Package com.espertech.esper.common.internal.epl.rowrecog.core

Class RowRecogPreviousStrategyImpl

java.lang.Object

com.espertech.esper.common.internal.epl.rowrecog.core.RowRecogPreviousStrategyImpl

All Implemented Interfaces:

RowRecogPreviousStrategy

public class RowRecogPreviousStrategyImpl
extends Object
implements RowRecogPreviousStrategy

Getter that provides an index at runtime.

Field Summary

Fields inherited from interface com.espertech.esper.common.internal.epl.rowrecog.core.RowRecogPreviousStrategy

EPTYPE

Constructor Summary

Constructors

Constructor	Description
RowRecogPreviousStrategyImpl(int[] randomAccessIndexesRequested, boolean isUnbound)	Ctor.

Method Summary

Modifier and Type	Method	Description
RowRecogStateRandomAccess	getAccess(ExprEvaluatorContext exprEvaluatorContext)
RowRecogStateRandomAccess	getAccessor()	Returns the index for access.
int[]	getIndexesRequested()	Returns indexs.
int	getIndexesRequestedLen()	Returns length of indexes.
int	getMaxPriorIndex()	Returns max index.
boolean	isUnbound()	Returns true for unbound.
void	setRandomAccess(RowRecogStateRandomAccess randomAccess)	Sets the random access.

Methods inherited from class java.lang.Object

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

Constructor Details

RowRecogPreviousStrategyImpl

public RowRecogPreviousStrategyImpl(int[] randomAccessIndexesRequested,
 boolean isUnbound)

Ctor.

Parameters:

randomAccessIndexesRequested - requested indexes

isUnbound - true if unbound

Method Details

getAccess

public RowRecogStateRandomAccess getAccess(ExprEvaluatorContext exprEvaluatorContext)

Specified by:

getAccess in interface RowRecogPreviousStrategy

getMaxPriorIndex

public int getMaxPriorIndex()

Returns max index.

Returns:

index

getIndexesRequested

public int[] getIndexesRequested()

Returns indexs.

Returns:

indexes.

getIndexesRequestedLen

public int getIndexesRequestedLen()

Returns length of indexes.

Returns:

index len

isUnbound

public boolean isUnbound()

Returns true for unbound.

Returns:

unbound indicator

getAccessor

public RowRecogStateRandomAccess getAccessor()

Returns the index for access.

Returns:

index

setRandomAccess

public void setRandomAccess(RowRecogStateRandomAccess randomAccess)

Sets the random access.

Parameters:

randomAccess - to use