Package com.espertech.esper.common.internal.view.access

Class RandomAccessByIndexGetter

java.lang.Object

com.espertech.esper.common.internal.view.access.RandomAccessByIndexGetter

All Implemented Interfaces:

RandomAccessByIndexObserver, PreviousGetterStrategy

public class RandomAccessByIndexGetter
extends Object
implements RandomAccessByIndexObserver, PreviousGetterStrategy

Getter that provides an index at runtime.

Field Summary

Fields

Modifier and Type	Field	Description
static final EPTypeClass	EPTYPE

Fields inherited from interface com.espertech.esper.common.internal.view.previous.PreviousGetterStrategy

EMPTY_ARRAY

Constructor Summary

Constructors

Constructor	Description
RandomAccessByIndexGetter()

Method Summary

Modifier and Type	Method	Description
RandomAccessByIndex	getAccessor()	Returns the index for access.
PreviousGetterStrategy	getStrategy(ExprEvaluatorContext ctx)
void	updated(RandomAccessByIndex randomAccessByIndex)	Callback to indicate an update

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

RandomAccessByIndexGetter

public RandomAccessByIndexGetter()

Method Details

getAccessor

public RandomAccessByIndex getAccessor()

Returns the index for access.

Returns:

index

updated

public void updated(RandomAccessByIndex randomAccessByIndex)

Description copied from interface: RandomAccessByIndexObserver

Callback to indicate an update

Specified by:

updated in interface RandomAccessByIndexObserver

Parameters:

randomAccessByIndex - is the collection

getStrategy

public PreviousGetterStrategy getStrategy(ExprEvaluatorContext ctx)

Specified by:

getStrategy in interface PreviousGetterStrategy