/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.    
 */
#ifndef RESULT_SET_META_DATA_H
#define RESULT_SET_META_DATA_H

#include <string>
#include <map>

#include "apache/das/rdb/Statement.h"
#include "apache/das/rdb/ResultSet.h"
#include "apache/das/rdb/DASColumnNotFoundException.h"
#include "apache/das/rdb/DASInvalidSQLTypeException.h"

namespace apache {
	namespace das {
		namespace rdb {

class ResultSet;

class ResultSetMetaData {

	private:
		const ResultSet* resultSet;
		std::map<std::string, unsigned int> columnsIndexes;

		static SQLSMALLINT getSQLCType(SQLSMALLINT sqlType);

	public:
		ResultSetMetaData(const ResultSet& aResultSet);
		virtual ~ResultSetMetaData(void);

		const ResultSet& getResultSet(void) const;

		std::string getSQLTypeName(unsigned int columnIndex) const;
		std::string getSQLTypeName(std::string tableName, std::string columnName) const;

		std::string getColumnName(unsigned int columnIndex) const;
		unsigned int getColumnIndex(std::string tableName, std::string columnName) const;

		std::string getTableName(unsigned int columnIndex) const;
		std::string getTableName(std::string tableName, std::string columnName) const;

		SQLSMALLINT getSQLType(unsigned int columnIndex) const;
		SQLSMALLINT getSQLType(std::string tableName, std::string columnName) const;

		SQLSMALLINT getSQLCType(unsigned int columnIndex) const;
		SQLSMALLINT getSQLCType(std::string tableName, std::string columnName) const;

		unsigned int getColumnCount(void) const;

		bool containsColumn(std::string tableName, std::string columnName) const;

};

		};
	};
};

#endif //RESULT_SET_META_DATA_H