialog box.

   • The Name, Type, and Scope are displayed, by default.

     You can also change the value in the Name field.

   • Click OK.

   
   

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   Note - All the fields are populated with the assigned values.

   Input Variable — SOAPWSDLOperationIn

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4. Click OK to close the Receive1 [Receive] - Property Editor.
5. Click Save All.
   

To Edit the Web Service : Invoke1

1. Click Web Service — Invoke1 and click Edit.

   This opens the Invoke1 [Invoke] - Property Editor.

2. Select the properties from the Main tab. Select PartnerLink2 from the drop-down list.

   Select any one of the Operations from the drop-down list.

   • Insert

   • Update

   • Delete

   • Find

   • Pollrecords

   Select Operation — find from the drop-down list. The IDE fills in the Operation field.

   
   
3. Follow the steps to create a new input and an output variable.
   1. Click the Create button next to the Input Variable field.

      This opens the New Input Variable dialog box.

      
      

      The Name, Type, and Scope are displayed, by default.

      You can also change the value in the Name field.

   2. Click OK to close the New Input Variable dialog box.
   3. Click the Create button next to the Output Variable field.

      This opens the New Output Variable dialog box.

      
      

      The Name, Type, and Scope are displayed, by default.

      You can also change the value in the Name field.

   4. Click OK to close the New Output Variable dialog box.

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   Note - All the fields are populated with the assigned values.

   Select the following Variables:

   • Input Variable : FindIn

   • Output Variable : FindOut

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4. Click OK to close the Invoke1 [Invoke] - Property Editor.
5. Save the project.
   

To Edit the Web Service : Reply1

1. Click Web Service : Reply1. Click Edit.

   This opens the Reply1 [Reply] - Property Editor.

2. Select the properties from the Main tab. Select PartnerLink1 from the drop-down list.

   The IDE fills in the Operation field with SOAPWSDLOperation.

   
   
3. Follow the steps to create a New Output Variable.
   1. Make sure to select the Normal Response radio button.
   2. Click the Create button next to the Output Variable field.

      This opens the New Output Variable dialog box.

      
      
   3. Change the value in the Name field. This is optional.

      Reply1 is displayed, by default.

   4. Click OK.
   
   
4. Click OK to close the Reply1 [Reply] - Property Editor.
   

To Edit the Basic Activities : Assign1

1. Double-click the Basic Activity : Assign1.

   This displays the BPEL Mapper window.

2. Expand the node in the Source tree pane (the left pane) of the BPEL Mapper under Output —> Variables (for example, SOAPWSDLOperationIn).

   A part1 node appears under the SOAPWSDLOperationIn node.

3. Expand the node in the Destination tree pane (the right pane) of the BPEL Mapper under Input —> Variables (for example, FindIn).

   A part node appears under the FindIn node.

4. Select the node in the Source tree pane.

   For example, SOAPWSDLOperationIn — part1 — CUSTOMER_Record.

5. Drag the selection and map it to the node in the Destination tree pane.

   For example, FindIn — part — CUSTOMER_Record.

   Map the following Variables:

   1. NAME — NAME
   2. CUSTOMER_ID — CUSTOMER_ID
   
   
6. Click the Design tab.

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   Note - A red icon marked against Basic Activities — Assign1 is not shown.

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To Edit the Basic Activities : Assign2

1. Double-click the Basic Activity : Assign2.

   This displays the BPEL Mapper window.

2. Expand the node in the Source tree pane (the left pane) of the BPEL Mapper under Output — Variables (for example, FindOut).
3. Expand the node in the Destination tree pane (the right pane) of the BPEL Mapper under Input — Variables (for example, SOAPWSDLOpertionOut).
4. Select the node in the Source tree pane.

   For example, FindOut : part : CUSTOMER_Record.

5. Drag the selection to the node in the Destination tree pane.

   For example, SOAPWSDLOpertionOut : part1 : CUSTOMER_Record

   Map the following variables:

   • PHONE : PHONE

   • STATE : STATE

   • NAME : NAME

   • ZIP : ZIP

   • ADDRESSLINE1 — ADDRESSLINE1

   • ADDRESSLINE2 — ADDRESSLINE2

   • CREDIT_LIMIT — CREDIT_LIMIT

   • EMAIL — EMAIL

   • CUSTOMER_ID — CUSTOMER_ID

   • CITY — CITY

   • FAX — FAX

   • DISCOUNT_CODE — DISCOUNT_CODE

     Finally, map part : part1.

   
   
6. Click the Design tab.

   The final output is as shown in the illustration.

   
   
7. Right-click the project node and select Clean and Build.

   The following message is displayed.

   BUILD SUCCESSFUL (total time: 2 seconds).

8. Click Save All.