use of org.ballerinalang.siddhi.core.query.QueryRuntime in project ballerina by ballerina-lang.
the class PartitionParser method parse.
public static PartitionRuntime parse(SiddhiAppRuntimeBuilder siddhiAppRuntimeBuilder, Partition partition, SiddhiAppContext siddhiAppContext, ConcurrentMap<String, AbstractDefinition> streamDefinitionMap, int queryIndex) {
PartitionRuntime partitionRuntime = new PartitionRuntime(siddhiAppRuntimeBuilder.getStreamDefinitionMap(), siddhiAppRuntimeBuilder.getStreamJunctions(), partition, siddhiAppContext);
validateStreamPartitions(partition.getPartitionTypeMap(), streamDefinitionMap);
for (Query query : partition.getQueryList()) {
List<VariableExpressionExecutor> executors = new ArrayList<VariableExpressionExecutor>();
ConcurrentMap<String, AbstractDefinition> combinedStreamMap = new ConcurrentHashMap<String, AbstractDefinition>();
combinedStreamMap.putAll(streamDefinitionMap);
combinedStreamMap.putAll(partitionRuntime.getLocalStreamDefinitionMap());
QueryRuntime queryRuntime = QueryParser.parse(query, siddhiAppContext, combinedStreamMap, siddhiAppRuntimeBuilder.getTableDefinitionMap(), siddhiAppRuntimeBuilder.getWindowDefinitionMap(), siddhiAppRuntimeBuilder.getAggregationDefinitionMap(), siddhiAppRuntimeBuilder.getTableMap(), siddhiAppRuntimeBuilder.getAggregationMap(), siddhiAppRuntimeBuilder.getWindowMap(), siddhiAppRuntimeBuilder.getLockSynchronizer(), String.valueOf(queryIndex));
queryIndex++;
MetaStateEvent metaStateEvent = createMetaEventForPartitioner(queryRuntime.getMetaComplexEvent());
partitionRuntime.addQuery(queryRuntime);
partitionRuntime.addPartitionReceiver(queryRuntime, executors, metaStateEvent);
QueryParserHelper.reduceMetaComplexEvent(metaStateEvent);
if (queryRuntime.getMetaComplexEvent() instanceof MetaStateEvent) {
QueryParserHelper.updateVariablePosition(metaStateEvent, executors);
} else {
QueryParserHelper.updateVariablePosition(metaStateEvent.getMetaStreamEvent(0), executors);
}
partitionRuntime.init();
}
return partitionRuntime;
}
use of org.ballerinalang.siddhi.core.query.QueryRuntime in project ballerina by ballerina-lang.
the class QueryParser method parse.
/**
* Parse a query and return corresponding QueryRuntime.
*
* @param query query to be parsed.
* @param siddhiAppContext associated Siddhi app context.
* @param streamDefinitionMap keyvalue containing user given stream definitions.
* @param tableDefinitionMap keyvalue containing table definitions.
* @param windowDefinitionMap keyvalue containing window definition map.
* @param aggregationDefinitionMap keyvalue containing aggregation definition map.
* @param tableMap keyvalue containing event tables.
* @param aggregationMap keyvalue containing aggrigation runtimes.
* @param windowMap keyvalue containing event window map.
* @param lockSynchronizer Lock synchronizer for sync the lock across queries.
* @param queryIndex query index to identify unknown query by number
* @return queryRuntime
*/
public static QueryRuntime parse(Query query, SiddhiAppContext siddhiAppContext, Map<String, AbstractDefinition> streamDefinitionMap, Map<String, AbstractDefinition> tableDefinitionMap, Map<String, AbstractDefinition> windowDefinitionMap, Map<String, AbstractDefinition> aggregationDefinitionMap, Map<String, Table> tableMap, Map<String, AggregationRuntime> aggregationMap, Map<String, Window> windowMap, LockSynchronizer lockSynchronizer, String queryIndex) {
List<VariableExpressionExecutor> executors = new ArrayList<VariableExpressionExecutor>();
QueryRuntime queryRuntime;
Element nameElement = null;
LatencyTracker latencyTracker = null;
LockWrapper lockWrapper = null;
try {
nameElement = AnnotationHelper.getAnnotationElement("info", "name", query.getAnnotations());
String queryName = null;
if (nameElement != null) {
queryName = nameElement.getValue();
} else {
queryName = "query_" + queryIndex + "_" + UUID.randomUUID().toString();
}
latencyTracker = QueryParserHelper.createLatencyTracker(siddhiAppContext, queryName, SiddhiConstants.METRIC_INFIX_QUERIES, null);
OutputStream.OutputEventType outputEventType = query.getOutputStream().getOutputEventType();
boolean outputExpectsExpiredEvents = false;
if (outputEventType != OutputStream.OutputEventType.CURRENT_EVENTS) {
outputExpectsExpiredEvents = true;
}
StreamRuntime streamRuntime = InputStreamParser.parse(query.getInputStream(), siddhiAppContext, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, windowMap, aggregationMap, executors, latencyTracker, outputExpectsExpiredEvents, queryName);
QuerySelector selector = SelectorParser.parse(query.getSelector(), query.getOutputStream(), siddhiAppContext, streamRuntime.getMetaComplexEvent(), tableMap, executors, queryName, SiddhiConstants.UNKNOWN_STATE);
boolean isWindow = query.getInputStream() instanceof JoinInputStream;
if (!isWindow && query.getInputStream() instanceof SingleInputStream) {
for (StreamHandler streamHandler : ((SingleInputStream) query.getInputStream()).getStreamHandlers()) {
if (streamHandler instanceof org.ballerinalang.siddhi.query.api.execution.query.input.handler.Window) {
isWindow = true;
break;
}
}
}
Element synchronizedElement = AnnotationHelper.getAnnotationElement("synchronized", null, query.getAnnotations());
if (synchronizedElement != null) {
if (!("false".equalsIgnoreCase(synchronizedElement.getValue()))) {
// Query LockWrapper does not need a unique
lockWrapper = new LockWrapper("");
// id since it will
// not be passed to the LockSynchronizer.
// LockWrapper does not have a default lock
lockWrapper.setLock(new ReentrantLock());
}
} else {
if (isWindow || !(streamRuntime instanceof SingleStreamRuntime)) {
if (streamRuntime instanceof JoinStreamRuntime) {
// If at least one Window is involved in the join, use the LockWrapper of that window
// for the query as well.
// If join is between two EventWindows, sync the locks of the LockWrapper of those windows
// and use either of them for query.
MetaStateEvent metaStateEvent = (MetaStateEvent) streamRuntime.getMetaComplexEvent();
MetaStreamEvent[] metaStreamEvents = metaStateEvent.getMetaStreamEvents();
if (metaStreamEvents[0].getEventType() == EventType.WINDOW && metaStreamEvents[1].getEventType() == EventType.WINDOW) {
LockWrapper leftLockWrapper = windowMap.get(metaStreamEvents[0].getLastInputDefinition().getId()).getLock();
LockWrapper rightLockWrapper = windowMap.get(metaStreamEvents[1].getLastInputDefinition().getId()).getLock();
if (!leftLockWrapper.equals(rightLockWrapper)) {
// Sync the lock across both wrappers
lockSynchronizer.sync(leftLockWrapper, rightLockWrapper);
}
// Can use either leftLockWrapper or rightLockWrapper since both of them will hold the
// same lock internally
// If either of their lock is updated later, the other lock also will be update by the
// LockSynchronizer.
lockWrapper = leftLockWrapper;
} else if (metaStreamEvents[0].getEventType() == EventType.WINDOW) {
// Share the same wrapper as the query lock wrapper
lockWrapper = windowMap.get(metaStreamEvents[0].getLastInputDefinition().getId()).getLock();
} else if (metaStreamEvents[1].getEventType() == EventType.WINDOW) {
// Share the same wrapper as the query lock wrapper
lockWrapper = windowMap.get(metaStreamEvents[1].getLastInputDefinition().getId()).getLock();
} else {
// Join does not contain any Window
// Query LockWrapper does not need a unique
lockWrapper = new LockWrapper("");
// id since
// it will not be passed to the LockSynchronizer.
// LockWrapper does not have a default lock
lockWrapper.setLock(new ReentrantLock());
}
} else {
lockWrapper = new LockWrapper("");
lockWrapper.setLock(new ReentrantLock());
}
}
}
OutputRateLimiter outputRateLimiter = OutputParser.constructOutputRateLimiter(query.getOutputStream().getId(), query.getOutputRate(), query.getSelector().getGroupByList().size() != 0, isWindow, siddhiAppContext.getScheduledExecutorService(), siddhiAppContext, queryName);
if (outputRateLimiter instanceof WrappedSnapshotOutputRateLimiter) {
selector.setBatchingEnabled(false);
}
siddhiAppContext.addEternalReferencedHolder(outputRateLimiter);
OutputCallback outputCallback = OutputParser.constructOutputCallback(query.getOutputStream(), streamRuntime.getMetaComplexEvent().getOutputStreamDefinition(), tableMap, windowMap, siddhiAppContext, !(streamRuntime instanceof SingleStreamRuntime), queryName);
QueryParserHelper.reduceMetaComplexEvent(streamRuntime.getMetaComplexEvent());
QueryParserHelper.updateVariablePosition(streamRuntime.getMetaComplexEvent(), executors);
QueryParserHelper.initStreamRuntime(streamRuntime, streamRuntime.getMetaComplexEvent(), lockWrapper, queryName);
selector.setEventPopulator(StateEventPopulatorFactory.constructEventPopulator(streamRuntime.getMetaComplexEvent()));
queryRuntime = new QueryRuntime(query, siddhiAppContext, streamRuntime, selector, outputRateLimiter, outputCallback, streamRuntime.getMetaComplexEvent(), lockWrapper != null, queryName);
if (outputRateLimiter instanceof WrappedSnapshotOutputRateLimiter) {
selector.setBatchingEnabled(false);
((WrappedSnapshotOutputRateLimiter) outputRateLimiter).init(streamRuntime.getMetaComplexEvent().getOutputStreamDefinition().getAttributeList().size(), selector.getAttributeProcessorList(), streamRuntime.getMetaComplexEvent());
}
outputRateLimiter.init(siddhiAppContext, lockWrapper, queryName);
} catch (DuplicateDefinitionException e) {
if (nameElement != null) {
throw new DuplicateDefinitionException(e.getMessageWithOutContext() + ", when creating query " + nameElement.getValue(), e, e.getQueryContextStartIndex(), e.getQueryContextEndIndex(), siddhiAppContext.getName(), siddhiAppContext.getSiddhiAppString());
} else {
throw new DuplicateDefinitionException(e.getMessage(), e, e.getQueryContextStartIndex(), e.getQueryContextEndIndex(), siddhiAppContext.getName(), siddhiAppContext.getSiddhiAppString());
}
} catch (Throwable t) {
ExceptionUtil.populateQueryContext(t, query, siddhiAppContext);
throw t;
}
return queryRuntime;
}
use of org.ballerinalang.siddhi.core.query.QueryRuntime in project ballerina by ballerina-lang.
the class SiddhiAppParser method parse.
/**
* Parse an SiddhiApp returning SiddhiAppRuntime.
*
* @param siddhiApp plan to be parsed
* @param siddhiAppString content of Siddhi application as string
* @param siddhiContext SiddhiContext @return SiddhiAppRuntime
* @return SiddhiAppRuntimeBuilder
*/
public static SiddhiAppRuntimeBuilder parse(SiddhiApp siddhiApp, String siddhiAppString, SiddhiContext siddhiContext) {
SiddhiAppContext siddhiAppContext = new SiddhiAppContext();
siddhiAppContext.setSiddhiContext(siddhiContext);
siddhiAppContext.setSiddhiAppString(siddhiAppString);
try {
Element element = AnnotationHelper.getAnnotationElement(SiddhiConstants.ANNOTATION_NAME, null, siddhiApp.getAnnotations());
if (element != null) {
siddhiAppContext.setName(element.getValue());
} else {
siddhiAppContext.setName(UUID.randomUUID().toString());
}
Annotation annotation = AnnotationHelper.getAnnotation(SiddhiConstants.ANNOTATION_ENFORCE_ORDER, siddhiApp.getAnnotations());
if (annotation != null) {
siddhiAppContext.setEnforceOrder(true);
}
annotation = AnnotationHelper.getAnnotation(SiddhiConstants.ANNOTATION_ASYNC, siddhiApp.getAnnotations());
if (annotation != null) {
throw new SiddhiAppCreationException("@Async not supported in SiddhiApp level, " + "instead use @Async with streams", annotation.getQueryContextStartIndex(), annotation.getQueryContextEndIndex());
}
annotation = AnnotationHelper.getAnnotation(SiddhiConstants.ANNOTATION_STATISTICS, siddhiApp.getAnnotations());
List<Element> statisticsElements = new ArrayList<>();
if (annotation != null) {
statisticsElements = annotation.getElements();
}
if (siddhiContext.getStatisticsConfiguration() != null) {
siddhiAppContext.setStatisticsManager(siddhiContext.getStatisticsConfiguration().getFactory().createStatisticsManager(siddhiContext.getStatisticsConfiguration().getMetricPrefix(), siddhiAppContext.getName(), statisticsElements));
}
Element statStateEnableElement = AnnotationHelper.getAnnotationElement(SiddhiConstants.ANNOTATION_STATISTICS, SiddhiConstants.ANNOTATION_ELEMENT_ENABLE, siddhiApp.getAnnotations());
if (statStateEnableElement != null && Boolean.valueOf(statStateEnableElement.getValue())) {
siddhiAppContext.setStatsEnabled(true);
} else {
Element statStateElement = AnnotationHelper.getAnnotationElement(SiddhiConstants.ANNOTATION_STATISTICS, null, siddhiApp.getAnnotations());
// where sp uses @app:statistics('true').
if (annotation != null && (statStateElement == null || Boolean.valueOf(statStateElement.getValue()))) {
siddhiAppContext.setStatsEnabled(true);
}
}
Element statStateIncludElement = AnnotationHelper.getAnnotationElement(SiddhiConstants.ANNOTATION_STATISTICS, SiddhiConstants.ANNOTATION_ELEMENT_INCLUDE, siddhiApp.getAnnotations());
siddhiAppContext.setIncludedMetrics(generateIncludedMetrics(statStateIncludElement));
siddhiAppContext.setThreadBarrier(new ThreadBarrier());
siddhiAppContext.setExecutorService(Executors.newCachedThreadPool(new ThreadFactoryBuilder().setNameFormat("Siddhi-" + siddhiAppContext.getName() + "-executor-thread-%d").build()));
siddhiAppContext.setScheduledExecutorService(Executors.newScheduledThreadPool(5, new ThreadFactoryBuilder().setNameFormat("Siddhi-" + siddhiAppContext.getName() + "-scheduler-thread-%d").build()));
// Select the TimestampGenerator based on playback mode on/off
annotation = AnnotationHelper.getAnnotation(SiddhiConstants.ANNOTATION_PLAYBACK, siddhiApp.getAnnotations());
if (annotation != null) {
String idleTime = null;
String increment = null;
EventTimeBasedMillisTimestampGenerator timestampGenerator = new EventTimeBasedMillisTimestampGenerator(siddhiAppContext.getScheduledExecutorService());
// Get the optional elements of playback annotation
for (Element e : annotation.getElements()) {
if (SiddhiConstants.ANNOTATION_ELEMENT_IDLE_TIME.equalsIgnoreCase(e.getKey())) {
idleTime = e.getValue();
} else if (SiddhiConstants.ANNOTATION_ELEMENT_INCREMENT.equalsIgnoreCase(e.getKey())) {
increment = e.getValue();
} else {
throw new SiddhiAppValidationException("Playback annotation accepts only idle.time and " + "increment but found " + e.getKey());
}
}
// idleTime and increment are optional but if one presents, the other also should be given
if (idleTime != null && increment == null) {
throw new SiddhiAppValidationException("Playback annotation requires both idle.time and " + "increment but increment not found");
} else if (idleTime == null && increment != null) {
throw new SiddhiAppValidationException("Playback annotation requires both idle.time and " + "increment but idle.time does not found");
} else if (idleTime != null) {
// The fourth case idleTime == null && increment == null are ignored because it means no heartbeat.
try {
timestampGenerator.setIdleTime(SiddhiCompiler.parseTimeConstantDefinition(idleTime).value());
} catch (SiddhiParserException ex) {
throw new SiddhiParserException("Invalid idle.time constant '" + idleTime + "' in playback " + "annotation", ex);
}
try {
timestampGenerator.setIncrementInMilliseconds(SiddhiCompiler.parseTimeConstantDefinition(increment).value());
} catch (SiddhiParserException ex) {
throw new SiddhiParserException("Invalid increment constant '" + increment + "' in playback " + "annotation", ex);
}
}
siddhiAppContext.setTimestampGenerator(timestampGenerator);
siddhiAppContext.setPlayback(true);
} else {
siddhiAppContext.setTimestampGenerator(new SystemCurrentTimeMillisTimestampGenerator());
}
siddhiAppContext.setSnapshotService(new SnapshotService(siddhiAppContext));
siddhiAppContext.setPersistenceService(new PersistenceService(siddhiAppContext));
siddhiAppContext.setElementIdGenerator(new ElementIdGenerator(siddhiAppContext.getName()));
} catch (DuplicateAnnotationException e) {
throw new DuplicateAnnotationException(e.getMessageWithOutContext() + " for the same Siddhi app " + siddhiApp.toString(), e, e.getQueryContextStartIndex(), e.getQueryContextEndIndex(), siddhiAppContext.getName(), siddhiAppContext.getSiddhiAppString());
}
SiddhiAppRuntimeBuilder siddhiAppRuntimeBuilder = new SiddhiAppRuntimeBuilder(siddhiAppContext);
defineStreamDefinitions(siddhiAppRuntimeBuilder, siddhiApp.getStreamDefinitionMap(), siddhiAppContext);
defineTableDefinitions(siddhiAppRuntimeBuilder, siddhiApp.getTableDefinitionMap(), siddhiAppContext);
defineWindowDefinitions(siddhiAppRuntimeBuilder, siddhiApp.getWindowDefinitionMap(), siddhiAppContext);
defineFunctionDefinitions(siddhiAppRuntimeBuilder, siddhiApp.getFunctionDefinitionMap(), siddhiAppContext);
defineAggregationDefinitions(siddhiAppRuntimeBuilder, siddhiApp.getAggregationDefinitionMap(), siddhiAppContext);
for (Window window : siddhiAppRuntimeBuilder.getWindowMap().values()) {
try {
window.init(siddhiAppRuntimeBuilder.getTableMap(), siddhiAppRuntimeBuilder.getWindowMap(), window.getWindowDefinition().getId());
} catch (Throwable t) {
ExceptionUtil.populateQueryContext(t, window.getWindowDefinition(), siddhiAppContext);
throw t;
}
}
int queryIndex = 1;
for (ExecutionElement executionElement : siddhiApp.getExecutionElementList()) {
if (executionElement instanceof Query) {
try {
QueryRuntime queryRuntime = QueryParser.parse((Query) executionElement, siddhiAppContext, siddhiAppRuntimeBuilder.getStreamDefinitionMap(), siddhiAppRuntimeBuilder.getTableDefinitionMap(), siddhiAppRuntimeBuilder.getWindowDefinitionMap(), siddhiAppRuntimeBuilder.getAggregationDefinitionMap(), siddhiAppRuntimeBuilder.getTableMap(), siddhiAppRuntimeBuilder.getAggregationMap(), siddhiAppRuntimeBuilder.getWindowMap(), siddhiAppRuntimeBuilder.getLockSynchronizer(), String.valueOf(queryIndex));
siddhiAppRuntimeBuilder.addQuery(queryRuntime);
queryIndex++;
} catch (Throwable t) {
ExceptionUtil.populateQueryContext(t, (Query) executionElement, siddhiAppContext);
throw t;
}
} else {
try {
PartitionRuntime partitionRuntime = PartitionParser.parse(siddhiAppRuntimeBuilder, (Partition) executionElement, siddhiAppContext, siddhiAppRuntimeBuilder.getStreamDefinitionMap(), queryIndex);
siddhiAppRuntimeBuilder.addPartition(partitionRuntime);
siddhiAppContext.getSnapshotService().addSnapshotable("partition", partitionRuntime);
queryIndex += ((Partition) executionElement).getQueryList().size();
} catch (Throwable t) {
ExceptionUtil.populateQueryContext(t, (Partition) executionElement, siddhiAppContext);
throw t;
}
}
}
// Done last as they have to be started last
defineTriggerDefinitions(siddhiAppRuntimeBuilder, siddhiApp.getTriggerDefinitionMap(), siddhiAppContext);
return siddhiAppRuntimeBuilder;
}
use of org.ballerinalang.siddhi.core.query.QueryRuntime in project ballerina by ballerina-lang.
the class SiddhiAppRuntimeBuilder method addQuery.
public String addQuery(QueryRuntime queryRuntime) {
QueryRuntime oldQueryRuntime = queryProcessorMap.put(queryRuntime.getQueryId(), queryRuntime);
if (oldQueryRuntime != null) {
throw new SiddhiAppCreationException("Multiple queries with name '" + queryRuntime.getQueryId() + "' defined in Siddhi App '" + siddhiAppContext.getName() + "'", queryRuntime.getQuery().getQueryContextStartIndex(), queryRuntime.getQuery().getQueryContextEndIndex());
}
StreamRuntime streamRuntime = queryRuntime.getStreamRuntime();
for (SingleStreamRuntime singleStreamRuntime : streamRuntime.getSingleStreamRuntimes()) {
ProcessStreamReceiver processStreamReceiver = singleStreamRuntime.getProcessStreamReceiver();
if (processStreamReceiver.toStream()) {
StreamJunction streamJuction = streamJunctionMap.get(processStreamReceiver.getStreamId());
if (streamJuction != null) {
streamJuction.subscribe(processStreamReceiver);
} else {
throw new SiddhiAppCreationException("Expecting a stream, but provided '" + processStreamReceiver.getStreamId() + "' is not a stream");
}
}
}
OutputCallback outputCallback = queryRuntime.getOutputCallback();
if (outputCallback != null && outputCallback instanceof InsertIntoStreamCallback) {
InsertIntoStreamCallback insertIntoStreamCallback = (InsertIntoStreamCallback) outputCallback;
StreamDefinition streamDefinition = insertIntoStreamCallback.getOutputStreamDefinition();
streamDefinitionMap.putIfAbsent(streamDefinition.getId(), streamDefinition);
DefinitionParserHelper.validateOutputStream(streamDefinition, streamDefinitionMap.get(streamDefinition.getId()));
StreamJunction outputStreamJunction = streamJunctionMap.get(streamDefinition.getId());
if (outputStreamJunction == null) {
outputStreamJunction = new StreamJunction(streamDefinition, siddhiAppContext.getExecutorService(), siddhiAppContext.getBufferSize(), siddhiAppContext);
streamJunctionMap.putIfAbsent(streamDefinition.getId(), outputStreamJunction);
}
insertIntoStreamCallback.init(streamJunctionMap.get(insertIntoStreamCallback.getOutputStreamDefinition().getId()));
} else if (outputCallback != null && outputCallback instanceof InsertIntoWindowCallback) {
InsertIntoWindowCallback insertIntoWindowCallback = (InsertIntoWindowCallback) outputCallback;
StreamDefinition streamDefinition = insertIntoWindowCallback.getOutputStreamDefinition();
windowDefinitionMap.putIfAbsent(streamDefinition.getId(), streamDefinition);
DefinitionParserHelper.validateOutputStream(streamDefinition, windowDefinitionMap.get(streamDefinition.getId()));
StreamJunction outputStreamJunction = streamJunctionMap.get(streamDefinition.getId());
if (outputStreamJunction == null) {
outputStreamJunction = new StreamJunction(streamDefinition, siddhiAppContext.getExecutorService(), siddhiAppContext.getBufferSize(), siddhiAppContext);
streamJunctionMap.putIfAbsent(streamDefinition.getId(), outputStreamJunction);
}
insertIntoWindowCallback.getWindow().setPublisher(streamJunctionMap.get(insertIntoWindowCallback.getOutputStreamDefinition().getId()).constructPublisher());
}
return queryRuntime.getQueryId();
}
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