user_data_source.h

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// Copyright (C) 2013-2015 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#ifndef _USER_DATA_SOURCE_H
#define _USER_DATA_SOURCE_H

#include <exceptions/exceptions.h>
#include <user.h>

namespace user_chk {

class UserDataSourceError : public isc::Exception {
public:
    UserDataSourceError(const char* file, size_t line,
                               const char* what) :
        isc::Exception(file, line, what) { };
};

class UserDataSource {
public:
    UserDataSource() {};

    virtual ~UserDataSource() {};

    virtual void open() = 0;

    virtual UserPtr readNextUser() = 0;

    virtual void close() = 0;

    virtual bool isOpen() const = 0;
};

typedef boost::shared_ptr<UserDataSource> UserDataSourcePtr;

} // namespace user_chk

#endif