com.espertech.esper.epl.join.pollindex

Class PollResultIndexingStrategyNoIndex

java.lang.Object

com.espertech.esper.epl.join.pollindex.PollResultIndexingStrategyNoIndex

All Implemented Interfaces:

PollResultIndexingStrategy

public class PollResultIndexingStrategyNoIndex
extends Object
implements PollResultIndexingStrategy

Strategy of indexing that simply builds an unindexed table of poll results.

For use when caching is disabled or when no proper index could be build because no where-clause or on-clause exists or these clauses don't yield indexable columns on analysis.

Constructor Summary

Constructors

Constructor and Description
PollResultIndexingStrategyNoIndex()

Method Summary

Modifier and Type	Method and Description
EventTable[]	index(List<EventBean> pollResult, boolean isActiveCache, StatementContext statementContext) Build and index of a poll result.
String	toQueryPlan()

Methods inherited from class java.lang.Object

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

Constructor Detail

PollResultIndexingStrategyNoIndex

public PollResultIndexingStrategyNoIndex()

Method Detail

index

public EventTable[] index(List<EventBean> pollResult,
                          boolean isActiveCache,
                          StatementContext statementContext)

Description copied from interface: PollResultIndexingStrategy

Build and index of a poll result.

Specified by:

index in interface PollResultIndexingStrategy

Parameters:

pollResult - result of a poll operation

isActiveCache - true to indicate that caching is active and therefore index building makes sense as the index structure is not a throw-away.

statementContext - statement context

Returns:

indexed collection of poll results

toQueryPlan

public String toQueryPlan()

Specified by:

toQueryPlan in interface PollResultIndexingStrategy