EclipseLink DBWS Service based on Stored Procedure
The use-case for this example is the creation of a Web service that exposes a Stored Procedure (or multiple procedures). From the metadata for a Stored Procedure, it is not possible to determine the structure of the returned data. Therefore, the Simple XML Format schema is used. The EclipseLink DBWS runtime produces an XML document that is simple and 'human-readable'. Any combination of IN, OUT and IN OUT arguments are supported; in addition, procedures in packages that are overloaded - same name, different parameters – are supported.
The following stored procedure will be used for this example:
CREATE OR REPLACE PROCEDURE TESTECHO(T IN VARCHAR2, U OUT VARCHAR2) AS
U := CONCAT(T, '-test');