com.espertech.esper.epl.lookup
Class SubordIndexedTableLookupTableStrategy

java.lang.Object
  com.espertech.esper.epl.lookup.SubordIndexedTableLookupTableStrategy

All Implemented Interfaces:

SubordTableLookupStrategy

public class SubordIndexedTableLookupTableStrategy
extends java.lang.Object
implements SubordTableLookupStrategy

Index lookup strategy for subqueries against tables, full table scan.

Constructor Summary

SubordIndexedTableLookupTableStrategy(SubordTableLookupStrategy inner, java.util.concurrent.locks.Lock lock)

Method Summary

LookupStrategyDesc	getStrategyDesc()
java.util.Collection<EventBean>	lookup(EventBean[] events, ExprEvaluatorContext context) Returns matched events for a set of events to look up for.
java.lang.String	toQueryPlan()

Methods inherited from class java.lang.Object

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

Constructor Detail

SubordIndexedTableLookupTableStrategy

public SubordIndexedTableLookupTableStrategy(SubordTableLookupStrategy inner,
                                             java.util.concurrent.locks.Lock lock)

Method Detail

lookup

public java.util.Collection<EventBean> lookup(EventBean[] events,
                                              ExprEvaluatorContext context)

Description copied from interface: SubordTableLookupStrategy

Returns matched events for a set of events to look up for. Never returns an empty result set, always returns null to indicate no results.

Specified by:

lookup in interface SubordTableLookupStrategy

Parameters:

events - to look up

Returns:

set of matching events, or null if none matching

getStrategyDesc

public LookupStrategyDesc getStrategyDesc()

Specified by:

getStrategyDesc in interface SubordTableLookupStrategy

toQueryPlan

public java.lang.String toQueryPlan()

Specified by:

toQueryPlan in interface SubordTableLookupStrategy