use of io.siddhi.core.table.Table in project siddhi by wso2.
the class IncrementalDataPurger method run.
@Override
public void run() {
boolean isNeededToExecutePurgeTask = false;
Map<String, Boolean> purgingCheckState;
boolean isSafeToRunPurgingTask = false;
long currentTime = System.currentTimeMillis();
long purgeTime;
Object[] purgeTimeArray = new Object[1];
int i = 1;
if (purgingHalted) {
LOG.error(errorMessage);
return;
}
for (TimePeriod.Duration duration : activeIncrementalDurations) {
if (!retentionPeriods.get(duration).equals(RETAIN_ALL)) {
eventChunk.clear();
purgeTime = currentTime - retentionPeriods.get(duration);
purgeTimeArray[0] = purgeTime;
if (retentionPeriods.size() > i) {
purgingCheckState = isSafeToPurgeTheDuration(purgeTime, aggregationTables.get(activeIncrementalDurations.get(i)), aggregationTables.get(duration), duration, timeZone);
if (purgingCheckState.get(IS_DATA_AVAILABLE_TO_PURGE)) {
isNeededToExecutePurgeTask = true;
if (purgingCheckState.get(IS_PARENT_TABLE_HAS_AGGREGATED_DATA)) {
isSafeToRunPurgingTask = true;
} else {
isSafeToRunPurgingTask = false;
purgingHalted = true;
}
} else {
isNeededToExecutePurgeTask = false;
}
}
if (isNeededToExecutePurgeTask) {
if (isSafeToRunPurgingTask) {
StateEvent secEvent = createStreamEvent(purgeTimeArray, currentTime);
eventChunk.add(secEvent);
Table table = aggregationTables.get(duration);
try {
if (LOG.isDebugEnabled()) {
LOG.debug("Purging data of table: " + table.getTableDefinition().getId() + " with a" + " retention of timestamp : " + purgeTime);
}
table.deleteEvents(eventChunk, compiledConditionsHolder.get(duration), 1);
} catch (RuntimeException e) {
LOG.error("Exception occurred while deleting events from " + table.getTableDefinition().getId() + " table", e);
throw new DataPurgingException("Exception occurred while deleting events from " + table.getTableDefinition().getId() + " table", e);
}
} else {
errorMessage = "Purging task halted!!!. Data purging for table: " + aggregationTables.get(duration).getTableDefinition().getId() + " with a retention" + " of timestamp : " + purgeTime + " didn't executed since parent " + aggregationTables.get(activeIncrementalDurations.get(i)).getTableDefinition().getId() + " table does not contain values of above period. This has to be investigate since" + " this may lead to an aggregation data mismatch";
LOG.info(errorMessage);
return;
}
}
}
i++;
}
}
use of io.siddhi.core.table.Table in project siddhi by wso2.
the class SiddhiAppRuntimeImpl method startWithoutSources.
public synchronized void startWithoutSources() {
if (running || runningWithoutSources) {
log.warn("Error calling startWithoutSources() for Siddhi App '" + siddhiAppContext.getName() + "', " + "SiddhiApp already started.");
} else {
try {
memoryUsageTracker.disableMemoryUsageMetrics();
if (siddhiAppContext.getRootMetricsLevel().compareTo(Level.OFF) != 0 && siddhiAppContext.getStatisticsManager() != null) {
if (siddhiAppContext.getRootMetricsLevel().compareTo(Level.DETAIL) == 0) {
memoryUsageTracker.enableMemoryUsageMetrics();
}
siddhiAppContext.getStatisticsManager().startReporting();
}
for (ExternalReferencedHolder externalReferencedHolder : siddhiAppContext.getExternalReferencedHolders()) {
externalReferencedHolder.start();
}
for (List<Sink> sinks : sinkMap.values()) {
for (Sink sink : sinks) {
sink.connectWithRetry();
}
}
for (Table table : tableMap.values()) {
table.connectWithRetry();
}
for (StreamJunction streamJunction : streamJunctionMap.values()) {
streamJunction.startProcessing();
}
if (incrementalDataPurging) {
for (AggregationRuntime aggregationRuntime : aggregationMap.values()) {
aggregationRuntime.startPurging();
}
}
for (Trigger trigger : siddhiAppContext.getTriggerHolders()) {
trigger.start();
}
inputManager.connect();
runningWithoutSources = true;
} catch (Throwable t) {
log.error("Error starting Siddhi App '" + siddhiAppContext.getName() + "', " + "triggering shutdown process. " + t.getMessage());
try {
shutdown();
} catch (Throwable t1) {
log.error("Error shutting down partially started Siddhi App '" + siddhiAppContext.getName() + "', " + t1.getMessage());
}
}
}
}
use of io.siddhi.core.table.Table in project siddhi by wso2.
the class SiddhiAppRuntimeImpl 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().getId());
}
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().getId());
}
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.getId();
}
if (elementId != null) {
recordTableHandlerManager.unregisterRecordTableHandler(elementId);
}
}
table.shutdown();
}
for (ExternalReferencedHolder externalReferencedHolder : siddhiAppContext.getExternalReferencedHolders()) {
try {
externalReferencedHolder.stop();
} catch (Throwable t) {
log.error(StringUtil.removeCRLFCharacters(ExceptionUtil.getMessageWithContext(t, siddhiAppContext)) + " Error while stopping ExternalReferencedHolder '" + StringUtil.removeCRLFCharacters(externalReferencedHolder.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.getRootMetricsLevel().compareTo(Level.OFF) != 0) {
siddhiAppContext.getStatisticsManager().stopReporting();
}
siddhiAppContext.getStatisticsManager().cleanup();
}
running = false;
runningWithoutSources = false;
}
use of io.siddhi.core.table.Table in project siddhi by wso2.
the class IncrementalExecutorsInitialiser method initialiseExecutors.
public synchronized void initialiseExecutors() {
if (this.isInitialised || isReadOnly) {
// Only cleared when executors change from reading to processing state in one node deployment
return;
}
Event[] events;
Long lastData = null;
// Get max(AGG_TIMESTAMP) from table corresponding to max duration
Table tableForMaxDuration = aggregationTables.get(incrementalDurations.get(incrementalDurations.size() - 1));
OnDemandQuery onDemandQuery = getOnDemandQuery(tableForMaxDuration, true, endOFLatestEventTimestamp);
onDemandQuery.setType(OnDemandQuery.OnDemandQueryType.FIND);
OnDemandQueryRuntime onDemandQueryRuntime = OnDemandQueryParser.parse(onDemandQuery, null, siddhiAppContext, tableMap, windowMap, aggregationMap);
// Get latest event timestamp in tableForMaxDuration and get the end time of the aggregation record
events = onDemandQueryRuntime.execute();
if (events != null) {
lastData = (Long) events[events.length - 1].getData(0);
endOFLatestEventTimestamp = IncrementalTimeConverterUtil.getNextEmitTime(lastData, incrementalDurations.get(incrementalDurations.size() - 1), timeZone);
}
if (isPersistedAggregation) {
for (int i = incrementalDurations.size() - 1; i > 0; i--) {
if (lastData != null && !IncrementalTimeConverterUtil.isAggregationDataComplete(lastData, incrementalDurations.get(i), timeZone)) {
recreateState(lastData, incrementalDurations.get(i), aggregationTables.get(incrementalDurations.get(i - 1)), i == 1);
} else if (lastData == null) {
recreateState(null, incrementalDurations.get(i), aggregationTables.get(incrementalDurations.get(i - 1)), i == 1);
}
if (i > 1) {
onDemandQuery = getOnDemandQuery(aggregationTables.get(incrementalDurations.get(i - 1)), true, endOFLatestEventTimestamp);
onDemandQuery.setType(OnDemandQuery.OnDemandQueryType.FIND);
onDemandQueryRuntime = OnDemandQueryParser.parse(onDemandQuery, null, siddhiAppContext, tableMap, windowMap, aggregationMap);
events = onDemandQueryRuntime.execute();
if (events != null) {
lastData = (Long) events[events.length - 1].getData(0);
} else {
lastData = null;
}
}
}
} else {
for (int i = incrementalDurations.size() - 1; i > 0; i--) {
TimePeriod.Duration recreateForDuration = incrementalDurations.get(i);
Executor incrementalExecutor = incrementalExecutorMap.get(recreateForDuration);
// Get the table previous to the duration for which we need to recreate (e.g. if we want to recreate
// for minute duration, take the second table [provided that aggregation is done for seconds])
// This lookup is filtered by endOFLatestEventTimestamp
Table recreateFromTable = aggregationTables.get(incrementalDurations.get(i - 1));
onDemandQuery = getOnDemandQuery(recreateFromTable, false, endOFLatestEventTimestamp);
onDemandQuery.setType(OnDemandQuery.OnDemandQueryType.FIND);
onDemandQueryRuntime = OnDemandQueryParser.parse(onDemandQuery, null, siddhiAppContext, tableMap, windowMap, aggregationMap);
events = onDemandQueryRuntime.execute();
if (events != null) {
long referenceToNextLatestEvent = (Long) events[events.length - 1].getData(0);
endOFLatestEventTimestamp = IncrementalTimeConverterUtil.getNextEmitTime(referenceToNextLatestEvent, incrementalDurations.get(i - 1), timeZone);
ComplexEventChunk<StreamEvent> complexEventChunk = new ComplexEventChunk<>();
for (Event event : events) {
StreamEvent streamEvent = streamEventFactory.newInstance();
streamEvent.setOutputData(event.getData());
complexEventChunk.add(streamEvent);
}
incrementalExecutor.execute(complexEventChunk);
if (i == 1) {
TimePeriod.Duration rootDuration = incrementalDurations.get(0);
Executor rootIncrementalExecutor = incrementalExecutorMap.get(rootDuration);
long emitTimeOfLatestEventInTable = IncrementalTimeConverterUtil.getNextEmitTime(referenceToNextLatestEvent, rootDuration, timeZone);
rootIncrementalExecutor.setEmitTime(emitTimeOfLatestEventInTable);
}
}
}
}
this.isInitialised = true;
}
use of io.siddhi.core.table.Table in project siddhi by wso2.
the class ExpressionParser method parseExpression.
/**
* Parse the given expression and create the appropriate Executor by recursively traversing the expression
*
* @param expression Expression to be parsed
* @param metaEvent Meta Event
* @param currentState Current state number
* @param tableMap Event Table Map
* @param executorList List to hold VariableExpressionExecutors to update after query parsing
* @param groupBy is for groupBy expression
* @param defaultStreamEventIndex Default StreamEvent Index
* @param processingMode processing mode of the query
* @param outputExpectsExpiredEvents is expired events sent as output
* @param siddhiQueryContext current siddhi query context
* @return ExpressionExecutor
*/
public static ExpressionExecutor parseExpression(Expression expression, MetaComplexEvent metaEvent, int currentState, Map<String, Table> tableMap, List<VariableExpressionExecutor> executorList, boolean groupBy, int defaultStreamEventIndex, ProcessingMode processingMode, boolean outputExpectsExpiredEvents, SiddhiQueryContext siddhiQueryContext) {
try {
if (expression instanceof And) {
return new AndConditionExpressionExecutor(parseExpression(((And) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext), parseExpression(((And) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext));
} else if (expression instanceof Or) {
return new OrConditionExpressionExecutor(parseExpression(((Or) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext), parseExpression(((Or) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext));
} else if (expression instanceof Not) {
return new NotConditionExpressionExecutor(parseExpression(((Not) expression).getExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext));
} else if (expression instanceof Compare) {
if (((Compare) expression).getOperator() == Compare.Operator.EQUAL) {
Expression leftExpression = ((Compare) expression).getLeftExpression();
Expression rightExpression = ((Compare) expression).getRightExpression();
ExpressionExecutor leftExpressionExecutor = parseExpression(leftExpression, metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext);
ExpressionExecutor rightExpressionExecutor = parseExpression(rightExpression, metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext);
return parseEqualCompare(leftExpressionExecutor, rightExpressionExecutor);
} else if (((Compare) expression).getOperator() == Compare.Operator.NOT_EQUAL) {
return parseNotEqualCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext));
} else if (((Compare) expression).getOperator() == Compare.Operator.GREATER_THAN) {
return parseGreaterThanCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext));
} else if (((Compare) expression).getOperator() == Compare.Operator.GREATER_THAN_EQUAL) {
return parseGreaterThanEqualCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext));
} else if (((Compare) expression).getOperator() == Compare.Operator.LESS_THAN) {
return parseLessThanCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext));
} else if (((Compare) expression).getOperator() == Compare.Operator.LESS_THAN_EQUAL) {
return parseLessThanEqualCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext));
}
} else if (expression instanceof Constant) {
if (expression instanceof BoolConstant) {
return new ConstantExpressionExecutor(((BoolConstant) expression).getValue(), Attribute.Type.BOOL);
} else if (expression instanceof StringConstant) {
return new ConstantExpressionExecutor(((StringConstant) expression).getValue(), Attribute.Type.STRING);
} else if (expression instanceof IntConstant) {
return new ConstantExpressionExecutor(((IntConstant) expression).getValue(), Attribute.Type.INT);
} else if (expression instanceof LongConstant) {
return new ConstantExpressionExecutor(((LongConstant) expression).getValue(), Attribute.Type.LONG);
} else if (expression instanceof FloatConstant) {
return new ConstantExpressionExecutor(((FloatConstant) expression).getValue(), Attribute.Type.FLOAT);
} else if (expression instanceof DoubleConstant) {
return new ConstantExpressionExecutor(((DoubleConstant) expression).getValue(), Attribute.Type.DOUBLE);
}
} else if (expression instanceof Variable) {
return parseVariable((Variable) expression, metaEvent, currentState, executorList, defaultStreamEventIndex, siddhiQueryContext);
} else if (expression instanceof Multiply) {
ExpressionExecutor left = parseExpression(((Multiply) expression).getLeftValue(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext);
ExpressionExecutor right = parseExpression(((Multiply) expression).getRightValue(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext);
Attribute.Type type = parseArithmeticOperationResultType(left, right);
switch(type) {
case INT:
return new MultiplyExpressionExecutorInt(left, right);
case LONG:
return new MultiplyExpressionExecutorLong(left, right);
case FLOAT:
return new MultiplyExpressionExecutorFloat(left, right);
case DOUBLE:
return new MultiplyExpressionExecutorDouble(left, right);
// Will not happen. Handled in parseArithmeticOperationResultType()
default:
}
} else if (expression instanceof Add) {
ExpressionExecutor left = parseExpression(((Add) expression).getLeftValue(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext);
ExpressionExecutor right = parseExpression(((Add) expression).getRightValue(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext);
Attribute.Type type = parseArithmeticOperationResultType(left, right);
switch(type) {
case INT:
return new AddExpressionExecutorInt(left, right);
case LONG:
return new AddExpressionExecutorLong(left, right);
case FLOAT:
return new AddExpressionExecutorFloat(left, right);
case DOUBLE:
return new AddExpressionExecutorDouble(left, right);
// Will not happen. Handled in parseArithmeticOperationResultType()
default:
}
} else if (expression instanceof Subtract) {
ExpressionExecutor left = parseExpression(((Subtract) expression).getLeftValue(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext);
ExpressionExecutor right = parseExpression(((Subtract) expression).getRightValue(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext);
Attribute.Type type = parseArithmeticOperationResultType(left, right);
switch(type) {
case INT:
return new SubtractExpressionExecutorInt(left, right);
case LONG:
return new SubtractExpressionExecutorLong(left, right);
case FLOAT:
return new SubtractExpressionExecutorFloat(left, right);
case DOUBLE:
return new SubtractExpressionExecutorDouble(left, right);
// Will not happen. Handled in parseArithmeticOperationResultType()
default:
}
} else if (expression instanceof Mod) {
ExpressionExecutor left = parseExpression(((Mod) expression).getLeftValue(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext);
ExpressionExecutor right = parseExpression(((Mod) expression).getRightValue(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext);
Attribute.Type type = parseArithmeticOperationResultType(left, right);
switch(type) {
case INT:
return new ModExpressionExecutorInt(left, right);
case LONG:
return new ModExpressionExecutorLong(left, right);
case FLOAT:
return new ModExpressionExecutorFloat(left, right);
case DOUBLE:
return new ModExpressionExecutorDouble(left, right);
// Will not happen. Handled in parseArithmeticOperationResultType()
default:
}
} else if (expression instanceof Divide) {
ExpressionExecutor left = parseExpression(((Divide) expression).getLeftValue(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext);
ExpressionExecutor right = parseExpression(((Divide) expression).getRightValue(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext);
Attribute.Type type = parseArithmeticOperationResultType(left, right);
switch(type) {
case INT:
return new DivideExpressionExecutorInt(left, right);
case LONG:
return new DivideExpressionExecutorLong(left, right);
case FLOAT:
return new DivideExpressionExecutorFloat(left, right);
case DOUBLE:
return new DivideExpressionExecutorDouble(left, right);
// Will not happen. Handled in parseArithmeticOperationResultType()
default:
}
} else if (expression instanceof AttributeFunction) {
// extensions
Object executor;
try {
if ((siddhiQueryContext.getSiddhiAppContext().isFunctionExist(((AttributeFunction) expression).getName())) && (((AttributeFunction) expression).getNamespace()).isEmpty()) {
executor = new ScriptFunctionExecutor(((AttributeFunction) expression).getName());
} else {
executor = SiddhiClassLoader.loadExtensionImplementation((AttributeFunction) expression, FunctionExecutorExtensionHolder.getInstance(siddhiQueryContext.getSiddhiAppContext()));
}
} catch (SiddhiAppCreationException ex) {
try {
executor = SiddhiClassLoader.loadExtensionImplementation((AttributeFunction) expression, AttributeAggregatorExtensionHolder.getInstance(siddhiQueryContext.getSiddhiAppContext()));
} catch (SiddhiAppCreationException e) {
throw new ExtensionNotFoundException("'" + ((AttributeFunction) expression).getName() + "' is" + " neither a function extension nor an aggregated attribute extension", expression.getQueryContextStartIndex(), expression.getQueryContextEndIndex());
}
}
ConfigReader configReader = siddhiQueryContext.getSiddhiContext().getConfigManager().generateConfigReader(((AttributeFunction) expression).getNamespace(), ((AttributeFunction) expression).getName());
if (executor instanceof FunctionExecutor) {
FunctionExecutor expressionExecutor = (FunctionExecutor) executor;
Expression[] innerExpressions = ((AttributeFunction) expression).getParameters();
ExpressionExecutor[] innerExpressionExecutors = parseInnerExpression(innerExpressions, metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext);
expressionExecutor.initExecutor(innerExpressionExecutors, processingMode, configReader, groupBy, siddhiQueryContext);
if (expressionExecutor.getReturnType() == Attribute.Type.BOOL) {
return new BoolConditionExpressionExecutor(expressionExecutor);
}
return expressionExecutor;
} else {
AttributeAggregatorExecutor attributeAggregatorExecutor = (AttributeAggregatorExecutor) executor;
Expression[] innerExpressions = ((AttributeFunction) expression).getParameters();
ExpressionExecutor[] innerExpressionExecutors = parseInnerExpression(innerExpressions, metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext);
attributeAggregatorExecutor.initAggregator(innerExpressionExecutors, processingMode, outputExpectsExpiredEvents, configReader, groupBy, siddhiQueryContext);
// AbstractAggregationAttributeExecutor aggregationAttributeProcessor;
// if (groupBy) {
// aggregationAttributeProcessor = new GroupByAggregationAttributeExecutor(attributeAggregatorExecutor,
// innerExpressionExecutors, configReader, siddhiQueryContext);
// } else {
// aggregationAttributeProcessor = new AggregationAttributeExecutor(attributeAggregatorExecutor,
// innerExpressionExecutors, siddhiQueryContext);
// }
SelectorParser.getContainsAggregatorThreadLocal().set("true");
return attributeAggregatorExecutor;
}
} else if (expression instanceof In) {
Table table = tableMap.get(((In) expression).getSourceId());
MatchingMetaInfoHolder matchingMetaInfoHolder = MatcherParser.constructMatchingMetaStateHolder(metaEvent, defaultStreamEventIndex, table.getTableDefinition(), defaultStreamEventIndex);
CompiledCondition compiledCondition = table.compileCondition(((In) expression).getExpression(), matchingMetaInfoHolder, executorList, tableMap, siddhiQueryContext);
return new InConditionExpressionExecutor(table, compiledCondition, matchingMetaInfoHolder.getMetaStateEvent().getMetaStreamEvents().length, metaEvent instanceof StateEvent, 0);
} else if (expression instanceof IsNull) {
IsNull isNull = (IsNull) expression;
if (isNull.getExpression() != null) {
ExpressionExecutor innerExpressionExecutor = parseExpression(isNull.getExpression(), metaEvent, currentState, tableMap, executorList, groupBy, defaultStreamEventIndex, processingMode, outputExpectsExpiredEvents, siddhiQueryContext);
return new IsNullConditionExpressionExecutor(innerExpressionExecutor);
} else {
String streamId = isNull.getStreamId();
Integer streamIndex = isNull.getStreamIndex();
if (metaEvent instanceof MetaStateEvent) {
int[] eventPosition = new int[2];
if (streamIndex != null) {
if (streamIndex <= SiddhiConstants.LAST) {
eventPosition[SiddhiConstants.STREAM_EVENT_INDEX_IN_CHAIN] = streamIndex + 1;
} else {
eventPosition[SiddhiConstants.STREAM_EVENT_INDEX_IN_CHAIN] = streamIndex;
}
} else {
eventPosition[SiddhiConstants.STREAM_EVENT_INDEX_IN_CHAIN] = defaultStreamEventIndex;
}
eventPosition[SiddhiConstants.STREAM_EVENT_CHAIN_INDEX] = SiddhiConstants.UNKNOWN_STATE;
MetaStateEvent metaStateEvent = (MetaStateEvent) metaEvent;
if (streamId == null) {
throw new SiddhiAppCreationException("IsNull does not support streamId being null", expression.getQueryContextStartIndex(), expression.getQueryContextEndIndex());
} else {
MetaStreamEvent[] metaStreamEvents = metaStateEvent.getMetaStreamEvents();
for (int i = 0, metaStreamEventsLength = metaStreamEvents.length; i < metaStreamEventsLength; i++) {
MetaStreamEvent metaStreamEvent = metaStreamEvents[i];
AbstractDefinition definition = metaStreamEvent.getLastInputDefinition();
if (metaStreamEvent.getInputReferenceId() == null) {
if (definition.getId().equals(streamId)) {
eventPosition[SiddhiConstants.STREAM_EVENT_CHAIN_INDEX] = i;
break;
}
} else {
if (metaStreamEvent.getInputReferenceId().equals(streamId)) {
eventPosition[SiddhiConstants.STREAM_EVENT_CHAIN_INDEX] = i;
if (currentState > -1 && metaStreamEvents[currentState].getInputReferenceId() != null && streamIndex != null && streamIndex <= SiddhiConstants.LAST) {
if (streamId.equals(metaStreamEvents[currentState].getInputReferenceId())) {
eventPosition[SiddhiConstants.STREAM_EVENT_INDEX_IN_CHAIN] = streamIndex;
}
}
break;
}
}
}
}
return new IsNullStreamConditionExpressionExecutor(eventPosition);
} else {
return new IsNullStreamConditionExpressionExecutor(null);
}
}
}
throw new UnsupportedOperationException(expression.toString() + " not supported!");
} catch (Throwable t) {
ExceptionUtil.populateQueryContext(t, expression, siddhiQueryContext.getSiddhiAppContext(), siddhiQueryContext);
throw t;
}
}
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