EMA C++ Developers Guide : 5 Provider Classes : 5.3 OMMIProviderConfig
 
5.3 OMMIProviderConfig
You can use the OmmNiProviderConfig class to customize the functionality of the OmmProvider class. The default behavior of OmmProvider is hard coded in the OmmNiProviderConfig class. You can configure OmmProvider in any of the following ways:
Using the EmaConfig.xml file
Using interface methods on the OmmNiProviderConfig class
Passing OMM-formatted configuration data through the OmmNiProviderConfig::config( const Data& ) method.
For more details on using the OmmNiProviderConfig class and associated configuration parameters, refer to the Enterprise Message API Configuration Guide.