private void ComputeNewState(FileSystemTreeSnapshot newSnapshot)
{
_fileLoadingOperationProcessor.Execute(new OperationInfo <OperationResultEventArgs> {
OnBeforeExecute = args => OnFilesLoading(args),
OnAfterExecute = args => OnFilesLoaded(args),
Execute = _ => {
Logger.Log("Computing new state of file database from file system tree.");
var sw = Stopwatch.StartNew();
var oldState = _currentFileDatabase;
var newState = _fileDatabaseFactory.CreateIncremental(oldState, newSnapshot);
sw.Stop();
Logger.Log(">>>>>>>> Done computing new state of file database from file system tree in {0:n0} msec.",
sw.ElapsedMilliseconds);
Logger.LogMemoryStats();
// Swap states
lock (_lock) {
_currentFileDatabase = newState;
}
return(new OperationResultEventArgs());
}
});
}
private void ComputeNewState(
FileSystemTreeSnapshot previousSnapshot,
FileSystemTreeSnapshot newSnapshot,
FullPathChanges fullPathChanges)
{
_operationProcessor.Execute(new OperationHandlers {
OnBeforeExecute = info =>
OnFilesLoading(info),
OnError = (info, error) => {
_currentTreeVersion = newSnapshot.Version;
OnFilesLoaded(new FilesLoadedResult {
OperationInfo = info,
Error = error,
TreeVersion = newSnapshot.Version
});
},
Execute = info => {
using (new TimeElapsedLogger("Computing new state of file database")) {
var oldState = _currentFileDatabase;
var newState = _fileDatabaseFactory.CreateIncremental(
oldState,
previousSnapshot,
newSnapshot,
fullPathChanges,
fileDatabase => {
// Store and activate intermediate new state (atomic operation).
_currentFileDatabase = fileDatabase;
OnFilesLoadingProgress(info);
});
// Store and activate final new state (atomic operation).
_currentFileDatabase = newState;
}
_currentTreeVersion = newSnapshot.Version;
OnFilesLoaded(new FilesLoadedResult {
OperationInfo = info,
TreeVersion = newSnapshot.Version
});
}
});
}