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C# PrepareLogRecord.WriteWithLengthPrefixAndSuffixTo方法代码示例

本文整理汇总了C#中PrepareLogRecord.WriteWithLengthPrefixAndSuffixTo方法的典型用法代码示例。如果您正苦于以下问题:C# PrepareLogRecord.WriteWithLengthPrefixAndSuffixTo方法的具体用法?C# PrepareLogRecord.WriteWithLengthPrefixAndSuffixTo怎么用?C# PrepareLogRecord.WriteWithLengthPrefixAndSuffixTo使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在PrepareLogRecord的用法示例。


在下文中一共展示了PrepareLogRecord.WriteWithLengthPrefixAndSuffixTo方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: can_read_a_record_straddling_multiple_files

        public void can_read_a_record_straddling_multiple_files()
        {
            var writerchk = new InMemoryCheckpoint(20020);
            var readerchk = new InMemoryCheckpoint("reader", 9990);
            var config = new TransactionFileDatabaseConfig(PathName, "prefix.tf", 10000, writerchk, new[] {readerchk});
            var recordToWrite = new PrepareLogRecord(logPosition: 0,
                                                     correlationId: _correlationId,
                                                     eventId: _eventId,
                                                     transactionPosition: 0,
                                                     transactionOffset: 0,
                                                     eventStreamId: "WorldEnding",
                                                     expectedVersion: 1234,
                                                     timeStamp: new DateTime(2012, 12, 21),
                                                     flags: PrepareFlags.None,
                                                     eventType: "type",
                                                     data: new byte[] { 1, 2, 3, 4, 5 },
                                                     metadata: new byte[] {7, 17});
            var memstream = new MemoryStream();
            var writer = new BinaryWriter(memstream);
            recordToWrite.WriteWithLengthPrefixAndSuffixTo(writer);
            var buf = memstream.GetBuffer();
            using (var fs = new FileStream(config.FileNamingStrategy.GetFilenameFor(0), FileMode.CreateNew, FileAccess.Write))
            {
                fs.Seek(9990, SeekOrigin.Begin);
                fs.Write(buf, 0, 10);
                fs.Close();
            }
            using (var fs = new FileStream(config.FileNamingStrategy.GetFilenameFor(1), FileMode.CreateNew, FileAccess.Write))
            {
                fs.Seek(0, SeekOrigin.Begin);
                fs.Write(buf, 10, recordToWrite.GetSizeWithLengthPrefixAndSuffix() - 10);
                fs.Close();
            }

            var reader = new MultifileTransactionFileChaser(config, readerchk);
            reader.Open();
            LogRecord record;
            var readRecord = reader.TryReadNext(out record);
            reader.Close();

            Assert.IsTrue(readRecord);
            Assert.That(recordToWrite, Is.EqualTo(record));
            Assert.AreEqual(9990 + recordToWrite.GetSizeWithLengthPrefixAndSuffix(), readerchk.Read());
        }
开发者ID:soto,项目名称:EventStore,代码行数:44,代码来源:when_chasing_a_multifile_transaction_log.cs

示例2: try_read_returns_record_when_writerchecksum_ahead

        public void try_read_returns_record_when_writerchecksum_ahead()
        {
            var recordToWrite = new PrepareLogRecord(logPosition: 0,
                                                     correlationId: _correlationId,
                                                     eventId: _eventId,
                                                     transactionPosition: 0,
                                                     transactionOffset: 0,
                                                     eventStreamId: "WorldEnding",
                                                     expectedVersion: 1234,
                                                     timeStamp: new DateTime(2012, 12, 21),
                                                     flags: PrepareFlags.None,
                                                     eventType: "type",
                                                     data: new byte[] { 1, 2, 3, 4, 5 },
                                                     metadata: new byte[] { 7, 17 });

            using (var fs = new FileStream(GetFilePathFor("prefix.tf0"), FileMode.CreateNew, FileAccess.Write))
            {
                fs.SetLength(ChunkHeader.Size + ChunkFooter.Size + 10000);
                var chunkHeader = new ChunkHeader(TFChunk.CurrentChunkVersion, 10000, 0, 0, false).AsByteArray();
                var writer = new BinaryWriter(fs);
                writer.Write(chunkHeader);
                recordToWrite.WriteWithLengthPrefixAndSuffixTo(writer);
                fs.Close();
            }
            
            var writerchk = new InMemoryCheckpoint(128);
            var chaserchk = new InMemoryCheckpoint(Checkpoint.Chaser, 0);
            var db = new TFChunkDb(new TFChunkDbConfig(PathName,
                                                       new PrefixFileNamingStrategy(PathName, "prefix.tf"),
                                                       10000,
                                                       0,
                                                       writerchk,
                                                       chaserchk,
                                                       new[] {chaserchk}));
            db.OpenVerifyAndClean();

            var chaser = new TFChunkChaser(db, writerchk, chaserchk);
            chaser.Open();

            LogRecord record;
            var recordRead = chaser.TryReadNext(out record);
            chaser.Close();

            Assert.AreEqual(record.GetSizeWithLengthPrefixAndSuffix(), chaserchk.Read());
            Assert.IsTrue(recordRead);
            Assert.AreEqual(recordToWrite, record);

            db.Close();
        }
开发者ID:base31,项目名称:geteventstore_EventStore,代码行数:49,代码来源:when_chasing_a_chunked_transaction_log.cs

示例3: try_read_returns_record_when_writerchecksum_equal

        public void try_read_returns_record_when_writerchecksum_equal()
        {
            var writerchk = new InMemoryCheckpoint(0);
            var readerchk = new InMemoryCheckpoint("reader", 0);
            var config = new TransactionFileDatabaseConfig(PathName, "prefix.tf", 10000, writerchk,
                                                     new List<ICheckpoint> {readerchk});
            var recordToWrite = new PrepareLogRecord(logPosition: 0,
                                                     correlationId: _correlationId,
                                                     eventId: _eventId,
                                                     transactionPosition: 0,
                                                     transactionOffset: 0,
                                                     eventStreamId: "WorldEnding",
                                                     expectedVersion: 1234,
                                                     timeStamp: new DateTime(2012, 12, 21),
                                                     flags: PrepareFlags.None,
                                                     eventType: "type",
                                                     data: new byte[] { 1, 2, 3, 4, 5 },
                                                     metadata: new byte[] {7, 17});
            using (var fs = new FileStream(Path.Combine(PathName, "prefix.tf0"), FileMode.CreateNew, FileAccess.Write))
            {
                var writer = new BinaryWriter(fs);
                recordToWrite.WriteWithLengthPrefixAndSuffixTo(writer);
                fs.Close();
            }
            writerchk.Write(recordToWrite.GetSizeWithLengthPrefixAndSuffix());

            var reader = new MultifileTransactionFileChaser(config, readerchk);
            reader.Open();
            LogRecord record;
            var readRecord = reader.TryReadNext(out record);
            reader.Close();

            Assert.IsTrue(readRecord);
            Assert.AreEqual(record.GetSizeWithLengthPrefixAndSuffix(), readerchk.Read());
            Assert.AreEqual(recordToWrite, record);
        }
开发者ID:soto,项目名称:EventStore,代码行数:36,代码来源:when_chasing_a_multifile_transaction_log.cs

示例4: try_read_returns_properly_when_writer_is_written_to_while_chasing

        public void try_read_returns_properly_when_writer_is_written_to_while_chasing()
        {
            var writerchk = new InMemoryCheckpoint(0);
            var readerchk = new InMemoryCheckpoint("reader", 0);
            var config = new TransactionFileDatabaseConfig(PathName, "prefix.tf", 10000, writerchk, new[] {readerchk});

            var fileName = Path.Combine(PathName, "prefix.tf0");
            File.Create(fileName).Close();

            var reader = new MultifileTransactionFileChaser(config, readerchk);
            reader.Open();

            LogRecord record;
            Assert.IsFalse(reader.TryReadNext(out record));

            var recordToWrite = new PrepareLogRecord(logPosition: 0,
                                                     correlationId: _correlationId,
                                                     eventId: _eventId,
                                                     transactionPosition: 0,
                                                     transactionOffset: 0,
                                                     eventStreamId: "WorldEnding",
                                                     expectedVersion: 1234,
                                                     timeStamp: new DateTime(2012, 12, 21),
                                                     flags: PrepareFlags.None,
                                                     eventType: "type",
                                                     data: new byte[] { 1, 2, 3, 4, 5 },
                                                     metadata: new byte[] {7, 17});
            var memstream = new MemoryStream();
            var writer = new BinaryWriter(memstream);
            recordToWrite.WriteWithLengthPrefixAndSuffixTo(writer);

            using (var fs = new FileStream(fileName, FileMode.Append, FileAccess.Write, FileShare.ReadWrite))
            {
                fs.Write(memstream.ToArray(), 0, (int)memstream.Length);
                fs.Flush(flushToDisk: true);
            }
            writerchk.Write(memstream.Length);

            Assert.IsTrue(reader.TryReadNext(out record));
            Assert.AreEqual(record, recordToWrite);

            var recordToWrite2 = new PrepareLogRecord(logPosition: 0,
                                                      correlationId: _correlationId,
                                                      eventId: _eventId,
                                                      transactionPosition: 0,
                                                      transactionOffset: 0,
                                                      eventStreamId: "WorldEnding",
                                                      expectedVersion: 4321,
                                                      timeStamp: new DateTime(2012, 12, 21),
                                                      flags: PrepareFlags.None,
                                                      eventType: "type",
                                                      data: new byte[] { 3, 2, 1 },
                                                      metadata: new byte[] {9});
            memstream.SetLength(0);
            recordToWrite2.WriteWithLengthPrefixAndSuffixTo(writer);

            using (var fs = new FileStream(fileName, FileMode.Append, FileAccess.Write, FileShare.ReadWrite))
            {
                fs.Write(memstream.ToArray(), 0, (int) memstream.Length);
                fs.Flush(flushToDisk: true);
            }
            writerchk.Write(writerchk.Read() + memstream.Length);

            Assert.IsTrue(reader.TryReadNext(out record));
            Assert.AreEqual(record, recordToWrite2);

            reader.Close();
        }
开发者ID:soto,项目名称:EventStore,代码行数:68,代码来源:when_chasing_a_multifile_transaction_log.cs


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