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

Class AggregationGroupByRollupLevel

java.lang.Object

com.espertech.esper.common.internal.epl.agg.core.AggregationGroupByRollupLevel

public abstract class AggregationGroupByRollupLevel
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final EPTypeClass	EPTYPE
static final EPTypeClass	EPTYPEARRAY

Constructor Summary

Constructors

Constructor	Description
AggregationGroupByRollupLevel(int levelNumber, int levelOffset, int[] rollupKeys, DataInputOutputSerde subkeySerde)

Method Summary

Modifier and Type	Method	Description
Object[]	computeMultiKey(Object subkey, int numExpected)
abstract Object	computeSubkey(Object groupKey)
int	getAggregationOffset()
int	getLevelNumber()
int	getLevelOffset()
int[]	getRollupKeys()
DataInputOutputSerde	getSubkeySerde()
boolean	isAggregationTop()
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

EPTYPE

public static final EPTypeClass EPTYPE

EPTYPEARRAY

public static final EPTypeClass EPTYPEARRAY

Constructor Details

AggregationGroupByRollupLevel

public AggregationGroupByRollupLevel(int levelNumber,
 int levelOffset,
 int[] rollupKeys,
 DataInputOutputSerde subkeySerde)

Method Details

computeSubkey

public abstract Object computeSubkey(Object groupKey)

getLevelNumber

public int getLevelNumber()

isAggregationTop

public boolean isAggregationTop()

getAggregationOffset

public int getAggregationOffset()

getLevelOffset

public int getLevelOffset()

getRollupKeys

public int[] getRollupKeys()

getSubkeySerde

public DataInputOutputSerde getSubkeySerde()

toString

public String toString()

Overrides:

toString in class Object

computeMultiKey

public Object[] computeMultiKey(Object subkey,
 int numExpected)