Vocabulary with a castle or a Slovocal dictionary?

Question

What is preferable in a multi-threaded application:   Dictionary with blocking object or   Concurrency Dictionary

What is effective and why should I use this or that?

edit 1: Save Guid as key and bool as value.

edit 2: more than two worker threads and one user interface thread.

Answer 1

Read the ConcurrentDictionary carefully . It has some non-obvious features.

Here are some of them:

• AddOrUpdate, , factory , , factory - , .
• , GetEnumerator, ( ).
• Keys Values .
• .

, , ConcurrentDictionary , .

, !

Answer 2

, .

Framework 4.0:

• ConcurrentDictionary. .
• ConcurrentBag. , , , .
• ConcurrentStack. LIFO (Last-In First-Out), - .
• ConcurrentQueue. FIFO ( ).

4.0 , , levanovd. .

:

• + Monitor. .
• + ReaderWriterLock. , , . , , - .
• + ReaderWriterLockSlim. .
• Hashtable. , . Hashtable.Synchronized(), Microsoft.

Framework v3.5, Dictionary + ReaderWriterLock ReaderWriterLockSlim.

Answer 3

, . , . , .

Answer 4

I think that both will ensure thread safety, but using a dictionary with a lock object will limit the number of threads that can access the Dictionary simultaneously with 1. When using a parallel dictionary, you can specify a parallel level (that is, the number of threads that can use the dictionary at the same time ) If performance matters, I believe your parallel dictionary should be your choice.