Java DiscoveryModule類代碼示例

import io.airlift.discovery.client.DiscoveryModule; //導入依賴的package包/類
public static void main(String[] args)
        throws Exception
{
    if (System.getProperty("config", null) == null) {
        System.setProperty("config", "etc/agent.properties");
    }

    Bootstrap bootstrap = new Bootstrap(
            new NodeModule(),
            new DiscoveryModule(),
            new HttpServerModule(),
            new JsonModule(),
            new JaxrsModule(true), // requireExplicitBindings = true
            new HttpEventModule(),
            new JsonReaderModule(false),
            new DynamicAnnouncementModule(),
            new AgentServerModule()
    );

    try {
        Injector injector = bootstrap.strictConfig().initialize();
        injector.getInstance(Announcer.class).start();
    }
    catch (Exception e) {
        LOG.error(e, "Error starting server");
    }
}
 

import io.airlift.discovery.client.DiscoveryModule; //導入依賴的package包/類
public static void main(String[] args)
        throws Exception
{
    if (System.getProperty("config", null) == null) {
        System.setProperty("config", "etc/controller.properties");
    }

    Bootstrap bootstrap = new Bootstrap(
            new NodeModule(),
            new DiscoveryModule(),
            new DiscoveryServerModule(),
            new HttpEventModule(),
            new HttpServerModule(),
            new JsonModule(),
            new JaxrsModule(true), // requireExplicitBindings = true'
            new JmxModule(),
            new MBeanModule(),
            new JsonReaderModule(false),
            new ControllerServerModule()
    );

    try {
        bootstrap.strictConfig().initialize();
    }
    catch (Exception e) {
        LOG.error(e, "Error starting server");
    }
}
 

import io.airlift.discovery.client.DiscoveryModule; //導入依賴的package包/類
public TestingDiscoveryServer(String environment)
        throws Exception
{
    tempDir = Files.createTempDir();

    Map<String, String> serverProperties = ImmutableMap.<String, String>builder()
            .put("static.db.location", tempDir.getAbsolutePath())
            .put("discovery.store-cache-ttl", "0ms")
            .build();

    Bootstrap app = new Bootstrap(
            new MBeanModule(),
            new TestingNodeModule(environment),
            new TestingHttpServerModule(),
            new JsonModule(),
            new JaxrsModule(true),
            new DiscoveryServerModule(),
            new DiscoveryModule(),
            new TestingJmxModule());

    Injector injector = app
            .strictConfig()
            .doNotInitializeLogging()
            .setRequiredConfigurationProperties(serverProperties)
            .initialize();

    lifeCycleManager = injector.getInstance(LifeCycleManager.class);

    server = injector.getInstance(TestingHttpServer.class);
}
 

import io.airlift.discovery.client.DiscoveryModule; //導入依賴的package包/類
@Override
public void run()
{
    verifyJvmRequirements();
    verifySystemTimeIsReasonable();

    Logger log = Logger.get(PrestoServer.class);

    ImmutableList.Builder<Module> modules = ImmutableList.builder();
    modules.add(
            new NodeModule(),
            new DiscoveryModule(),
            new HttpServerModule(),
            new JsonModule(),
            new JaxrsModule(true),
            new MBeanModule(),
            new JmxModule(),
            new JmxHttpModule(),
            new LogJmxModule(),
            new TraceTokenModule(),
            new JsonEventModule(),
            new HttpEventModule(),
            new EmbeddedDiscoveryModule(),
            new ServerSecurityModule(),
            new AccessControlModule(),
            new ServerMainModule(sqlParserOptions),
            new GracefulShutdownModule(),
            installModuleIf(
                    NodeSchedulerConfig.class,
                    config -> LEGACY_NETWORK_TOPOLOGY.equalsIgnoreCase(config.getNetworkTopology()),
                    binder -> binder.bind(NetworkTopology.class).to(LegacyNetworkTopology.class).in(Scopes.SINGLETON)),
            installModuleIf(
                    NodeSchedulerConfig.class,
                    config -> "flat".equalsIgnoreCase(config.getNetworkTopology()),
                    binder -> binder.bind(NetworkTopology.class).to(FlatNetworkTopology.class).in(Scopes.SINGLETON))

    );

    modules.addAll(getAdditionalModules());

    Bootstrap app = new Bootstrap(modules.build());

    try {
        Injector injector = app.strictConfig().initialize();

        injector.getInstance(PluginManager.class).loadPlugins();

        injector.getInstance(CatalogManager.class).loadCatalogs();

        // TODO: remove this huge hack
        updateDatasources(
                injector.getInstance(Announcer.class),
                injector.getInstance(Metadata.class),
                injector.getInstance(ServerConfig.class),
                injector.getInstance(NodeSchedulerConfig.class));

        injector.getInstance(AccessControlManager.class).loadSystemAccessControl();

        injector.getInstance(Announcer.class).start();

        log.info("======== SERVER STARTED ========");
    }
    catch (Throwable e) {
        log.error(e);
        System.exit(1);
    }
}