Examples with Sink org.ballerinalang.siddhi.core.stream.output.sink.Sink used on opensource projects

Example 1 with Sink

use of org.ballerinalang.siddhi.core.stream.output.sink.Sink in project ballerina by ballerina-lang.

the class MultiClientDistributedSink method initTransport.

@Override
public void initTransport(OptionHolder sinkOptionHolder, List<OptionHolder> destinationOptionHolders, Annotation sinkAnnotation, ConfigReader sinkConfigReader, SiddhiAppContext siddhiAppContext) {
    String transportType = sinkOptionHolder.validateAndGetStaticValue(SiddhiConstants.ANNOTATION_ELEMENT_TYPE);
    Extension sinkExtension = DefinitionParserHelper.constructExtension(streamDefinition, SiddhiConstants.ANNOTATION_SINK, transportType, sinkAnnotation, SiddhiConstants.NAMESPACE_SINK);
    destinationOptionHolders.forEach(destinationOption -> {
        Sink sink = (Sink) SiddhiClassLoader.loadExtensionImplementation(sinkExtension, SinkExecutorExtensionHolder.getInstance(siddhiAppContext));
        destinationOption.merge(sinkOptionHolder);
        sink.initOnlyTransport(streamDefinition, destinationOption, sinkConfigReader, siddhiAppContext);
        transports.add(sink);
    });
}

Example 2 with Sink

use of org.ballerinalang.siddhi.core.stream.output.sink.Sink in project ballerina by ballerina-lang.

the class EventTestCase method testQueryParser.

@Test
public void testQueryParser() {
    StreamDefinition streamDefinition = StreamDefinition.id("cseEventStream").attribute("symbol", Attribute.Type.STRING).attribute("price", Attribute.Type.FLOAT).attribute("volume", Attribute.Type.INT);
    StreamDefinition outStreamDefinition = StreamDefinition.id("outputStream").attribute("symbol", Attribute.Type.STRING).attribute("price", Attribute.Type.FLOAT);
    Query query = new Query();
    query.annotation(Annotation.annotation("info").element("name", "query1"));
    query.from(InputStream.stream("cseEventStream").filter(Expression.compare(Expression.variable("volume"), Compare.Operator.NOT_EQUAL, Expression.value(50))));
    query.select(Selector.selector().select("symbol", Expression.variable("symbol")).select("price", Expression.variable("price")));
    query.insertInto("outputStream");
    Map<String, AbstractDefinition> tableDefinitionMap = new HashMap<>();
    Map<String, AbstractDefinition> windowDefinitionMap = new HashMap<>();
    Map<String, AbstractDefinition> aggregationDefinitionMap = new HashMap<>();
    Map<String, Table> tableMap = new HashMap<String, Table>();
    Map<String, Window> eventWindowMap = new HashMap<String, Window>();
    Map<String, AggregationRuntime> aggregationMap = new HashMap<String, AggregationRuntime>();
    Map<String, List<Source>> eventSourceMap = new HashMap<String, List<Source>>();
    Map<String, List<Sink>> eventSinkMap = new HashMap<String, List<Sink>>();
    Map<String, AbstractDefinition> streamDefinitionMap = new HashMap<String, AbstractDefinition>();
    LockSynchronizer lockSynchronizer = new LockSynchronizer();
    streamDefinitionMap.put("cseEventStream", streamDefinition);
    streamDefinitionMap.put("outputStream", outStreamDefinition);
    SiddhiContext siddhicontext = new SiddhiContext();
    SiddhiAppContext context = new SiddhiAppContext();
    context.setSiddhiContext(siddhicontext);
    context.setElementIdGenerator(new ElementIdGenerator(context.getName()));
    context.setSnapshotService(new SnapshotService(context));
    QueryRuntime runtime = QueryParser.parse(query, context, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, aggregationMap, eventWindowMap, lockSynchronizer, "1");
    AssertJUnit.assertNotNull(runtime);
    AssertJUnit.assertTrue(runtime.getStreamRuntime() instanceof SingleStreamRuntime);
    AssertJUnit.assertNotNull(runtime.getSelector());
    AssertJUnit.assertTrue(runtime.getMetaComplexEvent() instanceof MetaStreamEvent);
}

Example 3 with Sink

use of org.ballerinalang.siddhi.core.stream.output.sink.Sink in project ballerina by ballerina-lang.

the class SiddhiAppRuntime method shutdown.

public synchronized void shutdown() {
    SourceHandlerManager sourceHandlerManager = siddhiAppContext.getSiddhiContext().getSourceHandlerManager();
    for (List<Source> sources : sourceMap.values()) {
        for (Source source : sources) {
            try {
                if (sourceHandlerManager != null) {
                    sourceHandlerManager.unregisterSourceHandler(source.getMapper().getHandler().getElementId());
                }
                source.shutdown();
            } catch (Throwable t) {
                log.error(StringUtil.removeCRLFCharacters(ExceptionUtil.getMessageWithContext(t, siddhiAppContext)) + " Error in shutting down source '" + StringUtil.removeCRLFCharacters(source.getType()) + "' at '" + StringUtil.removeCRLFCharacters(source.getStreamDefinition().getId()) + "' on Siddhi App '" + siddhiAppContext.getName() + "'.", t);
            }
        }
    }
    for (Table table : tableMap.values()) {
        try {
            table.shutdown();
        } catch (Throwable t) {
            log.error(StringUtil.removeCRLFCharacters(ExceptionUtil.getMessageWithContext(t, siddhiAppContext)) + " Error in shutting down table '" + StringUtil.removeCRLFCharacters(table.getTableDefinition().getId()) + "' on Siddhi App '" + StringUtil.removeCRLFCharacters(siddhiAppContext.getName()) + "'.", t);
        }
    }
    SinkHandlerManager sinkHandlerManager = siddhiAppContext.getSiddhiContext().getSinkHandlerManager();
    for (List<Sink> sinks : sinkMap.values()) {
        for (Sink sink : sinks) {
            try {
                if (sinkHandlerManager != null) {
                    sinkHandlerManager.unregisterSinkHandler(sink.getHandler().getElementId());
                }
                sink.shutdown();
            } catch (Throwable t) {
                log.error(StringUtil.removeCRLFCharacters(ExceptionUtil.getMessageWithContext(t, siddhiAppContext)) + " Error in shutting down sink '" + StringUtil.removeCRLFCharacters(sink.getType()) + "' at '" + StringUtil.removeCRLFCharacters(sink.getStreamDefinition().getId()) + "' on Siddhi App '" + StringUtil.removeCRLFCharacters(siddhiAppContext.getName()) + "'.", t);
            }
        }
    }
    for (Table table : tableMap.values()) {
        RecordTableHandlerManager recordTableHandlerManager = siddhiAppContext.getSiddhiContext().getRecordTableHandlerManager();
        if (recordTableHandlerManager != null) {
            String elementId = null;
            RecordTableHandler recordTableHandler = table.getHandler();
            if (recordTableHandler != null) {
                elementId = recordTableHandler.getElementId();
            }
            if (elementId != null) {
                recordTableHandlerManager.unregisterRecordTableHandler(elementId);
            }
        }
        table.shutdown();
    }
    for (EternalReferencedHolder eternalReferencedHolder : siddhiAppContext.getEternalReferencedHolders()) {
        try {
            eternalReferencedHolder.stop();
        } catch (Throwable t) {
            log.error(StringUtil.removeCRLFCharacters(ExceptionUtil.getMessageWithContext(t, siddhiAppContext)) + " Error while stopping EternalReferencedHolder '" + StringUtil.removeCRLFCharacters(eternalReferencedHolder.toString()) + "' down Siddhi app '" + StringUtil.removeCRLFCharacters(siddhiAppContext.getName()) + "'.", t);
        }
    }
    inputManager.disconnect();
    Thread thread = new Thread(new Runnable() {

        @Override
        public void run() {
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
            }
            for (StreamJunction streamJunction : streamJunctionMap.values()) {
                streamJunction.stopProcessing();
            }
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
            }
            siddhiAppContext.getScheduledExecutorService().shutdownNow();
            siddhiAppContext.getExecutorService().shutdownNow();
        }
    }, "Siddhi-SiddhiApp-" + siddhiAppContext.getName() + "-Shutdown-Cleaner");
    thread.start();
    if (siddhiAppRuntimeMap != null) {
        siddhiAppRuntimeMap.remove(siddhiAppContext.getName());
    }
    if (siddhiAppContext.getStatisticsManager() != null) {
        if (siddhiAppContext.isStatsEnabled()) {
            siddhiAppContext.getStatisticsManager().stopReporting();
        }
        siddhiAppContext.getStatisticsManager().cleanup();
    }
    running = false;
}

Example 4 with Sink

use of org.ballerinalang.siddhi.core.stream.output.sink.Sink in project ballerina by ballerina-lang.

the class DefinitionParserHelper method addEventSink.

public static void addEventSink(StreamDefinition streamDefinition, ConcurrentMap<String, List<Sink>> eventSinkMap, SiddhiAppContext siddhiAppContext) {
    for (Annotation sinkAnnotation : streamDefinition.getAnnotations()) {
        if (SiddhiConstants.ANNOTATION_SINK.equalsIgnoreCase(sinkAnnotation.getName())) {
            sinkAnnotation = updateAnnotationRef(sinkAnnotation, SiddhiConstants.NAMESPACE_SINK, siddhiAppContext);
            Annotation mapAnnotation = AnnotationHelper.getAnnotation(SiddhiConstants.ANNOTATION_MAP, sinkAnnotation.getAnnotations());
            if (mapAnnotation == null) {
                mapAnnotation = Annotation.annotation(SiddhiConstants.ANNOTATION_MAP).element(SiddhiConstants.ANNOTATION_ELEMENT_TYPE, "passThrough");
            }
            Annotation distributionAnnotation = AnnotationHelper.getAnnotation(SiddhiConstants.ANNOTATION_DISTRIBUTION, sinkAnnotation.getAnnotations());
            if (mapAnnotation != null) {
                String[] supportedDynamicOptions = null;
                List<OptionHolder> destinationOptHolders = new ArrayList<>();
                String sinkType = sinkAnnotation.getElement(SiddhiConstants.ANNOTATION_ELEMENT_TYPE);
                Extension sinkExtension = constructExtension(streamDefinition, SiddhiConstants.ANNOTATION_SINK, sinkType, sinkAnnotation, SiddhiConstants.NAMESPACE_SINK);
                ConfigReader sinkConfigReader = siddhiAppContext.getSiddhiContext().getConfigManager().generateConfigReader(sinkExtension.getNamespace(), sinkExtension.getName());
                final boolean isDistributedTransport = (distributionAnnotation != null);
                boolean isMultiClient = false;
                if (isDistributedTransport) {
                    Sink sink = createSink(sinkExtension, siddhiAppContext);
                    isMultiClient = isMultiClientDistributedTransport(sink, streamDefinition, distributionAnnotation, siddhiAppContext);
                    supportedDynamicOptions = sink.getSupportedDynamicOptions();
                    destinationOptHolders = createDestinationOptionHolders(distributionAnnotation, streamDefinition, sink, siddhiAppContext);
                }
                final String mapType = mapAnnotation.getElement(SiddhiConstants.ANNOTATION_ELEMENT_TYPE);
                if (mapType != null) {
                    Sink sink;
                    if (isDistributedTransport) {
                        sink = (isMultiClient) ? new MultiClientDistributedSink() : new SingleClientDistributedSink();
                    } else {
                        sink = createSink(sinkExtension, siddhiAppContext);
                    }
                    if (supportedDynamicOptions == null) {
                        supportedDynamicOptions = sink.getSupportedDynamicOptions();
                    }
                    // load output mapper extension
                    Extension mapperExtension = constructExtension(streamDefinition, SiddhiConstants.ANNOTATION_MAP, mapType, sinkAnnotation, SiddhiConstants.NAMESPACE_SINK_MAPPER);
                    ConfigReader mapperConfigReader = siddhiAppContext.getSiddhiContext().getConfigManager().generateConfigReader(sinkExtension.getNamespace(), sinkExtension.getName());
                    SinkMapper sinkMapper = (SinkMapper) SiddhiClassLoader.loadExtensionImplementation(mapperExtension, SinkMapperExecutorExtensionHolder.getInstance(siddhiAppContext));
                    org.ballerinalang.siddhi.annotation.Extension sinkExt = sink.getClass().getAnnotation(org.ballerinalang.siddhi.annotation.Extension.class);
                    OptionHolder transportOptionHolder = constructOptionHolder(streamDefinition, sinkAnnotation, sinkExt, supportedDynamicOptions);
                    OptionHolder mapOptionHolder = constructOptionHolder(streamDefinition, mapAnnotation, sinkMapper.getClass().getAnnotation(org.ballerinalang.siddhi.annotation.Extension.class), sinkMapper.getSupportedDynamicOptions());
                    List<Element> payloadElementList = getPayload(mapAnnotation);
                    OptionHolder distributionOptHolder = null;
                    SinkHandlerManager sinkHandlerManager = siddhiAppContext.getSiddhiContext().getSinkHandlerManager();
                    SinkHandler sinkHandler = null;
                    if (sinkHandlerManager != null) {
                        sinkHandler = sinkHandlerManager.generateSinkHandler();
                    }
                    if (isDistributedTransport) {
                        distributionOptHolder = constructOptionHolder(streamDefinition, distributionAnnotation, sinkExt, supportedDynamicOptions);
                        String strategyType = distributionOptHolder.validateAndGetStaticValue(SiddhiConstants.DISTRIBUTION_STRATEGY_KEY);
                        Extension strategyExtension = constructExtension(streamDefinition, SiddhiConstants.ANNOTATION_SINK, strategyType, sinkAnnotation, SiddhiConstants.NAMESPACE_DISTRIBUTION_STRATEGY);
                        ConfigReader configReader = siddhiAppContext.getSiddhiContext().getConfigManager().generateConfigReader(strategyExtension.getNamespace(), strategyExtension.getName());
                        DistributionStrategy distributionStrategy = (DistributionStrategy) SiddhiClassLoader.loadExtensionImplementation(strategyExtension, DistributionStrategyExtensionHolder.getInstance(siddhiAppContext));
                        try {
                            distributionStrategy.init(streamDefinition, transportOptionHolder, distributionOptHolder, destinationOptHolders, configReader);
                            ((DistributedTransport) sink).init(streamDefinition, sinkType, transportOptionHolder, sinkConfigReader, sinkMapper, mapType, mapOptionHolder, sinkHandler, payloadElementList, mapperConfigReader, siddhiAppContext, destinationOptHolders, sinkAnnotation, distributionStrategy, supportedDynamicOptions);
                        } catch (Throwable t) {
                            ExceptionUtil.populateQueryContext(t, sinkAnnotation, siddhiAppContext);
                            throw t;
                        }
                    } else {
                        try {
                            sink.init(streamDefinition, sinkType, transportOptionHolder, sinkConfigReader, sinkMapper, mapType, mapOptionHolder, sinkHandler, payloadElementList, mapperConfigReader, siddhiAppContext);
                        } catch (Throwable t) {
                            ExceptionUtil.populateQueryContext(t, sinkAnnotation, siddhiAppContext);
                            throw t;
                        }
                    }
                    if (sinkHandlerManager != null) {
                        sinkHandlerManager.registerSinkHandler(sinkHandler.getElementId(), sinkHandler);
                        siddhiAppContext.getSnapshotService().addSnapshotable(streamDefinition.getId(), sinkHandler);
                    }
                    validateSinkMapperCompatibility(streamDefinition, sinkType, mapType, sink, sinkMapper, sinkAnnotation);
                    // Setting the output group determiner
                    OutputGroupDeterminer groupDeterminer = constructOutputGroupDeterminer(transportOptionHolder, distributionOptHolder, streamDefinition, destinationOptHolders.size());
                    if (groupDeterminer != null) {
                        sink.getMapper().setGroupDeterminer(groupDeterminer);
                    }
                    siddhiAppContext.getSnapshotService().addSnapshotable(sink.getStreamDefinition().getId(), sink);
                    List<Sink> eventSinks = eventSinkMap.get(streamDefinition.getId());
                    if (eventSinks == null) {
                        eventSinks = new ArrayList<>();
                        eventSinks.add(sink);
                        eventSinkMap.put(streamDefinition.getId(), eventSinks);
                    } else {
                        eventSinks.add(sink);
                    }
                }
            } else {
                throw new SiddhiAppCreationException("Both @sink(type=) and @map(type=) are required.", sinkAnnotation.getQueryContextStartIndex(), sinkAnnotation.getQueryContextEndIndex());
            }
        }
    }
}

Example 5 with Sink

use of org.ballerinalang.siddhi.core.stream.output.sink.Sink in project ballerina by ballerina-lang.

the class MultiClientDistributedSink method connect.

/**
 * Will be called to connect to the backend before events are published.
 *
 * @throws ConnectionUnavailableException if it cannot connect to the backend
 */
@Override
public void connect() throws ConnectionUnavailableException {
    StringBuilder errorMessages = null;
    int errorCount = 0;
    for (int i = 0; i < transports.size(); i++) {
        try {
            Sink transport = transports.get(i);
            if (!transport.isConnected()) {
                transport.connect();
                transport.setConnected(true);
                strategy.destinationAvailable(i);
                log.info("Connected to destination Id " + i);
            }
        } catch (ConnectionUnavailableException e) {
            errorCount++;
            if (errorMessages == null) {
                errorMessages = new StringBuilder();
            }
            errorMessages.append("[Destination").append(i).append("]:").append(e.getMessage());
            log.warn(ExceptionUtil.getMessageWithContext(e, siddhiAppContext) + " Failed to Connect to destination ID " + i);
        }
    }
    if (errorCount > 0) {
        throw new ConnectionUnavailableException("Error on '" + siddhiAppContext.getName() + "'. " + errorCount + "/" + transports.size() + " connections failed while trying to connect with following error " + "messages:" + errorMessages.toString());
    }
}