Examples with GlobalProcedures org.neo4j.kernel.api.procedure.GlobalProcedures used on opensource projects

Example 1 with GlobalProcedures

use of org.neo4j.kernel.api.procedure.GlobalProcedures in project neo4j by neo4j.

the class SingleInstanceRoutingProcedureInstallerTest method shouldRegisterRoutingProcedures.

@Test
void shouldRegisterRoutingProcedures() throws Exception {
    DatabaseManager<?> databaseManager = mock(DatabaseManager.class);
    ConnectorPortRegister portRegister = mock(ConnectorPortRegister.class);
    ClientRoutingDomainChecker clientRoutingDomainChecker = mock(ClientRoutingDomainChecker.class);
    Config config = Config.defaults();
    LogProvider logProvider = nullLogProvider();
    SingleInstanceRoutingProcedureInstaller installer = new SingleInstanceRoutingProcedureInstaller(databaseManager, clientRoutingDomainChecker, portRegister, config, logProvider);
    GlobalProcedures procedures = spy(new GlobalProceduresRegistry());
    installer.install(procedures);
    verify(procedures, times(2)).register(any(GetRoutingTableProcedure.class));
    Set<QualifiedName> expectedNames = newSetWith(new QualifiedName(new String[] { "dbms", "routing" }, "getRoutingTable"), new QualifiedName(new String[] { "dbms", "cluster", "routing" }, "getRoutingTable"));
    Set<QualifiedName> actualNames = procedures.getAllProcedures().stream().map(ProcedureSignature::name).collect(toSet());
    assertEquals(expectedNames, actualNames);
}

Example 2 with GlobalProcedures

use of org.neo4j.kernel.api.procedure.GlobalProcedures in project neo4j by neo4j.

the class FabricServicesBootstrap method bootstrapServices.

public void bootstrapServices() {
    LogProvider internalLogProvider = logService.getInternalLogProvider();
    @SuppressWarnings("unchecked") var databaseManager = (DatabaseManager<DatabaseContext>) resolve(DatabaseManager.class);
    var fabricDatabaseManager = register(createFabricDatabaseManager(fabricConfig), FabricDatabaseManager.class);
    var jobScheduler = resolve(JobScheduler.class);
    var monitors = resolve(Monitors.class);
    var databaseAccess = createFabricDatabaseAccess();
    var remoteExecutor = bootstrapRemoteStack();
    var localExecutor = register(new FabricLocalExecutor(fabricConfig, fabricDatabaseManager, databaseAccess), FabricLocalExecutor.class);
    var systemNanoClock = resolve(SystemNanoClock.class);
    var transactionMonitor = register(new FabricTransactionMonitor(systemNanoClock, logService, fabricConfig), FabricTransactionMonitor.class);
    var transactionCheckInterval = config.get(GraphDatabaseSettings.transaction_monitor_check_interval).toMillis();
    register(new TransactionMonitorScheduler(transactionMonitor, jobScheduler, transactionCheckInterval, null), TransactionMonitorScheduler.class);
    var errorReporter = new ErrorReporter(logService);
    register(new TransactionManager(remoteExecutor, localExecutor, errorReporter, fabricConfig, transactionMonitor, securityLog, systemNanoClock, config, availabilityGuard), TransactionManager.class);
    var cypherConfig = CypherConfiguration.fromConfig(config);
    Supplier<GlobalProcedures> proceduresSupplier = () -> resolve(GlobalProcedures.class);
    var catalogManager = register(createCatalogManger(), CatalogManager.class);
    var signatureResolver = new SignatureResolver(proceduresSupplier);
    var statementLifecycles = new FabricStatementLifecycles(databaseManager, monitors, config, systemNanoClock);
    var monitoredExecutor = jobScheduler.monitoredJobExecutor(CYPHER_CACHE);
    var cacheFactory = new ExecutorBasedCaffeineCacheFactory(job -> monitoredExecutor.execute(systemJob("Query plan cache maintenance"), job));
    var planner = register(new FabricPlanner(fabricConfig, cypherConfig, monitors, cacheFactory, signatureResolver), FabricPlanner.class);
    var useEvaluation = register(new UseEvaluation(catalogManager, proceduresSupplier, signatureResolver), UseEvaluation.class);
    register(new FabricReactorHooksService(errorReporter), FabricReactorHooksService.class);
    Executor fabricWorkerExecutor = jobScheduler.executor(FABRIC_WORKER);
    var fabricExecutor = new FabricExecutor(fabricConfig, planner, useEvaluation, catalogManager, internalLogProvider, statementLifecycles, fabricWorkerExecutor);
    register(fabricExecutor, FabricExecutor.class);
    register(new TransactionBookmarkManagerFactory(fabricDatabaseManager), TransactionBookmarkManagerFactory.class);
}

Example 3 with GlobalProcedures

use of org.neo4j.kernel.api.procedure.GlobalProcedures in project neo4j by neo4j.

the class TokenHoldersIdLookupTest method setup.

@BeforeAll
static void setup() throws KernelException {
    GlobalProcedures procs = new GlobalProceduresRegistry();
    procs.registerProcedure(TestProcedures.class);
    procs.registerFunction(TestProcedures.class);
    procs.registerAggregationFunction(TestProcedures.class);
    procName2id = new HashMap<>();
    for (ProcedureSignature signature : procs.getAllProcedures()) {
        QualifiedName name = signature.name();
        ProcedureHandle procedure = procs.procedure(name);
        procName2id.put(name.toString(), procedure.id());
    }
    funcName2id = new HashMap<>();
    procs.getAllNonAggregatingFunctions().forEach(signature -> {
        QualifiedName name = signature.name();
        UserFunctionHandle function = procs.function(name);
        funcName2id.put(name.toString(), function.id());
    });
    procs.getAllAggregatingFunctions().forEach(signature -> {
        QualifiedName name = signature.name();
        UserFunctionHandle function = procs.aggregationFunction(name);
        funcName2id.put(name.toString(), function.id());
    });
    idLookup = new TokenHoldersIdLookup(mockedTokenHolders(), procs);
}

Example 4 with GlobalProcedures

use of org.neo4j.kernel.api.procedure.GlobalProcedures in project neo4j by neo4j.

the class DatabaseManagementServiceFactory method setupProcedures.

/**
 * Creates and registers the systems procedures, including those which belong to a particular edition.
 * N.B. This method takes a {@link DatabaseManager} as an unused parameter *intentionally*, in
 * order to enforce that the databaseManager must be constructed first.
 */
@SuppressWarnings("unused")
private static void setupProcedures(GlobalModule globalModule, AbstractEditionModule editionModule, DatabaseManager<?> databaseManager) {
    Supplier<GlobalProcedures> procedureInitializer = () -> {
        Config globalConfig = globalModule.getGlobalConfig();
        Path proceduresDirectory = globalConfig.get(GraphDatabaseSettings.plugin_dir);
        LogService logService = globalModule.getLogService();
        Log internalLog = logService.getInternalLog(GlobalProcedures.class);
        Log proceduresLog = logService.getUserLog(GlobalProcedures.class);
        ProcedureConfig procedureConfig = new ProcedureConfig(globalConfig);
        Edition neo4jEdition = globalModule.getDbmsInfo().edition;
        SpecialBuiltInProcedures builtInProcedures = new SpecialBuiltInProcedures(Version.getNeo4jVersion(), neo4jEdition.toString());
        GlobalProceduresRegistry globalProcedures = new GlobalProceduresRegistry(builtInProcedures, proceduresDirectory, internalLog, procedureConfig);
        globalProcedures.registerType(Node.class, NTNode);
        globalProcedures.registerType(NodeValue.class, NTNode);
        globalProcedures.registerType(Relationship.class, NTRelationship);
        globalProcedures.registerType(RelationshipValue.class, NTRelationship);
        globalProcedures.registerType(org.neo4j.graphdb.Path.class, NTPath);
        globalProcedures.registerType(PathValue.class, NTPath);
        globalProcedures.registerType(Geometry.class, NTGeometry);
        globalProcedures.registerType(Point.class, NTPoint);
        globalProcedures.registerType(PointValue.class, NTPoint);
        // Below components are not public API, but are made available for internal
        // procedures to call, and to provide temporary workarounds for the following
        // patterns:
        // - Batch-transaction imports (GDAPI, needs to be real and passed to background processing threads)
        // - Group-transaction writes (same pattern as above, but rather than splitting large transactions,
        // combine lots of small ones)
        // - Bleeding-edge performance (KernelTransaction, to bypass overhead of working with Core API)
        globalProcedures.registerComponent(DependencyResolver.class, Context::dependencyResolver, false);
        globalProcedures.registerComponent(KernelTransaction.class, ctx -> ctx.internalTransaction().kernelTransaction(), false);
        globalProcedures.registerComponent(GraphDatabaseAPI.class, Context::graphDatabaseAPI, false);
        globalProcedures.registerComponent(SystemGraphComponents.class, ctx -> globalModule.getSystemGraphComponents(), false);
        globalProcedures.registerComponent(ValueMapper.class, Context::valueMapper, true);
        // Register injected public API components
        globalProcedures.registerComponent(Log.class, ctx -> proceduresLog, true);
        globalProcedures.registerComponent(Transaction.class, new ProcedureTransactionProvider(), true);
        globalProcedures.registerComponent(org.neo4j.procedure.TerminationGuard.class, new TerminationGuardProvider(), true);
        globalProcedures.registerComponent(SecurityContext.class, Context::securityContext, true);
        globalProcedures.registerComponent(ProcedureCallContext.class, Context::procedureCallContext, true);
        globalProcedures.registerComponent(FulltextAdapter.class, ctx -> ctx.dependencyResolver().resolveDependency(FulltextAdapter.class), true);
        globalProcedures.registerComponent(GraphDatabaseService.class, ctx -> new GraphDatabaseFacade((GraphDatabaseFacade) ctx.graphDatabaseAPI(), new ProcedureLoginContextTransformer(ctx)), true);
        globalProcedures.registerComponent(DataCollector.class, ctx -> ctx.dependencyResolver().resolveDependency(DataCollector.class), false);
        // Edition procedures
        try {
            editionModule.registerProcedures(globalProcedures, procedureConfig, globalModule, databaseManager);
        } catch (KernelException e) {
            internalLog.error("Failed to register built-in edition procedures at start up: " + e.getMessage());
        }
        globalModule.getGlobalLife().add(globalProcedures);
        return globalProcedures;
    };
    GlobalProcedures procedures = tryResolveOrCreate(GlobalProcedures.class, globalModule.getExternalDependencyResolver(), procedureInitializer);
    if (procedures instanceof Consumer) {
        ((Consumer) procedures).accept(procedureInitializer);
    }
    globalModule.getGlobalDependencies().satisfyDependency(procedures);
}

Example 5 with GlobalProcedures

use of org.neo4j.kernel.api.procedure.GlobalProcedures in project neo4j by neo4j.

the class BuiltInDbmsProcedures method listFunctions.

@Deprecated(since = "4.3.0", forRemoval = true)
@SystemProcedure
@Description("List all functions in the DBMS.")
@Procedure(name = "dbms.functions", mode = DBMS, deprecatedBy = "SHOW FUNCTIONS command")
public Stream<FunctionResult> listFunctions() {
    DependencyResolver resolver = graph.getDependencyResolver();
    QueryExecutionEngine queryExecutionEngine = resolver.resolveDependency(QueryExecutionEngine.class);
    List<FunctionInformation> providedLanguageFunctions = queryExecutionEngine.getProvidedLanguageFunctions();
    var globalProcedures = resolver.resolveDependency(GlobalProcedures.class);
    // gets you all functions provided by the query language
    Stream<FunctionResult> languageFunctions = providedLanguageFunctions.stream().map(FunctionResult::new);
    // gets you all non-aggregating functions that are registered in the db (incl. those from libs like apoc)
    Stream<FunctionResult> loadedFunctions = globalProcedures.getAllNonAggregatingFunctions().map(f -> new FunctionResult(f, false));
    // gets you all aggregation functions that are registered in the db (incl. those from libs like apoc)
    Stream<FunctionResult> loadedAggregationFunctions = globalProcedures.getAllAggregatingFunctions().map(f -> new FunctionResult(f, true));
    return Stream.concat(Stream.concat(languageFunctions, loadedFunctions), loadedAggregationFunctions).sorted(Comparator.comparing(a -> a.name));
}