public override void CopyFrom(EntityBase entity)
{
base.CopyFrom(entity);
LogicFileInfoData sourceEntity = entity as LogicFileInfoData;
if (sourceEntity != null)
{
this.LogicFileName = sourceEntity.LogicFileName;
this.LogicFileExt = sourceEntity.LogicFileExt;
this.LatestPhysicalFileID = sourceEntity.LatestPhysicalFileID;
this.IsReadOnly = sourceEntity.IsReadOnly;
this.LogicFileStatus = sourceEntity.LogicFileStatus;
}
}
protected internal void SetParent(LogicFileInfoData logicFileInfo)
{
_logicFileInfo = logicFileInfo;
}
/// <summary>
/// 判断是否存在对应的文件。
/// </summary>
/// <param name="logicFileID"></param>
/// <param name="version"></param>
/// <returns></returns>
public static bool FileExists(Guid logicFileID, int version, IRemoteFileStorage proxy)
{
LogicFileInfoData logicFileInfo = GetFileInfo(logicFileID, version, proxy);
return(logicFileInfo != null);
}
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;
}
}
public PhysicalFileInfoDataCollection(LogicFileInfoData owner)
{
_owner = owner;
}