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