Examples with Name org.wso2.ballerinalang.compiler.util.Name used on opensource projects

Example 1 with Name

use of org.wso2.ballerinalang.compiler.util.Name in project jaggery by wso2.

the class DatabaseHostObject method jsConstructor.

public static Scriptable jsConstructor(Context cx, Object[] args, Function ctorObj, boolean inNewExpr) throws ScriptException {
    int argsCount = args.length;
    DatabaseHostObject db = new DatabaseHostObject();
    //args count 1 for dataSource name
    if (argsCount != 1 && argsCount != 3 && argsCount != 4) {
        HostObjectUtil.invalidNumberOfArgs(hostObjectName, hostObjectName, argsCount, true);
    }
    if (!(args[0] instanceof String)) {
        HostObjectUtil.invalidArgsError(hostObjectName, hostObjectName, "1", "string", args[0], true);
    }
    if (argsCount == 1) {
        String dataSourceName = (String) args[0];
        DataSourceManager dataSourceManager = new DataSourceManager();
        try {
            CarbonDataSource carbonDataSource = dataSourceManager.getInstance().getDataSourceRepository().getDataSource(dataSourceName);
            DataSource dataSource = (DataSource) carbonDataSource.getDSObject();
            db.conn = dataSource.getConnection();
            db.context = cx;
            return db;
        } catch (DataSourceException e) {
            log.error("Failed to access datasource " + dataSourceName, e);
        } catch (SQLException e) {
            log.error("Failed to get connection", e);
        }
    }
    if (!(args[1] instanceof String)) {
        HostObjectUtil.invalidArgsError(hostObjectName, hostObjectName, "2", "string", args[1], true);
    }
    if (!(args[2] instanceof String) && !(args[2] instanceof Integer)) {
        HostObjectUtil.invalidArgsError(hostObjectName, hostObjectName, "3", "string", args[2], true);
    }
    NativeObject configs = null;
    if (argsCount == 4) {
        if (!(args[3] instanceof NativeObject)) {
            HostObjectUtil.invalidArgsError(hostObjectName, hostObjectName, "4", "object", args[3], true);
        }
        configs = (NativeObject) args[3];
    }
    String dbUrl = (String) args[0];
    RDBMSConfiguration rdbmsConfig = new RDBMSConfiguration();
    try {
        if (configs != null) {
            Gson gson = new Gson();
            rdbmsConfig = gson.fromJson(HostObjectUtil.serializeJSON(configs), RDBMSConfiguration.class);
        }
        if (rdbmsConfig.getDriverClassName() == null || rdbmsConfig.getDriverClassName().equals("")) {
            rdbmsConfig.setDriverClassName(getDriverClassName(dbUrl));
        }
        rdbmsConfig.setUsername((String) args[1]);
        rdbmsConfig.setPassword((String) args[2]);
        rdbmsConfig.setUrl(dbUrl);
        try {
            rdbmsDataSource = new RDBMSDataSource(rdbmsConfig);
        } catch (DataSourceException e) {
            throw new ScriptException(e);
        }
        db.conn = rdbmsDataSource.getDataSource().getConnection();
        db.context = cx;
        return db;
    } catch (SQLException e) {
        String msg = "Error connecting to the database : " + dbUrl;
        log.warn(msg, e);
        throw new ScriptException(msg, e);
    }
}

Example 2 with Name

use of org.wso2.ballerinalang.compiler.util.Name in project siddhi by wso2.

the class SiddhiDebuggerClient method start.

/**
 * Start the {@link SiddhiDebuggerClient} and configure the breakpoints.
 *
 * @param siddhiApp the Siddhi query
 * @param input         the user input as a whole text
 */
public void start(final String siddhiApp, String input) {
    SiddhiManager siddhiManager = new SiddhiManager();
    info("Deploying the siddhi app");
    final SiddhiAppRuntime siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(siddhiApp);
    // Add callbacks for all the streams
    final Set<String> streamNames = SiddhiCompiler.parse(siddhiApp).getStreamDefinitionMap().keySet();
    for (String streamName : streamNames) {
        final String stream = streamName;
        siddhiAppRuntime.addCallback(stream, new StreamCallback() {

            @Override
            public void receive(Event[] events) {
                info("@Receive: Stream: " + stream + ", Event: " + Arrays.deepToString(events));
            }
        });
    }
    SiddhiDebugger siddhiDebugger = siddhiAppRuntime.debug();
    final InputFeeder inputFeeder = new InputFeeder(siddhiAppRuntime, input);
    System.out.println("Configure the breakpoints.\nYou can use the following commands:\n - " + ADD_BREAKPOINT + "<query name>:<IN/OUT>\n - " + REMOVE_BREAKPOINT + "<query name>:<IN/OUT>\n - " + START + "\n - " + STOP);
    printNextLine();
    final Scanner scanner = new Scanner(System.in, "UTF-8");
    while (scanner.hasNextLine()) {
        String userInput = scanner.nextLine().trim();
        String command = userInput.toLowerCase();
        if (command.startsWith(ADD_BREAKPOINT)) {
            if (!command.contains(QUERY_DELIMITER)) {
                error("Invalid add query. The query must be " + ADD_BREAKPOINT + "<query " + "name>:<IN/OUT>. Please try again");
                printNextLine();
                continue;
            }
            String[] components = userInput.substring(ADD_BREAKPOINT.length(), userInput.length()).split(QUERY_DELIMITER);
            String queryName = components[0];
            String terminal = components[1].toLowerCase();
            if (IN.equals(terminal)) {
                siddhiDebugger.acquireBreakPoint(queryName, SiddhiDebugger.QueryTerminal.IN);
                info("Added a breakpoint at the IN terminal of " + queryName);
                printNextLine();
            } else if (OUT.equals(terminal)) {
                siddhiDebugger.acquireBreakPoint(queryName, SiddhiDebugger.QueryTerminal.OUT);
                info("Added a breakpoint at the OUT terminal of " + queryName);
                printNextLine();
            } else {
                error("The terminal must be either IN or OUT but found: " + terminal.toUpperCase() + ". Please try again");
                printNextLine();
            }
        } else if (command.startsWith(REMOVE_BREAKPOINT)) {
            if (!command.contains(QUERY_DELIMITER)) {
                error("Invalid add query. The query must be " + REMOVE_BREAKPOINT + "<query " + "name>:<IN/OUT>. Please try again");
                printNextLine();
                continue;
            }
            String[] components = command.substring(ADD_BREAKPOINT.length(), command.length()).split(QUERY_DELIMITER);
            String queryName = components[0];
            String terminal = components[1];
            if (IN.equals(terminal)) {
                siddhiDebugger.releaseBreakPoint(queryName, SiddhiDebugger.QueryTerminal.IN);
                info("Removed the breakpoint at the IN terminal of " + queryName);
                printNextLine();
            } else if (OUT.equals(terminal)) {
                siddhiDebugger.releaseBreakPoint(queryName, SiddhiDebugger.QueryTerminal.OUT);
                info("Removed the breakpoint at the OUT terminal of " + queryName);
                printNextLine();
            } else {
                error("The terminal must be either IN or OUT but found: " + terminal.toUpperCase());
                printNextLine();
            }
        } else if (STOP.equals(command)) {
            inputFeeder.stop();
            siddhiAppRuntime.shutdown();
            break;
        } else if (START.equals(command)) {
            inputFeeder.start();
            info("Siddhi Debugger starts sending input to Siddhi");
            System.out.println("You can use the following commands:\n - " + NEXT + "\n - " + PLAY + "\n - " + STATE + ":<query name>\n - " + STOP);
            break;
        } else {
            error("Invalid command: " + command);
            printNextLine();
        }
    }
    siddhiDebugger.setDebuggerCallback(new SiddhiDebuggerCallback() {

        @Override
        public void debugEvent(ComplexEvent event, String queryName, SiddhiDebugger.QueryTerminal queryTerminal, SiddhiDebugger debugger) {
            info("@Debug: Query: " + queryName + ", Terminal: " + queryTerminal + ", Event: " + event);
            printNextLine();
            while (scanner.hasNextLine()) {
                String command = scanner.nextLine().trim().toLowerCase();
                if (STOP.equals(command)) {
                    debugger.releaseAllBreakPoints();
                    debugger.play();
                    inputFeeder.stop();
                    siddhiAppRuntime.shutdown();
                    break;
                } else if (NEXT.equals(command)) {
                    debugger.next();
                    break;
                } else if (PLAY.equals(command)) {
                    debugger.play();
                    break;
                } else if (command.startsWith(STATE)) {
                    if (!command.contains(QUERY_DELIMITER)) {
                        error("Invalid get state request. The query must be " + STATE + ":<query " + "name>. Please try again");
                        printNextLine();
                        continue;
                    }
                    String[] components = command.split(QUERY_DELIMITER);
                    String requestQueryName = components[1];
                    Map<String, Object> state = debugger.getQueryState(requestQueryName.trim());
                    System.out.println("Query '" + requestQueryName + "' state : ");
                    for (Map.Entry<String, Object> entry : state.entrySet()) {
                        System.out.println("    '" + entry.getKey() + "' : " + entry.getValue());
                    }
                    printNextLine();
                    continue;
                } else {
                    error("Invalid command: " + command);
                    printNextLine();
                }
            }
        }
    });
    inputFeeder.join();
    if (inputFeeder.isRunning()) {
        info("Input feeder has sopped sending all inputs. If you want to stop the execution, use " + "the STOP command");
        printNextLine();
        while (scanner.hasNextLine()) {
            String command = scanner.nextLine().trim().toLowerCase();
            if (STOP.equals(command)) {
                inputFeeder.stop();
                siddhiAppRuntime.shutdown();
                break;
            } else {
                error("Invalid command: " + command);
                printNextLine();
            }
        }
    }
    scanner.close();
    info("Siddhi Debugger is stopped successfully");
}

Example 3 with Name

use of org.wso2.ballerinalang.compiler.util.Name in project siddhi by wso2.

the class SiddhiAppRuntime method addCallback.

public void addCallback(String queryName, QueryCallback callback) {
    callback.setContext(siddhiAppContext);
    QueryRuntime queryRuntime = queryProcessorMap.get(queryName);
    if (queryRuntime == null) {
        throw new QueryNotExistException("No query found with name: " + queryName);
    }
    callback.setQuery(queryRuntime.getQuery());
    queryRuntime.addCallback(callback);
}

Example 4 with Name

use of org.wso2.ballerinalang.compiler.util.Name in project siddhi by wso2.

the class SiddhiAnnotationProcessor method process.

@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
    // Iterate over all @Extension annotated elements.
    for (Element element : roundEnv.getElementsAnnotatedWith(Extension.class)) {
        // Check if a class has been annotated with @Extension.
        if (element.getKind() == ElementKind.CLASS) {
            String superClass = getMatchingSuperClass(element, new String[] { AnnotationConstants.SINK_MAPPER_SUPER_CLASS, AnnotationConstants.SINK_SUPER_CLASS, AnnotationConstants.FUNCTION_EXECUTOR_SUPER_CLASS, AnnotationConstants.AGGREGATION_ATTRIBUTE_SUPER_CLASS, AnnotationConstants.DISTRIBUTION_STRATEGY_SUPER_CLASS, AnnotationConstants.STREAM_PROCESSOR_SUPER_CLASS, AnnotationConstants.STREAM_FUNCTION_PROCESSOR_SUPER_CLASS, AnnotationConstants.STORE_SUPER_CLASS, AnnotationConstants.SOURCE_SUPER_CLASS, AnnotationConstants.SOURCE_MAPPER_SUPER_CLASS, AnnotationConstants.WINDOW_PROCESSOR_CLASS, AnnotationConstants.SCRIPT_SUPER_CLASS, AnnotationConstants.INCREMENTAL_ATTRIBUTE_AGGREGATOR_SUPER_CLASS });
            AbstractAnnotationProcessor abstractAnnotationProcessor = null;
            Extension annotation = element.getAnnotation(Extension.class);
            String name = annotation.name();
            String description = annotation.description();
            String namespace = annotation.namespace();
            Parameter[] parameters = annotation.parameters();
            ReturnAttribute[] returnAttributes = annotation.returnAttributes();
            SystemParameter[] systemParameters = annotation.systemParameter();
            Example[] examples = annotation.examples();
            String extensionClassFullName = element.asType().toString();
            if (superClass != null) {
                switch(superClass) {
                    case AnnotationConstants.DISTRIBUTION_STRATEGY_SUPER_CLASS:
                        abstractAnnotationProcessor = new DistributionStrategyValidationAnnotationProcessor(extensionClassFullName);
                        break;
                    case AnnotationConstants.SINK_MAPPER_SUPER_CLASS:
                        abstractAnnotationProcessor = new SinkMapperValidationAnnotationProcessor(extensionClassFullName);
                        break;
                    case AnnotationConstants.SINK_SUPER_CLASS:
                        abstractAnnotationProcessor = new SinkValidationAnnotationProcessor(extensionClassFullName);
                        break;
                    case AnnotationConstants.FUNCTION_EXECUTOR_SUPER_CLASS:
                        abstractAnnotationProcessor = new FunctionExecutorValidationAnnotationProcessor(extensionClassFullName);
                        break;
                    case AnnotationConstants.AGGREGATION_ATTRIBUTE_SUPER_CLASS:
                        abstractAnnotationProcessor = new AggregationAttributeValidationAnnotationProcessor(extensionClassFullName);
                        break;
                    case AnnotationConstants.STREAM_PROCESSOR_SUPER_CLASS:
                        abstractAnnotationProcessor = new StreamProcessorValidationAnnotationProcessor(extensionClassFullName);
                        break;
                    case AnnotationConstants.SOURCE_SUPER_CLASS:
                        abstractAnnotationProcessor = new SourceValidationAnnotationProcessor(extensionClassFullName);
                        break;
                    case AnnotationConstants.SOURCE_MAPPER_SUPER_CLASS:
                        abstractAnnotationProcessor = new SourceMapperValidationAnnotationProcessor(extensionClassFullName);
                        break;
                    case AnnotationConstants.STORE_SUPER_CLASS:
                        abstractAnnotationProcessor = new StoreValidationAnnotationProcessor(extensionClassFullName);
                        break;
                    case AnnotationConstants.STREAM_FUNCTION_PROCESSOR_SUPER_CLASS:
                        abstractAnnotationProcessor = new StreamFunctionProcessorValidationAnnotationProcessor(extensionClassFullName);
                        break;
                    case AnnotationConstants.WINDOW_PROCESSOR_CLASS:
                        abstractAnnotationProcessor = new WindowProcessorValidationAnnotationProcessor(extensionClassFullName);
                        break;
                    case AnnotationConstants.SCRIPT_SUPER_CLASS:
                        abstractAnnotationProcessor = new ScriptValidationAnnotationProcessor(extensionClassFullName);
                        break;
                    case AnnotationConstants.INCREMENTAL_ATTRIBUTE_AGGREGATOR_SUPER_CLASS:
                        abstractAnnotationProcessor = new IncrementalAggregationAttributeValidationAnnotationProcessor(extensionClassFullName);
                        break;
                    default:
                        // Throw error if no matching super class.
                        showBuildError(MessageFormat.format("Default switch case executed as there is no " + "matching super class option for @{0}.", superClass), element);
                        break;
                }
                if (abstractAnnotationProcessor != null) {
                    try {
                        abstractAnnotationProcessor.basicParameterValidation(name, description, namespace);
                        abstractAnnotationProcessor.parameterValidation(parameters);
                        abstractAnnotationProcessor.returnAttributesValidation(returnAttributes);
                        abstractAnnotationProcessor.systemParametersValidation(systemParameters);
                        abstractAnnotationProcessor.examplesValidation(examples);
                    } catch (AnnotationValidationException e) {
                        showBuildError(e.getMessage(), element);
                    }
                } else {
                    showBuildError(MessageFormat.format("Error while validation, " + "abstractAnnotationProcessor cannot be null.", superClass), element);
                }
            } else {
                // Throw error if no matching super class.
                showBuildError("Class does not have a matching Siddhi Extension super class.", element);
            }
        } else {
            // Throw error if the element returned is method or package.
            showBuildError(MessageFormat.format("Only classes can be annotated with @{0}.", Extension.class.getCanonicalName()), element);
        }
    }
    // Returning false since this processor only validates.
    return false;
}

Example 5 with Name

use of org.wso2.ballerinalang.compiler.util.Name in project siddhi by wso2.

the class SingleInputStreamParser method parseInputStream.

/**
 * Parse single InputStream and return SingleStreamRuntime
 *
 * @param inputStream                 single input stream to be parsed
 * @param siddhiAppContext            query to be parsed
 * @param variableExpressionExecutors List to hold VariableExpressionExecutors to update after query parsing
 * @param streamDefinitionMap         Stream Definition Map
 * @param tableDefinitionMap          Table Definition Map
 * @param windowDefinitionMap         window definition map
 * @param aggregationDefinitionMap    aggregation definition map
 * @param tableMap                    Table Map
 * @param metaComplexEvent            MetaComplexEvent
 * @param processStreamReceiver       ProcessStreamReceiver
 * @param supportsBatchProcessing     supports batch processing
 * @param outputExpectsExpiredEvents  is output expects ExpiredEvents
 * @param queryName                   query name of single input stream belongs to.
 *
 * @return SingleStreamRuntime
 */
public static SingleStreamRuntime parseInputStream(SingleInputStream inputStream, SiddhiAppContext siddhiAppContext, List<VariableExpressionExecutor> variableExpressionExecutors, Map<String, AbstractDefinition> streamDefinitionMap, Map<String, AbstractDefinition> tableDefinitionMap, Map<String, AbstractDefinition> windowDefinitionMap, Map<String, AbstractDefinition> aggregationDefinitionMap, Map<String, Table> tableMap, MetaComplexEvent metaComplexEvent, ProcessStreamReceiver processStreamReceiver, boolean supportsBatchProcessing, boolean outputExpectsExpiredEvents, String queryName) {
    Processor processor = null;
    EntryValveProcessor entryValveProcessor = null;
    boolean first = true;
    MetaStreamEvent metaStreamEvent;
    if (metaComplexEvent instanceof MetaStateEvent) {
        metaStreamEvent = new MetaStreamEvent();
        ((MetaStateEvent) metaComplexEvent).addEvent(metaStreamEvent);
        initMetaStreamEvent(inputStream, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, metaStreamEvent);
    } else {
        metaStreamEvent = (MetaStreamEvent) metaComplexEvent;
        initMetaStreamEvent(inputStream, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, metaStreamEvent);
    }
    // A window cannot be defined for a window stream
    if (!inputStream.getStreamHandlers().isEmpty() && windowDefinitionMap != null && windowDefinitionMap.containsKey(inputStream.getStreamId())) {
        for (StreamHandler handler : inputStream.getStreamHandlers()) {
            if (handler instanceof Window) {
                throw new OperationNotSupportedException("Cannot create " + ((Window) handler).getName() + " " + "window for the window stream " + inputStream.getStreamId());
            }
        }
    }
    if (!inputStream.getStreamHandlers().isEmpty()) {
        for (StreamHandler handler : inputStream.getStreamHandlers()) {
            Processor currentProcessor = generateProcessor(handler, metaComplexEvent, variableExpressionExecutors, siddhiAppContext, tableMap, supportsBatchProcessing, outputExpectsExpiredEvents, queryName);
            if (currentProcessor instanceof SchedulingProcessor) {
                if (entryValveProcessor == null) {
                    entryValveProcessor = new EntryValveProcessor(siddhiAppContext);
                    if (first) {
                        processor = entryValveProcessor;
                        first = false;
                    } else {
                        processor.setToLast(entryValveProcessor);
                    }
                }
                Scheduler scheduler = SchedulerParser.parse(siddhiAppContext.getScheduledExecutorService(), entryValveProcessor, siddhiAppContext);
                ((SchedulingProcessor) currentProcessor).setScheduler(scheduler);
            }
            if (first) {
                processor = currentProcessor;
                first = false;
            } else {
                processor.setToLast(currentProcessor);
            }
        }
    }
    metaStreamEvent.initializeAfterWindowData();
    return new SingleStreamRuntime(processStreamReceiver, processor, metaComplexEvent);
}