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//
// HashFunction.h
//
// Library: Foundation
// Package: Hashing
// Module: HashFunction
//
// Definition of the HashFunction class.
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_HashFunction_INCLUDED
#define Foundation_HashFunction_INCLUDED
#include "Poco/Foundation.h"
#include "Poco/Hash.h"
namespace Poco {
template <class T>
struct POCO_DEPRECATED("use Hash") HashFunction
/// A generic hash function.
{
UInt32 operator () (T key, UInt32 maxValue) const
/// Returns the hash value for the given key.
{
return static_cast<UInt32>(Poco::hash(key)) % maxValue;
}
};
template <>
struct POCO_DEPRECATED("use Hash") HashFunction<std::string>
/// A generic hash function.
{
UInt32 operator () (const std::string& key, UInt32 maxValue) const
/// Returns the hash value for the given key.
{
return static_cast<UInt32>(Poco::hash(key)) % maxValue;
}
};
} // namespace Poco
#endif // Foundation_HashFunctions_INCLUDED
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