Data commit

Task/Synchronous-concurrency/C-sharp/synchronous-concurrency.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Threading.Tasks;
+using System.Collections.Concurrent;
+using System.IO;
+
+namespace SynchronousConcurrency
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            BlockingCollection<string> toWriterTask = new BlockingCollection<string>();
+            BlockingCollection<int> fromWriterTask = new BlockingCollection<int>();
+            Task writer = Task.Factory.StartNew(() => ConsoleWriter(toWriterTask, fromWriterTask));
+            Task reader = Task.Factory.StartNew(() => FileReader(fromWriterTask, toWriterTask));
+            Task.WaitAll(writer, reader);
+        }
+        static void ConsoleWriter(BlockingCollection<string> input, BlockingCollection<int> output)
+        {
+            int nLines = 0;
+            string line;
+            while ((line = input.Take()) != null)
+            {
+                Console.WriteLine(line);
+                ++nLines;
+            }
+            output.Add(nLines);
+        }
+        static void FileReader(BlockingCollection<int> input, BlockingCollection<string> output)
+        {
+            StreamReader file = new StreamReader("input.txt"); // TODO: check exceptions
+            string line;
+            while ((line = file.ReadLine()) != null)
+            {
+                output.Add(line);
+
+            }
+            output.Add(null); // EOF
+            Console.WriteLine("line count: " + input.Take());
+        }
+    }
+}