com.hcl.voltmx.middleware.common

Interface DataPostProcessor2

public interface DataPostProcessor2

Use DataPostProcessor2 to add custom post-processing logic (like manipulating the data returned by the service call) to the operation after a back-end service call is made by the Connector. If the Connector execution is successful, then result object will have "opstatus" of type Param with value (zero for success and non-zero for failure).

If either the pre-processor or the Connector throws an exception then instead of execute method, OnException method is called. Refer documentation of OnException for more details.

Note: DataPostProcessor2 is a singleton - only one instance of this class is created and the same is used for every service call. Therefore, DataPostProcessor should not have any user/request specific data or state. Any data common to all the users/requests may be stored.

See Also:

DataPreProcessor, DataPreProcessor2, DataPostProcessor, Param, OnException

Method Summary

Modifier and Type	Method and Description
Object	execute(Result result, DataControllerRequest request, DataControllerResponse response) Performs custom post-processor logic after calling the back-end service.

Method Detail

execute

Object execute(Result result,
               DataControllerRequest request,
               DataControllerResponse response)
        throws Exception

Performs custom post-processor logic after calling the back-end service.

Parameters:

result - A result of the pre-process and back-end service calls.

request - A wrapper over actual client request

response - A wrapper over actual client response to be returned to client

Returns:

Updated result of type Result that will be returned to the client.

Throws:

Exception - any error in pre-processing

See Also:

DataControllerRequest, Result