Repository.h

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/***************************************************************************
 *
 * Copyright (C) 2009-2010 Cassio Neri Moreira
 *
 * This file is part of the KeyValue library.
 *
 * The KeyValue library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or (at
 * your option) any later version.
 *
 * The KeyValue library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with KeyValue. If not, see <http://www.gnu.org/licenses/>.
 *
 **************************************************************************/

#ifndef KEYVALUE_MNGT_REPOSITORY_H_
#define KEYVALUE_MNGT_REPOSITORY_H_

#include <map>

#include <boost/utility.hpp>

#include "keyvalue/extern/SharedPtr.h"
#include "keyvalue/sys/exception/Exception.h"
#include "keyvalue/value/Vector.h"

namespace keyvalue {

// Forward declarations

class DataSet;

class Repository : private boost::noncopyable {

public:

  static Repository&
  getInstance();

  void
  add(shared_ptr<DataSet> dataSet);

  bool
  erase(const string& name);

  size_t
  clear();

  shared_ptr<DataSet>
  find(const string& name) const;

  shared_ptr<DataSet>
  getDataSet(const string& name) const;

  size_t
  getSize() const;

  value::Vector
  getList() const;

  class NotFound : public RuntimeError {

  public:

    /***
     * @brief   Constructor stores the name of DataSet which was not found.
     *
     * @param   name  : Name of DataSet which was not found.
     */
    explicit
    NotFound(string name);

    ~NotFound() throw();

    /***
     * @brief   Gets the name of DataSet which was not found.
     *
     * @return  The name od DataSet which was not found.
     */
    const string&
    getName() const;

  private:

    const string name_;
  };

private:

  typedef std::map <string, shared_ptr<DataSet> > Map_;
  typedef Map_::value_type                        Pair_;
  Map_                                            map_;

  Repository();

}; // class Repository

} // namespace keyvalue

#endif // KEYVALUE_MNGT_REPOSITORY_H_