/// <summary>
/// Build segment record with specified item in memory stream.
/// (writes length + item bytes)
/// </summary>
/// <param name="item">Item</param>
/// <param name="writer">Writer that wraps memory stream</param>
private void SerializeItemToStream(T item, RegionBinaryWriter writer)
{
Debug.Assert(writer != null);
Debug.Assert(Monitor.IsEntered(_writeLock));
checked
{
var stream = writer.BaseStream;
int origin = stream.InnerStreamPosition;
stream.SetOriginLength(origin + 4, -1); // Offset 4 to store length later
Debug.Assert(stream.Length == 0);
_serializer.Serialize(writer, item);
writer.Flush();
Debug.Assert(stream.Length >= 0);
int length = (int)stream.Length;
stream.SetOrigin(origin); // Offset back to the beggining
writer.Write((int)length); // Write length
stream.Seek(0, SeekOrigin.End); // Seek to the end of the stream
}
}
/// <summary>
/// Build segment record with specified item in memory stream.
/// (writes length + item bytes)
/// </summary>
/// <param name="item">Item</param>
/// <param name="writer">Writer that wraps memory stream</param>
private void SerializeItemToStream(T item, RegionBinaryWriter writer)
{
TurboContract.Requires(writer != null, conditionString: "writer != null");
TurboContract.Assert(Monitor.IsEntered(_writeLock), conditionString: "Monitor.IsEntered(_writeLock)");
checked
{
var stream = writer.BaseStream;
int origin = stream.InnerStreamPosition;
stream.SetOriginLength(origin + 4, -1); // Offset 4 to store length later
TurboContract.Assert(stream.Length == 0, conditionString: "stream.Length == 0");
_serializer.Serialize(writer, item);
writer.Flush();
TurboContract.Assert(stream.Length >= 0, conditionString: "stream.Length >= 0");
int length = (int)stream.Length;
stream.SetOrigin(origin); // Offset back to the beggining
writer.Write((int)length); // Write length
stream.Seek(0, SeekOrigin.End); // Seek to the end of the stream
}
}
