Dynamic service invocation using ws addressing reply-to

Question

Hi,
I am sending soap request contains ws addressing header with message id, reply-to values to invoke a async bpel process.
So can I invoke a web service inside async bpel using input reply-to value dynamically?
Do I need to create a dynamic partner link using invoke or can I use callbackclient?
Please share your inputs.
Thanks.

Answer 1

Bharat,
You dont need a Business Event setup to invoke a BPEL process from PL/SQL unless you have a special case and you need to process the response from the BPEL process in a separate thread (or in background)..
For a straight call to BPEL process from PL/SQL, here is a sample script -
function "MYTEST0" return varchar2 AS
soap_request varchar2(30000);
soap_respond varchar2(30000);
http_req utl_http.req;
http_resp utl_http.resp;
resp XMLType;
i integer;
helpStr varchar2(30000);
BEGIN
soap_request:= '<?xml version = ''1.0'' encoding = ''UTF-8''?>
<env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:ns0="
http://xmlns.oracle.com/TestWS">
<env:Body>
<ns0:TestWSProcessRequest>
<ns0:input>abc</ns0:input>
</ns0:TestWSProcessRequest>
</env:Body>
</env:Envelope>
/* the BPEL process name is TestWS */
http_req:= utl_http.begin_request
( 'http://hostname:7777/orabpel/default/TestWS/1.0'
, 'POST'
, 'HTTP/1.1'
utl_http.set_header(http_req, 'Content-Type', 'text/xml');
utl_http.set_header(http_req, 'Content-Length', length(soap_request));
utl_http.set_header(http_req, 'SOAPAction', 'process');
utl_http.write_text(http_req, soap_request);
http_resp:= utl_http.get_response(http_req);
utl_http.read_text(http_resp, soap_respond);
utl_http.end_response(http_resp);
resp:= XMLType.createXML(soap_respond);
resp:= resp.extract('/soap:Envelope/soap:Body/child::node()',
'xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"');
helpStr := '';
i:=0;
loop
helpStr := helpStr || substr(soap_respond,1+ i*255,250);
i:= i+1;
if i*250> length(soap_respond)
then
exit;
end if;
end loop;
return helpStr;
END;