Examples with Meta org.apache.calcite.avatica.Meta used on opensource projects

Example 1 with Meta

use of org.apache.calcite.avatica.Meta in project calcite-avatica by apache.

the class AlternatingRemoteMetaTest method getMeta.

private static Meta getMeta(AvaticaConnection conn) throws Exception {
    Field f = AvaticaConnection.class.getDeclaredField("meta");
    f.setAccessible(true);
    return (Meta) f.get(conn);
}

Example 2 with Meta

use of org.apache.calcite.avatica.Meta in project calcite-avatica by apache.

the class Main method start.

/**
   * Creates and starts an {@link HttpServer} using the given factory to create the Handler.
   *
   * <p>Arguments are as follows:
   * <ul>
   *   <li>args[0]: the {@link org.apache.calcite.avatica.Meta.Factory} class
   *       name
   *   <li>args[1+]: arguments passed along to
   *   {@link org.apache.calcite.avatica.Meta.Factory#create(java.util.List)}
   * </ul>
   *
   * @param args Command-line arguments
   * @param port Server port to bind
   * @param handlerFactory Factory to create the handler used by the server
   */
public static HttpServer start(String[] args, int port, HandlerFactory handlerFactory) throws ClassNotFoundException, InstantiationException, IllegalAccessException, NoSuchMethodException, InvocationTargetException {
    String factoryClassName = args[0];
    @SuppressWarnings("unchecked") Class<Meta.Factory> factoryClass = (Class<Meta.Factory>) Class.forName(factoryClassName);
    Meta.Factory factory = factoryClass.getConstructor().newInstance();
    Meta meta = factory.create(Arrays.asList(args).subList(1, args.length));
    Service service = new LocalService(meta);
    HttpServer server = new HttpServer(port, HttpServer.wrapJettyHandler(handlerFactory.createHandler(service)));
    server.start();
    return server;
}

Example 3 with Meta

use of org.apache.calcite.avatica.Meta in project calcite-avatica by apache.

the class RemoteMetaTest method getMeta.

private static Meta getMeta(AvaticaConnection conn) throws Exception {
    Field f = AvaticaConnection.class.getDeclaredField("meta");
    f.setAccessible(true);
    return (Meta) f.get(conn);
}

Example 4 with Meta

use of org.apache.calcite.avatica.Meta in project phoenix by apache.

the class QueryServer method run.

@Override
public int run(String[] args) throws Exception {
    logProcessInfo(getConf());
    try {
        final boolean isKerberos = "kerberos".equalsIgnoreCase(getConf().get(QueryServices.QUERY_SERVER_HBASE_SECURITY_CONF_ATTRIB));
        final boolean disableSpnego = getConf().getBoolean(QueryServices.QUERY_SERVER_SPNEGO_AUTH_DISABLED_ATTRIB, QueryServicesOptions.DEFAULT_QUERY_SERVER_SPNEGO_AUTH_DISABLED);
        // handle secure cluster credentials
        if (isKerberos && !disableSpnego) {
            String hostname = Strings.domainNamePointerToHostName(DNS.getDefaultHost(getConf().get(QueryServices.QUERY_SERVER_DNS_INTERFACE_ATTRIB, "default"), getConf().get(QueryServices.QUERY_SERVER_DNS_NAMESERVER_ATTRIB, "default")));
            if (LOG.isDebugEnabled()) {
                LOG.debug("Login to " + hostname + " using " + getConf().get(QueryServices.QUERY_SERVER_KEYTAB_FILENAME_ATTRIB) + " and principal " + getConf().get(QueryServices.QUERY_SERVER_KERBEROS_PRINCIPAL_ATTRIB) + ".");
            }
            SecurityUtil.login(getConf(), QueryServices.QUERY_SERVER_KEYTAB_FILENAME_ATTRIB, QueryServices.QUERY_SERVER_KERBEROS_PRINCIPAL_ATTRIB, hostname);
            LOG.info("Login successful.");
        }
        Class<? extends PhoenixMetaFactory> factoryClass = getConf().getClass(QueryServices.QUERY_SERVER_META_FACTORY_ATTRIB, PhoenixMetaFactoryImpl.class, PhoenixMetaFactory.class);
        int port = getConf().getInt(QueryServices.QUERY_SERVER_HTTP_PORT_ATTRIB, QueryServicesOptions.DEFAULT_QUERY_SERVER_HTTP_PORT);
        LOG.debug("Listening on port " + port);
        PhoenixMetaFactory factory = factoryClass.getDeclaredConstructor(Configuration.class).newInstance(getConf());
        Meta meta = factory.create(Arrays.asList(args));
        Service service = new LocalService(meta);
        // Start building the Avatica HttpServer
        final HttpServer.Builder builder = new HttpServer.Builder().withPort(port).withHandler(service, getSerialization(getConf()));
        // Enable SPNEGO and Impersonation when using Kerberos
        if (isKerberos) {
            UserGroupInformation ugi = UserGroupInformation.getLoginUser();
            // Make sure the proxyuser configuration is up to date
            ProxyUsers.refreshSuperUserGroupsConfiguration(getConf());
            String keytabPath = getConf().get(QueryServices.QUERY_SERVER_KEYTAB_FILENAME_ATTRIB);
            File keytab = new File(keytabPath);
            String realmsString = getConf().get(QueryServices.QUERY_SERVER_KERBEROS_ALLOWED_REALMS, null);
            String[] additionalAllowedRealms = null;
            if (null != realmsString) {
                additionalAllowedRealms = StringUtils.split(realmsString, ',');
            }
            // Enable SPNEGO and impersonation (through standard Hadoop configuration means)
            builder.withSpnego(ugi.getUserName(), additionalAllowedRealms).withAutomaticLogin(keytab).withImpersonation(new PhoenixDoAsCallback(ugi, getConf()));
        }
        // Build and start the HttpServer
        server = builder.build();
        server.start();
        runningLatch.countDown();
        server.join();
        return 0;
    } catch (Throwable t) {
        LOG.fatal("Unrecoverable service error. Shutting down.", t);
        this.t = t;
        return -1;
    }
}