uvm_resource_db usage

Hi,

I am using uvm_resource_db to set and get any component configuration. But I am getting an error saying configuration object is not found. Its something that its not able to get the config object from configuration space.

In env build_phase, I do set the configuration as below:

uvm_resource_db#(io_config)::set("io_agent_0*","io_agent_config",m_io_config,this);

And in io_agent, below code is used to get the configuration:

assert(uvm_resource_db#(io_config)::read_by_name(get_full_name(),"io_agent_config",cfg,this) else

uvm_report_fatal("io_agent","not able to get the configuration object");

Kindly let me know if there is anything wrong in the above usage.

And also, can I do setting configuration through uvm_resource_db and getting it through uvm_config_db.

Thanks

A.Sunitha