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#ifndef __WASERVICEFACTORYTSINGLE_IMPL_H
#define __WASERVICEFACTORYTSINGLE_IMPL_H
/*<?<autoheader/>*/
/*?>*/
#include "waservicefactorybase.h"
#include <bfc/bfc_assert.h>
// this is a service factory template that holds one copy of a class
// and reissues the pointer as needed, with reference counting
template <class SERVICETYPE, class SERVICE>
class waServiceFactoryTSingle : public waServiceFactoryBase<SERVICETYPE, SERVICE> {
public:
waServiceFactoryTSingle(GUID myGuid = INVALID_GUID) :
refcount(0), waServiceFactoryBase<SERVICETYPE, SERVICE>(myGuid) {
singleService = new SERVICE;
}
waServiceFactoryTSingle(SERVICE *svc, GUID myGuid = INVALID_GUID) :
singleService(svc), refcount(0),
waServiceFactoryBase<SERVICETYPE, SERVICE>(myGuid) { }
~waServiceFactoryTSingle() {
delete singleService;
}
virtual SERVICETYPE *newService() {
ASSERT(singleService != NULL);
refcount++;
return singleService;
}
virtual int delService(SERVICETYPE *service) {
ASSERT(static_cast<SERVICE*>(service) == singleService);
refcount--;
ASSERT(refcount >= 0);
return 1;
}
SERVICE *getSingleService() { return singleService; }
private:
SERVICE * singleService;
int refcount;
};
#endif // __WASERVICEFACTORYTSINGLE_IMPL_H
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