Java ConnectorMetadata类代码示例

import com.facebook.presto.spi.ConnectorMetadata; //导入依赖的package包/类
private static Connector createTestingConnector(String connectorId)
{
    return new LegacyTransactionConnector(connectorId, new com.facebook.presto.spi.Connector()
    {
        private final ConnectorMetadata metadata = new TestingMetadata();

        @Override
        public ConnectorMetadata getMetadata()
        {
            return metadata;
        }

        @Override
        public ConnectorSplitManager getSplitManager()
        {
            throw new UnsupportedOperationException();
        }
    });
}
 

import com.facebook.presto.spi.ConnectorMetadata; //导入依赖的package包/类
public HiveConnector(
        LifeCycleManager lifeCycleManager,
        ConnectorMetadata metadata,
        ConnectorSplitManager splitManager,
        ConnectorPageSourceProvider pageSourceProvider,
        ConnectorPageSinkProvider pageSinkProvider,
        Set<SystemTable> systemTables,
        List<PropertyMetadata<?>> sessionProperties,
        List<PropertyMetadata<?>> tableProperties,
        ConnectorAccessControl accessControl)
{
    this.lifeCycleManager = requireNonNull(lifeCycleManager, "lifeCycleManager is null");
    this.metadata = requireNonNull(metadata, "metadata is null");
    this.splitManager = requireNonNull(splitManager, "splitManager is null");
    this.pageSourceProvider = requireNonNull(pageSourceProvider, "pageSourceProvider is null");
    this.pageSinkProvider = requireNonNull(pageSinkProvider, "pageSinkProvider is null");
    this.systemTables = ImmutableSet.copyOf(requireNonNull(systemTables, "systemTables is null"));
    this.sessionProperties = ImmutableList.copyOf(requireNonNull(sessionProperties, "sessionProperties is null"));
    this.tableProperties = ImmutableList.copyOf(requireNonNull(tableProperties, "tableProperties is null"));
    this.accessControl = requireNonNull(accessControl, "accessControl is null");
}
 

import com.facebook.presto.spi.ConnectorMetadata; //导入依赖的package包/类
@Inject
public KafkaConnector(ConnectorMetadata metadata,
    ConnectorSplitManager splitManager,
    ConnectorRecordSetProvider recordSetProvider,
    ConnectorHandleResolver handleResolver)
{
    construct(metadata, splitManager, recordSetProvider, handleResolver);
}
 

import com.facebook.presto.spi.ConnectorMetadata; //导入依赖的package包/类
private void construct(ConnectorMetadata metadata,
    ConnectorSplitManager splitManager,
    ConnectorRecordSetProvider recordSetProvider,
    ConnectorHandleResolver handleResolver)
{
      this.metadata = checkNotNull(metadata, "metadata is null");
      this.splitManager = checkNotNull(splitManager, "splitManager is null");
      this.recordSetProvider = checkNotNull(recordSetProvider,
              "recordSetProvider is null");
      this.handleResolver = checkNotNull(handleResolver,
              "handleResolver is null");
}
 

import com.facebook.presto.spi.ConnectorMetadata; //导入依赖的package包/类
@Override
public Connector create(final String connectorId, Map<String, String> requiredConfig) {
    checkNotNull(requiredConfig, "requiredConfig is null");
    checkNotNull(optionalConfig, "optionalConfig is null");

    try {
        // // A plugin is not required to use Guice; it is just very convenient
        // Bootstrap app = new Bootstrap(new JsonModule(), new ExampleModule(connectorId));
        //
        // Injector injector = app.strictConfig().doNotInitializeLogging()
        // .setRequiredConfigurationProperties(requiredConfig)
        // .setOptionalConfigurationProperties(optionalConfig).initialize();

        ClassToInstanceMap<Object> services = ImmutableClassToInstanceMap.builder()

        .put(ConnectorMetadata.class, new CloudataConnectorMetadata(connectorId, store))

        .put(ConnectorSplitManager.class, new CloudataSplitManager(nodeManager, connectorId))

        .put(ConnectorRecordSetProvider.class, new CloudataConnectorRecordSetProvider())

        .put(ConnectorHandleResolver.class, new CloudataConnectorHandleResolver()).build();

        CloudataConnector connector = new CloudataConnector(store, services);
        connectors.put(connectorId, connector);
        return connector;
    } catch (Exception e) {
        throw Throwables.propagate(e);
    }
}
 

import com.facebook.presto.spi.ConnectorMetadata; //导入依赖的package包/类
@Override
public ConnectorMetadata getMetadata()
{
    return metadata;
}
 

import com.facebook.presto.spi.ConnectorMetadata; //导入依赖的package包/类
@Override
public ConnectorMetadata getMetadata()
{
    return jdbcMetadata;
}
 

import com.facebook.presto.spi.ConnectorMetadata; //导入依赖的package包/类
public ClassLoaderSafeConnectorMetadata(ConnectorMetadata delegate, ClassLoader classLoader)
{
    this.delegate = requireNonNull(delegate, "delegate is null");
    this.classLoader = requireNonNull(classLoader, "classLoader is null");
}
 

import com.facebook.presto.spi.ConnectorMetadata; //导入依赖的package包/类
@Override
public void configure(Binder binder)
{
    binder.bind(HiveConnectorId.class).toInstance(new HiveConnectorId(connectorId));

    binder.bind(HdfsConfigurationUpdater.class).in(Scopes.SINGLETON);
    binder.bind(HdfsConfiguration.class).to(HiveHdfsConfiguration.class).in(Scopes.SINGLETON);
    binder.bind(HdfsEnvironment.class).in(Scopes.SINGLETON);
    binder.bind(DirectoryLister.class).to(HadoopDirectoryLister.class).in(Scopes.SINGLETON);
    configBinder(binder).bindConfig(HiveClientConfig.class);

    binder.bind(HiveSessionProperties.class).in(Scopes.SINGLETON);
    binder.bind(HiveTableProperties.class).in(Scopes.SINGLETON);

    if (metastore != null) {
        binder.bind(HiveMetastore.class).toInstance(metastore);
    }
    else {
        binder.bind(HiveMetastore.class).to(CachingHiveMetastore.class).in(Scopes.SINGLETON);
        newExporter(binder).export(HiveMetastore.class)
                .as(generatedNameOf(CachingHiveMetastore.class, connectorId));
    }

    binder.bind(NamenodeStats.class).in(Scopes.SINGLETON);
    newExporter(binder).export(NamenodeStats.class).as(generatedNameOf(NamenodeStats.class));

    binder.bind(HiveMetastoreClientFactory.class).in(Scopes.SINGLETON);
    binder.bind(HiveCluster.class).to(StaticHiveCluster.class).in(Scopes.SINGLETON);
    configBinder(binder).bindConfig(StaticMetastoreConfig.class);

    binder.bind(TypeManager.class).toInstance(typeManager);
    binder.bind(PageIndexerFactory.class).toInstance(pageIndexerFactory);

    Multibinder<HiveRecordCursorProvider> recordCursorProviderBinder = Multibinder.newSetBinder(binder, HiveRecordCursorProvider.class);
    recordCursorProviderBinder.addBinding().to(OrcRecordCursorProvider.class).in(Scopes.SINGLETON);
    recordCursorProviderBinder.addBinding().to(ParquetRecordCursorProvider.class).in(Scopes.SINGLETON);
    recordCursorProviderBinder.addBinding().to(DwrfRecordCursorProvider.class).in(Scopes.SINGLETON);
    recordCursorProviderBinder.addBinding().to(ColumnarTextHiveRecordCursorProvider.class).in(Scopes.SINGLETON);
    recordCursorProviderBinder.addBinding().to(ColumnarBinaryHiveRecordCursorProvider.class).in(Scopes.SINGLETON);
    recordCursorProviderBinder.addBinding().to(GenericHiveRecordCursorProvider.class).in(Scopes.SINGLETON);

    binder.bind(HivePartitionManager.class).in(Scopes.SINGLETON);
    binder.bind(LocationService.class).to(HiveLocationService.class).in(Scopes.SINGLETON);
    binder.bind(ConnectorMetadata.class).to(HiveMetadata.class).in(Scopes.SINGLETON);
    binder.bind(ConnectorSplitManager.class).to(HiveSplitManager.class).in(Scopes.SINGLETON);
    binder.bind(ConnectorPageSourceProvider.class).to(HivePageSourceProvider.class).in(Scopes.SINGLETON);
    binder.bind(ConnectorPageSinkProvider.class).to(HivePageSinkProvider.class).in(Scopes.SINGLETON);

    jsonCodecBinder(binder).bindJsonCodec(PartitionUpdate.class);

    Multibinder<HivePageSourceFactory> pageSourceFactoryBinder = Multibinder.newSetBinder(binder, HivePageSourceFactory.class);
    pageSourceFactoryBinder.addBinding().to(RcFilePageSourceFactory.class).in(Scopes.SINGLETON);
    pageSourceFactoryBinder.addBinding().to(OrcPageSourceFactory.class).in(Scopes.SINGLETON);
    pageSourceFactoryBinder.addBinding().to(DwrfPageSourceFactory.class).in(Scopes.SINGLETON);
    pageSourceFactoryBinder.addBinding().to(ParquetPageSourceFactory.class).in(Scopes.SINGLETON);

    binder.bind(PrestoS3FileSystemStats.class).toInstance(PrestoS3FileSystem.getFileSystemStats());
    newExporter(binder).export(PrestoS3FileSystemStats.class).as(generatedNameOf(PrestoS3FileSystem.class, connectorId));
}
 

import com.facebook.presto.spi.ConnectorMetadata; //导入依赖的package包/类
@Override
public Connector create(String connectorId, Map<String, String> config)
{
    requireNonNull(config, "config is null");

    try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
        Bootstrap app = new Bootstrap(
                new NodeModule(),
                new MBeanModule(),
                new JsonModule(),
                new HiveClientModule(connectorId, metastore, typeManager, pageIndexerFactory),
                installModuleIf(
                        SecurityConfig.class,
                        security -> ALLOW_ALL_ACCESS_CONTROL.equalsIgnoreCase(security.getSecuritySystem()),
                        new NoSecurityModule()),
                installModuleIf(
                        SecurityConfig.class,
                        security -> "read-only".equalsIgnoreCase(security.getSecuritySystem()),
                        new ReadOnlySecurityModule()),
                installModuleIf(
                        SecurityConfig.class,
                        security -> "sql-standard".equalsIgnoreCase(security.getSecuritySystem()),
                        new SqlStandardSecurityModule()),
                binder -> {
                    MBeanServer platformMBeanServer = ManagementFactory.getPlatformMBeanServer();
                    binder.bind(MBeanServer.class).toInstance(new RebindSafeMBeanServer(platformMBeanServer));
                }
        );

        Injector injector = app
                .strictConfig()
                .doNotInitializeLogging()
                .setRequiredConfigurationProperties(config)
                .setOptionalConfigurationProperties(optionalConfig)
                .initialize();

        LifeCycleManager lifeCycleManager = injector.getInstance(LifeCycleManager.class);
        ConnectorMetadata metadata = injector.getInstance(ConnectorMetadata.class);
        ConnectorSplitManager splitManager = injector.getInstance(ConnectorSplitManager.class);
        ConnectorPageSourceProvider connectorPageSource = injector.getInstance(ConnectorPageSourceProvider.class);
        ConnectorPageSinkProvider pageSinkProvider = injector.getInstance(ConnectorPageSinkProvider.class);
        HiveSessionProperties hiveSessionProperties = injector.getInstance(HiveSessionProperties.class);
        HiveTableProperties hiveTableProperties = injector.getInstance(HiveTableProperties.class);
        ConnectorAccessControl accessControl = injector.getInstance(ConnectorAccessControl.class);

        return new HiveConnector(
                lifeCycleManager,
                new ClassLoaderSafeConnectorMetadata(metadata, classLoader),
                new ClassLoaderSafeConnectorSplitManager(splitManager, classLoader),
                new ClassLoaderSafeConnectorPageSourceProvider(connectorPageSource, classLoader),
                new ClassLoaderSafeConnectorPageSinkProvider(pageSinkProvider, classLoader),
                ImmutableSet.of(),
                hiveSessionProperties.getSessionProperties(),
                hiveTableProperties.getTableProperties(),
                accessControl);
    }
    catch (Exception e) {
        throw Throwables.propagate(e);
    }
}
 

import com.facebook.presto.spi.ConnectorMetadata; //导入依赖的package包/类
@Override
    public Connector create(String connectorId, Map<String, String> config)
    {
        checkNotNull(config, "config is null");

        try {
            KafkaClientModule kafkaClientModule = new KafkaClientModule(connectorId);

            Bootstrap app = new Bootstrap(
                    new NodeModule(),
                    new JsonModule(),
                    kafkaClientModule
                );

            Injector injector = app.strictConfig().doNotInitializeLogging()
                    .setRequiredConfigurationProperties(config)
                    .quiet()
                    .requireExplicitBindings(false)
                    .setOptionalConfigurationProperties(optionalConfig).initialize();

            KafkaClientConfig clientConfig = KafkaClientConfig.INSTANCE;
            KafkaPluginConfig pluginConfig = KafkaPluginConfig.INSTANCE;
            KafkaConnectorId kafkaConnectorId = KafkaConnectorId.INSTANCE;
            KafkaHiveClient hiveClient = new KafkaHiveClient(kafkaConnectorId,
                clientConfig, pluginConfig);
            KafkaMetadata kafkaMetadata = new KafkaMetadata(hiveClient, kafkaConnectorId);
            KafkaSplitManager kafkaSplitManager = new KafkaSplitManager(hiveClient, kafkaConnectorId, clientConfig);
            KafkaRecordSetProvider kafkaRecordSetProvider = new KafkaRecordSetProvider(kafkaConnectorId);
            KafkaHandleResolver kafkaHandleResolver = new KafkaHandleResolver(kafkaConnectorId);

            ConnectorMetadata connMetadata = new ClassLoaderSafeConnectorMetadata(kafkaMetadata, classLoader);
            ConnectorSplitManager connSplitManager = new ClassLoaderSafeConnectorSplitManager(kafkaSplitManager, classLoader);
            ConnectorRecordSetProvider connRecordSetProvider = new ClassLoaderSafeConnectorRecordSetProvider(kafkaRecordSetProvider, classLoader);
            ConnectorHandleResolver connHandleResolver = new ClassLoaderSafeConnectorHandleResolver(kafkaHandleResolver, classLoader);

            return new KafkaConnector(connMetadata, connSplitManager,
                connRecordSetProvider, connHandleResolver);
            
//            return injector.getInstance(KafkaConnector.class);

//            KafkaMetadata kafkaMetadata = injector.getInstance(KafkaMetadata.class);
//            KafkaSplitManager kafkaSplitManager = injector.getInstance(KafkaSplitManager.class);
//            KafkaRecordSetProvider kafkaRecordSetProvider = injector.getInstance(KafkaRecordSetProvider.class);
//            KafkaHandleResolver kafkaHandleResolver = injector.getInstance(KafkaHandleResolver.class);
//            return new KafkaConnector(kafkaMetadata, kafkaSplitManager,
//                kafkaRecordSetProvider, kafkaHandleResolver);
//            return new KafkaConnector(
//                    new ClassLoaderSafeConnectorMetadata(kafkaMetadata, classLoader),
//                    new ClassLoaderSafeConnectorSplitManager(kafkaSplitManager, classLoader),
//                    new ClassLoaderSafeConnectorRecordSetProvider(kafkaRecordSetProvider, classLoader),
//                    new ClassLoaderSafeConnectorHandleResolver(kafkaHandleResolver, classLoader));
        } catch (Exception e) {
            e.printStackTrace();
            throw Throwables.propagate(e);
        }
    }