//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = TEST_TIMEOUT) public void timeoutOnAcquiringSharedLock() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void TimeoutOnAcquiringSharedLock()
{
ExpectedException.expect(new RootCauseMatcher <>(typeof(LockAcquisitionTimeoutException), "The transaction has been terminated. " + "Retry your operation in a new transaction, and you should see a successful result. " + "Unable to acquire lock within configured timeout (dbms.lock.acquisition.timeout). " + "Unable to acquire lock for resource: LABEL with id: 1 within 2000 millis."));
using (Transaction ignored = _database.beginTx())
{
Locks lockManger = LockManager;
lockManger.NewClient().acquireExclusive(LockTracer.NONE, ResourceTypes.LABEL, 1);
Future <Void> propertySetFuture = _secondTransactionExecutor.executeDontWait(state =>
{
using (Transaction nestedTransaction = _database.beginTx())
{
ResourceIterator <Node> nodes = _database.findNodes(_marker);
Node node = nodes.next();
node.addLabel(Label.label("anotherLabel"));
nestedTransaction.success();
}
return(null);
});
_secondTransactionExecutor.waitUntilWaiting(SharedLockWaitingPredicate());
_clockExecutor.execute((OtherThreadExecutor.WorkerCommand <Void, Void>)state =>
{
_fakeClock.forward(3, TimeUnit.SECONDS);
return(null);
});
propertySetFuture.get();
fail("Should throw termination exception.");
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public static void main(String[] args) throws java.io.IOException
public static void Main(string[] args)
{
if (args.Length != 1)
{
exit(1);
}
File storeDir = new File(args[0]);
GraphDatabaseService db = (new TestGraphDatabaseFactory()).newEmbeddedDatabase(storeDir);
using (Transaction tx = Db.beginTx())
{
Db.createNode().createRelationshipTo(Db.createNode(), MyRelTypes.TEST);
tx.Success();
}
(( GraphDatabaseAPI )db).DependencyResolver.resolveDependency(typeof(CheckPointer)).forceCheckPoint(new SimpleTriggerInfo("test")
);
using (Transaction tx = Db.beginTx())
{
Db.index().forNodes("index").add(Db.createNode(), storeDir.AbsolutePath, Db.createNode());
tx.Success();
}
exit(0);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldFailTransactionThatIndexesLargePropertyDuringNodeCreation()
public virtual void ShouldFailTransactionThatIndexesLargePropertyDuringNodeCreation()
{
// GIVEN
GraphDatabaseService db = DbRule.GraphDatabaseAPI;
IndexDefinition index = Neo4jMatchers.createIndex(db, _label, _propertyKey);
//We expect this transaction to fail due to the huge property
ExpectedException.expect(typeof(TransactionFailureException));
using (Transaction tx = Db.beginTx())
{
try
{
Db.execute("CREATE (n:" + _label + " {name: \"" + _longString + "\"})");
fail("Argument was illegal");
}
catch (System.ArgumentException)
{
//this is expected.
}
tx.Success();
}
//Check that the database is empty.
using (Transaction tx = Db.beginTx())
{
ResourceIterator <Node> nodes = Db.AllNodes.GetEnumerator();
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertFalse(nodes.hasNext());
}
Db.shutdown();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldRebuildFromLogUpToATx() throws Exception, org.neo4j.consistency.checking.InconsistentStoreException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldRebuildFromLogUpToATx()
{
// given
File prototypePath = PrototypePath;
long txId = PopulatePrototype(prototypePath);
File copy = new File(_dir.databaseDir(), "copy");
FileUtils.copyRecursively(prototypePath, copy);
GraphDatabaseAPI db = db(copy);
try
{
using (Org.Neo4j.Graphdb.Transaction tx = Db.beginTx())
{
Db.createNode();
tx.Success();
}
}
finally
{
Db.shutdown();
}
// when
File rebuildPath = RebuilPath;
(new RebuildFromLogs(_fileSystemRule.get())).rebuild(copy, rebuildPath, txId);
// then
assertEquals(GetDbRepresentation(prototypePath), GetDbRepresentation(rebuildPath));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = TEST_TIMEOUT) public void readOwnChangesFromRacingIndexNoBlock() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ReadOwnChangesFromRacingIndexNoBlock()
{
Future <Void> t2Future = T2.execute(state =>
{
using (Transaction tx = _db.beginTx())
{
CreateNodeWithProperty(_label, PROPERTY_KEY, VALUE_1);
AssertNodeWith(_label, PROPERTY_KEY, VALUE_1);
tx.success();
}
return(null);
});
Future <Void> t3Future = T3.execute(state =>
{
using (Transaction tx = _db.beginTx())
{
CreateAndAwaitIndex(_label, PROPERTY_KEY);
tx.success();
}
return(null);
});
t3Future.get();
t2Future.get();
AssertInTxNodeWith(_label, PROPERTY_KEY, VALUE_1);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void pageCacheMetrics() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void PageCacheMetrics()
{
Label testLabel = Label.label("testLabel");
using (Transaction transaction = _database.beginTx())
{
Node node = _database.createNode(testLabel);
node.SetProperty("property", "value");
transaction.Success();
}
using (Transaction ignored = _database.beginTx())
{
ResourceIterator <Node> nodes = _database.findNodes(testLabel);
assertEquals(1, nodes.Count());
}
AssertMetrics("Metrics report should include page cache pins", PC_PINS, greaterThan(0L));
AssertMetrics("Metrics report should include page cache unpins", PC_UNPINS, greaterThan(0L));
AssertMetrics("Metrics report should include page cache evictions", PC_EVICTIONS, greaterThanOrEqualTo(0L));
AssertMetrics("Metrics report should include page cache page faults", PC_PAGE_FAULTS, greaterThan(0L));
AssertMetrics("Metrics report should include page cache hits", PC_HITS, greaterThan(0L));
AssertMetrics("Metrics report should include page cache flushes", PC_FLUSHES, greaterThanOrEqualTo(0L));
AssertMetrics("Metrics report should include page cache exceptions", PC_EVICTION_EXCEPTIONS, equalTo(0L));
assertEventually("Metrics report should include page cache hit ratio", () => readDoubleValue(metricsCsv(_metricsDirectory, PC_HIT_RATIO)), lessThanOrEqualTo(1.0), 5, SECONDS);
assertEventually("Metrics report should include page cache usage ratio", () => readDoubleValue(metricsCsv(_metricsDirectory, PC_USAGE_RATIO)), lessThanOrEqualTo(1.0), 5, SECONDS);
}
/// <summary>
/// Tests an issue where loading all relationship types and property indexes after
/// the neostore data source had been started internally. The db would be in a
/// state where it would need recovery for the neostore data source, as well as some
/// other data source. This would fail since eventually TxManager#getTransaction()
/// would be called, which would fail since it hadn't as of yet recovered fully.
/// Whereas that failure would happen in a listener and merely be logged, one effect
/// of it would be that there would seem to be no relationship types in the database.
/// </summary>
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void recoverNeoAndIndexHavingAllRelationshipTypesAfterRecovery() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void RecoverNeoAndIndexHavingAllRelationshipTypesAfterRecovery()
{
// Given (create transactions and kill process, leaving it needing for recovery)
File storeDir = TestDirectory.storeDir();
//JAVA TO C# CONVERTER WARNING: The .NET Type.FullName property will not always yield results identical to the Java Class.getName method:
assertEquals(0, Runtime.exec(new string[] { JavaExecutable.ToString(), "-Djava.awt.headless=true", "-cp", ClassPath, this.GetType().FullName, storeDir.AbsolutePath }).waitFor());
// When
GraphDatabaseService db = (new TestGraphDatabaseFactory()).newEmbeddedDatabase(storeDir);
// Then
try
{
using (Transaction ignored = Db.beginTx(), ResourceIterator <RelationshipType> typeResourceIterator = Db.AllRelationshipTypes.GetEnumerator())
{
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertEquals(MyRelTypes.TEST.name(), typeResourceIterator.next().name());
}
}
finally
{
Db.shutdown();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = TEST_TIMEOUT) public void timeoutOnAcquiringExclusiveLock() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void TimeoutOnAcquiringExclusiveLock()
{
ExpectedException.expect(new RootCauseMatcher <>(typeof(LockAcquisitionTimeoutException), "The transaction has been terminated. " + "Retry your operation in a new transaction, and you should see a successful result. " + "Unable to acquire lock within configured timeout (dbms.lock.acquisition.timeout). " + "Unable to acquire lock for resource: NODE with id: 0 within 2000 millis."));
using (Transaction ignored = _database.beginTx())
{
ResourceIterator <Node> nodes = _database.findNodes(_marker);
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
Node node = nodes.next();
node.SetProperty(TEST_PROPERTY_NAME, "b");
Future <Void> propertySetFuture = _secondTransactionExecutor.executeDontWait(state =>
{
using (Transaction transaction1 = _database.beginTx())
{
node.SetProperty(TEST_PROPERTY_NAME, "b");
transaction1.success();
}
return(null);
});
_secondTransactionExecutor.waitUntilWaiting(ExclusiveLockWaitingPredicate());
_clockExecutor.execute((OtherThreadExecutor.WorkerCommand <Void, Void>)state =>
{
_fakeClock.forward(3, TimeUnit.SECONDS);
return(null);
});
propertySetFuture.get();
fail("Should throw termination exception.");
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldSampleUniqueIndex() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldSampleUniqueIndex()
{
GraphDatabaseService db = null;
long deletedNodes = 0;
try
{
// Given
db = (new TestGraphDatabaseFactory()).newEmbeddedDatabase(TestDirectory.storeDir());
using (Transaction tx = Db.beginTx())
{
Db.schema().constraintFor(_label).assertPropertyIsUnique(_property).create();
tx.Success();
}
using (Transaction tx = Db.beginTx())
{
for (int i = 0; i < _nodes; i++)
{
Db.createNode(_label).setProperty(_property, "" + i);
tx.Success();
}
}
using (Transaction tx = Db.beginTx())
{
for (int i = 0; i < _nodes; i++)
{
if (i % 10 == 0)
{
deletedNodes++;
Db.findNode(_label, _property, "" + i).delete();
tx.Success();
}
}
}
}
finally
{
if (db != null)
{
Db.shutdown();
}
}
// When
TriggerIndexResamplingOnNextStartup();
// Then
Register_DoubleLongRegister indexSampleRegister = FetchIndexSamplingValues(db);
assertEquals(_nodes - deletedNodes, indexSampleRegister.ReadFirst());
assertEquals(_nodes - deletedNodes, indexSampleRegister.ReadSecond());
Register_DoubleLongRegister indexSizeRegister = FetchIndexSizeValues(db);
assertEquals(0, indexSizeRegister.ReadFirst());
assertEquals(_nodes - deletedNodes, indexSizeRegister.ReadSecond());
}
private void AssertInTxNodeWith(Label label, string key, object value)
{
using (Transaction tx = _db.beginTx())
{
AssertNodeWith(label, key, value);
tx.Success();
}
}
private static void CreateTestNode(Label marker)
{
using (Transaction transaction = _database.beginTx())
{
_database.createNode(marker);
transaction.Success();
}
}
private int LabelId(Label alien)
{
ThreadToStatementContextBridge contextBridge = (( GraphDatabaseAPI )_db).DependencyResolver.resolveDependency(typeof(ThreadToStatementContextBridge));
using (Transaction tx = _db.beginTx())
{
return(contextBridge.GetKernelTransactionBoundToThisThread(true).tokenRead().nodeLabel(alien.Name()));
}
}
internal void ApplyTo(Org.Neo4j.Graphdb.GraphDatabaseService graphDb)
{
using (Org.Neo4j.Graphdb.Transaction tx = graphDb.BeginTx())
{
ApplyTx(graphDb);
tx.Success();
}
}
private void CreateNonUniqueNodes()
{
using (Transaction tx = _db.beginTx())
{
Node originNode = _db.createNode(LABEL);
originNode.SetProperty(KEY, _point1);
Node centerNode = _db.createNode(LABEL);
centerNode.SetProperty(KEY, _point1);
tx.Success();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Before public void setup()
public virtual void Setup()
{
CreateGraph("A TO B", "B TO C", "C TO D", "D TO E");
_tx = BeginTx();
_a = GetNodeWithName("A");
_b = GetNodeWithName("B");
_c = GetNodeWithName("C");
_d = GetNodeWithName("D");
_e = GetNodeWithName("E");
}
private void CreateUniquenessConstraint()
{
using (Transaction tx = _db.beginTx())
{
_db.schema().constraintFor(TestLabels.LABEL_ONE).assertPropertyIsUnique(KEY).create();
tx.Success();
}
using (Transaction tx = _db.beginTx())
{
_db.schema().awaitIndexesOnline(1, TimeUnit.MINUTES);
tx.Success();
}
}
private void DeleteHumans()
{
using (Transaction tx = _db.beginTx())
{
using (ResourceIterator <Node> humans = _db.findNodes(_human))
{
while (humans.MoveNext())
{
humans.Current.delete();
}
}
tx.Success();
}
}
private void CreateAliensAndHumans()
{
using (Transaction tx = _db.beginTx())
{
for (int i = 0; i < ALIENS; i++)
{
_db.createNode(_alien);
}
for (int i = 0; i < HUMANS; i++)
{
_db.createNode(_human);
}
tx.Success();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = TEST_TIMEOUT) public void readOwnChangesWithoutIndex()
public virtual void ReadOwnChangesWithoutIndex()
{
// WHEN
using (Transaction tx = _db.beginTx())
{
Node node = _db.createNode(_label);
node.SetProperty(PROPERTY_KEY, VALUE_1);
AssertNodeWith(_label, PROPERTY_KEY, VALUE_1);
tx.Success();
}
AssertInTxNodeWith(_label, PROPERTY_KEY, VALUE_1);
}
private Pair <long, long> CreateUniqueNodes()
{
Pair <long, long> nodeIds;
using (Transaction tx = _db.beginTx())
{
Node originNode = _db.createNode(LABEL);
originNode.SetProperty(KEY, _point1);
Node centerNode = _db.createNode(LABEL);
centerNode.SetProperty(KEY, _point2);
nodeIds = Pair.of(originNode.Id, centerNode.Id);
tx.Success();
}
return(nodeIds);
}
//JAVA TO C# CONVERTER WARNING: 'final' parameters are ignored unless the option to convert to C# 7.2 'in' parameters is selected:
//ORIGINAL LINE: private org.neo4j.test.OtherThreadExecutor.WorkerCommand<Void,Void> createAndAwaitIndex(final org.neo4j.graphdb.Label label, final String key)
private WorkerCommand <Void, Void> CreateAndAwaitIndex(Label label, string key)
{
return(state =>
{
using (Transaction tx = _db.beginTx())
{
_db.schema().indexFor(label).on(key).create();
tx.success();
}
using (Transaction ignore = _db.beginTx())
{
_db.schema().awaitIndexesOnline(1, TimeUnit.MINUTES);
}
return null;
});
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = TEST_TIMEOUT) public void firstRemoveSecondChangeProperty() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void FirstRemoveSecondChangeProperty()
{
// GIVEN
//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();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.graphdb.Node node;
Node node;
using (Transaction tx = _db.beginTx())
{
node = _db.createNode();
node.SetProperty(PROPERTY_KEY, VALUE_1);
tx.Success();
}
// WHEN
Future <Void> future = T2.execute(state =>
{
using (Transaction tx = _db.beginTx())
{
node.RemoveProperty(PROPERTY_KEY);
tx.Success();
barrier.Reached();
}
return(null);
});
using (Transaction tx = _db.beginTx())
{
barrier.Await();
node.SetProperty(PROPERTY_KEY, VALUE_2);
tx.Success();
barrier.Release();
}
future.get();
using (Transaction tx = _db.beginTx())
{
assertEquals(VALUE_2, node.GetProperty(PROPERTY_KEY, VALUE_2));
tx.Success();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = TEST_TIMEOUT) public void shouldNotFreakOutIfTwoTransactionsDecideToEachAddTheSameProperty() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotFreakOutIfTwoTransactionsDecideToEachAddTheSameProperty()
{
// GIVEN
//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();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.graphdb.Node node;
Node node;
using (Transaction tx = _db.beginTx())
{
node = _db.createNode();
tx.Success();
}
// WHEN
T2.execute((WorkerCommand <Void, Void>)state =>
{
using (Transaction tx = _db.beginTx())
{
node.SetProperty(PROPERTY_KEY, VALUE_1);
tx.Success();
barrier.Reached();
}
return(null);
});
using (Transaction tx = _db.beginTx())
{
barrier.Await();
node.SetProperty(PROPERTY_KEY, VALUE_2);
tx.Success();
barrier.Release();
}
using (Transaction tx = _db.beginTx())
{
assertEquals(1, count(node.PropertyKeys));
tx.Success();
}
}
private void AssertBothNodesArePresent(Pair <long, long> nodeIds)
{
using (Transaction tx = _db.beginTx())
{
ResourceIterator <Node> origin = _db.findNodes(LABEL, KEY, _point1);
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertTrue(origin.hasNext());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertEquals(nodeIds.First(), origin.next().Id);
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertFalse(origin.hasNext());
ResourceIterator <Node> center = _db.findNodes(LABEL, KEY, _point2);
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertTrue(center.hasNext());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertEquals(nodeIds.Other(), center.next().Id);
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertFalse(center.hasNext());
tx.Success();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = TEST_TIMEOUT) public void removeNodeChangeNodeProperty() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void RemoveNodeChangeNodeProperty()
{
// GIVEN
//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();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final long nodeId;
long nodeId;
using (Transaction tx = _db.beginTx())
{
Node node = _db.createNode();
nodeId = node.Id;
node.SetProperty(PROPERTY_KEY, VALUE_1);
tx.Success();
}
// WHEN
Future <Void> future = T2.execute(state =>
{
using (Transaction tx = _db.beginTx())
{
_db.getNodeById(nodeId).delete();
tx.Success();
barrier.Reached();
}
return(null);
});
try
{
using (Transaction tx = _db.beginTx())
{
barrier.Await();
_db.getNodeById(nodeId).setProperty(PROPERTY_KEY, VALUE_2);
tx.Success();
barrier.Release();
}
}
catch (TransactionFailureException e)
{
// Node was already deleted, fine.
assertThat(e.InnerException, instanceOf(typeof(InvalidRecordException)));
}
future.get();
using (Transaction tx = _db.beginTx())
{
try
{
_db.getNodeById(nodeId);
assertEquals(VALUE_2, _db.getNodeById(nodeId).getProperty(PROPERTY_KEY, VALUE_2));
}
catch (NotFoundException)
{
// Fine, its gone
}
tx.Success();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldSampleNotUniqueIndex() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldSampleNotUniqueIndex()
{
GraphDatabaseService db = null;
long deletedNodes = 0;
try
{
// Given
db = (new TestGraphDatabaseFactory()).newEmbeddedDatabase(TestDirectory.storeDir());
IndexDefinition indexDefinition;
using (Transaction tx = Db.beginTx())
{
indexDefinition = Db.schema().indexFor(_label).on(_property).create();
tx.Success();
}
using (Transaction tx = Db.beginTx())
{
Db.schema().awaitIndexOnline(indexDefinition, 10, TimeUnit.SECONDS);
tx.Success();
}
using (Transaction tx = Db.beginTx())
{
for (int i = 0; i < _nodes; i++)
{
Db.createNode(_label).setProperty(_property, _names[i % _names.Length]);
tx.Success();
}
}
using (Transaction tx = Db.beginTx())
{
for (int i = 0; i < (_nodes / 10); i++)
{
using (ResourceIterator <Node> nodes = Db.findNodes(_label, _property, _names[i % _names.Length]))
{
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
nodes.next().delete();
}
deletedNodes++;
tx.Success();
}
}
}
finally
{
if (db != null)
{
Db.shutdown();
}
}
// When
TriggerIndexResamplingOnNextStartup();
// Then
// lucene will consider also the delete nodes, native won't
Register_DoubleLongRegister register = FetchIndexSamplingValues(db);
assertEquals(_names.Length, register.ReadFirst());
assertThat(register.ReadSecond(), allOf(greaterThanOrEqualTo(nodes - deletedNodes), lessThanOrEqualTo(nodes)));
// but regardless, the deleted nodes should not be considered in the index size value
Register_DoubleLongRegister indexSizeRegister = FetchIndexSizeValues(db);
assertEquals(0, indexSizeRegister.ReadFirst());
assertEquals(nodes - deletedNodes, indexSizeRegister.ReadSecond());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Before public void init()
public virtual void Init()
{
_tx = BeginTx();
}