protected virtual byte[] ReadCore(long pos, int count)
{
byte[] result = null;
ReadFileItemData item = new ReadFileItemData();
if (LogicFileInfo != null)
{
item.ClientFileName = LogicFileInfo.LogicFileName;
}
if (ContextWrapper.OpenFileResult != null)
{
item.LockID = ContextWrapper.OpenFileResult.LockedID;
}
if (ContextWrapper.PhysicalFileInfo != null)
{
item.PhysicalFileID = ContextWrapper.PhysicalFileInfo.ID;
}
item.Position = pos;
item.ReadCount = count;
ReadFileResultItemData itemResult = FileManager.ReadFile(item, this.ContextWrapper.ServiceProxy);
if (itemResult != null && itemResult.ReadDataLength > 0)
{
result = itemResult.ReadData;
}
return(result);
}
/// <summary>
/// 读取文件
/// </summary>
/// <param name="fileItem"></param>
/// <param name="proxy"></param>
/// <returns></returns>
public static ReadFileResultItemData ReadFile(ReadFileItemData fileItem, IRemoteFileStorage proxy)
{
ReadFileResultItemData result = null;
ManagerHelper.CheckNullReference(fileItem, "fileItem");
if (fileItem.ReadCount > 0)
{
ReadFileParameter param = new ReadFileParameter();
param.InputData.Add(fileItem);
ReadFileResult itemResult = ReadFile(param, proxy);
if (itemResult.RecordCount > 0)
{
result = itemResult.ExecuteResult[0];
}
}
return(result);
}
/// <summary>
/// 读取文件
/// </summary>
/// <param name="fileItem"></param>
/// <returns></returns>
public static ReadFileResultItemData ReadFile(ReadFileItemData fileItem)
{
return(ReadFile(fileItem, null));
}
