Tutorial Addendum on Web Account and SOAP - SOAP RPC Presentation

31 December 18:00

Using SOAP Letters to Adjure RPC

Invocation of added complicated limited procedures requires SOAP messages. Actuality is an example.

Example 3 - A user wants to amend prices of a account of allotment numbers in an account arrangement with

the afterward RPC:

 

       updatePrice(List=ArrayOfStructures)

The SOAP bulletin to adjure the aloft RPC could attending like:

 

    <?xml version="1.0"?>

    
<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope">

    
 <env:Body 

    
    env:encodingStyle="http://www.w3.org/2003/05/soap-encoding"

    
    xmlns:enc="http://www.w3.org/2003/05/soap-encoding">

    
  <rpc:updatePrice enc:nodeType="struct" xmlns:rpc="http://www.yang.com">

    
   <rpc:List enc:arraySize="2">

    
    <rpc:item>

    
     <rpc:PartNumber>123</rpc:PartNumber>

    
     <rpc:Price>99.00</rpc:Price>

    
    </rpc:item>

    
    <rpc:item>

    
     <rpc:PartNumber>321</rpc:PartNumber>

    
     <rpc:Price>199.00</rpc:Price>

    
    </rpc:item>

    
   </rpc:List>

    
  </rpc:updatePrice>

    
 </env:Body>

    
</env:Envelope>

RPC Acknowledgment Messages

Examples of RPC responses:

Example 1 - A user needs to adjure the afterward RPC on a ambition arrangement alleged "inventory":

 

       getQuantityInStock(PartNumber="123")

This RPC can be invoked as a Web method. The ambition arrangement will retrieve the accepted abundance amount

and forward it aback in a SOAP RPC acknowledgment message:

 

    <?xml version="1.0"?>

    
<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope">

    
 <env:Body 

    
    env:encodingStyle="http://www.w3.org/2003/05/soap-encoding"

    
    xmlns:enc="http://www.w3.org/2003/05/soap-encoding">

    
  <res:response enc:nodeType="struct" xmlns:res="http://www.yang.com">

    
   <res:result>208</res:result>

    
  </res:response>

    
 </env:Body>

    
</env:Envelope>

Example 2 - Addition user needs to adjure the afterward RPC on a ambition arrangement alleged "inventory":

 

       updateQuantityInStock(PartNumber="123", NewQuantity="200")

This RPC can be invoked as a Web method. The ambition arrangement will amend the abundance and forward a SOAP RPC acknowledgment bulletin back.

The ambition arrangement may adjudge to cover the adapted abundance as the acknowledgment value, and the antecedent amount as an output

parameter:

 

    <?xml version="1.0"?>

    
<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope">

    
 <env:Body 

    
    env:encodingStyle="http://www.w3.org/2003/05/soap-encoding"

    
    xmlns:enc="http://www.w3.org/2003/05/soap-encoding">

    
  <res:response enc:nodeType="struct" xmlns:res="http://www.yang.com">

    
   <res:result>200</res:result>

    
   <res:previousQuantity>208</res:previousQuantity>

    
  </res:response>

    
 </env:Body>

    
</env:Envelope>

Example 3 - A user wants to amend prices of a account of allotment numbers in an account arrangement with

the afterward RPC:

 

       updatePrice(List=ArrayOfStructures)

This RPC can be invoked with a SOAP RPC abracadabra message. The ambition arrangement will amend prices

based on the account accustomed as an ascribe constant and forward a SOAP RPC acknowledgment message. The ambition arrangement may decide

to cover the amount of prices that accept been adapted as the acknowledgment value:

 

    <?xml version="1.0"?>

    
<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope">

    
 <env:Body 

    
    env:encodingStyle="http://www.w3.org/2003/05/soap-encoding"

    
    xmlns:enc="http://www.w3.org/2003/05/soap-encoding">

    
  <res:response enc:nodeType="struct" xmlns:res="http://www.yang.com">

    
   <res:result>2</res:result>

    
  </res:response>

    
 </env:Body>

    
</env:Envelope>

Conclusions

SOAP RPC Presentation offers some simple rules that users should chase if breeding RPC abracadabra SOAP messages

and RPC acknowledgment messages.

Question for you, can the antecedent arrangement adjure RPC as a Web adjustment after any SOAP messages, and acquiesce the ambition system

to acknowledgment SOAP messages?

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