[Jboss-dev-forums] [Design of JBoss jBPM] - Re: Web Services for jBPM (cnt'd)

[aguizar <nu...@jb...>]

Anil,

The jBPM web service consumption requirements are summarized in the following jBPM process action, which describes an RPC invocation:
<ws-invoke endpoint="anyURI" operation="math:add" xmlns:math='urn:example:math'> 
  |  <input location="firstNumber">var1</input> 
  |  <input location="secondNumber>var2</input> 
  |  <output location="result">result</output> 
  | </ws-invoke>
- 'math:add' is the qualified name of the RPC operation element.
- Attribute 'location' specifies a (XPath) location path relative to the operation element.
- The content of each 'input' element is an expression whose value is assigned to the specified location in the input message. Note, the value must be either a primitive type or a DOM element; XML<->data binding must be explicitly performed by the user.
- The content of each 'output' element identifies a location that receives the value of the specified location in the output message.

A request SOAP envelope we would expect to see is:
<S:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/"> 
  |  <S:Body> 
  |   <math:add xmlns:math="urn:example:math"> 
  |    <firstNumber>20</firstNumber> 
  |    <secondNumber>45</secondNumber> 
  |   </math:add> 
  |  </S:Body> 
  | </S:Envelope>
A possible response SOAP envelope is:
<S:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/";> 
  |  <S:Body> 
  |   <math:addResponse xmlns:math="urn:example:math"> 
  |    <result>65</result> 
  |   </math:addResponse> 
  |  </S:Body> 
  | </S:Envelope>

Do you think we can build a portable JAX-WS client that implements this design with the current features of JBossWS?

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