Examples with CCMessageBroker org.apache.asterix.messaging.CCMessageBroker used on opensource projects

Example 1 with CCMessageBroker

use of org.apache.asterix.messaging.CCMessageBroker in project asterixdb by apache.

the class CCApplication method start.

@Override
public void start(IServiceContext serviceCtx, String[] args) throws Exception {
    if (args.length > 0) {
        throw new IllegalArgumentException("Unrecognized argument(s): " + Arrays.toString(args));
    }
    final ClusterControllerService controllerService = (ClusterControllerService) serviceCtx.getControllerService();
    this.ccServiceCtx = (ICCServiceContext) serviceCtx;
    ccServiceCtx.setMessageBroker(new CCMessageBroker(controllerService));
    configureLoggingLevel(ccServiceCtx.getAppConfig().getLoggingLevel(ExternalProperties.Option.LOG_LEVEL));
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("Starting Asterix cluster controller");
    }
    ccServiceCtx.setThreadFactory(new AsterixThreadFactory(ccServiceCtx.getThreadFactory(), new LifeCycleComponentManager()));
    ILibraryManager libraryManager = new ExternalLibraryManager();
    ResourceIdManager resourceIdManager = new ResourceIdManager();
    IReplicationStrategy repStrategy = ClusterProperties.INSTANCE.getReplicationStrategy();
    IFaultToleranceStrategy ftStrategy = FaultToleranceStrategyFactory.create(ClusterProperties.INSTANCE.getCluster(), repStrategy, ccServiceCtx);
    ExternalLibraryUtils.setUpExternaLibraries(libraryManager, false);
    componentProvider = new StorageComponentProvider();
    GlobalRecoveryManager.instantiate(ccServiceCtx, getHcc(), componentProvider);
    statementExecutorCtx = new StatementExecutorContext();
    appCtx = new CcApplicationContext(ccServiceCtx, getHcc(), libraryManager, resourceIdManager, () -> MetadataManager.INSTANCE, GlobalRecoveryManager.instance(), ftStrategy, new ActiveLifecycleListener(), componentProvider);
    ClusterStateManager.INSTANCE.setCcAppCtx(appCtx);
    ccExtensionManager = new CCExtensionManager(getExtensions());
    appCtx.setExtensionManager(ccExtensionManager);
    final CCConfig ccConfig = controllerService.getCCConfig();
    if (System.getProperty("java.rmi.server.hostname") == null) {
        System.setProperty("java.rmi.server.hostname", ccConfig.getClusterListenAddress());
    }
    MetadataProperties metadataProperties = appCtx.getMetadataProperties();
    setAsterixStateProxy(AsterixStateProxy.registerRemoteObject(metadataProperties.getMetadataCallbackPort()));
    ccServiceCtx.setDistributedState(proxy);
    MetadataManager.initialize(proxy, metadataProperties);
    ccServiceCtx.addJobLifecycleListener(appCtx.getActiveLifecycleListener());
    // create event loop groups
    webManager = new WebManager();
    configureServers();
    webManager.start();
    ClusterManagerProvider.getClusterManager().registerSubscriber(GlobalRecoveryManager.instance());
    ccServiceCtx.addClusterLifecycleListener(new ClusterLifecycleListener(appCtx));
    jobCapacityController = new JobCapacityController(controllerService.getResourceManager());
}

Example 2 with CCMessageBroker

use of org.apache.asterix.messaging.CCMessageBroker in project asterixdb by apache.

the class ExecuteStatementRequestMessage method handle.

@Override
public void handle(ICcApplicationContext ccAppCtx) throws HyracksDataException, InterruptedException {
    ICCServiceContext ccSrvContext = ccAppCtx.getServiceContext();
    ClusterControllerService ccSrv = (ClusterControllerService) ccSrvContext.getControllerService();
    CCApplication ccApp = (CCApplication) ccSrv.getApplication();
    CCMessageBroker messageBroker = (CCMessageBroker) ccSrvContext.getMessageBroker();
    CCExtensionManager ccExtMgr = (CCExtensionManager) ccAppCtx.getExtensionManager();
    ILangCompilationProvider compilationProvider = ccExtMgr.getCompilationProvider(lang);
    IStorageComponentProvider storageComponentProvider = ccAppCtx.getStorageComponentProvider();
    IStatementExecutorFactory statementExecutorFactory = ccApp.getStatementExecutorFactory();
    IStatementExecutorContext statementExecutorContext = ccApp.getStatementExecutorContext();
    ccSrv.getExecutor().submit(() -> {
        ExecuteStatementResponseMessage responseMsg = new ExecuteStatementResponseMessage(requestMessageId);
        try {
            final IClusterManagementWork.ClusterState clusterState = ClusterStateManager.INSTANCE.getState();
            if (clusterState != IClusterManagementWork.ClusterState.ACTIVE) {
                throw new IllegalStateException("Cannot execute request, cluster is " + clusterState);
            }
            IParser parser = compilationProvider.getParserFactory().createParser(statementsText);
            List<Statement> statements = parser.parse();
            StringWriter outWriter = new StringWriter(256);
            PrintWriter outPrinter = new PrintWriter(outWriter);
            SessionOutput.ResultDecorator resultPrefix = ResultUtil.createPreResultDecorator();
            SessionOutput.ResultDecorator resultPostfix = ResultUtil.createPostResultDecorator();
            SessionOutput.ResultAppender appendHandle = ResultUtil.createResultHandleAppender(handleUrl);
            SessionOutput.ResultAppender appendStatus = ResultUtil.createResultStatusAppender();
            SessionOutput sessionOutput = new SessionOutput(sessionConfig, outPrinter, resultPrefix, resultPostfix, appendHandle, appendStatus);
            IStatementExecutor.ResultMetadata outMetadata = new IStatementExecutor.ResultMetadata();
            MetadataManager.INSTANCE.init();
            IStatementExecutor translator = statementExecutorFactory.create(ccAppCtx, statements, sessionOutput, compilationProvider, storageComponentProvider);
            translator.compileAndExecute(ccAppCtx.getHcc(), null, delivery, outMetadata, new IStatementExecutor.Stats(), clientContextID, statementExecutorContext);
            outPrinter.close();
            responseMsg.setResult(outWriter.toString());
            responseMsg.setMetadata(outMetadata);
        } catch (AlgebricksException | HyracksException | TokenMgrError | org.apache.asterix.aqlplus.parser.TokenMgrError pe) {
            // we trust that "our" exceptions are serializable and have a comprehensible error message
            GlobalConfig.ASTERIX_LOGGER.log(Level.WARNING, pe.getMessage(), pe);
            responseMsg.setError(pe);
        } catch (Exception e) {
            GlobalConfig.ASTERIX_LOGGER.log(Level.SEVERE, "Unexpected exception", e);
            responseMsg.setError(new Exception(e.toString()));
        }
        try {
            messageBroker.sendApplicationMessageToNC(responseMsg, requestNodeId);
        } catch (Exception e) {
            LOGGER.log(Level.WARNING, e.toString(), e);
        }
    });
}