use of org.wso2.siddhi.core.util.config.ConfigReader in project carbon-apimgt by wso2.
the class ThrottleStreamProcessor method init.
@Override
protected List<Attribute> init(AbstractDefinition abstractDefinition, ExpressionExecutor[] expressionExecutors, ConfigReader configReader, SiddhiAppContext siddhiAppContext) {
this.siddhiAppContext = siddhiAppContext;
if (attributeExpressionExecutors.length == 1) {
if (attributeExpressionExecutors[0] instanceof ConstantExpressionExecutor) {
if (attributeExpressionExecutors[0].getReturnType() == Attribute.Type.INT) {
timeInMilliSeconds = (Integer) ((ConstantExpressionExecutor) attributeExpressionExecutors[0]).getValue();
} else if (attributeExpressionExecutors[0].getReturnType() == Attribute.Type.LONG) {
timeInMilliSeconds = (Long) ((ConstantExpressionExecutor) attributeExpressionExecutors[0]).getValue();
} else {
throw new SiddhiAppValidationException("Throttle batch window's 1st parameter attribute should be " + "either int or long, but found " + attributeExpressionExecutors[0].getReturnType());
}
} else {
throw new SiddhiAppValidationException("Throttle batch window 1st parameter needs to be constant " + "parameter attribute but found a dynamic attribute " + attributeExpressionExecutors[0].getClass().getCanonicalName());
}
} else if (attributeExpressionExecutors.length == 2) {
if (attributeExpressionExecutors[0] instanceof ConstantExpressionExecutor) {
if (attributeExpressionExecutors[0].getReturnType() == Attribute.Type.INT) {
timeInMilliSeconds = (Integer) ((ConstantExpressionExecutor) attributeExpressionExecutors[0]).getValue();
} else if (attributeExpressionExecutors[0].getReturnType() == Attribute.Type.LONG) {
timeInMilliSeconds = (Long) ((ConstantExpressionExecutor) attributeExpressionExecutors[0]).getValue();
} else {
throw new SiddhiAppValidationException("Throttle batch window's 1st parameter attribute should be " + "either int or long, but found " + attributeExpressionExecutors[0].getReturnType());
}
} else {
throw new SiddhiAppValidationException("Throttle batch window 1st parameter needs to be constant " + "attribute but found a dynamic attribute " + attributeExpressionExecutors[0].getClass().getCanonicalName());
}
if (attributeExpressionExecutors[1].getReturnType() == Attribute.Type.INT) {
startTime = Integer.parseInt(String.valueOf(((ConstantExpressionExecutor) attributeExpressionExecutors[1]).getValue()));
} else if (attributeExpressionExecutors[1].getReturnType() == Attribute.Type.LONG) {
startTime = Long.parseLong(String.valueOf(((ConstantExpressionExecutor) attributeExpressionExecutors[1]).getValue()));
} else {
throw new SiddhiAppValidationException("Throttle batch window 2nd parameter needs to be a Long " + "or Int type but found a " + attributeExpressionExecutors[2].getReturnType());
}
} else {
throw new SiddhiAppValidationException("Throttle batch window should only have one/two parameter " + "(<int|long|time> windowTime (and <int|long> startTime), but found " + attributeExpressionExecutors.length + " input attributes");
}
List<Attribute> attributeList = new ArrayList<Attribute>();
attributeList.add(new Attribute(EXPIRY_TIME_STAMP, Attribute.Type.LONG));
return attributeList;
}
use of org.wso2.siddhi.core.util.config.ConfigReader 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 @return
* @param siddhiAppContext SiddhiAppContext
* @param groupBy is for groupBy expression
* @param defaultStreamEventIndex Default StreamEvent Index
* @param queryName query name of expression belongs to.
* @return ExpressionExecutor
*/
public static ExpressionExecutor parseExpression(Expression expression, MetaComplexEvent metaEvent, int currentState, Map<String, Table> tableMap, List<VariableExpressionExecutor> executorList, SiddhiAppContext siddhiAppContext, boolean groupBy, int defaultStreamEventIndex, String queryName) {
try {
if (expression instanceof And) {
return new AndConditionExpressionExecutor(parseExpression(((And) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((And) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
} else if (expression instanceof Or) {
return new OrConditionExpressionExecutor(parseExpression(((Or) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((Or) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
} else if (expression instanceof Not) {
return new NotConditionExpressionExecutor(parseExpression(((Not) expression).getExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
} else if (expression instanceof Compare) {
if (((Compare) expression).getOperator() == Compare.Operator.EQUAL) {
return parseEqualCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
} else if (((Compare) expression).getOperator() == Compare.Operator.NOT_EQUAL) {
return parseNotEqualCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
} else if (((Compare) expression).getOperator() == Compare.Operator.GREATER_THAN) {
return parseGreaterThanCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
} else if (((Compare) expression).getOperator() == Compare.Operator.GREATER_THAN_EQUAL) {
return parseGreaterThanEqualCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
} else if (((Compare) expression).getOperator() == Compare.Operator.LESS_THAN) {
return parseLessThanCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
} else if (((Compare) expression).getOperator() == Compare.Operator.LESS_THAN_EQUAL) {
return parseLessThanEqualCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
}
} 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);
} else if (expression instanceof Multiply) {
ExpressionExecutor left = parseExpression(((Multiply) expression).getLeftValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
ExpressionExecutor right = parseExpression(((Multiply) expression).getRightValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
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, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
ExpressionExecutor right = parseExpression(((Add) expression).getRightValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
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, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
ExpressionExecutor right = parseExpression(((Subtract) expression).getRightValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
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, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
ExpressionExecutor right = parseExpression(((Mod) expression).getRightValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
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, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
ExpressionExecutor right = parseExpression(((Divide) expression).getRightValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
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 ((siddhiAppContext.isFunctionExist(((AttributeFunction) expression).getName())) && (((AttributeFunction) expression).getNamespace()).isEmpty()) {
executor = new ScriptFunctionExecutor(((AttributeFunction) expression).getName());
} else {
executor = SiddhiClassLoader.loadExtensionImplementation((AttributeFunction) expression, FunctionExecutorExtensionHolder.getInstance(siddhiAppContext));
}
} catch (SiddhiAppCreationException ex) {
try {
executor = SiddhiClassLoader.loadExtensionImplementation((AttributeFunction) expression, AttributeAggregatorExtensionHolder.getInstance(siddhiAppContext));
} catch (SiddhiAppCreationException e) {
throw new SiddhiAppCreationException("'" + ((AttributeFunction) expression).getName() + "' is" + " neither a function extension nor an aggregated attribute extension", expression.getQueryContextStartIndex(), expression.getQueryContextEndIndex());
}
}
ConfigReader configReader = siddhiAppContext.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, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
expressionExecutor.initExecutor(innerExpressionExecutors, siddhiAppContext, queryName, configReader);
if (expressionExecutor.getReturnType() == Attribute.Type.BOOL) {
return new BoolConditionExpressionExecutor(expressionExecutor);
}
return expressionExecutor;
} else {
AttributeAggregator attributeAggregator = (AttributeAggregator) executor;
Expression[] innerExpressions = ((AttributeFunction) expression).getParameters();
ExpressionExecutor[] innerExpressionExecutors = parseInnerExpression(innerExpressions, metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
attributeAggregator.initAggregator(innerExpressionExecutors, siddhiAppContext, configReader);
AbstractAggregationAttributeExecutor aggregationAttributeProcessor;
if (groupBy) {
aggregationAttributeProcessor = new GroupByAggregationAttributeExecutor(attributeAggregator, innerExpressionExecutors, configReader, siddhiAppContext, queryName);
} else {
aggregationAttributeProcessor = new AggregationAttributeExecutor(attributeAggregator, innerExpressionExecutors, siddhiAppContext, queryName);
}
SelectorParser.getContainsAggregatorThreadLocal().set("true");
return aggregationAttributeProcessor;
}
} 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, siddhiAppContext, executorList, tableMap, queryName);
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, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
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 <= LAST) {
eventPosition[STREAM_EVENT_INDEX_IN_CHAIN] = streamIndex + 1;
} else {
eventPosition[STREAM_EVENT_INDEX_IN_CHAIN] = streamIndex;
}
} else {
eventPosition[STREAM_EVENT_INDEX_IN_CHAIN] = defaultStreamEventIndex;
}
eventPosition[STREAM_EVENT_CHAIN_INDEX] = 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[STREAM_EVENT_CHAIN_INDEX] = i;
break;
}
} else {
if (metaStreamEvent.getInputReferenceId().equals(streamId)) {
eventPosition[STREAM_EVENT_CHAIN_INDEX] = i;
if (currentState > -1 && metaStreamEvents[currentState].getInputReferenceId() != null && streamIndex != null && streamIndex <= LAST) {
if (streamId.equals(metaStreamEvents[currentState].getInputReferenceId())) {
eventPosition[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, siddhiAppContext);
throw t;
}
}
use of org.wso2.siddhi.core.util.config.ConfigReader 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())) {
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.wso2.siddhi.annotation.Extension.class), null);
OptionHolder mapOptionHolder = constructOptionHolder(streamDefinition, mapAnnotation, sourceMapper.getClass().getAnnotation(org.wso2.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.wso2.siddhi.core.util.config.ConfigReader in project siddhi by wso2.
the class DefinitionParserHelper method addTable.
public static void addTable(TableDefinition tableDefinition, ConcurrentMap<String, Table> tableMap, SiddhiAppContext siddhiAppContext) {
if (!tableMap.containsKey(tableDefinition.getId())) {
MetaStreamEvent tableMetaStreamEvent = new MetaStreamEvent();
tableMetaStreamEvent.addInputDefinition(tableDefinition);
for (Attribute attribute : tableDefinition.getAttributeList()) {
tableMetaStreamEvent.addOutputData(attribute);
}
StreamEventPool tableStreamEventPool = new StreamEventPool(tableMetaStreamEvent, 10);
StreamEventCloner tableStreamEventCloner = new StreamEventCloner(tableMetaStreamEvent, tableStreamEventPool);
Annotation annotation = AnnotationHelper.getAnnotation(SiddhiConstants.ANNOTATION_STORE, tableDefinition.getAnnotations());
Table table;
ConfigReader configReader = null;
RecordTableHandlerManager recordTableHandlerManager = null;
RecordTableHandler recordTableHandler = null;
if (annotation != null) {
annotation = updateAnnotationRef(annotation, SiddhiConstants.NAMESPACE_STORE, siddhiAppContext);
String tableType = annotation.getElement(SiddhiConstants.ANNOTATION_ELEMENT_TYPE);
Extension extension = new Extension() {
@Override
public String getNamespace() {
return SiddhiConstants.NAMESPACE_STORE;
}
@Override
public String getName() {
return tableType;
}
};
recordTableHandlerManager = siddhiAppContext.getSiddhiContext().getRecordTableHandlerManager();
if (recordTableHandlerManager != null) {
recordTableHandler = recordTableHandlerManager.generateRecordTableHandler();
}
table = (Table) SiddhiClassLoader.loadExtensionImplementation(extension, TableExtensionHolder.getInstance(siddhiAppContext));
configReader = siddhiAppContext.getSiddhiContext().getConfigManager().generateConfigReader(extension.getNamespace(), extension.getName());
} else {
table = new InMemoryTable();
}
table.initTable(tableDefinition, tableStreamEventPool, tableStreamEventCloner, configReader, siddhiAppContext, recordTableHandler);
if (recordTableHandler != null) {
recordTableHandlerManager.registerRecordTableHandler(recordTableHandler.getElementId(), recordTableHandler);
}
tableMap.putIfAbsent(tableDefinition.getId(), table);
}
}
use of org.wso2.siddhi.core.util.config.ConfigReader in project siddhi by wso2.
the class DefinitionParserHelper method addFunction.
public static void addFunction(SiddhiAppContext siddhiAppContext, final FunctionDefinition functionDefinition) {
Extension extension = new Extension() {
@Override
public String getNamespace() {
return "script";
}
@Override
public String getName() {
return functionDefinition.getLanguage().toLowerCase();
}
};
try {
Script script = (Script) SiddhiClassLoader.loadExtensionImplementation(extension, ScriptExtensionHolder.getInstance(siddhiAppContext));
ConfigReader configReader = siddhiAppContext.getSiddhiContext().getConfigManager().generateConfigReader(extension.getNamespace(), extension.getName());
script.setReturnType(functionDefinition.getReturnType());
script.init(functionDefinition.getId(), functionDefinition.getBody(), configReader);
siddhiAppContext.getScriptFunctionMap().put(functionDefinition.getId(), script);
} catch (Throwable t) {
ExceptionUtil.populateQueryContext(t, functionDefinition, siddhiAppContext);
throw t;
}
}
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