use of org.ballerinalang.siddhi.core.executor.condition.ConditionExpressionExecutor in project ballerina by ballerina-lang.
the class SelectorParser method parse.
/**
* Parse Selector portion of a query and return corresponding QuerySelector.
*
* @param selector selector to be parsed
* @param outputStream output stream
* @param siddhiAppContext query to be parsed
* @param metaComplexEvent Meta event used to collect execution info of stream associated with query
* @param tableMap Table Map
* @param variableExpressionExecutors variable expression executors
* @param queryName query name of selector belongs to.
* @param metaPosition helps to identify the meta position of aggregates
* @return QuerySelector
*/
public static QuerySelector parse(Selector selector, OutputStream outputStream, SiddhiAppContext siddhiAppContext, MetaComplexEvent metaComplexEvent, Map<String, Table> tableMap, List<VariableExpressionExecutor> variableExpressionExecutors, String queryName, int metaPosition) {
boolean currentOn = false;
boolean expiredOn = false;
String id = null;
if (outputStream.getOutputEventType() == OutputStream.OutputEventType.CURRENT_EVENTS || outputStream.getOutputEventType() == OutputStream.OutputEventType.ALL_EVENTS) {
currentOn = true;
}
if (outputStream.getOutputEventType() == OutputStream.OutputEventType.EXPIRED_EVENTS || outputStream.getOutputEventType() == OutputStream.OutputEventType.ALL_EVENTS) {
expiredOn = true;
}
id = outputStream.getId();
containsAggregatorThreadLocal.remove();
QuerySelector querySelector = new QuerySelector(id, selector, currentOn, expiredOn, siddhiAppContext);
List<AttributeProcessor> attributeProcessors = getAttributeProcessors(selector, id, siddhiAppContext, metaComplexEvent, tableMap, variableExpressionExecutors, outputStream, queryName, metaPosition);
querySelector.setAttributeProcessorList(attributeProcessors, "true".equals(containsAggregatorThreadLocal.get()));
containsAggregatorThreadLocal.remove();
ConditionExpressionExecutor havingCondition = generateHavingExecutor(selector.getHavingExpression(), metaComplexEvent, siddhiAppContext, tableMap, variableExpressionExecutors, queryName);
querySelector.setHavingConditionExecutor(havingCondition, "true".equals(containsAggregatorThreadLocal.get()));
containsAggregatorThreadLocal.remove();
if (!selector.getGroupByList().isEmpty()) {
querySelector.setGroupByKeyGenerator(new GroupByKeyGenerator(selector.getGroupByList(), metaComplexEvent, SiddhiConstants.UNKNOWN_STATE, null, variableExpressionExecutors, siddhiAppContext, queryName));
}
if (!selector.getOrderByList().isEmpty()) {
querySelector.setOrderByEventComparator(new OrderByEventComparator(selector.getOrderByList(), metaComplexEvent, SiddhiConstants.HAVING_STATE, null, variableExpressionExecutors, siddhiAppContext, queryName));
}
if (selector.getLimit() != null) {
ExpressionExecutor expressionExecutor = ExpressionParser.parseExpression((Expression) selector.getLimit(), metaComplexEvent, SiddhiConstants.HAVING_STATE, tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
containsAggregatorThreadLocal.remove();
querySelector.setLimit(((Number) (((ConstantExpressionExecutor) expressionExecutor).getValue())).longValue());
}
return querySelector;
}
use of org.ballerinalang.siddhi.core.executor.condition.ConditionExpressionExecutor in project ballerina by ballerina-lang.
the class StreamPartitioner method createSingleInputStreamExecutors.
private void createSingleInputStreamExecutors(SingleInputStream inputStream, Partition partition, MetaStreamEvent metaEvent, List<VariableExpressionExecutor> executors, Map<String, Table> tableMap, SiddhiAppContext siddhiAppContext, String queryName) {
List<PartitionExecutor> executorList = new ArrayList<PartitionExecutor>();
partitionExecutorLists.add(executorList);
if (!inputStream.isInnerStream()) {
for (PartitionType partitionType : partition.getPartitionTypeMap().values()) {
if (partitionType instanceof ValuePartitionType) {
if (partitionType.getStreamId().equals(inputStream.getStreamId())) {
executorList.add(new ValuePartitionExecutor(ExpressionParser.parseExpression(((ValuePartitionType) partitionType).getExpression(), metaEvent, SiddhiConstants.UNKNOWN_STATE, tableMap, executors, siddhiAppContext, false, 0, queryName)));
}
} else {
for (RangePartitionType.RangePartitionProperty rangePartitionProperty : ((RangePartitionType) partitionType).getRangePartitionProperties()) {
if (partitionType.getStreamId().equals(inputStream.getStreamId())) {
executorList.add(new RangePartitionExecutor((ConditionExpressionExecutor) ExpressionParser.parseExpression(rangePartitionProperty.getCondition(), metaEvent, SiddhiConstants.UNKNOWN_STATE, tableMap, executors, siddhiAppContext, false, 0, queryName), rangePartitionProperty.getPartitionKey()));
}
}
}
}
}
}
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