private static ChildInitializer ChildInitializer(FileSystemAbstraction fileSystem, GraphDatabaseAPI graphDb)
{
ApplicationSupportedProtocols catchupProtocols = new ApplicationSupportedProtocols(CATCHUP, emptyList());
ModifierSupportedProtocols modifierProtocols = new ModifierSupportedProtocols(COMPRESSION, emptyList());
ApplicationProtocolRepository catchupRepository = new ApplicationProtocolRepository(Protocol_ApplicationProtocols.values(), catchupProtocols);
ModifierProtocolRepository modifierRepository = new ModifierProtocolRepository(Protocol_ModifierProtocols.values(), singletonList(modifierProtocols));
System.Func <CheckPointer> checkPointer = () => graphDb.DependencyResolver.resolveDependency(typeof(CheckPointer));
System.Func <bool> availability = () => graphDb.DependencyResolver.resolveDependency(typeof(DatabaseAvailabilityGuard)).Available;
System.Func <NeoStoreDataSource> dataSource = () => graphDb.DependencyResolver.resolveDependency(typeof(NeoStoreDataSource));
LogProvider logProvider = NullLogProvider.Instance;
Org.Neo4j.Storageengine.Api.StoreId kernelStoreId = dataSource().StoreId;
StoreId storeId = new StoreId(kernelStoreId.CreationTime, kernelStoreId.RandomId, kernelStoreId.UpgradeTime, kernelStoreId.UpgradeId);
CheckPointerService checkPointerService = new CheckPointerService(checkPointer, createInitialisedScheduler(), Group.CHECKPOINT);
RegularCatchupServerHandler catchupServerHandler = new RegularCatchupServerHandler(new Monitors(), logProvider, () => storeId, dataSource, availability, fileSystem, null, checkPointerService);
NettyPipelineBuilderFactory pipelineBuilder = new NettyPipelineBuilderFactory(VoidPipelineWrapperFactory.VOID_WRAPPER);
CatchupProtocolServerInstaller.Factory catchupProtocolServerInstaller = new CatchupProtocolServerInstaller.Factory(pipelineBuilder, logProvider, catchupServerHandler);
ProtocolInstallerRepository <Org.Neo4j.causalclustering.protocol.ProtocolInstaller_Orientation_Server> protocolInstallerRepository = new ProtocolInstallerRepository <Org.Neo4j.causalclustering.protocol.ProtocolInstaller_Orientation_Server>(singletonList(catchupProtocolServerInstaller), Org.Neo4j.causalclustering.protocol.ModifierProtocolInstaller_Fields.AllServerInstallers);
return(new HandshakeServerInitializer(catchupRepository, modifierRepository, protocolInstallerRepository, pipelineBuilder, logProvider));
}
//JAVA TO C# CONVERTER WARNING: 'final' parameters are ignored unless the option to convert to C# 7.2 'in' parameters is selected:
//ORIGINAL LINE: public EnterpriseReadReplicaEditionModule(final org.neo4j.graphdb.factory.module.PlatformModule platformModule, final org.neo4j.causalclustering.discovery.DiscoveryServiceFactory discoveryServiceFactory, org.neo4j.causalclustering.identity.MemberId myself)
public EnterpriseReadReplicaEditionModule(PlatformModule platformModule, DiscoveryServiceFactory discoveryServiceFactory, MemberId myself)
{
LogService logging = platformModule.Logging;
IoLimiterConflict = new ConfigurableIOLimiter(platformModule.Config);
platformModule.JobScheduler.TopLevelGroupName = "ReadReplica " + myself;
Dependencies dependencies = platformModule.Dependencies;
Config config = platformModule.Config;
FileSystemAbstraction fileSystem = platformModule.FileSystem;
PageCache pageCache = platformModule.PageCache;
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.io.layout.DatabaseLayout databaseLayout = platformModule.storeLayout.databaseLayout(config.get(org.neo4j.graphdb.factory.GraphDatabaseSettings.active_database));
DatabaseLayout databaseLayout = platformModule.StoreLayout.databaseLayout(config.Get(GraphDatabaseSettings.active_database));
LifeSupport life = platformModule.Life;
ThreadToTransactionBridgeConflict = dependencies.SatisfyDependency(new ThreadToStatementContextBridge(GetGlobalAvailabilityGuard(platformModule.Clock, logging, platformModule.Config)));
this.AccessCapabilityConflict = new ReadOnly();
WatcherServiceFactoryConflict = dir => CreateFileSystemWatcherService(fileSystem, dir, logging, platformModule.JobScheduler, config, FileWatcherFileNameFilter());
dependencies.SatisfyDependencies(WatcherServiceFactoryConflict);
ReadReplicaLockManager emptyLockManager = new ReadReplicaLockManager();
LocksSupplierConflict = () => emptyLockManager;
StatementLocksFactoryProviderConflict = locks => (new StatementLocksFactorySelector(locks, config, logging)).select();
IdContextFactoryConflict = IdContextFactoryBuilder.of(new EnterpriseIdTypeConfigurationProvider(config), platformModule.JobScheduler).withFileSystem(fileSystem).build();
TokenHoldersProviderConflict = databaseName => new TokenHolders(new DelegatingTokenHolder(new ReadOnlyTokenCreator(), Org.Neo4j.Kernel.impl.core.TokenHolder_Fields.TYPE_PROPERTY_KEY), new DelegatingTokenHolder(new ReadOnlyTokenCreator(), Org.Neo4j.Kernel.impl.core.TokenHolder_Fields.TYPE_LABEL), new DelegatingTokenHolder(new ReadOnlyTokenCreator(), Org.Neo4j.Kernel.impl.core.TokenHolder_Fields.TYPE_RELATIONSHIP_TYPE));
File contextDirectory = platformModule.StoreLayout.storeDirectory();
life.Add(dependencies.SatisfyDependency(new KernelData(fileSystem, pageCache, contextDirectory, config, platformModule.DataSourceManager)));
HeaderInformationFactoryConflict = TransactionHeaderInformationFactory.DEFAULT;
SchemaWriteGuardConflict = () =>
{
};
TransactionStartTimeoutConflict = config.Get(GraphDatabaseSettings.transaction_start_timeout).toMillis();
ConstraintSemanticsConflict = new EnterpriseConstraintSemantics();
PublishEditionInfo(dependencies.ResolveDependency(typeof(UsageData)), platformModule.DatabaseInfo, config);
CommitProcessFactoryConflict = ReadOnly();
ConnectionTrackerConflict = dependencies.SatisfyDependency(CreateConnectionTracker());
_logProvider = platformModule.Logging.InternalLogProvider;
LogProvider userLogProvider = platformModule.Logging.UserLogProvider;
_logProvider.getLog(this.GetType()).info(string.Format("Generated new id: {0}", myself));
RemoteMembersResolver hostnameResolver = chooseResolver(config, platformModule.Logging);
ConfigureDiscoveryService(discoveryServiceFactory, dependencies, config, _logProvider);
_topologyService = discoveryServiceFactory.ReadReplicaTopologyService(config, _logProvider, platformModule.JobScheduler, myself, hostnameResolver, ResolveStrategy(config, _logProvider));
life.Add(dependencies.SatisfyDependency(_topologyService));
// We need to satisfy the dependency here to keep users of it, such as BoltKernelExtension, happy.
dependencies.SatisfyDependency(SslPolicyLoader.create(config, _logProvider));
DuplexPipelineWrapperFactory pipelineWrapperFactory = pipelineWrapperFactory();
PipelineWrapper serverPipelineWrapper = pipelineWrapperFactory.ForServer(config, dependencies, _logProvider, CausalClusteringSettings.ssl_policy);
PipelineWrapper clientPipelineWrapper = pipelineWrapperFactory.ForClient(config, dependencies, _logProvider, CausalClusteringSettings.ssl_policy);
PipelineWrapper backupServerPipelineWrapper = pipelineWrapperFactory.ForServer(config, dependencies, _logProvider, OnlineBackupSettings.ssl_policy);
NettyPipelineBuilderFactory clientPipelineBuilderFactory = new NettyPipelineBuilderFactory(clientPipelineWrapper);
NettyPipelineBuilderFactory serverPipelineBuilderFactory = new NettyPipelineBuilderFactory(serverPipelineWrapper);
NettyPipelineBuilderFactory backupServerPipelineBuilderFactory = new NettyPipelineBuilderFactory(backupServerPipelineWrapper);
SupportedProtocolCreator supportedProtocolCreator = new SupportedProtocolCreator(config, _logProvider);
ApplicationSupportedProtocols supportedCatchupProtocols = supportedProtocolCreator.CreateSupportedCatchupProtocol();
ICollection <ModifierSupportedProtocols> supportedModifierProtocols = supportedProtocolCreator.CreateSupportedModifierProtocols();
ApplicationProtocolRepository applicationProtocolRepository = new ApplicationProtocolRepository(Protocol_ApplicationProtocols.values(), supportedCatchupProtocols);
ModifierProtocolRepository modifierProtocolRepository = new ModifierProtocolRepository(Org.Neo4j.causalclustering.protocol.Protocol_ModifierProtocols.values(), supportedModifierProtocols);
System.Func <CatchUpResponseHandler, ChannelInitializer <SocketChannel> > channelInitializer = handler =>
{
ProtocolInstallerRepository <ProtocolInstaller.Orientation.Client> protocolInstallerRepository = new ProtocolInstallerRepository <ProtocolInstaller.Orientation.Client>(singletonList(new CatchupProtocolClientInstaller.Factory(clientPipelineBuilderFactory, _logProvider, handler)), ModifierProtocolInstaller.allClientInstallers);
Duration handshakeTimeout = config.Get(CausalClusteringSettings.handshake_timeout);
return(new HandshakeClientInitializer(applicationProtocolRepository, modifierProtocolRepository, protocolInstallerRepository, clientPipelineBuilderFactory, handshakeTimeout, _logProvider, userLogProvider));
};
long inactivityTimeoutMs = config.Get(CausalClusteringSettings.catch_up_client_inactivity_timeout).toMillis();
CatchUpClient catchUpClient = life.Add(new CatchUpClient(_logProvider, Clocks.systemClock(), inactivityTimeoutMs, channelInitializer));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final System.Func<org.neo4j.kernel.internal.DatabaseHealth> databaseHealthSupplier = () -> platformModule.dataSourceManager.getDataSource().getDependencyResolver().resolveDependency(org.neo4j.kernel.internal.DatabaseHealth.class);
System.Func <DatabaseHealth> databaseHealthSupplier = () => platformModule.DataSourceManager.DataSource.DependencyResolver.resolveDependency(typeof(DatabaseHealth));
StoreFiles storeFiles = new StoreFiles(fileSystem, pageCache);
LogFiles logFiles = BuildLocalDatabaseLogFiles(platformModule, fileSystem, databaseLayout, config);
LocalDatabase localDatabase = new LocalDatabase(databaseLayout, storeFiles, logFiles, platformModule.DataSourceManager, databaseHealthSupplier, GetGlobalAvailabilityGuard(platformModule.Clock, platformModule.Logging, platformModule.Config), _logProvider);
System.Func <TransactionCommitProcess> writableCommitProcess = () => new TransactionRepresentationCommitProcess(localDatabase.DataSource().DependencyResolver.resolveDependency(typeof(TransactionAppender)), localDatabase.DataSource().DependencyResolver.resolveDependency(typeof(StorageEngine)));
LifeSupport txPulling = new LifeSupport();
int maxBatchSize = config.Get(CausalClusteringSettings.read_replica_transaction_applier_batch_size);
CommandIndexTracker commandIndexTracker = platformModule.Dependencies.satisfyDependency(new CommandIndexTracker());
BatchingTxApplier batchingTxApplier = new BatchingTxApplier(maxBatchSize, () => localDatabase.DataSource().DependencyResolver.resolveDependency(typeof(TransactionIdStore)), writableCommitProcess, platformModule.Monitors, platformModule.Tracers.pageCursorTracerSupplier, platformModule.VersionContextSupplier, commandIndexTracker, _logProvider);
TimerService timerService = new TimerService(platformModule.JobScheduler, _logProvider);
ExponentialBackoffStrategy storeCopyBackoffStrategy = new ExponentialBackoffStrategy(1, config.Get(CausalClusteringSettings.store_copy_backoff_max_wait).toMillis(), TimeUnit.MILLISECONDS);
RemoteStore remoteStore = new RemoteStore(platformModule.Logging.InternalLogProvider, fileSystem, platformModule.PageCache, new StoreCopyClient(catchUpClient, platformModule.Monitors, _logProvider, storeCopyBackoffStrategy), new TxPullClient(catchUpClient, platformModule.Monitors), new TransactionLogCatchUpFactory(), config, platformModule.Monitors);
CopiedStoreRecovery copiedStoreRecovery = new CopiedStoreRecovery(config, platformModule.KernelExtensionFactories, platformModule.PageCache);
txPulling.Add(copiedStoreRecovery);
CompositeSuspendable servicesToStopOnStoreCopy = new CompositeSuspendable();
StoreCopyProcess storeCopyProcess = new StoreCopyProcess(fileSystem, pageCache, localDatabase, copiedStoreRecovery, remoteStore, _logProvider);
ConnectToRandomCoreServerStrategy defaultStrategy = new ConnectToRandomCoreServerStrategy();
defaultStrategy.Inject(_topologyService, config, _logProvider, myself);
UpstreamDatabaseStrategySelector upstreamDatabaseStrategySelector = CreateUpstreamDatabaseStrategySelector(myself, config, _logProvider, _topologyService, defaultStrategy);
CatchupPollingProcess catchupProcess = new CatchupPollingProcess(_logProvider, localDatabase, servicesToStopOnStoreCopy, catchUpClient, upstreamDatabaseStrategySelector, timerService, config.Get(CausalClusteringSettings.pull_interval).toMillis(), batchingTxApplier, platformModule.Monitors, storeCopyProcess, databaseHealthSupplier, _topologyService);
dependencies.SatisfyDependencies(catchupProcess);
txPulling.Add(batchingTxApplier);
txPulling.Add(catchupProcess);
txPulling.Add(new WaitForUpToDateStore(catchupProcess, _logProvider));
ExponentialBackoffStrategy retryStrategy = new ExponentialBackoffStrategy(1, 30, TimeUnit.SECONDS);
life.Add(new ReadReplicaStartupProcess(remoteStore, localDatabase, txPulling, upstreamDatabaseStrategySelector, retryStrategy, _logProvider, platformModule.Logging.UserLogProvider, storeCopyProcess, _topologyService));
CheckPointerService checkPointerService = new CheckPointerService(() => localDatabase.DataSource().DependencyResolver.resolveDependency(typeof(CheckPointer)), platformModule.JobScheduler, Group.CHECKPOINT);
RegularCatchupServerHandler catchupServerHandler = new RegularCatchupServerHandler(platformModule.Monitors, _logProvider, localDatabase.storeId, localDatabase.dataSource, localDatabase.isAvailable, fileSystem, null, checkPointerService);
InstalledProtocolHandler installedProtocolHandler = new InstalledProtocolHandler(); // TODO: hook into a procedure
Server catchupServer = (new CatchupServerBuilder(catchupServerHandler)).serverHandler(installedProtocolHandler).catchupProtocols(supportedCatchupProtocols).modifierProtocols(supportedModifierProtocols).pipelineBuilder(serverPipelineBuilderFactory).userLogProvider(userLogProvider).debugLogProvider(_logProvider).listenAddress(config.Get(transaction_listen_address)).serverName("catchup-server").build();
TransactionBackupServiceProvider transactionBackupServiceProvider = new TransactionBackupServiceProvider(_logProvider, userLogProvider, supportedCatchupProtocols, supportedModifierProtocols, backupServerPipelineBuilderFactory, catchupServerHandler, installedProtocolHandler);
Optional <Server> backupCatchupServer = transactionBackupServiceProvider.ResolveIfBackupEnabled(config);
servicesToStopOnStoreCopy.Add(catchupServer);
backupCatchupServer.ifPresent(servicesToStopOnStoreCopy.add);
life.Add(catchupServer); // must start last and stop first, since it handles external requests
backupCatchupServer.ifPresent(life.add);
}
//JAVA TO C# CONVERTER WARNING: 'final' parameters are ignored unless the option to convert to C# 7.2 'in' parameters is selected:
//ORIGINAL LINE: public CoreServerModule(org.neo4j.causalclustering.core.IdentityModule identityModule, final org.neo4j.graphdb.factory.module.PlatformModule platformModule, org.neo4j.causalclustering.core.consensus.ConsensusModule consensusModule, org.neo4j.causalclustering.core.state.machines.CoreStateMachinesModule coreStateMachinesModule, org.neo4j.causalclustering.core.state.ClusteringModule clusteringModule, org.neo4j.causalclustering.ReplicationModule replicationModule, org.neo4j.causalclustering.catchup.storecopy.LocalDatabase localDatabase, System.Func<org.neo4j.kernel.internal.DatabaseHealth> dbHealthSupplier, java.io.File clusterStateDirectory, org.neo4j.causalclustering.protocol.NettyPipelineBuilderFactory clientPipelineBuilderFactory, org.neo4j.causalclustering.protocol.NettyPipelineBuilderFactory serverPipelineBuilderFactory, org.neo4j.causalclustering.protocol.NettyPipelineBuilderFactory backupServerPipelineBuilderFactory, org.neo4j.causalclustering.net.InstalledProtocolHandler installedProtocolsHandler)
public CoreServerModule(IdentityModule identityModule, PlatformModule platformModule, ConsensusModule consensusModule, CoreStateMachinesModule coreStateMachinesModule, ClusteringModule clusteringModule, ReplicationModule replicationModule, LocalDatabase localDatabase, System.Func <DatabaseHealth> dbHealthSupplier, File clusterStateDirectory, NettyPipelineBuilderFactory clientPipelineBuilderFactory, NettyPipelineBuilderFactory serverPipelineBuilderFactory, NettyPipelineBuilderFactory backupServerPipelineBuilderFactory, InstalledProtocolHandler installedProtocolsHandler)
{
this._identityModule = identityModule;
this._coreStateMachinesModule = coreStateMachinesModule;
this._consensusModule = consensusModule;
this._clusteringModule = clusteringModule;
this._localDatabase = localDatabase;
this._dbHealthSupplier = dbHealthSupplier;
this._platformModule = platformModule;
this._config = platformModule.Config;
this._jobScheduler = platformModule.JobScheduler;
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.util.Dependencies dependencies = platformModule.dependencies;
Dependencies dependencies = platformModule.Dependencies;
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.logging.internal.LogService logging = platformModule.logging;
LogService logging = platformModule.Logging;
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.io.fs.FileSystemAbstraction fileSystem = platformModule.fileSystem;
FileSystemAbstraction fileSystem = platformModule.FileSystem;
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.lifecycle.LifeSupport life = platformModule.life;
LifeSupport life = platformModule.Life;
this._logProvider = logging.InternalLogProvider;
this._userLogProvider = logging.UserLogProvider;
CompositeSuspendable servicesToStopOnStoreCopy = new CompositeSuspendable();
StateStorage <long> lastFlushedStorage = platformModule.Life.add(new DurableStateStorage <long>(platformModule.FileSystem, clusterStateDirectory, LAST_FLUSHED_NAME, new LongIndexMarshal(), platformModule.Config.get(CausalClusteringSettings.last_flushed_state_size), _logProvider));
consensusModule.RaftMembershipManager().RecoverFromIndexSupplier = lastFlushedStorage.getInitialState;
CoreState coreState = new CoreState(coreStateMachinesModule.CoreStateMachines, replicationModule.SessionTracker, lastFlushedStorage);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final System.Func<org.neo4j.kernel.internal.DatabaseHealth> databaseHealthSupplier = () -> platformModule.dataSourceManager.getDataSource().getDependencyResolver().resolveDependency(org.neo4j.kernel.internal.DatabaseHealth.class);
System.Func <DatabaseHealth> databaseHealthSupplier = () => platformModule.DataSourceManager.DataSource.DependencyResolver.resolveDependency(typeof(DatabaseHealth));
_commandApplicationProcess = new CommandApplicationProcess(consensusModule.RaftLog(), platformModule.Config.get(CausalClusteringSettings.state_machine_apply_max_batch_size), platformModule.Config.get(CausalClusteringSettings.state_machine_flush_window_size), databaseHealthSupplier, _logProvider, replicationModule.ProgressTracker, replicationModule.SessionTracker, coreState, consensusModule.InFlightCache(), platformModule.Monitors);
platformModule.Dependencies.satisfyDependency(_commandApplicationProcess); // lastApplied() for CC-robustness
this._snapshotService = new CoreSnapshotService(_commandApplicationProcess, coreState, consensusModule.RaftLog(), consensusModule.RaftMachine());
CatchUpClient catchUpClient = CreateCatchupClient(clientPipelineBuilderFactory);
CoreStateDownloader downloader = CreateCoreStateDownloader(servicesToStopOnStoreCopy, catchUpClient);
this._downloadService = new CoreStateDownloaderService(platformModule.JobScheduler, downloader, _commandApplicationProcess, _logProvider, (new ExponentialBackoffStrategy(1, 30, SECONDS)).newTimeout(), databaseHealthSupplier, platformModule.Monitors);
this.MembershipWaiterLifecycle = CreateMembershipWaiterLifecycle();
SupportedProtocolCreator supportedProtocolCreator = new SupportedProtocolCreator(_config, _logProvider);
ApplicationSupportedProtocols supportedCatchupProtocols = supportedProtocolCreator.CreateSupportedCatchupProtocol();
ICollection <ModifierSupportedProtocols> supportedModifierProtocols = supportedProtocolCreator.CreateSupportedModifierProtocols();
CheckPointerService checkPointerService = new CheckPointerService(() => localDatabase.DataSource().DependencyResolver.resolveDependency(typeof(CheckPointer)), _jobScheduler, Group.CHECKPOINT);
CatchupServerHandler catchupServerHandler = new RegularCatchupServerHandler(platformModule.Monitors, _logProvider, localDatabase.storeId, localDatabase.dataSource, localDatabase.isAvailable, fileSystem, _snapshotService, checkPointerService);
_catchupServer = (new CatchupServerBuilder(catchupServerHandler)).serverHandler(installedProtocolsHandler).catchupProtocols(supportedCatchupProtocols).modifierProtocols(supportedModifierProtocols).pipelineBuilder(serverPipelineBuilderFactory).userLogProvider(_userLogProvider).debugLogProvider(_logProvider).listenAddress(_config.get(transaction_listen_address)).serverName("catchup-server").build();
TransactionBackupServiceProvider transactionBackupServiceProvider = new TransactionBackupServiceProvider(_logProvider, _userLogProvider, supportedCatchupProtocols, supportedModifierProtocols, backupServerPipelineBuilderFactory, catchupServerHandler, installedProtocolsHandler);
_backupServer = transactionBackupServiceProvider.ResolveIfBackupEnabled(_config);
RaftLogPruner raftLogPruner = new RaftLogPruner(consensusModule.RaftMachine(), _commandApplicationProcess, platformModule.Clock);
dependencies.SatisfyDependency(raftLogPruner);
life.Add(new PruningScheduler(raftLogPruner, _jobScheduler, _config.get(CausalClusteringSettings.raft_log_pruning_frequency).toMillis(), _logProvider));
servicesToStopOnStoreCopy.Add(this._catchupServer);
_backupServer.ifPresent(servicesToStopOnStoreCopy.add);
}
