Class Aggregators

java.lang.Object

com.loomcache.server.compute.Aggregators

public final class Aggregators
extends Object

Factory methods for built-in map value aggregators.

Method Summary

Modifier and Type	Method	Description
static <K, V extends Number> AverageAggregator<K,V>	avg()
static <K, V extends Number> BigDecimalAverageAggregator<K,V>	bigDecimalAverage()
static <K, V extends Number> BigDecimalAverageAggregator<K,V>	bigDecimalAvg()
static <K, V extends Number> BigDecimalSumAggregator<K,V>	bigDecimalSum()
static <K, V extends Number> BigIntegerSumAggregator<K,V>	bigIntegerSum()
static <K, V extends Comparable<? super V>> ComparableMaxAggregator<K,V>	comparableMax()
static <K, V extends Comparable<? super V>> ComparableMinAggregator<K,V>	comparableMin()
static <K,V> CountAggregator<K,V>	count()
static <K,V> DistinctValuesAggregator<K,V>	distinct()
static <K,V> DistinctValuesAggregator<K,V>	distinct(int maxDistinctValues)
static <K, V extends Number> MaxAggregator<K,V>	max()
static <K, V extends Number> MinAggregator<K,V>	min()
static <K, V extends Number> SumAggregator<K,V>	sum()

Methods inherited from class Object

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

Method Details

count

public static <K,V> CountAggregator<K,V> count()

sum

public static <K, V extends Number>
SumAggregator<K,V> sum()

avg

public static <K, V extends Number>
AverageAggregator<K,V> avg()

min

public static <K, V extends Number>
MinAggregator<K,V> min()

max

public static <K, V extends Number>
MaxAggregator<K,V> max()

distinct

public static <K,V> DistinctValuesAggregator<K,V> distinct()

bigDecimalSum

public static <K, V extends Number>
BigDecimalSumAggregator<K,V> bigDecimalSum()

bigDecimalAvg

public static <K, V extends Number>
BigDecimalAverageAggregator<K,V> bigDecimalAvg()

bigDecimalAverage

public static <K, V extends Number>
BigDecimalAverageAggregator<K,V> bigDecimalAverage()

bigIntegerSum

public static <K, V extends Number>
BigIntegerSumAggregator<K,V> bigIntegerSum()

comparableMin

public static <K, V extends Comparable<? super V>>
ComparableMinAggregator<K,V> comparableMin()

comparableMax

public static <K, V extends Comparable<? super V>>
ComparableMaxAggregator<K,V> comparableMax()

distinct

public static <K,V> DistinctValuesAggregator<K,V> distinct(int maxDistinctValues)