ayanova7/source/Data/Data/FireBird/FireBirdDataReaderWrapper.cs

using System;
using System.Collections;
using System.Data;
using FirebirdSql.Data.FirebirdClient;
//using FirebirdSql.Data.Firebird;
using System.Globalization;
using System.Text;

namespace GZTW.Data.FireBird
{
	/// <devdoc>
	/// A wrapper to convert data from FireBird for the reader.
	/// </devdoc>
	internal class FireBirdDataReaderWrapper : MarshalByRefObject, IDataReader, IEnumerable
	{
		private FbDataReader innerReader;

		public static explicit operator FbDataReader(FireBirdDataReaderWrapper fireBirdDataReaderWrapper)
		{
			return fireBirdDataReaderWrapper.InnerReader;
		}

		public FireBirdDataReaderWrapper(FbDataReader reader)
		{
			this.innerReader = reader;
		}

		public object this[int index]
		{
			get { return InnerReader[index]; }
		}

		public object this[string name]
		{
			get { return InnerReader[name]; }
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return ((IEnumerable)InnerReader).GetEnumerator();
		}

		void IDisposable.Dispose()
		{
			//InnerReader.Dispose();
		}

		public void Close()
		{
			InnerReader.Close();
		}

		public DataTable GetSchemaTable()
		{
			return InnerReader.GetSchemaTable();
		}

		public bool NextResult()
		{
			return InnerReader.NextResult();
		}

		public bool Read()
		{
			return InnerReader.Read();
		}

		public int Depth
		{
			get { return InnerReader.Depth; }
		}

		public bool IsClosed
		{
			get { return InnerReader.IsClosed; }
		}

		public int RecordsAffected
		{
			get { return InnerReader.RecordsAffected; }
		}

		public int FieldCount
		{
			get { return InnerReader.FieldCount; }
		}

		    
		public bool GetBoolean(int index)
		{
			if(InnerReader.GetInt16(index)!=0)
				return true;
			return false;
			//not directly supported, using int16 instead
			//int nBool=InnerReader.get
			//return InnerReader.GetBoolean(index);
		}

		public byte GetByte(int index)
		{
			return InnerReader.GetByte(index);
			
		}

		public long GetBytes(int ordinal, long dataIndex, byte[] buffer, int bufferIndex, int length)
		{
			return InnerReader.GetBytes(ordinal, dataIndex, buffer, bufferIndex, length);
		}

		public Char GetChar(int index)
		{
			return InnerReader.GetChar(index);
		}

		public long GetChars(int index, long dataIndex, char[] buffer, int bufferIndex, int length)
		{
			return InnerReader.GetChars(index, dataIndex, buffer, bufferIndex, length);
		}

		public IDataReader GetData(int index)
		{
			return InnerReader.GetData(index);
		}

		public string GetDataTypeName(int index)
		{
			return InnerReader.GetDataTypeName(index);
		}

		public DateTime GetDateTime(int ordinal_)
		{
			return InnerReader.GetDateTime(ordinal_);
		}

		
		public decimal GetDecimal(int index)
		{
			return InnerReader.GetDecimal(index);		
			
		}

		public double GetDouble(int index)
		{
			return InnerReader.GetDouble(index);
		}

		public Type GetFieldType(int index)
		{
			return InnerReader.GetFieldType(index);
		}

	     
		public float GetFloat(int index)
		{
			return InnerReader.GetFloat(index);
		}

		      
		//not directly supported using char38
		public Guid GetGuid(int index)
		{
			string sTemp=InnerReader.GetString(index);
			if(sTemp==null||sTemp=="")
				return Guid.Empty;
			else
				return new Guid(sTemp);
			
		}

		
		public short GetInt16(int index)
		{			
			return InnerReader.GetInt16(index);
		}

		public int GetInt32(int index)
		{
			return InnerReader.GetInt32(index);
		}

		public long GetInt64(int index)
		{
			return InnerReader.GetInt64(index);
		}

		public string GetName(int index)
		{
			return InnerReader.GetName(index);
		}

		public int GetOrdinal(string index)
		{
			
			return InnerReader.GetOrdinal(index);
		}

		
		public string GetString(int index)
		{
			return InnerReader.GetString(index);
			
		}

		public object GetValue(int index)
		{
			return InnerReader.GetValue(index);
		}

		public int GetValues(object[] values)
		{
			return InnerReader.GetValues(values);
		}

		public bool IsDBNull(int index)
		{
			return InnerReader.IsDBNull(index);
		}

		public FbDataReader InnerReader
		{
			get { return this.innerReader; }
		}
	}
}