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/*
  Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.

  The MySQL Connector/C++ is licensed under the terms of the GPLv2
  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
  MySQL Connectors. There are special exceptions to the terms and
  conditions of the GPLv2 as it is applied to this software, see the
  FLOSS License Exception
  <http://www.mysql.com/about/legal/licensing/foss-exception.html>.

  This program 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; version 2 of the License.

  This program 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 this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
*/

#ifndef _MYSQL_RESULTSET_H_
#define _MYSQL_RESULTSET_H_

#include <boost/shared_ptr.hpp>

#include <cppconn/resultset.h>

#include "nativeapi/mysql_private_iface.h"

namespace sql
{
    namespace mysql
    {
        class MySQL_Statement;
        class MySQL_DebugLogger;
        class MySQL_ResultSetMetaData;

        namespace NativeAPI
        {
            class NativeResultsetWrapper;
        }

        class MySQL_ResultSet : public sql::ResultSet
        {
            MYSQL_ROW				row;
            boost::shared_ptr< NativeAPI::NativeResultsetWrapper > result;
            unsigned int			num_fields;
            uint64_t				num_rows;
            uint64_t				row_position;
            /* 0 = before first row, 1 - first row, 'num_rows + 1' - after last row */

            typedef std::map< sql::SQLString, unsigned int > FieldNameIndexMap;

            FieldNameIndexMap	field_name_to_index_map;
            mutable bool		was_null;

            const MySQL_Statement* parent;

            boost::shared_ptr< MySQL_DebugLogger > logger;

            std::auto_ptr< MySQL_ResultSetMetaData > rs_meta;

            sql::ResultSet::enum_type resultset_type;

        protected:
            void checkValid() const;
            void checkScrollable() const;
            bool isScrollable() const;
            bool isBeforeFirstOrAfterLast() const;
            void seek();

            MYSQL_FIELD* getFieldMeta(unsigned int columnIndex) const;

        public:
            MySQL_ResultSet(boost::shared_ptr< NativeAPI::NativeResultsetWrapper > res, sql::ResultSet::enum_type rset_type, MySQL_Statement* par,
                            boost::shared_ptr< MySQL_DebugLogger > & l);

            virtual ~MySQL_ResultSet();

            bool absolute(int row);

            void afterLast();

            void beforeFirst();

            void cancelRowUpdates();

            void clearWarnings();

            void close();

            uint32_t findColumn(const sql::SQLString& columnLabel) const;

            bool first();

            std::istream* getBlob(uint32_t columnIndex) const;
            std::istream* getBlob(const sql::SQLString& columnLabel) const;

            bool getBoolean(uint32_t columnIndex) const;
            bool getBoolean(const sql::SQLString& columnLabel) const;

            int getConcurrency();

            SQLString getCursorName();

            long double getDouble(uint32_t columnIndex) const;
            long double getDouble(const sql::SQLString& columnLabel) const;

            int getFetchDirection();

            size_t getFetchSize();

            int getHoldability();

            int32_t getInt(uint32_t columnIndex) const;
            int32_t getInt(const sql::SQLString& columnLabel) const;

            uint32_t getUInt(uint32_t columnIndex) const;
            uint32_t getUInt(const sql::SQLString& columnLabel) const;

            int64_t getInt64(uint32_t columnIndex) const;
            int64_t getInt64(const sql::SQLString& columnLabel) const;

            uint64_t getUInt64(uint32_t columnIndex) const;
            uint64_t getUInt64(const sql::SQLString& columnLabel) const;

            sql::ResultSetMetaData* getMetaData() const;

            size_t getRow() const;

            sql::RowID* getRowId(uint32_t columnIndex);
            sql::RowID* getRowId(const sql::SQLString& columnLabel);

            const sql::Statement* getStatement() const;

            SQLString getString(uint32_t columnIndex) const;
            SQLString getString(const sql::SQLString& columnLabel) const;

            sql::ResultSet::enum_type getType() const;

            void getWarnings();

            void insertRow();

            bool isAfterLast() const;

            bool isBeforeFirst()const;

            bool isClosed() const;

            bool isFirst() const;

            bool isLast() const;

            bool isNull(uint32_t columnIndex) const;

            bool isNull(const sql::SQLString& columnLabel) const;

            bool last();

            void moveToCurrentRow();

            void moveToInsertRow();

            bool next();

            bool previous();

            void refreshRow();

            bool relative(int rows);

            bool rowDeleted();

            bool rowInserted();

            bool rowUpdated();

            size_t rowsCount() const;

            void setFetchSize(size_t rows);

            bool wasNull() const;
        private:
            /* Prevent use of these */
            MySQL_ResultSet(const MySQL_ResultSet&);
            void operator=(MySQL_ResultSet&);
        };

    } /* namespace mysql */
} /* namespace sql */
#endif // _MYSQL_RESULTSET_H_

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: noet sw=4 ts=4 fdm=marker
 * vim<600: noet sw=4 ts=4
 */