use of org.ballerinalang.siddhi.core.util.transport.OptionHolder in project ballerina by ballerina-lang.
the class DefinitionParserHelper method constructOptionHolder.
private static OptionHolder constructOptionHolder(StreamDefinition streamDefinition, Annotation annotation, org.ballerinalang.siddhi.annotation.Extension extension, String[] supportedDynamicOptions) {
List<String> supportedDynamicOptionList = new ArrayList<>();
if (supportedDynamicOptions != null) {
supportedDynamicOptionList = Arrays.asList(supportedDynamicOptions);
}
Map<String, String> options = new HashMap<String, String>();
Map<String, String> dynamicOptions = new HashMap<String, String>();
for (Element element : annotation.getElements()) {
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);
}
use of org.ballerinalang.siddhi.core.util.transport.OptionHolder in project ballerina by ballerina-lang.
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;
}
use of org.ballerinalang.siddhi.core.util.transport.OptionHolder in project ballerina by ballerina-lang.
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())) {
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);
final String mapType = mapAnnotation.getElement(SiddhiConstants.ANNOTATION_ELEMENT_TYPE);
if (sourceType != null && mapType != null) {
SourceHandlerManager sourceHandlerManager = siddhiAppContext.getSiddhiContext().getSourceHandlerManager();
SourceHandler sourceHandler = null;
if (sourceHandlerManager != null) {
sourceHandler = sourceHandlerManager.generateSourceHandler();
}
// 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);
OptionHolder sourceOptionHolder = constructOptionHolder(streamDefinition, sourceAnnotation, source.getClass().getAnnotation(org.ballerinalang.siddhi.annotation.Extension.class), null);
OptionHolder mapOptionHolder = constructOptionHolder(streamDefinition, mapAnnotation, sourceMapper.getClass().getAnnotation(org.ballerinalang.siddhi.annotation.Extension.class), null);
AttributesHolder attributesHolder = getAttributeMappings(mapAnnotation, mapType, streamDefinition);
String[] transportPropertyNames = getTransportPropertyNames(attributesHolder);
try {
source.init(sourceType, sourceOptionHolder, sourceMapper, transportPropertyNames, configReader, mapType, mapOptionHolder, attributesHolder.payloadMappings, attributesHolder.transportMappings, mapperConfigReader, sourceHandler, streamDefinition, siddhiAppContext);
} catch (Throwable t) {
ExceptionUtil.populateQueryContext(t, sourceAnnotation, siddhiAppContext);
throw t;
}
siddhiAppContext.getSnapshotService().addSnapshotable(source.getStreamDefinition().getId(), source);
if (sourceHandlerManager != null) {
sourceHandlerManager.registerSourceHandler(sourceHandler.getElementId(), sourceHandler);
siddhiAppContext.getSnapshotService().addSnapshotable(streamDefinition.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);
}
} else {
throw new SiddhiAppCreationException("Both @Sink(type=) and @map(type=) are required.", sourceAnnotation.getQueryContextStartIndex(), sourceAnnotation.getQueryContextEndIndex());
}
}
}
}
use of org.ballerinalang.siddhi.core.util.transport.OptionHolder 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());
}
}
}
}
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