Example #1
0
        public void GenericAppendOnlyFileSmokeTest()
        {
            var stream     = new MemoryStream();
            var data       = new StreamAccessor(stream);
            var file       = new LowLevelAppendOnlyFile(data);
            var serializer = new ProtoBufSerializationEngine();
            var sut        = new GenericAppendOnlyFile <TestClass>(file, serializer);

            sut.Append(new TestClass {
                Name = "Marcel", Address = "Kennesaw, GA"
            });
            sut.Append(new TestClass {
                Name = "Gigi Meseriasu", Address = "Washington, DC"
            });

            var r1 = sut.Read(0);

            Assert.AreEqual("Marcel", r1.Name);
            Assert.AreEqual("Kennesaw, GA", r1.Address);

            var rs = sut.ReadFrom(0).ToList();
            var r2 = rs[1];

            Assert.AreEqual("Gigi Meseriasu", r2.Name);
            Assert.AreEqual("Washington, DC", r2.Address);

            Assert.AreEqual(2, sut.Index.Length);
            Assert.AreEqual(0, sut.Index[0]);
        }
Example #2
0
        private static void Main()
        {
            var serializer = new ProtoBufSerializationEngine();
            // the protobuf serializer might not be thread-safe
            var safeSerializer = new ConcurrentSerializationEngine(serializer);

            var list = new List <TestClass>();

            for (var i = 0; i < COUNT; i++)
            {
                var c = new TestClass {
                    Name = "N" + i, Address = "A" + i
                };
                list.Add(c);
            }

            ShowTimeWithoutOpsPerSec("Overall - 1", () =>
            {
                Run($"Sequentially writing and reading {COUNT} records", () => Generate1(@"d:\temp\1.tmp", safeSerializer, list, SeqForLoop));
                Verify1(@"d:\temp\1.tmp", safeSerializer, list);

                Run($"Multi-threaded writing and reading {COUNT} records", () => Generate1(@"d:\temp\2.tmp", safeSerializer, list, ParForLoop));
                Verify1(@"d:\temp\2.tmp", safeSerializer, list);
            });

            ShowTimeWithoutOpsPerSec("Overall - 2", () =>
            {
                Run($"Sequentially writing and reading {COUNT} records", () => Generate2(@"d:\temp\1.tmp", safeSerializer, list, SeqForLoop));
                Verify2(@"d:\temp\1.tmp", safeSerializer, list);

                Run($"Multi-threaded writing and reading {COUNT} records", () => Generate2(@"d:\temp\2.tmp", safeSerializer, list, ParForLoop));
                Verify2(@"d:\temp\2.tmp", safeSerializer, list);
            });
        }
Example #3
0
        private static void Main(string[] args)
        {
            var serializer = new ProtoBufSerializationEngine();

            var list = new List <TestClass>();

            for (var i = 0; i < COUNT; i++)
            {
                var c = new TestClass {
                    Name = GenerateRandomString(20), Address = GenerateRandomString(40)
                };
                list.Add(c);
            }

            var tempFile = Path.GetTempFileName();

            Console.WriteLine("Using {0} - sequentially writing and reading {1} records", tempFile, COUNT);
            Generate(tempFile, serializer, list, SeqForLoop);

            // verify the data
            using (var stream = new FileStream(tempFile, FileMode.Open, FileAccess.ReadWrite, FileShare.None))
            {
                var data  = new StreamAccessor(stream);
                var lFile = new LowLevelAppendOnlyFile(data);
                var file  = new GenericAppendOnlyFile <TestClass>(lFile, serializer);

                var records = file.ReadFrom(0).ToList();

                // verify that the index is built correctly
                for (var i = 0; i < COUNT; i++)
                {
                    var r = records[i];
                    Debug.Assert(r.Name == list[i].Name);
                    Debug.Assert(r.Address == list[i].Address);
                }
            }

            // multi-threaded test
            tempFile = Path.GetTempFileName();
            Console.WriteLine("Using {0} - multi-threaded writing and reading {1} records", tempFile, COUNT);
            Generate(tempFile, serializer, list, ParForLoop);
        }
Example #4
0
        private static void Main(string[] args)
        {
            var serializer = new ProtoBufSerializationEngine();

              var list = new List<TestClass>();
              for (var i = 0; i < COUNT; i++)
              {
            var c = new TestClass {Name = GenerateRandomString(20), Address = GenerateRandomString(40)};
            list.Add(c);
              }

              var tempFile = Path.GetTempFileName();
              Console.WriteLine("Using {0} - sequentially writing and reading {1} records", tempFile, COUNT);
              Generate(tempFile, serializer, list, SeqForLoop);

              // verify the data
              using (var stream = new FileStream(tempFile, FileMode.Open, FileAccess.ReadWrite, FileShare.None))
              {
            var data = new StreamAccessor(stream);
            var lFile = new LowLevelAppendOnlyFile(data);
            var file = new GenericAppendOnlyFile<TestClass>(lFile, serializer);

            var records = file.ReadFrom(0).ToList();

            // verify that the index is built correctly
            for (var i = 0; i < COUNT; i++)
            {
              var r = records[i];
              Debug.Assert(r.Name == list[i].Name);
              Debug.Assert(r.Address == list[i].Address);
            }
              }

              // multi-threaded test
              tempFile = Path.GetTempFileName();
              Console.WriteLine("Using {0} - multi-threaded writing and reading {1} records", tempFile, COUNT);
              Generate(tempFile, serializer, list, ParForLoop);
        }
Example #5
0
        public void GenericAppendOnlyFileSmokeTest()
        {
            var stream = new MemoryStream();
              var data = new StreamAccessor(stream);
              var file = new LowLevelAppendOnlyFile(data);
              var serializer = new ProtoBufSerializationEngine();
              var sut = new GenericAppendOnlyFile<TestClass>(file, serializer);

              sut.Append(new TestClass {Name = "Marcel", Address = "Kennesaw, GA"});
              sut.Append(new TestClass {Name = "Gigi Meseriasu", Address = "Washington, DC"});

              var r1 = sut.Read(0);
              Assert.AreEqual("Marcel", r1.Name);
              Assert.AreEqual("Kennesaw, GA", r1.Address);

              var rs = sut.ReadFrom(0).ToList();
              var r2 = rs[1];
              Assert.AreEqual("Gigi Meseriasu", r2.Name);
              Assert.AreEqual("Washington, DC", r2.Address);

              Assert.AreEqual(2, sut.Index.Length);
              Assert.AreEqual(0, sut.Index[0]);
        }