Athena Developer Guide

Athena Chapter 13 Framework services Version/Issue: 2.0.0
Listing 13.8 A minimal service implementation
// Factory for instantiation of service objects
static SvcFactory s_factory;
const ISvcFactory& SpecificServiceFactory = s_factory;
// UNIQUE Interface identifiers defined elsewhere
extern const IID& IID_IConcreteSvcType1;
extern const IID& IID_IConcreteSvcType2;
// queryInterface
StatusCode SpecificService::queryInterface(const IID& riid, void** ppvIF) {
if(IID_IConcreteSvcType1 == riid) {
*ppvIF = dynamic_cast (this);
return StatusCode::SUCCESS;
} else if(IID_IConcreteSvcType2 == riid) {
*ppvIF = dynamic_cast (this);
return StatusCode::SUCCESS;
} else {
return Service::queryInterface(riid, ppvIF);
}
}
StatusCode SpecificService::initialize() { ... }
StatusCode SpecificService::finalize() { ... }
// Implement the specifics ...
SpecificService::method1() {...}
SpecificService::method2() {...}
SpecificService::method3() {...}
SpecificService::method4() {...}
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