NetBase - A Minimal .NET Database with a Small SQL Parser, Part 1

/*
NetBase .NET database
Copyright (C) 2009  buttonpusher

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.Common;
using NetBase.Sql;

namespace NetBase.Api
{
    public class DbfCommand : DbCommand
    {
        internal Sql.IQuery UnderlyingQuery { get; set; }

        public DbfCommand(DbfConnection con)
        {
            this.Connection = con;
        }

        public override void Cancel()
        {
            throw new NotImplementedException();
        }

        public override string CommandText {get;set;}
        
        public override int CommandTimeout
        {
            get
            {
                throw new NotImplementedException();
            }
            set
            {
                throw new NotImplementedException();
            }
        }

        public override System.Data.CommandType CommandType
        {
            get
            {
                throw new NotImplementedException();
            }
            set
            {
                throw new NotImplementedException();
            }
        }

        protected override DbParameter CreateDbParameter()
        {
            throw new NotImplementedException();
        }

        protected override DbConnection DbConnection {get;set;}
        
        protected override DbParameterCollection DbParameterCollection
        {
            get { throw new NotImplementedException(); }
        }

        protected override DbTransaction DbTransaction
        {
            get
            {
                throw new NotImplementedException();
            }
            set
            {
                throw new NotImplementedException();
            }
        }

        public override bool DesignTimeVisible
        {
            get
            {
                throw new NotImplementedException();
            }
            set
            {
                throw new NotImplementedException();
            }
        }

        protected override DbDataReader ExecuteDbDataReader(System.Data.CommandBehavior behavior)
        {
            this.Prepare();

            Storage.ITable tbl = ((DbfConnection)this.DbConnection)
                .UnderlyingDatabase.Execute(this.UnderlyingQuery.Runnable);

            if (this.UnderlyingQuery.GetType() == typeof(SelectQuery))
            {
                return new DbfDataReader(tbl);
            }
            return null;
           
        }

        public override int ExecuteNonQuery()
        {
            throw new NotImplementedException();
        }

        public override object ExecuteScalar()
        {
            throw new NotImplementedException();
        }

        public override void Prepare()
        {
            QueryBuilder qb = new QueryBuilder();
            this.UnderlyingQuery = qb.Parse(this.CommandText);
        }

        public override System.Data.UpdateRowSource UpdatedRowSource
        {
            get
            {
                throw new NotImplementedException();
            }
            set
            {
                throw new NotImplementedException();
            }
        }
    }
}