Multiton pattern: Difference between revisions

Revision as of 04:31, 11 December 2013

Revision as of 15:38, 11 December 2013

Line 70:

<source lang=CSharp>

using System.Collections.Generic;

using System.Collections.Concurrent;

namespace MyApplication
{

class FooMultiton {

}{

private static readonly DictionaryConcurrentDictionary<object, FooMultiton> _instances = new DictionaryConcurrentDictionary<object, FooMultiton>();

private FooMultiton() {}

}

public static FooMultiton GetInstance(object key) {

lock (_instances) {

_instances.TryAdd(key, new FooMultiton instance());

return if (!_instances.TryGetValue([key, out instance)) {];

instance = new FooMultiton();

_instances.Add(key, instance);

}

return instance;

}

}

}