/// <summary>
/// Writes value of this parameter to stream.
/// </summary>
internal void Write(BinaryWriter writer)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (Value == null || Value == DBNull.Value)
{
throw new InvalidOperationException("Write should not be called on parameters with null value");
}
if (IsValidatedCollection)
{
var count = GetCollectionCount(Value);
RowData.Write7BitEncodedInt(writer, count);
if (count > 0)
{
var enumerator = GetEnumerator(Value);
var enumwriter = GetEnumeratorWriter(DbType);
enumwriter(writer, enumerator);
}
}
else
{
WritePrimitiveValue(writer, DbType, Value);
}
}
private static Action <BinaryWriter, object> GetEnumeratorWriter(DbType dbType)
{
switch (dbType)
{
//case DbType.VarNumeric:
// break;
case DbType.AnsiString:
case DbType.String:
case DbType.AnsiStringFixedLength:
case DbType.StringFixedLength:
case DbType.Xml:
return((writer, untyped) =>
{
var typed = (IEnumerator <string>)untyped;
while (typed.MoveNext())
{
var data = typed.Current;
var len = data == null ? -1 : data.Length;
RowData.Write7BitEncodedInt(writer, len);
for (var i = 0; i < len; i++)
{
RowData.Write7BitEncodedInt(writer, data[i]);
}
}
});
case DbType.Binary:
case DbType.Object:
return((writer, untyped) =>
{
var typed = (IEnumerator <byte[]>)untyped;
while (typed.MoveNext())
{
var data = typed.Current;
var len = data == null ? -1 : data.Length;
RowData.Write7BitEncodedInt(writer, len);
if (len > 0)
{
writer.Write(data, 0, data.Length);
}
}
});
case DbType.Byte:
return((writer, untyped) =>
{
var typed = (IEnumerator <Byte>)untyped;
while (typed.MoveNext())
{
writer.Write(typed.Current);
}
});
case DbType.Boolean:
return((writer, untyped) =>
{
var typed = (IEnumerator <Boolean>)untyped;
while (typed.MoveNext())
{
writer.Write(typed.Current);
}
});
case DbType.Time:
return((writer, untyped) =>
{
var typed = (IEnumerator <TimeSpan>)untyped;
while (typed.MoveNext())
{
writer.Write(typed.Current.Ticks);
}
});
case DbType.Date:
case DbType.DateTime2:
case DbType.DateTime:
return((writer, untyped) =>
{
var typed = (IEnumerator <DateTime>)untyped;
while (typed.MoveNext())
{
writer.Write(typed.Current.ToBinary());
}
});
case DbType.Currency:
case DbType.Decimal:
return((writer, untyped) =>
{
var typed = (IEnumerator <Decimal>)untyped;
while (typed.MoveNext())
{
writer.Write(typed.Current);
}
});
case DbType.Double:
return((writer, untyped) =>
{
var typed = (IEnumerator <Double>)untyped;
while (typed.MoveNext())
{
writer.Write(typed.Current);
}
});
case DbType.Guid:
return((writer, untyped) =>
{
var typed = (IEnumerator <Guid>)untyped;
var curr = new RowData.ValueHolder16Bytes();
while (typed.MoveNext())
{
curr.AsGuid = typed.Current;
writer.Write(curr.Lo);
writer.Write(curr.Hi);
}
});
case DbType.Int16:
return((writer, untyped) =>
{
var typed = (IEnumerator <Int16>)untyped;
while (typed.MoveNext())
{
writer.Write(typed.Current);
}
});
case DbType.Int32:
return((writer, untyped) =>
{
var typed = (IEnumerator <Int32>)untyped;
while (typed.MoveNext())
{
writer.Write(typed.Current);
}
});
case DbType.Int64:
return((writer, untyped) =>
{
var typed = (IEnumerator <Int64>)untyped;
while (typed.MoveNext())
{
writer.Write(typed.Current);
}
});
case DbType.SByte:
return((writer, untyped) =>
{
var typed = (IEnumerator <SByte>)untyped;
while (typed.MoveNext())
{
writer.Write(typed.Current);
}
});
case DbType.Single:
return((writer, untyped) =>
{
var typed = (IEnumerator <Single>)untyped;
while (typed.MoveNext())
{
writer.Write(typed.Current);
}
});
case DbType.UInt16:
return((writer, untyped) =>
{
var typed = (IEnumerator <UInt16>)untyped;
while (typed.MoveNext())
{
writer.Write(typed.Current);
}
});
case DbType.UInt32:
return((writer, untyped) =>
{
var typed = (IEnumerator <UInt32>)untyped;
while (typed.MoveNext())
{
writer.Write(typed.Current);
}
});
case DbType.UInt64:
return((writer, untyped) =>
{
var typed = (IEnumerator <UInt64>)untyped;
while (typed.MoveNext())
{
writer.Write(typed.Current);
}
});
case DbType.DateTimeOffset:
return((writer, untyped) =>
{
var typed = (IEnumerator <DateTimeOffset>)untyped;
var curr = new RowData.ValueHolder16Bytes();
while (typed.MoveNext())
{
curr.AsDateTimeOffset = typed.Current;
writer.Write(curr.Lo);
writer.Write(curr.Hi);
}
});
default:
throw new DataException("Invalid DbType: " + dbType);
}
}
private static void WritePrimitiveValue(BinaryWriter writer, DbType dbType, object value)
{
switch (dbType)
{
//case DbType.VarNumeric:
// break;
case DbType.AnsiString:
case DbType.String:
case DbType.AnsiStringFixedLength:
case DbType.StringFixedLength:
case DbType.Xml:
{
var data = (string)value;
var len = data.Length; // we don't expect null values here
RowData.Write7BitEncodedInt(writer, len);
for (var i = 0; i < len; i++)
{
RowData.Write7BitEncodedInt(writer, data[i]);
}
}
break;
case DbType.Binary:
case DbType.Object:
{
var data = (byte[])value;
var len = data.Length; // we don't expect null values here
RowData.Write7BitEncodedInt(writer, len);
if (len > 0)
{
writer.Write(data, 0, data.Length);
}
}
break;
case DbType.Byte:
writer.Write((Byte)value);
break;
case DbType.Boolean:
writer.Write((bool)value);
break;
case DbType.Time:
writer.Write(((TimeSpan)value).Ticks);
break;
case DbType.Date:
case DbType.DateTime2:
case DbType.DateTime:
writer.Write(((DateTime)value).ToBinary());
break;
case DbType.Currency:
case DbType.Decimal:
writer.Write((Decimal)value);
break;
case DbType.Double:
writer.Write((Double)value);
break;
case DbType.Guid:
{
var curr = new RowData.ValueHolder16Bytes {
AsGuid = (Guid)value
};
writer.Write(curr.Lo);
writer.Write(curr.Hi);
}
break;
case DbType.Int16:
writer.Write((Int16)value);
break;
case DbType.Int32:
writer.Write((Int32)value);
break;
case DbType.Int64:
writer.Write((Int64)value);
break;
case DbType.SByte:
writer.Write((SByte)value);
break;
case DbType.Single:
writer.Write((Single)value);
break;
case DbType.UInt16:
writer.Write((UInt16)value);
break;
case DbType.UInt32:
writer.Write((UInt32)value);
break;
case DbType.UInt64:
writer.Write((UInt64)value);
break;
case DbType.DateTimeOffset:
{
var curr = new RowData.ValueHolder16Bytes {
AsDateTimeOffset = (DateTimeOffset)value
};
writer.Write(curr.Lo);
writer.Write(curr.Hi);
}
break;
default:
throw new DataException("Invalid DbType: " + dbType);
}
}