public void invalidateAllContents()
{
foreach (KeyValuePair <string, UserFile> entry in filemap)
{
UserFile file = entry.Value;
file.SetFileContent(new byte[0], file.getFileVersionNumberSynchronized());
}
}
//mark for deletion, reset the content, update the user file system size
public bool deleteFileSynchronized(string filename)
{
UserFile file = getFileSynchronized(filename);
if (file == null)
{
throw new FileNotFoundException("File not found :" + filename);
}
bool delete = file.markForDeletionSynchronized();
//reset the content. this will also increment the version number. Don't do it later
long sizeDiff = file.SetFileContentSynchronized(new byte[0], file.getFileVersionNumberSynchronized() + 1);
incrementTotalFileSystemSize(sizeDiff);
return(delete);
}