Examples with LazySingleton io.druid.guice.LazySingleton used on opensource projects

Example 6 with LazySingleton

use of io.druid.guice.LazySingleton in project druid by druid-io.

the class JacksonModule method smileMapper.

@Provides
@LazySingleton
@Smile
public ObjectMapper smileMapper() {
    final SmileFactory smileFactory = new SmileFactory();
    smileFactory.configure(SmileGenerator.Feature.ENCODE_BINARY_AS_7BIT, false);
    smileFactory.delegateToTextual(true);
    final ObjectMapper retVal = new DefaultObjectMapper(smileFactory);
    retVal.getFactory().setCodec(retVal);
    return retVal;
}

Example 7 with LazySingleton

use of io.druid.guice.LazySingleton in project druid by druid-io.

the class CuratorModule method makeEnsembleProvider.

@Provides
@LazySingleton
public EnsembleProvider makeEnsembleProvider(CuratorConfig config, ExhibitorConfig exConfig) {
    if (exConfig.getHosts().isEmpty()) {
        return new FixedEnsembleProvider(config.getZkHosts());
    }
    return new ExhibitorEnsembleProvider(new Exhibitors(exConfig.getHosts(), exConfig.getRestPort(), newBackupProvider(config.getZkHosts())), new DefaultExhibitorRestClient(exConfig.getUseSsl()), exConfig.getRestUriPath(), exConfig.getPollingMs(), new BoundedExponentialBackoffRetry(BASE_SLEEP_TIME_MS, MAX_SLEEP_TIME_MS, MAX_RETRIES)) {

        @Override
        public void start() throws Exception {
            log.info("Poll the list of zookeeper servers for initial ensemble");
            this.pollForInitialEnsemble();
            super.start();
        }
    };
}

Example 8 with LazySingleton

use of io.druid.guice.LazySingleton in project druid by druid-io.

the class GoogleStorageDruidModule method getGoogleStorage.

@Provides
@LazySingleton
public GoogleStorage getGoogleStorage(final GoogleAccountConfig config) throws IOException, GeneralSecurityException {
    LOG.info("Building Cloud Storage Client...");
    HttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
    JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
    GoogleCredential credential = GoogleCredential.getApplicationDefault(httpTransport, jsonFactory);
    if (credential.createScopedRequired()) {
        credential = credential.createScoped(StorageScopes.all());
    }
    Storage storage = new Storage.Builder(httpTransport, jsonFactory, credential).setApplicationName(APPLICATION_NAME).build();
    return new GoogleStorage(storage);
}

Example 9 with LazySingleton

use of io.druid.guice.LazySingleton in project druid by druid-io.

the class JettyServerModule method getServer.

@Provides
@LazySingleton
public Server getServer(final Injector injector, final Lifecycle lifecycle, @Self final DruidNode node, final ServerConfig config) {
    final Server server = makeJettyServer(node, config);
    initializeServer(injector, lifecycle, server);
    return server;
}

Example 10 with LazySingleton

use of io.druid.guice.LazySingleton in project druid by druid-io.

the class SpnegoFilterConfigTest method testserde.

@Test
public void testserde() {
    Injector injector = Guice.createInjector(new Module() {

        @Override
        public void configure(Binder binder) {
            binder.install(new PropertiesModule(Arrays.asList("test.runtime.properties")));
            binder.install(new ConfigModule());
            binder.install(new DruidGuiceExtensions());
            JsonConfigProvider.bind(binder, "druid.hadoop.security.spnego", SpnegoFilterConfig.class);
        }

        @Provides
        @LazySingleton
        public ObjectMapper jsonMapper() {
            return new DefaultObjectMapper();
        }
    });
    Properties props = injector.getInstance(Properties.class);
    SpnegoFilterConfig config = injector.getInstance(SpnegoFilterConfig.class);
    Assert.assertEquals(props.getProperty("druid.hadoop.security.spnego.principal"), config.getPrincipal());
    Assert.assertEquals(props.getProperty("druid.hadoop.security.spnego.keytab"), config.getKeytab());
    Assert.assertEquals(props.getProperty("druid.hadoop.security.spnego.authToLocal"), config.getAuthToLocal());
}