Record Class Aggregate<T>

java.lang.Object

java.lang.Record

ch.tocco.nice2.persist.core.api.hibernate.query.builder.Aggregate<T>

public record Aggregate<T>(AggregateFunction function, String field, Class<T> resultType)
extends Record

A single aggregate of an AggregateQueryBuilder, which is also used to read its value from the AggregateResult.

Constructor Summary

Constructors

Constructor	Description
Aggregate(AggregateFunction function, String field, Class<T> resultType)	Creates an instance of a Aggregate record class.

Method Summary

Modifier and Type	Method	Description
static Aggregate<Double>	avg(String field)
final boolean	equals(Object o)	Indicates whether some other object is "equal to" this one.
String	field()	Returns the value of the field record component.
AggregateFunction	function()	Returns the value of the function record component.
final int	hashCode()	Returns a hash code value for this object.
static <T> Aggregate<T>	max(String field, Class<T> resultType)
static <T> Aggregate<T>	min(String field, Class<T> resultType)
Class<T>	resultType()	Returns the value of the resultType record component.
static <T extends Number> Aggregate<T>	sum(String field, Class<T> resultType)
final String	toString()	Returns a string representation of this record class.

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

Aggregate

public Aggregate(AggregateFunction function,
 String field,
 Class<T> resultType)

Creates an instance of a Aggregate record class.

Parameters:

function - the value for the function record component

field - the value for the field record component

resultType - the value for the resultType record component

Method Details

sum

public static <T extends Number> Aggregate<T> sum(String field,
 Class<T> resultType)

avg

public static Aggregate<Double> avg(String field)

min

public static <T> Aggregate<T> min(String field,
 Class<T> resultType)

max

public static <T> Aggregate<T> max(String field,
 Class<T> resultType)

toString

public final String toString()

Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.

Specified by:

toString in class Record

Returns:

a string representation of this object

hashCode

public final int hashCode()

Returns a hash code value for this object. The value is derived from the hash code of each of the record components.

Specified by:

hashCode in class Record

Returns:

a hash code value for this object

equals

public final boolean equals(Object o)

Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with Objects::equals(Object,Object).

Specified by:

equals in class Record

Parameters:

o - the object with which to compare

Returns:

true if this object is the same as the o argument; false otherwise.

function

public AggregateFunction function()

Returns the value of the function record component.

Returns:

the value of the function record component

field

public String field()

Returns the value of the field record component.

Returns:

the value of the field record component

resultType

public Class<T> resultType()

Returns the value of the resultType record component.

Returns:

the value of the resultType record component