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C# KeyValueDB.StartTransaction方法代码示例

本文整理汇总了C#中KeyValueDB.StartTransaction方法的典型用法代码示例。如果您正苦于以下问题：C# KeyValueDB.StartTransaction方法的具体用法？C# KeyValueDB.StartTransaction怎么用？C# KeyValueDB.StartTransaction使用的例子？那么恭喜您, 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类KeyValueDB的用法示例。


在下文中一共展示了KeyValueDB.StartTransaction方法的15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: AddingContinueToNewFileAfterReopenWithCorruption

 public void AddingContinueToNewFileAfterReopenWithCorruption()
 {
     using (var fileCollection = new InMemoryFileCollection())
     {
         using (IKeyValueDB db = new KeyValueDB(fileCollection))
         {
             using (var tr = db.StartTransaction())
             {
                 tr.CreateOrUpdateKeyValue(_key1, _key1);
                 tr.Commit();
             }
         }
         fileCollection.SimulateCorruptionBySetSize(20 + 16);
         using (IKeyValueDB db = new KeyValueDB(fileCollection))
         {
             using (var tr = db.StartTransaction())
             {
                 Assert.Equal(0, tr.GetKeyValueCount());
                 tr.CreateOrUpdateKeyValue(Key2, Key2);
                 tr.Commit();
             }
             Console.WriteLine(db.CalcStats());
         }
         Assert.True(2 <= fileCollection.GetCount());
     }
 }
开发者ID:tomasdeml，项目名称:BTDB，代码行数:26，代码来源:KeyValueDBTest.cs

示例2: EmptyTransaction

 public void EmptyTransaction()
 {
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         using (var tr = db.StartTransaction())
         {
             tr.Commit();
         }
     }
 }
开发者ID:Bobris，项目名称:BTDB，代码行数:11，代码来源:KeyValueDBTest.cs

示例3: FirstTransaction

 public void FirstTransaction()
 {
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         using (var tr = db.StartTransaction())
         {
             Assert.True(tr.CreateOrUpdateKeyValue(ByteBuffer.NewAsync(_key1), ByteBuffer.NewAsync(new byte[0])));
             tr.Commit();
         }
     }
 }
开发者ID:Bobris，项目名称:BTDB，代码行数:12，代码来源:KeyValueDBTest.cs

示例4: CanGetSizeOfPair

 public void CanGetSizeOfPair()
 {
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         using (var tr = db.StartTransaction())
         {
             tr.CreateOrUpdateKeyValue(ByteBuffer.NewAsync(_key1), ByteBuffer.NewAsync(new byte[1]));
             var s = tr.GetStorageSizeOfCurrentKey();
             Assert.Equal((uint)_key1.Length, s.Key);
             Assert.Equal(1u, s.Value);
         }
     }
 }
开发者ID:Bobris，项目名称:BTDB，代码行数:14，代码来源:KeyValueDBTest.cs

示例5: AddingContinueToSameFileAfterReopen

 public void AddingContinueToSameFileAfterReopen()
 {
     using (var fileCollection = new InMemoryFileCollection())
     {
         using (IKeyValueDB db = new KeyValueDB(fileCollection))
         {
             using (var tr = db.StartTransaction())
             {
                 tr.CreateOrUpdateKeyValue(_key1, _key1);
                 tr.Commit();
             }
         }
         using (IKeyValueDB db = new KeyValueDB(fileCollection))
         {
             using (var tr = db.StartTransaction())
             {
                 tr.CreateOrUpdateKeyValue(Key2, Key2);
                 tr.Commit();
             }
             Console.WriteLine(db.CalcStats());
         }
         Assert.Equal(2u, fileCollection.GetCount()); // Log + Index
     }
 }
开发者ID:tomasdeml，项目名称:BTDB，代码行数:24，代码来源:KeyValueDBTest.cs

示例6: CreateOrUpdateKeyValueWorks

 public void CreateOrUpdateKeyValueWorks(int length)
 {
     var valbuf = new byte[length];
     new Random(0).NextBytes(valbuf);
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         using (var tr1 = db.StartTransaction())
         {
             Assert.True(tr1.CreateOrUpdateKeyValueUnsafe(_key1, valbuf));
             Assert.False(tr1.CreateOrUpdateKeyValueUnsafe(_key1, valbuf));
             Assert.True(tr1.CreateOrUpdateKeyValueUnsafe(Key2, valbuf));
             tr1.Commit();
         }
         using (var tr2 = db.StartTransaction())
         {
             Assert.True(tr2.FindExactKey(_key1));
             var valbuf2 = tr2.GetValueAsByteArray();
             for (int i = 0; i < length; i++)
             {
                 if (valbuf[i] != valbuf2[i])
                     Assert.Equal(valbuf[i], valbuf2[i]);
             }
             Assert.True(tr2.FindExactKey(Key2));
             valbuf2 = tr2.GetValueAsByteArray();
             for (int i = 0; i < length; i++)
             {
                 if (valbuf[i] != valbuf2[i])
                     Assert.Equal(valbuf[i], valbuf2[i]);
             }
         }
     }
 }
开发者ID:Bobris，项目名称:BTDB，代码行数:33，代码来源:KeyValueDBTest.cs

示例7: CommitWorks

 public void CommitWorks()
 {
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         using (var tr1 = db.StartTransaction())
         {
             tr1.CreateKey(_key1);
             using (var tr2 = db.StartTransaction())
             {
                 Assert.Equal(0, tr2.GetTransactionNumber());
                 Assert.False(tr2.FindExactKey(_key1));
             }
             tr1.Commit();
         }
         using (var tr3 = db.StartTransaction())
         {
             Assert.Equal(1, tr3.GetTransactionNumber());
             Assert.True(tr3.FindExactKey(_key1));
         }
     }
 }
开发者ID:Bobris，项目名称:BTDB，代码行数:22，代码来源:KeyValueDBTest.cs

示例8: RepairsOnReopen

 public void RepairsOnReopen()
 {
     using (var fileCollection = new InMemoryFileCollection())
     {
         using (IKeyValueDB db = new KeyValueDB(fileCollection))
         {
             using (var tr = db.StartTransaction())
             {
                 tr.CreateKey(_key1);
                 tr.Commit();
             }
             using (var tr = db.StartTransaction())
             {
                 tr.CreateKey(Key2);
                 tr.Commit();
             }
             using (var tr = db.StartTransaction())
             {
                 tr.CreateKey(_key3);
                 // rollback
             }
             using (IKeyValueDB db2 = new KeyValueDB(fileCollection))
             {
                 using (var tr = db2.StartTransaction())
                 {
                     Assert.True(tr.FindExactKey(_key1));
                     Assert.True(tr.FindExactKey(Key2));
                     Assert.False(tr.FindExactKey(_key3));
                 }
             }
         }
         using (IKeyValueDB db = new KeyValueDB(fileCollection))
         {
             using (var tr = db.StartTransaction())
             {
                 Assert.True(tr.FindExactKey(_key1));
                 Assert.True(tr.FindExactKey(Key2));
                 Assert.False(tr.FindExactKey(_key3));
             }
         }
     }
 }
开发者ID:Bobris，项目名称:BTDB，代码行数:42，代码来源:KeyValueDBTest.cs

示例9: CompressibleValueLoad

 public void CompressibleValueLoad()
 {
     using (var fileCollection = new InMemoryFileCollection())
     {
         using (IKeyValueDB db = new KeyValueDB(fileCollection))
         {
             using (var tr = db.StartTransaction())
             {
                 tr.CreateOrUpdateKeyValue(_key1, new byte[1000]);
                 Assert.Equal(new byte[1000], tr.GetValueAsByteArray());
                 tr.Commit();
             }
         }
     }
 }
开发者ID:Bobris，项目名称:BTDB，代码行数:15，代码来源:KeyValueDBTest.cs

示例10: AdvancedEraseRangeWorks

 void AdvancedEraseRangeWorks(int createKeys, int removeStart, int removeCount)
 {
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         var key = new byte[2];
         using (var tr = db.StartTransaction())
         {
             for (int i = 0; i < createKeys; i++)
             {
                 key[0] = (byte)(i / 256);
                 key[1] = (byte)(i % 256);
                 tr.CreateKey(key);
             }
             tr.Commit();
         }
         using (var tr = db.StartTransaction())
         {
             tr.EraseRange(removeStart, removeStart + removeCount - 1);
             Assert.Equal(createKeys - removeCount, tr.GetKeyValueCount());
             tr.Commit();
         }
         using (var tr = db.StartTransaction())
         {
             Assert.Equal(createKeys - removeCount, tr.GetKeyValueCount());
             for (int i = 0; i < createKeys; i++)
             {
                 key[0] = (byte)(i / 256);
                 key[1] = (byte)(i % 256);
                 if (i >= removeStart && i < removeStart + removeCount)
                 {
                     Assert.False(tr.FindExactKey(key), $"{i} should be removed");
                 }
                 else
                 {
                     Assert.True(tr.FindExactKey(key), $"{i} should be found");
                 }
             }
         }
     }
 }
开发者ID:Bobris，项目名称:BTDB，代码行数:41，代码来源:KeyValueDBTest.cs

示例11: PrefixWithFindPrevKeyWorks

 public void PrefixWithFindPrevKeyWorks()
 {
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         using (var tr = db.StartTransaction())
         {
             tr.CreateKey(_key1);
             tr.CreateKey(Key2);
             tr.SetKeyPrefix(ByteBuffer.NewAsync(Key2, 0, 1));
             Assert.True(tr.FindFirstKey());
             Assert.False(tr.FindPreviousKey());
             tr.Commit();
         }
     }
 }
开发者ID:Bobris，项目名称:BTDB，代码行数:16，代码来源:KeyValueDBTest.cs

示例12: TwoTransactions

 public void TwoTransactions()
 {
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         using (var tr1 = db.StartTransaction())
         {
             tr1.CreateKey(_key1);
             tr1.Commit();
         }
         using (var tr2 = db.StartTransaction())
         {
             tr2.CreateKey(Key2);
             Assert.True(tr2.FindExactKey(_key1));
             Assert.True(tr2.FindExactKey(Key2));
             Assert.False(tr2.FindExactKey(_key3));
             tr2.Commit();
         }
         using (var tr3 = db.StartTransaction())
         {
             Assert.True(tr3.FindExactKey(_key1));
             Assert.True(tr3.FindExactKey(Key2));
             Assert.False(tr3.FindExactKey(_key3));
         }
     }
 }
开发者ID:Bobris，项目名称:BTDB，代码行数:26，代码来源:KeyValueDBTest.cs

示例13: BiggerKey

 public void BiggerKey(int prefixLength, int offsetKey, int keyLength)
 {
     var prefix = new byte[prefixLength];
     var keyb = new byte[offsetKey + keyLength];
     for (int i = offsetKey; i < offsetKey + keyLength; i++) keyb[i] = (byte)i;
     var key = ByteBuffer.NewAsync(keyb, offsetKey, keyLength);
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         using (var tr1 = db.StartTransaction())
         {
             tr1.SetKeyPrefix(prefix);
             tr1.CreateOrUpdateKeyValue(key, ByteBuffer.NewEmpty());
             tr1.Commit();
         }
         using (var tr2 = db.StartTransaction())
         {
             tr2.SetKeyPrefix(prefix);
             Assert.True(tr2.FindExactKey(key.ToByteArray()));
             Assert.Equal(key.ToByteArray(), tr2.GetKeyAsByteArray());
         }
     }
 }
开发者ID:Bobris，项目名称:BTDB，代码行数:23，代码来源:KeyValueDBTest.cs

示例14: ReportTransactionLeak

 public void ReportTransactionLeak()
 {
     using (var fileCollection = new InMemoryFileCollection())
     {
         using (var db = new KeyValueDB(fileCollection, new NoCompressionStrategy(), 1024))
         {
             var logger = new LoggerMock();
             db.Logger = logger;
             using (var tr = db.StartTransaction())
             {
                 tr.CreateOrUpdateKeyValue(_key1, new byte[1]);
                 tr.Commit();
             }
             StartLeakingTransaction(db);
             GC.Collect(GC.MaxGeneration);
             GC.WaitForPendingFinalizers();
             Assert.NotNull(logger.Leaked);
             Assert.Equal("Leak", logger.Leaked.DescriptionForLeaks);
         }
     }
 }
开发者ID:Bobris，项目名称:BTDB，代码行数:21，代码来源:KeyValueDBTest.cs

示例15: OnlyOneWrittingTransactionPossible2

 public void OnlyOneWrittingTransactionPossible2()
 {
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         var tr1 = db.StartTransaction();
         tr1.CreateKey(_key1);
         using (var tr2 = db.StartTransaction())
         {
             tr1.Commit();
             tr1.Dispose();
             Assert.False(tr2.FindExactKey(_key1));
             Assert.Throws<BTDBTransactionRetryException>(() => tr2.CreateKey(Key2));
         }
     }
 }
开发者ID:Bobris，项目名称:BTDB，代码行数:16，代码来源:KeyValueDBTest.cs


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