Package io.jmix.flowui.data.aggregation.impl

Class AbstractAggregation<T>

java.lang.Object

io.jmix.flowui.data.aggregation.impl.AbstractAggregation<T>

All Implemented Interfaces:

Aggregation<T>

Direct Known Subclasses:

AbstractNumberAggregation, CountAggregation, DateTimeAggregation

public abstract class AbstractAggregation<T>
extends Object
implements Aggregation<T>

Field Summary

Fields

Modifier and Type	Field	Description
protected Class<T>	clazz

Constructor Summary

Constructors

Constructor	Description
AbstractAggregation(Class<T> clazz)

Method Summary

Modifier and Type	Method	Description
T	avg(Collection<T> items)
int	count(Collection<T> items)
Class<T>	getResultClass()
EnumSet<AggregationInfo.Type>	getSupportedAggregationTypes()
T	max(Collection<T> items)
T	min(Collection<T> items)
T	sum(Collection<T> items)

Methods inherited from class java.lang.Object

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

Field Details

clazz

protected Class<T> clazz

Constructor Details

AbstractAggregation

public AbstractAggregation(Class<T> clazz)

Method Details

sum

public T sum(Collection<T> items)

Specified by:

sum in interface Aggregation<T>

avg

public T avg(Collection<T> items)

Specified by:

avg in interface Aggregation<T>

min

@Nullable
public T min(Collection<T> items)

Specified by:

min in interface Aggregation<T>

max

@Nullable
public T max(Collection<T> items)

Specified by:

max in interface Aggregation<T>

count

public int count(Collection<T> items)

Specified by:

count in interface Aggregation<T>

getResultClass

public Class<T> getResultClass()

Specified by:

getResultClass in interface Aggregation<T>

getSupportedAggregationTypes

public EnumSet<AggregationInfo.Type> getSupportedAggregationTypes()

Specified by:

getSupportedAggregationTypes in interface Aggregation<T>