//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: protected void channelRead0(io.netty.channel.ChannelHandlerContext channelHandlerContext, PrepareStoreCopyRequest prepareStoreCopyRequest) throws java.io.IOException
protected internal override void ChannelRead0(ChannelHandlerContext channelHandlerContext, PrepareStoreCopyRequest prepareStoreCopyRequest)
{
CloseablesListener closeablesListener = new CloseablesListener();
PrepareStoreCopyResponse response = PrepareStoreCopyResponse.Error(PrepareStoreCopyResponse.Status.EListingStore);
try
{
NeoStoreDataSource neoStoreDataSource = _dataSourceSupplier.get();
if (!hasSameStoreId(prepareStoreCopyRequest.StoreId, neoStoreDataSource))
{
channelHandlerContext.write(ResponseMessageType.PREPARE_STORE_COPY_RESPONSE);
response = PrepareStoreCopyResponse.Error(PrepareStoreCopyResponse.Status.EStoreIdMismatch);
}
else
{
CheckPointer checkPointer = neoStoreDataSource.DependencyResolver.resolveDependency(typeof(CheckPointer));
closeablesListener.Add(TryCheckpointAndAcquireMutex(checkPointer));
PrepareStoreCopyFiles prepareStoreCopyFiles = closeablesListener.Add(_prepareStoreCopyFilesProvider.prepareStoreCopyFiles(neoStoreDataSource));
StoreResource[] nonReplayable = prepareStoreCopyFiles.AtomicFilesSnapshot;
foreach (StoreResource storeResource in nonReplayable)
{
_streamingProtocol.stream(channelHandlerContext, storeResource);
}
channelHandlerContext.write(ResponseMessageType.PREPARE_STORE_COPY_RESPONSE);
response = CreateSuccessfulResponse(checkPointer, prepareStoreCopyFiles);
}
}
finally
{
channelHandlerContext.writeAndFlush(response).addListener(closeablesListener);
_protocol.expect(CatchupServerProtocol.State.MESSAGE_TYPE);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public synchronized int createToken(String name) throws org.neo4j.internal.kernel.api.exceptions.KernelException
public override int CreateToken(string name)
{
lock (this)
{
Kernel kernel = _kernelSupplier.get();
using (Transaction tx = kernel.BeginTransaction(Transaction_Type.@implicit, LoginContext.AUTH_DISABLED))
{
int id = CreateKey(tx, name);
tx.Success();
return(id);
}
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: void perform(io.netty.channel.ChannelHandlerContext ctx) throws java.io.IOException
internal virtual void Perform(ChannelHandlerContext ctx)
{
CheckPointer checkPointer = _checkPointerSupplier.get();
Resource checkPointLock = _mutex.storeCopy(() => checkPointer.TryCheckPoint(new SimpleTriggerInfo("Store copy")));
Future <Void> completion = null;
try
{
using (RawCursor <StoreResource, IOException> resources = _resourceStreamFactory.create())
{
while (resources.Next())
{
StoreResource resource = resources.get();
_protocol.stream(ctx, resource);
}
completion = _protocol.end(ctx, SUCCESS);
}
}
finally
{
if (completion != null)
{
completion.addListener(f => checkPointLock.close());
}
else
{
checkPointLock.Close();
}
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void close() throws org.neo4j.kernel.api.exceptions.index.IndexEntryConflictException
public override void Close()
{
_actual.close();
try
{
using (IndexReader reader = _readerSupplier.get())
{
foreach (ValueTuple tuple in _touchedTuples)
{
using (PrimitiveLongResourceIterator results = reader.Query(QueryOf(tuple)))
{
if (results.hasNext())
{
long firstEntityId = results.next();
if (results.hasNext())
{
long secondEntityId = results.next();
throw new IndexEntryConflictException(firstEntityId, secondEntityId, tuple);
}
}
}
}
}
}
catch (IndexNotApplicableKernelException e)
{
throw new System.ArgumentException("Unexpectedly the index reader couldn't handle this query", e);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private org.neo4j.internal.kernel.api.security.LoginContext authenticate(String username, String password) throws org.neo4j.kernel.api.security.exception.InvalidAuthTokenException
private LoginContext Authenticate(string username, string password)
{
AuthManager authManager = _authManagerSupplier.get();
IDictionary <string, object> authToken = newBasicAuthToken(username, !string.ReferenceEquals(password, null) ? UTF8.encode(password) : null);
return(authManager.Login(authToken));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldUpdateLabelStoreScanOnNodeCommands() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldUpdateLabelStoreScanOnNodeCommands()
{
// given
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final IndexBatchTransactionApplier applier = newIndexTransactionApplier();
IndexBatchTransactionApplier applier = NewIndexTransactionApplier();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.store.record.NodeRecord before = new org.neo4j.kernel.impl.store.record.NodeRecord(11);
NodeRecord before = new NodeRecord(11);
before.SetLabelField(17, _emptyDynamicRecords);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.store.record.NodeRecord after = new org.neo4j.kernel.impl.store.record.NodeRecord(12);
NodeRecord after = new NodeRecord(12);
after.SetLabelField(18, _emptyDynamicRecords);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final Command.NodeCommand command = new Command.NodeCommand(before, after);
Command.NodeCommand command = new Command.NodeCommand(before, after);
LabelScanWriter labelScanWriter = mock(typeof(LabelScanWriter));
when(_labelScanStore.get()).thenReturn(labelScanWriter);
// when
bool result;
using (TransactionApplier txApplier = applier.StartTx(_transactionToApply))
{
result = txApplier.VisitNodeCommand(command);
}
// then
assertFalse(result);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Before public void setUp() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void SetUp()
{
_fs = FileSystemRule.get();
_pageCache = PageCacheRule.getPageCache(_fs);
_storeFiles = new StoreFiles(_fs, _pageCache);
_logFiles = LogFilesBuilder.logFilesBasedOnlyBuilder(TestDirectory.directory(), _fs).build();
}
public override void Start()
{
_monitors.addMonitorListener(_listener);
CheckPointerMonitor checkPointerMonitor = _checkPointerMonitorSupplier.get();
_registry.register(CheckPointEvents, (Gauge <long>)checkPointerMonitor.numberOfCheckPointEvents);
_registry.register(CheckPointTotalTime, (Gauge <long>)checkPointerMonitor.checkPointAccumulatedTotalTimeMillis);
}
public override void Start()
{
StoreEntityCounters counters = _storeEntityCountersSupplier.get();
_registry.register(CountsNode, (Gauge <long>)counters.nodes);
_registry.register(CountsRelationship, (Gauge <long>)counters.relationships);
_registry.register(CountsProperty, (Gauge <long>)counters.properties);
_registry.register(CountsRelationshipType, (Gauge <long>)counters.relationshipTypes);
}
public override void Run()
{
if (!DbHealthSupplier.get().Healthy)
{
CatchUpFuture.completeExceptionally(DbHealthSupplier.get().cause());
}
else if (IAmAVotingMember() && CaughtUpWithLeader())
{
CatchUpFuture.complete(true);
outerInstance.monitor.JoinedRaftGroup();
}
else
{
outerInstance.currentCatchupDelayInMs += SECONDS.toMillis(1);
long longerDelay = outerInstance.currentCatchupDelayInMs < outerInstance.maxCatchupLag ? outerInstance.currentCatchupDelayInMs : outerInstance.maxCatchupLag;
outerInstance.jobScheduler.Schedule(Group.MEMBERSHIP_WAITER, this, longerDelay, MILLISECONDS);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Override public void bulk(@Nonnull Consumer<org.neo4j.logging.Log> consumer)
public override void Bulk(Consumer <Log> consumer)
{
PrintWriter writer;
lock (this)
{
writer = _writerSupplier.get();
consumer.accept(new ConsistencyReportLog(Suppliers.singleton(writer), @lock, false));
}
}
// Must be called under synchronized on this
private void Flush()
{
if (_chunkCursor > 0)
{
lock ( _chunks )
{
Chunk <T> chunkToAdd = new Chunk <T>(_thresholdSupplier.get(), copyOf(_chunk, _chunkCursor));
_chunks.offer(chunkToAdd);
}
_chunkCursor = 0;
}
}
public override bool ExistsForNodes(string indexName)
{
try
{
_transactionBridge.get().indexRead().nodeExplicitIndexGetConfiguration(indexName);
return(true);
}
catch (ExplicitIndexNotFoundKernelException)
{
return(false);
}
}
public override Index <Node> GetOrCreateNodeIndex(string indexName, IDictionary <string, string> customConfiguration)
{
KernelTransaction ktx = _transactionBridge.get();
try
{
using (Statement ignore = ktx.AcquireStatement())
{
if (!ktx.IndexRead().nodeExplicitIndexExists(indexName, customConfiguration))
{
// There's a sub-o-meta thing here where we create index config,
// and the index will itself share the same IndexConfigStore as us and pick up and use
// that. We should pass along config somehow with calls.
ktx.IndexWrite().nodeExplicitIndexCreateLazily(indexName, customConfiguration);
}
return(new ExplicitIndexProxy <Node>(indexName, ExplicitIndexProxy.NODE, _gds, _transactionBridge));
}
}
catch (InvalidTransactionTypeKernelException e)
{
throw new ConstraintViolationException(e.Message, e);
}
}
/// <param name="start"> the label of the start node of relationships to get the number of, or {@code null} for "any". </param>
/// <param name="type"> the type of the relationships to get the number of, or {@code null} for "any". </param>
/// <param name="end"> the label of the end node of relationships to get the number of, or {@code null} for "any". </param>
private long CountsForRelationship(Label start, RelationshipType type, Label end)
{
KernelTransaction ktx = _ktxSupplier.get();
using (Statement ignore = ktx.AcquireStatement())
{
TokenRead tokenRead = ktx.TokenRead();
int startId;
int typeId;
int endId;
// start
if (start == null)
{
startId = [email protected]_Fields.ANY_LABEL;
}
else
{
if ([email protected]_Fields.NO_TOKEN == (startId = tokenRead.NodeLabel(start.Name())))
{
return(0);
}
}
// type
if (type == null)
{
typeId = [email protected]_Fields.ANY_RELATIONSHIP_TYPE;
}
else
{
if ([email protected]_Fields.NO_TOKEN == (typeId = tokenRead.RelationshipType(type.Name())))
{
return(0);
}
}
// end
if (end == null)
{
endId = [email protected]_Fields.ANY_LABEL;
}
else
{
if ([email protected]_Fields.NO_TOKEN == (endId = tokenRead.NodeLabel(end.Name())))
{
return(0);
}
}
return(ktx.DataRead().countsForRelationship(startId, typeId, endId));
}
}
public override void Start()
{
_registry.register(TxStarted, (Gauge <long>)_transactionCounters.getNumberOfStartedTransactions);
_registry.register(TxPeakConcurrent, (Gauge <long>)_transactionCounters.getPeakConcurrentNumberOfTransactions);
_registry.register(TxActive, (Gauge <long>)_transactionCounters.getNumberOfActiveTransactions);
_registry.register(ReadTxActive, (Gauge <long>)_transactionCounters.getNumberOfActiveReadTransactions);
_registry.register(WriteTxActive, (Gauge <long>)_transactionCounters.getNumberOfActiveWriteTransactions);
_registry.register(TxCommitted, (Gauge <long>)_transactionCounters.getNumberOfCommittedTransactions);
_registry.register(ReadTxCommitted, (Gauge <long>)_transactionCounters.getNumberOfCommittedReadTransactions);
_registry.register(WriteTxCommitted, (Gauge <long>)_transactionCounters.getNumberOfCommittedWriteTransactions);
_registry.register(TxRollbacks, (Gauge <long>)_transactionCounters.getNumberOfRolledBackTransactions);
_registry.register(ReadTxRollbacks, (Gauge <long>)_transactionCounters.getNumberOfRolledBackReadTransactions);
_registry.register(WriteTxRollbacks, (Gauge <long>)_transactionCounters.getNumberOfRolledBackWriteTransactions);
_registry.register(TxTerminated, (Gauge <long>)_transactionCounters.getNumberOfTerminatedTransactions);
_registry.register(ReadTxTerminated, (Gauge <long>)_transactionCounters.getNumberOfTerminatedReadTransactions);
_registry.register(WriteTxTerminated, (Gauge <long>)_transactionCounters.getNumberOfTerminatedWriteTransactions);
_registry.register(LastCommittedTxId, (Gauge <long>)() => _transactionIdStore.get().LastCommittedTransactionId);
_registry.register(LastClosedTxId, (Gauge <long>)() => _transactionIdStore.get().LastClosedTransactionId);
}
public override bool Next()
{
while (_current == null || _cursor >= _current.Length)
{
_current = _supplier.get();
if (_current == null)
{ // End reached
return(false);
}
_cursor = 0;
}
_cursor++;
return(true);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: protected void channelRead0(io.netty.channel.ChannelHandlerContext ctx, final TxPullRequest msg) throws Exception
//JAVA TO C# CONVERTER WARNING: 'final' parameters are ignored unless the option to convert to C# 7.2 'in' parameters is selected:
protected internal override void ChannelRead0(ChannelHandlerContext ctx, TxPullRequest msg)
{
_monitor.increment();
if (msg.PreviousTxId() <= 0)
{
_log.error("Illegal tx pull request");
EndInteraction(ctx, E_INVALID_REQUEST, -1);
return;
}
StoreId localStoreId = _storeIdSupplier.get();
StoreId expectedStoreId = msg.ExpectedStoreId();
long firstTxId = msg.PreviousTxId() + 1;
/*
* This is the minimum transaction id we must send to consider our streaming operation successful. The kernel can
* concurrently prune even future transactions while iterating and the cursor will silently fail on iteration, so
* we need to add our own protection for this reason and also as a generally important sanity check for the fulfillment
* of the consistent recovery contract which requires us to stream transactions at least as far as the time when the
* file copy operation completed.
*/
long txIdPromise = _transactionIdStore.LastCommittedTransactionId;
IOCursor <CommittedTransactionRepresentation> txCursor = GetCursor(txIdPromise, ctx, firstTxId, localStoreId, expectedStoreId);
if (txCursor != null)
{
ChunkedTransactionStream txStream = new ChunkedTransactionStream(_log, localStoreId, firstTxId, txIdPromise, txCursor, _protocol);
// chunked transaction stream ends the interaction internally and closes the cursor
ctx.writeAndFlush(txStream).addListener(f =>
{
if (_log.DebugEnabled || !f.Success)
{
string message = format("Streamed transactions [%d--%d] to %s", firstTxId, txStream.LastTxId(), ctx.channel().remoteAddress());
if (f.Success)
{
_log.debug(message);
}
else
{
_log.warn(message, f.cause());
}
}
});
}
}
/// <param name="label"> the label to get the number of nodes of, or {@code null} to get the total number of nodes. </param>
private long CountsForNode(Label label)
{
KernelTransaction transaction = _transactionSupplier.get();
Read read = transaction.DataRead();
int labelId;
if (label == null)
{
labelId = StatementConstants.ANY_LABEL;
}
else
{
if ([email protected]_Fields.NO_TOKEN == (labelId = transaction.TokenRead().nodeLabel(label.Name())))
{
return(0);
}
}
return(read.CountsForNode(labelId));
}
public override void Send(MemberId to, RaftMessages_RaftMessage message, bool block)
{
Optional <ClusterId> clusterId = _clusterIdentity.get();
if (!clusterId.Present)
{
_log.warn("Attempting to send a message before bound to a cluster");
return;
}
Optional <CoreServerInfo> coreServerInfo = _coreTopologyService.localCoreServers().find(to);
if (coreServerInfo.Present)
{
_outbound.send(coreServerInfo.get().RaftServer, Org.Neo4j.causalclustering.core.consensus.RaftMessages_ClusterIdAwareMessage.of(clusterId.get(), message), block);
}
else
{
_unknownAddressMonitor.logAttemptToSendToMemberWithNoKnownAddress(to);
}
}
/// <summary>
/// Performs a switch to the master state. Starts communication endpoints, switches components to the master state
/// and broadcasts the appropriate Master Is Available event. </summary>
/// <param name="haCommunicationLife"> The LifeSupport instance to register communication endpoints. </param>
/// <param name="me"> The URI that the communication endpoints should bind to </param>
/// <returns> The URI at which the master communication was bound. </returns>
//JAVA TO C# CONVERTER NOTE: Members cannot have the same name as their enclosing type:
public virtual URI SwitchToMasterConflict(LifeSupport haCommunicationLife, URI me)
{
_userLog.info("I am %s, moving to master", MyId(_config));
// Do not wait for currently active transactions to complete before continuing switching.
// - A master in a cluster is very important, without it the cluster cannot process any write requests
// - Awaiting open transactions to complete assumes that this instance just now was a slave that is
// switching to master, which means the previous master where these active transactions were hosted
// is no longer available so these open transactions cannot continue and complete anyway,
// so what's the point waiting for them?
// - Read transactions may still be able to complete, but the correct response to failures in those
// is to have them throw transient error exceptions hinting that they should be retried,
// at which point they may get redirected to another instance, or to this instance if it has completed
// the switch until then.
_idGeneratorFactory.switchToMaster();
NeoStoreDataSource dataSource = _dataSourceSupplier.get();
dataSource.AfterModeSwitch();
Locks locks = dataSource.DependencyResolver.resolveDependency(typeof(Locks));
ConversationManager conversationManager = ConversationManagerFactory.apply(locks);
Master master = MasterFactory.apply(conversationManager, haCommunicationLife);
MasterServer masterServer = MasterServerFactory.apply(master, conversationManager);
haCommunicationLife.Add(masterServer);
_masterDelegateHandler.Delegate = master;
haCommunicationLife.Start();
URI masterHaURI = GetMasterUri(me, masterServer, _config);
_clusterMemberAvailability.memberIsAvailable(MASTER, masterHaURI, dataSource.StoreId);
_userLog.info("I am %s, successfully moved to master", MyId(_config));
_slaveFactorySupplier.get().StoreId = dataSource.StoreId;
return(masterHaURI);
}
public override void Apply <BUILDER>(NettyPipelineBuilder <Org.Neo4j.causalclustering.protocol.ProtocolInstaller_Orientation_Server, BUILDER> nettyPipelineBuilder) where BUILDER : NettyPipelineBuilder <Org.Neo4j.causalclustering.protocol.ProtocolInstaller_Orientation_Server, BUILDER>
{
nettyPipelineBuilder.Add(PipelineDecoderName, Decoder.get());
}
public override Root CatchupFrom(long fromId)
{
UpdateTripCount(fromId);
AssertTripCount();
return(_rootSupplier.get());
}
private RecentK <string> ClientNames()
{
return(_userDataSupplier.get().get(UsageDataKeys.clientNames));
}
private long CountsForNode()
{
return(_kernelTransactionSupplier.get().dataRead().countsForNode(StatementConstants.ANY_LABEL));
}
internal virtual Type GenerateDefaultValue()
{
return(_defaultVal == null ? default(Type) : _defaultVal.get());
}
public override void Start()
{
this._txIdStore = _txIdStoreSupplier.get();
}
public override Slave NewSlave(LifeSupport life, ClusterMember clusterMember, string originHostNameOrIp, int originPort)
{
//JAVA TO C# CONVERTER WARNING: The .NET Type.FullName property will not always yield results identical to the Java Class.getName method:
return(life.Add(new SlaveClient(clusterMember.InstanceId, clusterMember.HAUri.Host, clusterMember.HAUri.Port, originHostNameOrIp, _logProvider, _storeId, 2, _chunkSize, _monitors.newMonitor(typeof(ByteCounterMonitor), typeof(SlaveClient).FullName), _monitors.newMonitor(typeof(RequestMonitor), typeof(SlaveClient).FullName), _entryReader.get())));
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void addToArchive(java.nio.file.Path archiveDestination, DiagnosticsReporterProgress progress) throws java.io.IOException
public override void AddToArchive(Path archiveDestination, DiagnosticsReporterProgress progress)
{
string message = MessageSupplier.get();
Files.write(archiveDestination, message.GetBytes(Encoding.UTF8), StandardOpenOption.CREATE, StandardOpenOption.APPEND);
}
public override void Init()
{
this._dataSource = new LuceneDataSource(_databaseLayout, _config, _indexStore.get(), _fileSystemAbstraction, _operationalMode);
this._dataSource.init();
}
