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

Class PollResultIndexingStrategyHash

java.lang.Object

com.espertech.esper.common.internal.epl.historical.indexingstrategy.PollResultIndexingStrategyHash

All Implemented Interfaces:

PollResultIndexingStrategy

public class PollResultIndexingStrategyHash
extends Object
implements PollResultIndexingStrategy

Field Summary

Fields

Modifier and Type	Field	Description
static final EPTypeClass	EPTYPE

Fields inherited from interface com.espertech.esper.common.internal.epl.historical.indexingstrategy.PollResultIndexingStrategy

EPTYPEARRAY

Constructor Summary

Constructors

Constructor	Description
PollResultIndexingStrategyHash()

Method Summary

Modifier and Type	Method	Description
EventTable[]	index(List<EventBean> pollResult, boolean isActiveCache, ExprEvaluatorContext exprEvaluatorContext)	Build and index of a poll result.
void	init()
void	setPropertyNames(String[] propertyNames)
void	setStreamNum(int streamNum)
void	setValueGetter(EventPropertyValueGetter valueGetter)

Methods inherited from class java.lang.Object

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

Field Details

EPTYPE

public static final EPTypeClass EPTYPE

Constructor Details

PollResultIndexingStrategyHash

public PollResultIndexingStrategyHash()

Method Details

index

public EventTable[] index(List<EventBean> pollResult,
 boolean isActiveCache,
 ExprEvaluatorContext exprEvaluatorContext)

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.

exprEvaluatorContext - statement context

Returns:

indexed collection of poll results

setStreamNum

public void setStreamNum(int streamNum)

setPropertyNames

public void setPropertyNames(String[] propertyNames)

setValueGetter

public void setValueGetter(EventPropertyValueGetter valueGetter)

init

public void init()