C# \uc5b8\uc5b4\ub97c \ud65c\uc6a9\ud558\uc5ec \uc2a4\ub808\ub4dc\ub97c \ud1b5\ud574 \ucf54\ub4dc\ub97c \ub3d9\uc2dc\uc5d0 \uc2e4\ud589\ud558\uace0\uc790 \ud558\ub294\ub370, DB Connection\uacfc \uac19\uc740 \uc720\ud55c\ud55c \uc790\uc6d0\uc744 \ubbf8\ub9ac \uc0dd\uc131\ud574 \ub193\uace0 \ud65c\uc6a9\ud558\uace0\uc790 \ud569\ub2c8\ub2e4. \uc774\ub54c \uc0ac\uc6a9\ud560 \ub9ac\uc18c\uc2a4 \ud480\ub85c\uc368 \ub9cc\ub4e0 \ud074\ub798\uc2a4\uc785\ub2c8\ub2e4.<\/P><\/p>\n
\r\nclass ResourcePool<T>\r\n{\r\n private readonly ConcurrentBag<T> _items = new ConcurrentBag<T>();\r\n private ManualResetEvent _event = new ManualResetEvent(true);\r\n\r\n public ResourcePool(List<T> items) {\r\n var iter = items.GetEnumerator();\r\n\r\n while(iter.MoveNext())\r\n {\r\n _items.Add(iter.Current);\r\n }\r\n }\r\n\r\n public void Release(T item)\r\n {\r\n _items.Add(item);\r\n _event.Set();\r\n }\r\n\r\n public T Get()\r\n {\r\n T item;\r\n\r\n do\r\n {\r\n if (_items.IsEmpty)\r\n {\r\n _event.Reset();\r\n _event.WaitOne();\r\n }\r\n } while (!_items.TryTake(out item));\r\n \r\n return item;\r\n }\r\n}\r\n<\/pre>\n\uc704\uc758 ResourcePool\uc740 generic \ud074\ub798\uc2a4\ub85c \uc5b4\ub5a4 \uac1d\uccb4 \ud0c0\uc785\uc774\ub4e0 \ub9ac\uc18c\uc2a4\ub85c\uc368 \ub2f4\uc544\ub450\uace0 \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc544\ub798\uc640 \uac19\uc740 \ud074\ub798\uc2a4\ub85c \ub9d0\uc785\ub2c8\ub2e4.<\/p>\n
\r\nclass Resource\r\n{\r\n public int v {\r\n get;\r\n set;\r\n }\r\n\r\n private int _useCount = 0;\r\n\r\n public Resource(int v)\r\n {\r\n this.v = v;\r\n }\r\n\r\n \r\n public void increaseUsingCount()\r\n {\r\n _useCount++;\r\n }\r\n\r\n public string toString()\r\n {\r\n return \"V: \" + v + \" Count: \" + _useCount;\r\n }\r\n}\r\n<\/pre>\n\uc774 \ub9ac\uc18c\uc2a4 \ud480\uc5d0 \uc2a4\ub808\ub4dc\uc5d0\uc11c \uc0ac\uc6a9\ud560 \ub9ac\uc18c\uc2a4\ub97c \ub2f4\uc544\ub450\ub294 \ucf54\ub4dc\uc758 \uc608\ub294 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n
\r\nList<Resource> items = new List<Resource>() { new Resource(0), new Resource(1), new Resource(2), new Resource(3) };\r\nResourcePool<Resource> objPool = new ResourcePool<Resource>(items);\r\n<\/pre>\n\uc2e4\uc81c \ub9ac\uc18c\uc2a4 \ud480\uc740 \uc2a4\ub808\ub4dc\ub97c \ud1b5\ud574 \ud65c\uc6a9\ub420 \ub54c\uc5d0 \uadf8 \uc758\ubbf8\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uc55e\uc11c \uc791\uc131\ud55c \ucf54\ub4dc\ub4e4\uc744 \uc804\uc81c\ub85c \uc544\ub798\uc758 \ucf54\ub4dc\ucc98\ub7fc \ub9d0\uc785\ub2c8\ub2e4.<\/p>\n
\r\nParallel.For(1, 50, new ParallelOptions { MaxDegreeOfParallelism = 8 },\r\n (int i) => {\r\n Resource r = objPool.Get();\r\n\r\n r.increaseUsingCount();\r\n Console.WriteLine(\"[Thread-Index: \" + i + \"] \" + r.toString());\r\n\r\n \/\/ Some Operation\r\n Thread.Sleep(new Random().Next(600, 3000));\r\n \/\/ .\r\n\r\n objPool.Release(r);\r\n });\r\n\r\n<\/pre>\n\uc704\uc758 \ucf54\ub4dc\ub294 \ucd1d 49\uac1c\uc758 \uc2a4\ub808\ub4dc\ub97c \ub9cc\ub4e4\uace0, MaxDegreeOfParallelism\uc5d0\uc11c \uc9c0\uc815\ud55c \uac12\uc774 8\ub9cc\ud07c, \ucd5c\ub300 8\uac1c\uc758 \uc2a4\ub808\ub4dc\ub9cc\uc744 \ub3d9\uc2dc\uc5d0 \uc2e4\ud589\ud558\ub3c4\ub85d \ud558\uba70, \ub78c\ub2e4 \ud568\uc218\ub97c \ud1b5\ud574 \uc2e4\ud589\ud560 \uc2a4\ub808\ub4dc \ucf54\ub4dc\ub97c \uc9c0\uc815\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
C# \uc5b8\uc5b4\ub97c \ud65c\uc6a9\ud558\uc5ec \uc2a4\ub808\ub4dc\ub97c \ud1b5\ud574 \ucf54\ub4dc\ub97c \ub3d9\uc2dc\uc5d0 \uc2e4\ud589\ud558\uace0\uc790 \ud558\ub294\ub370, DB Connection\uacfc \uac19\uc740 \uc720\ud55c\ud55c \uc790\uc6d0\uc744 \ubbf8\ub9ac \uc0dd\uc131\ud574 \ub193\uace0 \ud65c\uc6a9\ud558\uace0\uc790 \ud569\ub2c8\ub2e4. \uc774\ub54c \uc0ac\uc6a9\ud560 \ub9ac\uc18c\uc2a4 \ud480\ub85c\uc368 \ub9cc\ub4e0 \ud074\ub798\uc2a4\uc785\ub2c8\ub2e4. class ResourcePool<T> { private readonly ConcurrentBag<T> _items = new ConcurrentBag<T>(); private ManualResetEvent _event = new ManualResetEvent(true); public ResourcePool(List<T> items) { var iter = items.GetEnumerator(); while(iter.MoveNext()) { _items.Add(iter.Current); } } public … <\/p>\n