Source code of Windows XP (NT5)
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// Registry.h -- Registry template class definition
// (c) Copyright Schlumberger Technology Corp., unpublished work, created
// 1999. This computer program includes Confidential, Proprietary
// Information and is a Trade Secret of Schlumberger Technology Corp. All
// use, disclosure, and/or reproduction is prohibited unless authorized
// in writing. All Rights Reserved.
#if !defined(SLBCSP_REGISTRY_H)
#define SLBCSP_REGISTRY_H
#include "Lockable.h"
#include "Guarded.h"
#include "MapUtility.h"
// Companion to Registrar, the Registry template class maintains a
// collection of T pointers indexed by Key.
template<typename Collection>
class Registry
: public Lockable
{
public:
// Types
typedef Collection CollectionType;
// C'tors/D'tors
// Constructs the registry. If fSetup is true, then space is
// allocated for the registry; otherwise operator() will return 0
// until Setup is called. This supports lazy initialization.
explicit
Registry();
~Registry();
// Operators
CollectionType &
operator()();
// Operations
// Access
// Predicates
protected:
// Types
// C'tors/D'tors
// Operators
// Operations
// Access
// Predicates
// Variables
private:
// Types
// C'tors/D'tors
Registry(Registry const &rhs); // not defined, copying not allowed
// Operators
Registry &
operator=(Registry const &rhs); // not defined, assignment not allowed
// Operations
// Access
// Predicates
// Variables
CollectionType m_collection;
};
///////////////////////// TEMPLATE METHODS ///////////////////////////////
/////////////////////////////// HELPERS ///////////////////////////////////
template<class C, class Op>
void
ForEachEnrollee(Registry<C const> &rRegistry,
Op &rProc)
{
Guarded<Lockable *> guard(&rRegistry); // serialize registry access
C const &rcollection = (rRegistry)();
ForEachMappedValue(rcollection.begin(), rcollection.end(),
rProc);
}
/////////////////////////// PUBLIC /////////////////////////////////
// Types
// C'tors/D'tors
template<typename Collection>
Registry<Collection>::Registry()
: Lockable(),
m_collection()
{}
template<typename Collection>
Registry<Collection>::~Registry()
{}
// Operators
template<typename Collection>
Registry<Collection>::CollectionType &
Registry<Collection>::operator()()
{
return m_collection;
}
// Operations
// Access
// Predicates
// Static Variables
/////////////////////////// PROTECTED /////////////////////////////////
// C'tors/D'tors
// Operators
// Operations
// Access
// Predicates
// Static Variables
/////////////////////////// PRIVATE /////////////////////////////////
// C'tors/D'tors
// Operators
// Operations
// Access
// Predicates
// Static Variables
#endif // SLBCSP_REGISTRY_H