public override void CopyFrom(EntityBase entity)
{
base.CopyFrom(entity);
PhysicalFileInfoData sourceEntity = entity as PhysicalFileInfoData;
if (sourceEntity != null)
{
this.LogicFileID = sourceEntity.LogicFileID;
this.Version = sourceEntity.Version;
this.FileLength = sourceEntity.FileLength;
this.CompressModeID = sourceEntity.CompressModeID;
this.EncryptModeID = sourceEntity.EncryptModeID;
this.StoreModeID = sourceEntity.StoreModeID;
}
}
internal void Initialize(RemoteStreamContext context)
{
__Error.CheckNullReference(context, "context");
if (context.FileID == Guid.Empty)
{
__Error.InvalidateFileID();
}
_context = context;
_proxy = CreateServiceProxy(context);
//Stopwatch w = new Stopwatch();
//w.Start();
_itemResult = FileManager.OpenFile(context, _proxy);
//w.Stop();
//Console.WriteLine("Open File execute times:" + w.ElapsedMilliseconds);
//_logicFileInfo = FileManager.GetFileInfo(context.FileID, context.Version);
if (context.FileMode == FileMode.None)
{
__Error.InvalidateFileMode();
}
FileAccess access = context.FileAccess;
if (FileMode.Truncate == context.FileMode)
{
access = FileAccess.Write;
}
LogicFileInfoData logicFileInfo = LogicFileInfo;
if (logicFileInfo == null)
{
if (context.FileMode == FileMode.Open ||
context.FileMode == FileMode.Append ||
context.FileMode == FileMode.Truncate)
{
__Error.NotExistsFileID(context.FileID);
}
}
if (logicFileInfo != null)
{
if (logicFileInfo.ReadOnly && this._canWrite)
{
__Error.FileReadOnly(context.FileID);
}
if (context.FileMode == FileMode.CreateNew)
{
__Error.ExistsFileID(context.FileID);
}
}
this._canRead = (access & FileAccess.Read) != 0;
this._canWrite = (access & FileAccess.Write) != 0;
PhysicalFileInfoData physicalFileInfo = this.PhysicalFileInfo;
if (physicalFileInfo != null)
{
this._fileLength = physicalFileInfo.FileLength;
}
if (context.FileMode == FileMode.Append)
{
_origin = _fileLength;
}
}