public void TestCloneWithCallLockV1()
{
var options = new BPlusTree <int, int> .Options(PrimitiveSerializer.Int32, PrimitiveSerializer.Int32)
{
CreateFile = CreatePolicy.IfNeeded,
BTreeOrder = 4
};
var copy = options.Clone();
Assert.IsFalse(Object.ReferenceEquals(options, copy));
Assert.IsTrue(Object.ReferenceEquals(options.CallLevelLock, copy.CallLevelLock));
//If we get/set the lock prior to clone we will have the same lock instance.
options.CallLevelLock = new SimpleReadWriteLocking();
copy = options.Clone();
Assert.IsFalse(Object.ReferenceEquals(options, copy));
Assert.IsTrue(Object.ReferenceEquals(options.CallLevelLock, copy.CallLevelLock));
}
public void TestReadOnlyCopy()
{
using (var tempFile = new TempFile())
{
var options = new BPlusTree <int, string> .OptionsV2(new PrimitiveSerializer(), new PrimitiveSerializer())
{
CreateFile = CreatePolicy.Always,
FileName = tempFile.TempPath,
}
.CalcBTreeOrder(4, 10);
var readcopy = options.Clone();
readcopy.CreateFile = CreatePolicy.Never;
readcopy.ReadOnly = true;
using (var tree = new BPlusTree <int, string>(options))
{
using (var copy = new BPlusTree <int, string>(readcopy))
{
copy.EnableCount();
Assert.AreEqual(0, copy.Count);
}
//insert some data...
tree.AddRange(MakeValues(0, 100));
using (var copy = new BPlusTree <int, string>(readcopy))
{
copy.EnableCount();
Assert.AreEqual(0, copy.Count);
}
tree.Commit();
//insert some data...
for (int i = 0; i < 100; i++)
{
tree.Remove(i);
}
tree.AddRange(MakeValues(1000, 1000));
using (var copy = new BPlusTree <int, string>(readcopy))
{
copy.EnableCount();
Assert.AreEqual(100, copy.Count);
Assert.AreEqual(0, copy.First().Key);
Assert.AreEqual(99, copy.Last().Key);
}
tree.Commit();
}
}
}
public void TestICloneable()
{
ICloneable opt = new BPlusTree<int, int>.Options(PrimitiveSerializer.Int32, PrimitiveSerializer.Int32)
{
CreateFile = CreatePolicy.IfNeeded,
BTreeOrder = 4
};
BPlusTree<int, int>.Options options = (BPlusTree<int, int>.Options)opt.Clone();
Assert.AreEqual(CreatePolicy.IfNeeded, options.CreateFile);
Assert.AreEqual(4, options.MaximumChildNodes);
Assert.AreEqual(4, options.MaximumValueNodes);
}
public void TestICloneable()
{
ICloneable opt = new BPlusTree <int, int> .Options(PrimitiveSerializer.Int32, PrimitiveSerializer.Int32)
{
CreateFile = CreatePolicy.IfNeeded,
BTreeOrder = 4
};
BPlusTree <int, int> .Options options = (BPlusTree <int, int> .Options)opt.Clone();
Assert.AreEqual(CreatePolicy.IfNeeded, options.CreateFile);
Assert.AreEqual(4, options.MaximumChildNodes);
Assert.AreEqual(4, options.MaximumValueNodes);
}
public void TestReadOnlyCopy()
{
using (var tempFile = new TempFile())
{
var options = new BPlusTree<int, string>.OptionsV2(new PrimitiveSerializer(), new PrimitiveSerializer())
{
CreateFile = CreatePolicy.Always,
FileName = tempFile.TempPath,
}.CalcBTreeOrder(4, 10);
var readcopy = options.Clone();
readcopy.CreateFile = CreatePolicy.Never;
readcopy.ReadOnly = true;
using (var tree = new BPlusTree<int, string>(options))
{
using (var copy = new BPlusTree<int, string>(readcopy))
{
copy.EnableCount();
Assert.AreEqual(0, copy.Count);
}
//insert some data...
tree.AddRange(MakeValues(0, 100));
using (var copy = new BPlusTree<int, string>(readcopy))
{
copy.EnableCount();
Assert.AreEqual(0, copy.Count);
}
tree.Commit();
//insert some data...
for (int i = 0; i < 100; i++)
tree.Remove(i);
tree.AddRange(MakeValues(1000, 1000));
using (var copy = new BPlusTree<int, string>(readcopy))
{
copy.EnableCount();
Assert.AreEqual(100, copy.Count);
Assert.AreEqual(0, copy.First().Key);
Assert.AreEqual(99, copy.Last().Key);
}
tree.Commit();
}
}
}
void TestRecoveryOnNew(BPlusTree <Guid, TestInfo> .OptionsV2 options, int count, int added)
{
BPlusTree <Guid, TestInfo> tree = null;
var temp = TempFile.Attach(options.FileName);
Dictionary <Guid, TestInfo> data = new Dictionary <Guid, TestInfo>();
try
{
Assert.IsNotNull(options.TransactionLog);
temp.Delete();
tree = new BPlusTree <Guid, TestInfo>(options);
using (var log = options.TransactionLog)
{
using ((IDisposable) new PropertyValue(tree, "_storage").Value)
Insert(tree, data, Environment.ProcessorCount, count, TimeSpan.MaxValue);
//Add extra data...
AppendToLog(log, TestInfo.Create(added, data));
}
tree = null;
//No data... yet...
using (TempFile testempty = TempFile.FromCopy(options.FileName))
{
var testoptions = options.Clone();
testoptions.TransactionLogFileName = null;
testoptions.TransactionLog = null;
testoptions.FileName = testempty.TempPath;
using (var empty = new BPlusTree <Guid, TestInfo>(testoptions))
{
empty.EnableCount();
Assert.AreEqual(0, empty.Count);
}
}
//Now recover...
using (var recovered = new BPlusTree <Guid, TestInfo>(options))
{
TestInfo.AssertEquals(data, recovered);
}
}
finally
{
temp.Dispose();
if (tree != null)
{
tree.Dispose();
}
}
}
public void TestCloneWithCallLockV1()
{
var options = new BPlusTree<int, int>.Options(PrimitiveSerializer.Int32, PrimitiveSerializer.Int32)
{
CreateFile = CreatePolicy.IfNeeded,
BTreeOrder = 4
};
var copy = options.Clone();
Assert.IsFalse(Object.ReferenceEquals(options, copy));
Assert.IsTrue(Object.ReferenceEquals(options.CallLevelLock, copy.CallLevelLock));
//If we get/set the lock prior to clone we will have the same lock instance.
options.CallLevelLock = new SimpleReadWriteLocking();
copy = options.Clone();
Assert.IsFalse(Object.ReferenceEquals(options, copy));
Assert.IsTrue(Object.ReferenceEquals(options.CallLevelLock, copy.CallLevelLock));
}
public void TestSyncFromLogging()
{
using (var tempFile = new TempFile())
using (var logfile = new TempFile())
using (var tempCopy = new TempFile())
{
var options = new BPlusTree <int, string> .OptionsV2(new PrimitiveSerializer(), new PrimitiveSerializer())
{
CreateFile = CreatePolicy.Always,
FileName = tempFile.TempPath,
TransactionLogFileName = logfile.TempPath,
}
.CalcBTreeOrder(4, 10);
var readcopy = options.Clone();
readcopy.FileName = tempCopy.TempPath;
readcopy.StoragePerformance = StoragePerformance.Fastest;
using (var tree = new BPlusTree <int, string>(options))
using (var copy = new BPlusTree <int, string>(readcopy))
using (var tlog = new TransactionLog <int, string>(
new TransactionLogOptions <int, string>(logfile.TempPath, PrimitiveSerializer.Int32, PrimitiveSerializer.String)
{
ReadOnly = true
}))
{
tree.Add(0, "0");
tree.Commit();
long logpos = 0;
copy.EnableCount();
//start by copying the data from tree's file into the copy instance:
copy.BulkInsert(
BPlusTree <int, string> .EnumerateFile(options),
new BulkInsertOptions {
InputIsSorted = true, CommitOnCompletion = false, ReplaceContents = true
}
);
Assert.AreEqual(1, copy.Count);
Assert.AreEqual("0", copy[0]);
tlog.ReplayLog(copy, ref logpos);
Assert.AreEqual(1, copy.Count);
//insert some data...
tree.AddRange(MakeValues(1, 99));
tlog.ReplayLog(copy, ref logpos);
Assert.AreEqual(100, copy.Count);
//insert some data...
for (int i = 0; i < 100; i++)
{
tree.Remove(i);
}
tlog.ReplayLog(copy, ref logpos);
Assert.AreEqual(0, copy.Count);
tree.AddRange(MakeValues(1000, 1000));
tlog.ReplayLog(copy, ref logpos);
Assert.AreEqual(1000, copy.Count);
}
}
}
void TestRecoveryOnNew(BPlusTree<Guid, TestInfo>.OptionsV2 options, int count, int added)
{
BPlusTree<Guid, TestInfo> tree = null;
var temp = TempFile.Attach(options.FileName);
Dictionary<Guid, TestInfo> data = new Dictionary<Guid, TestInfo>();
try
{
Assert.IsNotNull(options.TransactionLog);
temp.Delete();
tree = new BPlusTree<Guid, TestInfo>(options);
using (var log = options.TransactionLog)
{
using ((IDisposable)new PropertyValue(tree, "_storage").Value)
Insert(tree, data, Environment.ProcessorCount, count, TimeSpan.MaxValue);
//Add extra data...
AppendToLog(log, TestInfo.Create(added, data));
}
tree = null;
//No data... yet...
using(TempFile testempty = TempFile.FromCopy(options.FileName))
{
var testoptions = options.Clone();
testoptions.TransactionLogFileName = null;
testoptions.TransactionLog = null;
testoptions.FileName = testempty.TempPath;
using (var empty = new BPlusTree<Guid, TestInfo>(testoptions))
{
empty.EnableCount();
Assert.AreEqual(0, empty.Count);
}
}
//Now recover...
using (var recovered = new BPlusTree<Guid, TestInfo>(options))
{
TestInfo.AssertEquals(data, recovered);
}
}
finally
{
temp.Dispose();
if (tree != null)
tree.Dispose();
}
}
public void TestSyncFromLogging()
{
using (var tempFile = new TempFile())
using (var logfile = new TempFile())
using (var tempCopy = new TempFile())
{
var options = new BPlusTree<int, string>.OptionsV2(new PrimitiveSerializer(), new PrimitiveSerializer())
{
CreateFile = CreatePolicy.Always,
FileName = tempFile.TempPath,
TransactionLogFileName = logfile.TempPath,
}.CalcBTreeOrder(4, 10);
var readcopy = options.Clone();
readcopy.FileName = tempCopy.TempPath;
readcopy.StoragePerformance = StoragePerformance.Fastest;
using (var tree = new BPlusTree<int, string>(options))
using (var copy = new BPlusTree<int, string>(readcopy))
using (var tlog = new TransactionLog<int, string>(
new TransactionLogOptions<int, string>(logfile.TempPath, PrimitiveSerializer.Int32, PrimitiveSerializer.String) { ReadOnly = true }))
{
tree.Add(0, "0");
tree.Commit();
long logpos = 0;
copy.EnableCount();
//start by copying the data from tree's file into the copy instance:
copy.BulkInsert(
BPlusTree<int, string>.EnumerateFile(options),
new BulkInsertOptions { InputIsSorted = true, CommitOnCompletion = false, ReplaceContents = true }
);
Assert.AreEqual(1, copy.Count);
Assert.AreEqual("0", copy[0]);
tlog.ReplayLog(copy, ref logpos);
Assert.AreEqual(1, copy.Count);
//insert some data...
tree.AddRange(MakeValues(1, 99));
tlog.ReplayLog(copy, ref logpos);
Assert.AreEqual(100, copy.Count);
//insert some data...
for (int i = 0; i < 100; i++)
tree.Remove(i);
tlog.ReplayLog(copy, ref logpos);
Assert.AreEqual(0, copy.Count);
tree.AddRange(MakeValues(1000, 1000));
tlog.ReplayLog(copy, ref logpos);
Assert.AreEqual(1000, copy.Count);
}
}
}