ClickHouse/base/poco/Foundation/include/Poco/KeyValueArgs.h

65 lines
1.2 KiB
C++

//
// KeyValueArgs.h
//
// Library: Foundation
// Package: Cache
// Module: KeyValueArgs
//
// Definition of the KeyValueArgs class.
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_KeyValueArgs_INCLUDED
#define Foundation_KeyValueArgs_INCLUDED
#include "Poco/Foundation.h"
namespace Poco
{
template <class TKey, class TValue>
class KeyValueArgs
/// Simply event arguments class to transfer a key and a value via an event call.
/// Note that key and value are *NOT* copied, only references to them are stored.
{
public:
KeyValueArgs(const TKey & aKey, const TValue & aVal) : _key(aKey), _value(aVal) { }
KeyValueArgs(const KeyValueArgs & args) : _key(args._key), _value(args._value) { }
~KeyValueArgs() { }
const TKey & key() const
/// Returns a reference to the key,
{
return _key;
}
const TValue & value() const
/// Returns a Reference to the value.
{
return _value;
}
protected:
const TKey & _key;
const TValue & _value;
private:
KeyValueArgs & operator=(const KeyValueArgs & args);
};
} // namespace Poco
#endif // Foundation_KeyValueArgs_INCLUDED