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C# KeyValueDB类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C#中KeyValueDB的典型用法代码示例。如果您正苦于以下问题:C# KeyValueDB类的具体用法?C# KeyValueDB怎么用?C# KeyValueDB使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



KeyValueDB类属于命名空间,在下文中一共展示了KeyValueDB类的20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,您的评价将有助于我们的系统推荐出更棒的C#代码示例。

示例1: CreateDb

 static ObjectDB CreateDb(IFileCollection fc)
 {
     var lowDb = new KeyValueDB(fc);
     var db = new ObjectDB();
     db.Open(lowDb, true);
     return db;
 }
开发者ID:Bobris,项目名称:BTDB,代码行数:7,代码来源:RelationSpeedTest.cs


示例2: 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3: EmptyWritingTransaction

 public void EmptyWritingTransaction()
 {
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         using (var tr = db.StartWritingTransaction().Result)
         {
             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4: KeyValueDBTransaction

 public KeyValueDBTransaction(KeyValueDB keyValueDB, IBTreeRootNode btreeRoot, bool writting, bool readOnly)
 {
     _preapprovedWritting = writting;
     _readOnly = readOnly;
     _keyValueDB = keyValueDB;
     _btreeRoot = btreeRoot;
     _prefix = BitArrayManipulation.EmptyByteArray;
     _prefixKeyStart = 0;
     _prefixKeyCount = -1;
     _keyIndex = -1;
     _keyValueDB.StartedUsingBTreeRoot(_btreeRoot);
 }
开发者ID:tomasdeml,项目名称:BTDB,代码行数:12,代码来源:KeyValueDBTransaction.cs


示例5: 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6: 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7: Main

 static void Main(string[] args)
 {
     if (args.Length < 1)
     {
         Console.WriteLine("Need to have just one parameter with directory of ObjectDB");
         return;
     }
     using (var dfc = new OnDiskFileCollection(args[0]))
     using (var kdb = new KeyValueDB(dfc))
     using (var odb = new ObjectDB())
     {
         odb.Open(kdb, false);
         using (var tr = odb.StartTransaction())
         {
             var visitor = new ToStringVisitor();
             var iterator = new ODBIterator(tr, visitor);
             iterator.Iterate();
             var text = visitor.ToString();
             Console.WriteLine(text);
         }
     }
 }
开发者ID:tomasdeml,项目名称:BTDB,代码行数:22,代码来源:Program.cs


示例8: 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9: ALotOf5KbTransactionsWorks

 public void ALotOf5KbTransactionsWorks()
 {
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         for (int i = 0; i < 5000; i++)
         {
             var key = new byte[5000];
             using (var tr = db.StartTransaction())
             {
                 key[0] = (byte)(i / 256);
                 key[1] = (byte)(i % 256);
                 Assert.True(tr.CreateKey(key));
                 tr.Commit();
             }
         }
     }
 }
开发者ID:Bobris,项目名称:BTDB,代码行数:18,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: SimpleEraseCurrentWorks

 public void SimpleEraseCurrentWorks()
 {
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         using (var tr = db.StartTransaction())
         {
             tr.CreateKey(_key1);
             tr.CreateKey(Key2);
             tr.CreateKey(_key3);
             tr.EraseCurrent();
             Assert.True(tr.FindFirstKey());
             Assert.Equal(_key1, tr.GetKeyAsByteArray());
             Assert.True(tr.FindNextKey());
             Assert.Equal(Key2, tr.GetKeyAsByteArray());
             Assert.False(tr.FindNextKey());
             Assert.Equal(2, tr.GetKeyValueCount());
         }
     }
 }
开发者ID:Bobris,项目名称:BTDB,代码行数:20,代码来源:KeyValueDBTest.cs


示例12: 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13: SimplePrefixWorks

 public void SimplePrefixWorks()
 {
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         using (var tr = db.StartTransaction())
         {
             tr.CreateKey(_key1);
             tr.CreateKey(Key2);
             tr.CreateKey(_key3);
             Assert.Equal(3, tr.GetKeyValueCount());
             tr.SetKeyPrefix(ByteBuffer.NewAsync(_key1, 0, 3));
             Assert.Equal(2, tr.GetKeyValueCount());
             tr.FindFirstKey();
             Assert.Equal(new byte[0], tr.GetKeyAsByteArray());
             tr.FindLastKey();
             Assert.Equal(_key3.Skip(3).ToArray(), tr.GetKeyAsByteArray());
             tr.Commit();
         }
     }
 }
开发者ID:Bobris,项目名称:BTDB,代码行数:21,代码来源:KeyValueDBTest.cs


示例14: MultipleTransactions2

 public void MultipleTransactions2(int transactionCount)
 {
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         var key = new byte[2 + transactionCount * 10];
         for (int i = 0; i < transactionCount; i++)
         {
             key[0] = (byte)((transactionCount - i) / 256);
             key[1] = (byte)((transactionCount - i) % 256);
             using (var tr1 = db.StartTransaction())
             {
                 tr1.CreateOrUpdateKeyValue(ByteBuffer.NewSync(key, 0, 2 + i * 10), ByteBuffer.NewEmpty());
                 if (i % 100 == 0 || i == transactionCount - 1)
                 {
                     for (int j = 0; j < i; j++)
                     {
                         key[0] = (byte)((transactionCount - j) / 256);
                         key[1] = (byte)((transactionCount - j) % 256);
                         Assert.Equal(FindResult.Exact, tr1.Find(ByteBuffer.NewSync(key, 0, 2 + j * 10)));
                     }
                 }
                 tr1.Commit();
             }
         }
     }
 }
开发者ID:Bobris,项目名称:BTDB,代码行数:27,代码来源:KeyValueDBTest.cs


示例15: 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16: ReadOnlyTransactionThrowsOnWriteAccess

        public void ReadOnlyTransactionThrowsOnWriteAccess()
        {
            using (var fileCollection = new InMemoryFileCollection())
            using (IKeyValueDB db = new KeyValueDB(fileCollection))
            {
                using (var tr = db.StartReadOnlyTransaction())
                {
                    Assert.Throws<BTDBTransactionRetryException>(() => tr.CreateKey(new byte[1]));
                }
            }

        }
开发者ID:Bobris,项目名称:BTDB,代码行数:12,代码来源:KeyValueDBTest.cs


示例17: 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18: AdvancedFindPreviousAndNextKeyWorks

 public void AdvancedFindPreviousAndNextKeyWorks()
 {
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         var key = new byte[2];
         const int keysCreated = 10000;
         using (var tr = db.StartTransaction())
         {
             for (int i = 0; i < keysCreated; i++)
             {
                 key[0] = (byte)(i / 256);
                 key[1] = (byte)(i % 256);
                 tr.CreateKey(key);
             }
             tr.Commit();
         }
         using (var tr = db.StartTransaction())
         {
             Assert.Equal(-1, tr.GetKeyIndex());
             tr.FindExactKey(key);
             Assert.Equal(keysCreated - 1, tr.GetKeyIndex());
             for (int i = 1; i < keysCreated; i++)
             {
                 Assert.True(tr.FindPreviousKey());
                 Assert.Equal(keysCreated - 1 - i, tr.GetKeyIndex());
             }
             Assert.False(tr.FindPreviousKey());
             Assert.Equal(-1, tr.GetKeyIndex());
             for (int i = 0; i < keysCreated; i++)
             {
                 Assert.True(tr.FindNextKey());
                 Assert.Equal(i, tr.GetKeyIndex());
             }
             Assert.False(tr.FindNextKey());
             Assert.Equal(-1, tr.GetKeyIndex());
         }
     }
 }
开发者ID:Bobris,项目名称:BTDB,代码行数:39,代码来源:KeyValueDBTest.cs


示例19: SimpleFindNextKeyWorks

 public void SimpleFindNextKeyWorks()
 {
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         using (var tr1 = db.StartTransaction())
         {
             tr1.CreateKey(_key1);
             tr1.CreateKey(Key2);
             tr1.CreateKey(_key3);
             tr1.Commit();
         }
         using (var tr2 = db.StartTransaction())
         {
             Assert.True(tr2.FindExactKey(_key3));
             Assert.True(tr2.FindNextKey());
             Assert.Equal(Key2, tr2.GetKeyAsByteArray());
             Assert.False(tr2.FindNextKey());
         }
     }
 }
开发者ID:Bobris,项目名称:BTDB,代码行数:21,代码来源:KeyValueDBTest.cs


示例20: FindKeyWithPreferPreviousKeyWorks

 public void FindKeyWithPreferPreviousKeyWorks()
 {
     const int keyCount = 10000;
     using (var fileCollection = new InMemoryFileCollection())
     using (IKeyValueDB db = new KeyValueDB(fileCollection))
     {
         using (var tr = db.StartTransaction())
         {
             var key = new byte[100];
             for (int i = 0; i < keyCount; i++)
             {
                 key[0] = (byte)(i / 256);
                 key[1] = (byte)(i % 256);
                 tr.CreateKey(key);
             }
             tr.Commit();
         }
         using (var tr = db.StartTransaction())
         {
             var key = new byte[101];
             for (int i = 0; i < keyCount; i++)
             {
                 key[0] = (byte)(i / 256);
                 key[1] = (byte)(i % 256);
                 var findKeyResult = tr.Find(ByteBuffer.NewSync(key));
                 Assert.Equal(FindResult.Previous, findKeyResult);
                 Assert.Equal(i, tr.GetKeyIndex());
             }
         }
         using (var tr = db.StartTransaction())
         {
             var key = new byte[99];
             for (int i = 0; i < keyCount; i++)
             {
                 key[0] = (byte)(i / 256);
                 key[1] = (byte)(i % 256);
                 var findKeyResult = tr.Find(ByteBuffer.NewSync(key));
                 if (i == 0)
                 {
                     Assert.Equal(FindResult.Next, findKeyResult);
                     Assert.Equal(i, tr.GetKeyIndex());
                 }
                 else
                 {
                     Assert.Equal(FindResult.Previous, findKeyResult);
                     Assert.Equal(i - 1, tr.GetKeyIndex());
                 }
             }
         }
     }
 }
开发者ID:Bobris,项目名称:BTDB,代码行数:51,代码来源:KeyValueDBTest.cs



注:本文中的KeyValueDB类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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