io.siddhi.core.util.parser

Class SelectorParser

java.lang.Object

io.siddhi.core.util.parser.SelectorParser

public class SelectorParser
extends Object

Class to parse QuerySelector.

Constructor Summary

Constructors

Constructor and Description
SelectorParser()

Method Summary

Modifier and Type	Method and Description
static ThreadLocal<String>	getContainsAggregatorThreadLocal()
static QuerySelector	parse(io.siddhi.query.api.execution.query.selection.Selector selector, io.siddhi.query.api.execution.query.output.stream.OutputStream outputStream, MetaComplexEvent metaComplexEvent, Map<String,Table> tableMap, List<VariableExpressionExecutor> variableExpressionExecutors, int metaPosition, ProcessingMode processingMode, boolean outputExpectsExpiredEvents, SiddhiQueryContext siddhiQueryContext) Parse Selector portion of a query and return corresponding QuerySelector.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SelectorParser

public SelectorParser()

Method Detail

parse

public static QuerySelector parse(io.siddhi.query.api.execution.query.selection.Selector selector,
                                  io.siddhi.query.api.execution.query.output.stream.OutputStream outputStream,
                                  MetaComplexEvent metaComplexEvent,
                                  Map<String,Table> tableMap,
                                  List<VariableExpressionExecutor> variableExpressionExecutors,
                                  int metaPosition,
                                  ProcessingMode processingMode,
                                  boolean outputExpectsExpiredEvents,
                                  SiddhiQueryContext siddhiQueryContext)

Parse Selector portion of a query and return corresponding QuerySelector.

Parameters:

selector - selector to be parsed

outputStream - output stream

metaComplexEvent - Meta event used to collect execution info of stream associated with query

tableMap - Table Map

variableExpressionExecutors - variable expression executors

metaPosition - helps to identify the meta position of aggregates

processingMode - processing mode of the query

outputExpectsExpiredEvents - is expired events sent as output

siddhiQueryContext - current siddhi query context

Returns:

QuerySelector

getContainsAggregatorThreadLocal

public static ThreadLocal<String> getContainsAggregatorThreadLocal()