Package com.espertech.esper.common.internal.epl.historical.lookupstrategy

Class HistoricalIndexLookupStrategyNoIndex

java.lang.Object

com.espertech.esper.common.internal.epl.historical.lookupstrategy.HistoricalIndexLookupStrategyNoIndex

All Implemented Interfaces:

HistoricalIndexLookupStrategy

public class HistoricalIndexLookupStrategyNoIndex
extends Object
implements HistoricalIndexLookupStrategy

Full table scan strategy for a poll-based cache result.

Field Summary

Fields

Modifier and Type	Field	Description
static final HistoricalIndexLookupStrategyNoIndex	INSTANCE

Method Summary

Modifier and Type	Method	Description
Iterator<EventBean>	lookup(EventBean lookupEvent, EventTable[] index, ExprEvaluatorContext context)	Look up into the index, potentially using some of the properties in the lookup event, returning a partial or full result in respect to the index.

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final HistoricalIndexLookupStrategyNoIndex INSTANCE

Method Details

lookup

public Iterator<EventBean> lookup(EventBean lookupEvent,
 EventTable[] index,
 ExprEvaluatorContext context)

Description copied from interface: HistoricalIndexLookupStrategy

Look up into the index, potentially using some of the properties in the lookup event, returning a partial or full result in respect to the index.

Specified by:

lookup in interface HistoricalIndexLookupStrategy

Parameters:

lookupEvent - provides properties to use as key values for indexes

index - is the table providing the cache result set, potentially indexed by index fields

context - context

Returns:

full set or partial index iterator