//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldCreateACountsStoreWhenThereAreUnusedNodeRecordsInTheDB()
public virtual void ShouldCreateACountsStoreWhenThereAreUnusedNodeRecordsInTheDB()
{
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @SuppressWarnings("deprecation") final org.neo4j.kernel.internal.GraphDatabaseAPI db = (org.neo4j.kernel.internal.GraphDatabaseAPI) dbBuilder.newGraphDatabase();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
GraphDatabaseAPI db = ( GraphDatabaseAPI )_dbBuilder.newGraphDatabase();
using (Transaction tx = Db.beginTx())
{
Db.createNode(Label.label("A"));
Db.createNode(Label.label("C"));
Node node = Db.createNode(Label.label("D"));
Db.createNode();
node.Delete();
tx.Success();
}
long lastCommittedTransactionId = GetLastTxId(db);
Db.shutdown();
RebuildCounts(lastCommittedTransactionId);
using (Lifespan life = new Lifespan())
{
CountsTracker store = life.Add(CreateCountsTracker());
assertEquals(BASE_TX_ID + 1 + 1 + 1 + 1, store.TxId());
assertEquals(3, store.TotalEntriesStored());
assertEquals(3, Get(store, nodeKey(-1)));
assertEquals(1, Get(store, nodeKey(0)));
assertEquals(1, Get(store, nodeKey(1)));
assertEquals(0, Get(store, nodeKey(2)));
assertEquals(0, Get(store, nodeKey(3)));
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldRotateCountsStoreWhenClosingTheDatabase()
public virtual void ShouldRotateCountsStoreWhenClosingTheDatabase()
{
// GIVEN
GraphDatabaseAPI db = ( GraphDatabaseAPI )_dbBuilder.newGraphDatabase();
using (Transaction tx = Db.beginTx())
{
Db.createNode(_a);
tx.Success();
}
// WHEN
Db.shutdown();
// THEN
assertTrue(_fs.fileExists(AlphaStoreFile()));
assertTrue(_fs.fileExists(BetaStoreFile()));
using (Lifespan life = new Lifespan())
{
CountsTracker store = life.Add(CreateCountsTracker(_pageCache));
// a transaction for creating the label and a transaction for the node
assertEquals(BASE_TX_ID + 1 + 1, store.TxId());
assertEquals(INITIAL_MINOR_VERSION, store.MinorVersion());
// one for all nodes and one for the created "A" label
assertEquals(1 + 1, store.TotalEntriesStored());
assertEquals(1 + 1, AllRecords(store).Count);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldUnMapThePrestateFileWhenTimingOutOnRotationAndAllowForShutdownInTheFailedRotationState() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldUnMapThePrestateFileWhenTimingOutOnRotationAndAllowForShutdownInTheFailedRotationState()
{
// Given
_dbBuilder.newGraphDatabase().shutdown();
CountsTracker store = CreateCountsTracker(_pageCache, Config.defaults(GraphDatabaseSettings.counts_store_rotation_timeout, "100ms"));
using (Lifespan lifespan = new Lifespan(store))
{
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater updater = store.Apply(2).get())
{
updater.IncrementNodeCount(0, 1);
}
try
{
// when
store.Rotate(3);
fail("should have thrown");
}
catch (RotationTimeoutException)
{
// good
}
}
// and also no exceptions closing the page cache
_pageCache.close();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldCreateEmptyCountsTrackerStoreWhenCreatingDatabase()
public virtual void ShouldCreateEmptyCountsTrackerStoreWhenCreatingDatabase()
{
// GIVEN
GraphDatabaseAPI db = ( GraphDatabaseAPI )_dbBuilder.newGraphDatabase();
// WHEN
Db.shutdown();
// THEN
assertTrue(_fs.fileExists(AlphaStoreFile()));
assertFalse(_fs.fileExists(BetaStoreFile()));
using (Lifespan life = new Lifespan())
{
CountsTracker store = life.Add(CreateCountsTracker(_pageCache));
assertEquals(BASE_TX_ID, store.TxId());
assertEquals(INITIAL_MINOR_VERSION, store.MinorVersion());
assertEquals(0, store.TotalEntriesStored());
assertEquals(0, AllRecords(store).Count);
}
using (Lifespan life = new Lifespan())
{
CountsTracker store = life.Add(CreateCountsTracker(_pageCache));
assertEquals(BASE_TX_ID, store.TxId());
assertEquals(INITIAL_MINOR_VERSION, store.MinorVersion());
assertEquals(0, store.TotalEntriesStored());
assertEquals(0, AllRecords(store).Count);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldRotateCountsStoreWhenRotatingLog() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldRotateCountsStoreWhenRotatingLog()
{
// GIVEN
GraphDatabaseAPI db = ( GraphDatabaseAPI )_dbBuilder.newGraphDatabase();
// WHEN doing a transaction (actually two, the label-mini-tx also counts)
using (Transaction tx = Db.beginTx())
{
Db.createNode(_b);
tx.Success();
}
// and rotating the log (which implies flushing)
CheckPoint(db);
// and creating another node after it
using (Transaction tx = Db.beginTx())
{
Db.createNode(_c);
tx.Success();
}
// THEN
assertTrue(_fs.fileExists(AlphaStoreFile()));
assertTrue(_fs.fileExists(BetaStoreFile()));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.io.pagecache.PageCache pageCache = db.getDependencyResolver().resolveDependency(org.neo4j.io.pagecache.PageCache.class);
PageCache pageCache = Db.DependencyResolver.resolveDependency(typeof(PageCache));
using (Lifespan life = new Lifespan())
{
CountsTracker store = life.Add(CreateCountsTracker(pageCache));
// NOTE since the rotation happens before the second transaction is committed we do not see those changes
// in the stats
// a transaction for creating the label and a transaction for the node
assertEquals(BASE_TX_ID + 1 + 1, store.TxId());
assertEquals(INITIAL_MINOR_VERSION, store.MinorVersion());
// one for all nodes and one for the created "B" label
assertEquals(1 + 1, store.TotalEntriesStored());
assertEquals(1 + 1, AllRecords(store).Count);
}
// on the other hand the tracker should read the correct value by merging data on disk and data in memory
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final CountsTracker tracker = db.getDependencyResolver().resolveDependency(org.neo4j.kernel.impl.storageengine.impl.recordstorage.RecordStorageEngine.class).testAccessNeoStores().getCounts();
CountsTracker tracker = Db.DependencyResolver.resolveDependency(typeof(RecordStorageEngine)).testAccessNeoStores().Counts;
assertEquals(1 + 1, tracker.NodeCount(-1, newDoubleLongRegister()).readSecond());
int labelId;
using (Transaction tx = Db.beginTx())
{
KernelTransaction transaction = Db.DependencyResolver.resolveDependency(typeof(ThreadToStatementContextBridge)).getKernelTransactionBoundToThisThread(true);
labelId = transaction.TokenRead().nodeLabel(_c.name());
}
assertEquals(1, tracker.NodeCount(labelId, newDoubleLongRegister()).readSecond());
Db.shutdown();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test @Resources.Life(STARTED) public void shouldSupportTransactionsAppliedOutOfOrderOnRotation() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldSupportTransactionsAppliedOutOfOrderOnRotation()
{
// given
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final CountsTracker tracker = resourceManager.managed(newTracker());
CountsTracker tracker = ResourceManager.managed(NewTracker());
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater tx = tracker.Apply(2).get())
{
tx.IncrementNodeCount(1, 1);
}
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater tx = tracker.Apply(4).get())
{
tx.IncrementNodeCount(1, 1);
}
// when
Future <long> rotated = Threading.executeAndAwait(new Rotation(2), tracker, thread =>
{
switch (thread.State)
{
case BLOCKED:
case WAITING:
case TIMED_WAITING:
case TERMINATED:
return(true);
default:
return(false);
}
}, 10, SECONDS);
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater tx = tracker.Apply(5).get())
{
tx.IncrementNodeCount(1, 1);
}
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater tx = tracker.Apply(3).get())
{
tx.IncrementNodeCount(1, 1);
}
// then
assertEquals("rotated transaction", 4, rotated.get().longValue());
assertEquals("stored transaction", 4, tracker.TxId());
// the value in memory
assertEquals("count", 4, tracker.NodeCount(1, Registers.newDoubleLongRegister()).readSecond());
// the value in the store
CountsVisitor visitor = mock(typeof(CountsVisitor));
tracker.VisitFile(tracker.CurrentFile(), visitor);
verify(visitor).visitNodeCount(1, 3);
verifyNoMoreInteractions(visitor);
assertEquals("final rotation", 5, tracker.Rotate(5));
}
private void CheckEmptyCountStore()
{
using (Lifespan life = new Lifespan())
{
CountsTracker store = life.Add(CreateCountsTracker());
assertEquals(BASE_TX_ID, store.TxId());
assertEquals(0, store.TotalEntriesStored());
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldBeAbleToReadUpToDateValueWhileAnotherThreadIsPerformingRotation() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldBeAbleToReadUpToDateValueWhileAnotherThreadIsPerformingRotation()
{
// given
CountsOracle oracle = SomeData();
const int firstTransaction = 2;
int secondTransaction = 3;
using (Lifespan life = new Lifespan())
{
CountsTracker tracker = life.Add(NewTracker());
oracle.Update(tracker, firstTransaction);
tracker.Rotate(firstTransaction);
}
// when
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.store.CountsOracle delta = new org.neo4j.kernel.impl.store.CountsOracle();
CountsOracle delta = new CountsOracle();
{
CountsOracle.Node n1 = delta.Node(1);
CountsOracle.Node n2 = delta.Node(1, 4); // Label 4 has not been used before...
delta.Relationship(n1, 1, n2);
delta.Relationship(n2, 2, n1); // relationshipType 2 has not been used before...
}
delta.Update(oracle);
using (Lifespan life = new Lifespan())
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.test.Barrier_Control barrier = new org.neo4j.test.Barrier_Control();
Org.Neo4j.Test.Barrier_Control barrier = new Org.Neo4j.Test.Barrier_Control();
CountsTracker tracker = life.Add(new CountsTrackerAnonymousInnerClass(this, ResourceManager.logProvider(), ResourceManager.fileSystem(), ResourceManager.pageCache(), Config.defaults(), EmptyVersionContextSupplier.EMPTY, barrier));
Future <Void> task = Threading.execute(t =>
{
try
{
delta.Update(t, secondTransaction);
t.rotate(secondTransaction);
}
catch (IOException e)
{
throw new AssertionError(e);
}
return(null);
}, tracker);
// then
barrier.Await();
oracle.Verify(tracker);
barrier.Release();
task.get();
oracle.Verify(tracker);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldOrderStoreByTxIdInHeaderThenMinorVersion()
public virtual void ShouldOrderStoreByTxIdInHeaderThenMinorVersion()
{
// given
FileVersion version = new FileVersion(16, 5);
// then
assertTrue(CountsTracker.Compare(version, new FileVersion(5, 5)) > 0);
assertEquals(0, CountsTracker.Compare(version, new FileVersion(16, 5)));
assertTrue(CountsTracker.Compare(version, new FileVersion(30, 1)) < 0);
assertTrue(CountsTracker.Compare(version, new FileVersion(16, 1)) > 0);
assertTrue(CountsTracker.Compare(version, new FileVersion(16, 7)) < 0);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test @Resources.Life(STARTED) public void shouldNotRotateIfNoDataChanges() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotRotateIfNoDataChanges()
{
// given
CountsTracker tracker = ResourceManager.managed(NewTracker());
File before = tracker.CurrentFile();
// when
tracker.Rotate(tracker.TxId());
// then
assertSame("not rotated", before, tracker.CurrentFile());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test @Resources.Life(STARTED) public void shouldNotEndUpInBrokenStateAfterRotationFailure() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotEndUpInBrokenStateAfterRotationFailure()
{
// GIVEN
FakeClock clock = Clocks.fakeClock();
CallTrackingClock callTrackingClock = new CallTrackingClock(clock);
CountsTracker tracker = ResourceManager.managed(NewTracker(callTrackingClock, EmptyVersionContextSupplier.EMPTY));
int labelId = 1;
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater tx = tracker.Apply(2).get())
{
tx.IncrementNodeCount(labelId, 1); // now at 1
}
// WHEN
System.Predicate <Thread> arrived = thread => stackTraceContains(thread, all(classNameContains("Rotation"), methodIs("rotate")));
Future <object> rotation = Threading.executeAndAwait(t => t.rotate(4), tracker, arrived, 1, SECONDS);
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater tx = tracker.Apply(3).get())
{
tx.IncrementNodeCount(labelId, 1); // now at 2
}
while (callTrackingClock.CallsToNanos() == 0)
{
Thread.Sleep(10);
}
clock.Forward(Config.defaults().get(GraphDatabaseSettings.counts_store_rotation_timeout).toMillis() * 2, MILLISECONDS);
try
{
rotation.get();
fail("Should've failed rotation due to timeout");
}
catch (ExecutionException e)
{
// good
assertTrue(e.InnerException is RotationTimeoutException);
}
// THEN
Org.Neo4j.Register.Register_DoubleLongRegister register = Registers.newDoubleLongRegister();
tracker.Get(CountsKeyFactory.nodeKey(labelId), register);
assertEquals(2, register.ReadSecond());
// and WHEN later attempting rotation again
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater tx = tracker.Apply(4).get())
{
tx.IncrementNodeCount(labelId, 1); // now at 3
}
tracker.Rotate(4);
// THEN
tracker.Get(CountsKeyFactory.nodeKey(labelId), register);
assertEquals(3, register.ReadSecond());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test @Resources.Life(STARTED) public void shouldRotateOnDataChangesEvenIfTransactionIsUnchanged() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldRotateOnDataChangesEvenIfTransactionIsUnchanged()
{
// given
CountsTracker tracker = ResourceManager.managed(NewTracker());
File before = tracker.CurrentFile();
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_IndexStatsUpdater updater = tracker.UpdateIndexCounts())
{
updater.IncrementIndexUpdates(7, 100);
}
// when
tracker.Rotate(tracker.TxId());
// then
assertNotEquals("rotated", before, tracker.CurrentFile());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldCreateACountStoreWhenDBContainsDenseNodes()
public virtual void ShouldCreateACountStoreWhenDBContainsDenseNodes()
{
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @SuppressWarnings("deprecation") final org.neo4j.kernel.internal.GraphDatabaseAPI db = (org.neo4j.kernel.internal.GraphDatabaseAPI) dbBuilder.setConfig(org.neo4j.graphdb.factory.GraphDatabaseSettings.dense_node_threshold, "2").newGraphDatabase();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
GraphDatabaseAPI db = ( GraphDatabaseAPI )_dbBuilder.setConfig(GraphDatabaseSettings.dense_node_threshold, "2").newGraphDatabase();
using (Transaction tx = Db.beginTx())
{
Node nodeA = Db.createNode(Label.label("A"));
Node nodeC = Db.createNode(Label.label("C"));
Node nodeD = Db.createNode(Label.label("D"));
nodeA.CreateRelationshipTo(nodeA, RelationshipType.withName("TYPE1"));
nodeA.CreateRelationshipTo(nodeC, RelationshipType.withName("TYPE2"));
nodeA.CreateRelationshipTo(nodeD, RelationshipType.withName("TYPE3"));
nodeD.CreateRelationshipTo(nodeC, RelationshipType.withName("TYPE4"));
tx.Success();
}
long lastCommittedTransactionId = GetLastTxId(db);
Db.shutdown();
RebuildCounts(lastCommittedTransactionId);
using (Lifespan life = new Lifespan())
{
CountsTracker store = life.Add(CreateCountsTracker());
assertEquals(BASE_TX_ID + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1, store.TxId());
assertEquals(22, store.TotalEntriesStored());
assertEquals(3, Get(store, nodeKey(-1)));
assertEquals(1, Get(store, nodeKey(0)));
assertEquals(1, Get(store, nodeKey(1)));
assertEquals(1, Get(store, nodeKey(2)));
assertEquals(0, Get(store, nodeKey(3)));
assertEquals(4, Get(store, relationshipKey(-1, -1, -1)));
assertEquals(1, Get(store, relationshipKey(-1, 0, -1)));
assertEquals(1, Get(store, relationshipKey(-1, 1, -1)));
assertEquals(1, Get(store, relationshipKey(-1, 2, -1)));
assertEquals(1, Get(store, relationshipKey(-1, 3, -1)));
assertEquals(0, Get(store, relationshipKey(-1, 4, -1)));
assertEquals(1, Get(store, relationshipKey(-1, 1, 1)));
assertEquals(2, Get(store, relationshipKey(-1, -1, 1)));
assertEquals(3, Get(store, relationshipKey(0, -1, -1)));
}
}
private void RebuildCounts(long lastCommittedTransactionId, ProgressReporter progressReporter)
{
CleanupCountsForRebuilding();
IdGeneratorFactory idGenFactory = new DefaultIdGeneratorFactory(_fs);
StoreFactory storeFactory = new StoreFactory(_testDir.databaseLayout(), _config, idGenFactory, _pageCache, _fs, _logProvider, EmptyVersionContextSupplier.EMPTY);
using (Lifespan life = new Lifespan(), NeoStores neoStores = storeFactory.OpenAllNeoStores())
{
NodeStore nodeStore = neoStores.NodeStore;
RelationshipStore relationshipStore = neoStores.RelationshipStore;
int highLabelId = ( int )neoStores.LabelTokenStore.HighId;
int highRelationshipTypeId = ( int )neoStores.RelationshipTypeTokenStore.HighId;
CountsComputer countsComputer = new CountsComputer(lastCommittedTransactionId, nodeStore, relationshipStore, highLabelId, highRelationshipTypeId, [email protected]_Fields.AutoWithoutPagecache, progressReporter);
CountsTracker countsTracker = CreateCountsTracker();
life.Add(countsTracker.setInitializer(countsComputer));
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldStoreCounts() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldStoreCounts()
{
// given
CountsOracle oracle = SomeData();
// when
using (Lifespan life = new Lifespan())
{
CountsTracker tracker = life.Add(NewTracker());
oracle.Update(tracker, 2);
tracker.Rotate(2);
}
// then
using (Lifespan life = new Lifespan())
{
oracle.Verify(life.Add(NewTracker()));
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test @Resources.Life(STARTED) public void shouldBeAbleToWriteDataToCountsTracker() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldBeAbleToWriteDataToCountsTracker()
{
// given
CountsTracker tracker = ResourceManager.managed(NewTracker());
long indexId = 0;
CountsOracle oracle = new CountsOracle();
{
CountsOracle.Node a = oracle.Node(1);
CountsOracle.Node b = oracle.Node(1);
oracle.Relationship(a, 1, b);
oracle.IndexSampling(indexId, 2, 2);
oracle.IndexUpdatesAndSize(indexId, 10, 2);
}
// when
oracle.Update(tracker, 2);
// then
oracle.Verify(tracker);
// when
tracker.Rotate(2);
// then
oracle.Verify(tracker);
// when
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_IndexStatsUpdater updater = tracker.UpdateIndexCounts())
{
updater.IncrementIndexUpdates(indexId, 2);
}
// then
oracle.IndexUpdatesAndSize(indexId, 12, 2);
oracle.Verify(tracker);
// when
tracker.Rotate(2);
// then
oracle.Verify(tracker);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldUpdateCountsOnExistingStore() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldUpdateCountsOnExistingStore()
{
// given
CountsOracle oracle = SomeData();
int firstTx = 2;
int secondTx = 3;
using (Lifespan life = new Lifespan())
{
CountsTracker tracker = life.Add(NewTracker());
oracle.Update(tracker, firstTx);
tracker.Rotate(firstTx);
oracle.Verify(tracker);
// when
CountsOracle delta = new CountsOracle();
{
CountsOracle.Node n1 = delta.Node(1);
CountsOracle.Node n2 = delta.Node(1, 4); // Label 4 has not been used before...
delta.Relationship(n1, 1, n2);
delta.Relationship(n2, 2, n1); // relationshipType 2 has not been used before...
}
delta.Update(tracker, secondTx);
delta.Update(oracle);
// then
oracle.Verify(tracker);
// when
tracker.Rotate(secondTx);
}
// then
using (Lifespan life = new Lifespan())
{
oracle.Verify(life.Add(NewTracker()));
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void allowNonDirtyInMemoryDirtyVersionRead()
public virtual void AllowNonDirtyInMemoryDirtyVersionRead()
{
int labelId = 1;
long lastClosedTransactionId = 15L;
long writeTransactionId = 13L;
TransactionVersionContextSupplier versionContextSupplier = new TransactionVersionContextSupplier();
versionContextSupplier.Init(() => lastClosedTransactionId);
VersionContext versionContext = versionContextSupplier.VersionContext;
using (Lifespan life = new Lifespan())
{
CountsTracker tracker = life.Add(NewTracker(versionContextSupplier));
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater updater = tracker.Apply(writeTransactionId).get())
{
updater.IncrementNodeCount(labelId, 1);
}
versionContext.InitRead();
tracker.NodeCount(labelId, Registers.newDoubleLongRegister());
assertFalse(versionContext.Dirty);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void rotationShouldNotCauseUnmappedFileProblem() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void RotationShouldNotCauseUnmappedFileProblem()
{
// GIVEN
GraphDatabaseAPI db = ( GraphDatabaseAPI )_dbBuilder.newGraphDatabase();
DependencyResolver resolver = Db.DependencyResolver;
RecordStorageEngine storageEngine = resolver.ResolveDependency(typeof(RecordStorageEngine));
CountsTracker countStore = storageEngine.TestAccessNeoStores().Counts;
AtomicBoolean workerContinueFlag = new AtomicBoolean(true);
AtomicLong lookupsCounter = new AtomicLong();
int rotations = 100;
for (int i = 0; i < 5; i++)
{
_threadingRule.execute(CountStoreLookup(workerContinueFlag, lookupsCounter), countStore);
}
long startTxId = countStore.TxId();
for (int i = 1; (i < rotations) || (lookupsCounter.get() == 0); i++)
{
using (Transaction tx = Db.beginTx())
{
Db.createNode(_b);
tx.Success();
}
CheckPoint(db);
}
workerContinueFlag.set(false);
assertEquals("Should perform at least 100 rotations.", rotations, Math.Min(rotations, countStore.TxId() - startTxId));
assertTrue("Should perform more then 0 lookups without exceptions.", lookupsCounter.get() > 0);
Db.shutdown();
}
internal DelegatingVisitor(CountsTracker outerInstance, CountsVisitor visitor) : base(outerInstance)
{
this._outerInstance = outerInstance;
this.Visitor = visitor;
}
private long Get(CountsTracker store, CountsKey key)
{
Org.Neo4j.Register.Register_DoubleLongRegister value = Registers.newDoubleLongRegister();
store.Get(key, value);
return(value.ReadSecond());
}
public DataInitializerAnonymousInnerClass(CountsTracker outerInstance, DataInitializer <Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater> initializer)
{
this.outerInstance = outerInstance;
this._initializer = initializer;
}
