org.wso2.siddhi.core.query.selector

Class GroupByKeyGenerator

java.lang.Object

org.wso2.siddhi.core.query.selector.GroupByKeyGenerator

public class GroupByKeyGenerator
extends Object

Class to generate keys for GroupBy groups

Constructor Summary

Constructors

Constructor and Description
GroupByKeyGenerator(List<org.wso2.siddhi.query.api.expression.Variable> groupByList, MetaComplexEvent metaComplexEvent, int currentState, Map<String,Table> tableMap, List<VariableExpressionExecutor> executors, SiddhiAppContext siddhiContext, String queryName)

Method Summary

Modifier and Type	Method and Description
String	constructEventKey(ComplexEvent event) generate groupBy key of a streamEvent

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupByKeyGenerator

public GroupByKeyGenerator(List<org.wso2.siddhi.query.api.expression.Variable> groupByList,
                           MetaComplexEvent metaComplexEvent,
                           int currentState,
                           Map<String,Table> tableMap,
                           List<VariableExpressionExecutor> executors,
                           SiddhiAppContext siddhiContext,
                           String queryName)

Method Detail

constructEventKey

public String constructEventKey(ComplexEvent event)

generate groupBy key of a streamEvent

Parameters:

event - complexEvent

Returns:

GroupByKey