//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 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 @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 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)));
}
}
//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();
}
