Consuming a Stateful Web Service 

Use

The interface patterns stateless (XI 3.0 compatible), stateless, stateful, and TU&C/C assign the type of communication to be performed to each service interface. Stateful communication means that the messaging runtime supports the saving of a status at the provider once the messaging runtime has completed the message exchange successfully.

This interface pattern is only needed for a few special technical scenarios. It does not guarantee a common update of data at the receiver.

You cannot use this interface pattern for enhanced communication using the Integration Server. Only synchronous stateful communication is supported.

Prerequisites

●      You have generated a proxy (refer also to Generating a Consumer Proxy).

●      You have configured the consumer proxy.

For more information, refer to the section Configuring the Consumer Proxy.

●      The role SAP_BC_WEBSERVICE_CONSUMER has been assigned to your user master record (refer to the section Authorizations).

Calling a Synchronous Service from an Application

Proceed as follows:

...

       1.      Instantiate the proxy class.

DATA: lv_<client proxy name> TYPE REF TO <client proxy name>.

CREATE OBJECT lv_<client proxy name>

  EXPORTING

     LOGICAL_PORT_NAME =

The logical port must be specified if no standard port has been agreed upon.

       2.      Fill in the displayed query data.        

DATA: lv_<request data> TYPE <request data>.

      lv_<response data> TYPE <response data>.

       3.      Call the service.

CALL METHOD lv_<client proxy name>-><name of method / operation>

EXPORTING

 INPUT = lv_<request data>

      IMPORTING

 OUTPUT = lv_<response data>

       4.      Edit the received data.

LOOP AT lv_<response data>

   <process the data>

ENDLOOP.

●      The runtime supports protocols for the purposes of more specialist services.