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 and Description
static EPTypeClass	EPTYPE
static EPTypeClass	EPTYPEARRAY

Constructor Summary

Constructors

Constructor and Description
AggregationGroupByRollupLevel(int levelNumber, int levelOffset, int[] rollupKeys, DataInputOutputSerde<Object> subkeySerde)

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

EPTYPE

public static final EPTypeClass EPTYPE

EPTYPEARRAY

public static final EPTypeClass EPTYPEARRAY

Constructor Detail

AggregationGroupByRollupLevel

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

Method Detail

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<Object> getSubkeySerde()

toString

public String toString()

Overrides:

toString in class Object

computeMultiKey

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