Examples with OptionHolder io.siddhi.core.util.transport.OptionHolder used on opensource projects

Example 1 with OptionHolder

use of io.siddhi.core.util.transport.OptionHolder in project siddhi by wso2.

the class DefinitionParserHelper method addEventSource.

public static void addEventSource(StreamDefinition streamDefinition, ConcurrentMap<String, List<Source>> eventSourceMap, SiddhiAppContext siddhiAppContext) {
    for (Annotation sourceAnnotation : streamDefinition.getAnnotations()) {
        if (SiddhiConstants.ANNOTATION_SOURCE.equalsIgnoreCase(sourceAnnotation.getName())) {
            try {
                sourceAnnotation = updateAnnotationRef(sourceAnnotation, SiddhiConstants.NAMESPACE_SOURCE, siddhiAppContext);
                Annotation mapAnnotation = AnnotationHelper.getAnnotation(SiddhiConstants.ANNOTATION_MAP, sourceAnnotation.getAnnotations());
                if (mapAnnotation == null) {
                    mapAnnotation = Annotation.annotation(SiddhiConstants.ANNOTATION_MAP).element(SiddhiConstants.ANNOTATION_ELEMENT_TYPE, "passThrough");
                }
                final String sourceType = sourceAnnotation.getElement(SiddhiConstants.ANNOTATION_ELEMENT_TYPE);
                if (sourceType == null) {
                    throw new SiddhiAppCreationException("Attribute 'type' does not exist for annotation '" + sourceAnnotation + "'", sourceAnnotation, siddhiAppContext);
                }
                final String mapType = mapAnnotation.getElement(SiddhiConstants.ANNOTATION_ELEMENT_TYPE);
                if (mapType == null) {
                    throw new SiddhiAppCreationException("Attribute 'type' does not exist for annotation '" + mapAnnotation + "'", mapAnnotation, siddhiAppContext);
                }
                SourceHandlerManager sourceHandlerManager = siddhiAppContext.getSiddhiContext().getSourceHandlerManager();
                SourceHandler sourceHandler = null;
                if (sourceHandlerManager != null) {
                    sourceHandler = sourceHandlerManager.generateSourceHandler(sourceType);
                }
                // load input transport extension
                Extension sourceExtension = constructExtension(streamDefinition, SiddhiConstants.ANNOTATION_SOURCE, sourceType, sourceAnnotation, SiddhiConstants.NAMESPACE_SOURCE);
                Source source = (Source) SiddhiClassLoader.loadExtensionImplementation(sourceExtension, SourceExecutorExtensionHolder.getInstance(siddhiAppContext));
                ConfigReader configReader = siddhiAppContext.getSiddhiContext().getConfigManager().generateConfigReader(sourceExtension.getNamespace(), sourceExtension.getName());
                // load input mapper extension
                Extension mapperExtension = constructExtension(streamDefinition, SiddhiConstants.ANNOTATION_MAP, mapType, sourceAnnotation, SiddhiConstants.NAMESPACE_SOURCE_MAPPER);
                SourceMapper sourceMapper = (SourceMapper) SiddhiClassLoader.loadExtensionImplementation(mapperExtension, SourceMapperExecutorExtensionHolder.getInstance(siddhiAppContext));
                ConfigReader mapperConfigReader = siddhiAppContext.getSiddhiContext().getConfigManager().generateConfigReader(mapperExtension.getNamespace(), mapperExtension.getName());
                validateSourceMapperCompatibility(streamDefinition, sourceType, mapType, source, sourceMapper, sourceAnnotation);
                io.siddhi.annotation.Extension sourceExt = source.getClass().getAnnotation(io.siddhi.annotation.Extension.class);
                OptionHolder sourceOptionHolder = constructOptionHolder(streamDefinition, sourceAnnotation, sourceExt, null, true);
                Map<String, String> deploymentProperties = createDeploymentProperties(sourceAnnotation, sourceExt);
                OptionHolder mapOptionHolder = constructOptionHolder(streamDefinition, mapAnnotation, sourceMapper.getClass().getAnnotation(io.siddhi.annotation.Extension.class), null, false);
                AttributesHolder attributesHolder = getAttributeMappings(mapAnnotation, mapType, streamDefinition);
                String[] transportPropertyNames = getTransportPropertyNames(attributesHolder);
                source.init(sourceType, sourceOptionHolder, sourceMapper, transportPropertyNames, configReader, mapType, mapOptionHolder, attributesHolder.payloadMappings, attributesHolder.transportMappings, mapperConfigReader, sourceHandler, streamDefinition, deploymentProperties, siddhiAppContext);
                if (sourceHandlerManager != null) {
                    sourceHandlerManager.registerSourceHandler(sourceHandler.getId(), sourceHandler);
                }
                List<Source> eventSources = eventSourceMap.get(streamDefinition.getId());
                if (eventSources == null) {
                    eventSources = new ArrayList<>();
                    eventSources.add(source);
                    eventSourceMap.put(streamDefinition.getId(), eventSources);
                } else {
                    eventSources.add(source);
                }
            } catch (Throwable t) {
                ExceptionUtil.populateQueryContext(t, sourceAnnotation, siddhiAppContext);
                throw t;
            }
        }
    }
}

Example 2 with OptionHolder

use of io.siddhi.core.util.transport.OptionHolder in project siddhi by wso2.

the class DefinitionParserHelper method addEventSink.

public static void addEventSink(StreamDefinition streamDefinition, StreamJunction streamJunction, ConcurrentMap<String, List<Sink>> eventSinkMap, SiddhiAppContext siddhiAppContext) {
    for (Annotation sinkAnnotation : streamDefinition.getAnnotations()) {
        if (SiddhiConstants.ANNOTATION_SINK.equalsIgnoreCase(sinkAnnotation.getName())) {
            try {
                sinkAnnotation = updateAnnotationRef(sinkAnnotation, SiddhiConstants.NAMESPACE_SINK, siddhiAppContext);
                Annotation mapAnnotation = AnnotationHelper.getAnnotation(SiddhiConstants.ANNOTATION_MAP, sinkAnnotation.getAnnotations());
                String sinkType = sinkAnnotation.getElement(SiddhiConstants.ANNOTATION_ELEMENT_TYPE);
                if (sinkType == null) {
                    throw new SiddhiAppCreationException("Attribute 'type' does not exist for annotation '" + sinkAnnotation + "'", sinkAnnotation, siddhiAppContext);
                }
                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<>();
                    List<Map<String, String>> destinationDeploymentProperties = new ArrayList<>();
                    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);
                        destinationDeploymentProperties = createDestinationDeploymentProperties(distributionAnnotation, sink);
                    }
                    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));
                        io.siddhi.annotation.Extension sinkExt = sink.getClass().getAnnotation(io.siddhi.annotation.Extension.class);
                        OptionHolder transportOptionHolder = constructOptionHolder(streamDefinition, sinkAnnotation, sinkExt, supportedDynamicOptions, true);
                        Map<String, String> deploymentProperties = createDeploymentProperties(sinkAnnotation, sinkExt);
                        OptionHolder mapOptionHolder = constructOptionHolder(streamDefinition, mapAnnotation, sinkMapper.getClass().getAnnotation(io.siddhi.annotation.Extension.class), sinkMapper.getSupportedDynamicOptions(), false);
                        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, true);
                            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));
                            distributionStrategy.init(streamDefinition, transportOptionHolder, distributionOptHolder, destinationOptHolders, configReader);
                            ((DistributedTransport) sink).init(streamDefinition, sinkType, transportOptionHolder, sinkConfigReader, sinkMapper, mapType, mapOptionHolder, sinkHandler, payloadElementList, mapperConfigReader, streamJunction, siddhiAppContext, destinationOptHolders, sinkAnnotation, distributionStrategy, supportedDynamicOptions, deploymentProperties, destinationDeploymentProperties);
                        } else {
                            sink.init(streamDefinition, sinkType, transportOptionHolder, sinkConfigReader, sinkMapper, mapType, mapOptionHolder, sinkHandler, payloadElementList, mapperConfigReader, deploymentProperties, streamJunction, siddhiAppContext);
                        }
                        if (sinkHandlerManager != null) {
                            sinkHandlerManager.registerSinkHandler(sinkHandler.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);
                        }
                        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("Attribute 'type' does not exist for annotation '" + mapAnnotation + "'", mapAnnotation, siddhiAppContext);
                    }
                } else {
                    throw new SiddhiAppCreationException("Both @sink(type=) and @map(type=) are required.", sinkAnnotation.getQueryContextStartIndex(), sinkAnnotation.getQueryContextEndIndex());
                }
            } catch (Throwable t) {
                ExceptionUtil.populateQueryContext(t, sinkAnnotation, siddhiAppContext);
                throw t;
            }
        }
    }
}

Example 3 with OptionHolder

use of io.siddhi.core.util.transport.OptionHolder in project siddhi by wso2.

the class DefinitionParserHelper method constructOptionHolder.

private static OptionHolder constructOptionHolder(StreamDefinition streamDefinition, Annotation annotation, io.siddhi.annotation.Extension extension, String[] supportedDynamicOptions, boolean supportDeploymentOptions) {
    List<String> supportedDynamicOptionList = new ArrayList<>();
    if (supportedDynamicOptions != null) {
        supportedDynamicOptionList = Arrays.asList(supportedDynamicOptions);
    }
    Map<String, String> options = new HashMap<>();
    Map<String, String> dynamicOptions = new HashMap<>();
    for (Element element : annotation.getElements()) {
        if (element.getKey().startsWith("dep:")) {
            if (!supportDeploymentOptions) {
                throw new SiddhiAppCreationException("DeploymentOption is not supported by '" + extension.namespace() + ":" + extension.name() + "', but a deployment property '" + element.getKey() + "' is configured", annotation.getQueryContextStartIndex(), annotation.getQueryContextEndIndex());
            }
        }
        if (Pattern.matches("(.*?)\\{\\{.*?\\}\\}(.*?)", element.getValue())) {
            if (supportedDynamicOptionList.contains(element.getKey())) {
                dynamicOptions.put(element.getKey(), element.getValue());
            } else {
                throw new SiddhiAppCreationException("'" + element.getKey() + "' is not a supported " + "DynamicOption " + "for the Extension '" + extension.namespace() + ":" + extension.name() + "', it only supports following as its DynamicOptions: " + supportedDynamicOptionList, annotation.getQueryContextStartIndex(), annotation.getQueryContextEndIndex());
            }
        } else {
            options.put(element.getKey(), element.getValue());
        }
    }
    return new OptionHolder(streamDefinition, options, dynamicOptions, extension);
}

Example 4 with OptionHolder

use of io.siddhi.core.util.transport.OptionHolder in project siddhi by wso2.

the class DefinitionParserHelper method isMultiClientDistributedTransport.

private static boolean isMultiClientDistributedTransport(Sink clientTransport, StreamDefinition streamDefinition, Annotation distributionAnnotation, SiddhiAppContext siddhiAppContext) {
    // fetch the @distribution annotations from the @sink annotation
    List<OptionHolder> destinationOptHolders = createDestinationOptionHolders(distributionAnnotation, streamDefinition, clientTransport, siddhiAppContext);
    List<String> dynamicOptions = Arrays.asList(clientTransport.getSupportedDynamicOptions());
    // If at least one of the @destination contains a static option then multi client transport should be used
    for (OptionHolder optionHolder : destinationOptHolders) {
        for (String key : optionHolder.getDynamicOptionsKeys()) {
            if (!dynamicOptions.contains(key)) {
                return true;
            }
        }
        for (String key : optionHolder.getStaticOptionsKeys()) {
            if (!dynamicOptions.contains(key)) {
                return true;
            }
        }
    }
    return false;
}