com.espertech.esper.epl.lookup

Class SubordIndexedTableLookupStrategyPropFactory

java.lang.Object

com.espertech.esper.epl.lookup.SubordIndexedTableLookupStrategyPropFactory

All Implemented Interfaces:

SubordTableLookupStrategyFactory

public class SubordIndexedTableLookupStrategyPropFactory
extends Object
implements SubordTableLookupStrategyFactory

Index lookup strategy for subqueries.

Constructor Summary

Constructors

Constructor and Description
SubordIndexedTableLookupStrategyPropFactory(boolean isNWOnTrigger, EventType[] eventTypes, int[] keyStreamNumbers, String[] properties) Ctor.

Method Summary

Modifier and Type	Method and Description
String[]	getProperties() Returns properties to use from lookup event to look up in index.
SubordTableLookupStrategy	makeStrategy(EventTable[] eventTable, VirtualDWView vdw)
String	toQueryPlan()

Methods inherited from class java.lang.Object

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

Constructor Detail

SubordIndexedTableLookupStrategyPropFactory

public SubordIndexedTableLookupStrategyPropFactory(boolean isNWOnTrigger,
                                                   EventType[] eventTypes,
                                                   int[] keyStreamNumbers,
                                                   String[] properties)

Ctor.

Parameters:

eventTypes - is the event types per stream

keyStreamNumbers - is the stream number per property

properties - is the key properties

isNWOnTrigger - indicator whether named window trigger

Method Detail

makeStrategy

public SubordTableLookupStrategy makeStrategy(EventTable[] eventTable,
                                              VirtualDWView vdw)

Specified by:

makeStrategy in interface SubordTableLookupStrategyFactory

getProperties

public String[] getProperties()

Returns properties to use from lookup event to look up in index.

Returns:

properties to use from lookup event

toQueryPlan

public String toQueryPlan()

Specified by:

toQueryPlan in interface SubordTableLookupStrategyFactory