public static ConcurrentDictionary <TKey, TValue> Merge <TKey, TValue>
(this ConcurrentDictionary <TKey, TValue> first, IEnumerable <KeyValuePair <TKey, TValue> > second)
{
if (first == null && second == null)
{
return(null);
}
else if (first == null)
{
return(new ConcurrentDictionary <TKey, TValue>(second));//.ToDictionary(x => x.Key, x => x.Value));
}
else if (second == null)
{
return(first);
}
ConcurrentDictionary <TKey, TValue> dictionary = new ConcurrentDictionary <TKey, TValue>();
foreach (var x in first.Concat(second).Where(x => x.Value != null))
{
dictionary[x.Key] = x.Value;//重複していたら上書き
}
return(dictionary);
//return new ConcurrentDictionary<TKey, TValue>(first.Concat(second).Where(x => x.Value != null));
//.ToDictionary(x => x.Key, x => x.Value);
}
internal static IReadOnlyList <IEntityType> GetAll()
{
return(addedTemporalEntities
.Concat(removedTemporalEntities)
.Select(e => e.Value)
.ToList());
}
public async Task SaveAsync(string path, byte[] fileData, string extension)
{
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
// ImageHelper.RemoveEXIFData(ref fileData);
// string destinationFileName = this.GetHash(fileData);
string destinationFileName = Path.GetRandomFileName();
destinationFileName = Path.ChangeExtension(destinationFileName, extension);
var fileHash = GetHash(fileData);
var fileName = $"{path}\\{destinationFileName}";
ProcessedFileHashes.Concat(Directory.GetFiles(path).Where(f => !ProcessedFileHashes.ContainsKey(f)).Select(f => KeyValuePair.Create <string, string>(f, GetHash(GetFileAsBytes(f)))));
if (!ProcessedFileHashes.Values.Contains(fileHash))
{
//if (!await this.ExistsAsync(path, fileData))
//{
// Does the destination already contain the file?
await File.WriteAllBytesAsync(fileName, fileData);
ProcessedFileHashes.TryAdd(fileName, fileHash);
Trace.WriteLine($"Processed file: {fileName}");
//}
//else
//{
// Trace.WriteLine($"File {fileName} already exists. Skipping ..");
//}
}
else
{
Trace.WriteLine($"Duplicate file found {fileName}. Skipping ...");
}
return;
}
public IEnumerator <KeyValuePair <string, Topic> > GetEnumerator()
{
return(_topics.Concat(_groupTopics).GetEnumerator());
}
/// <inheritdoc /> public IEnumerable <KeyValuePair <VariableName, object> > GetState() => _scopedStateDictionary.Concat(_fixedState);
