Module litebridge.orm

Package org.litebridge.orm.meta

Class NumericQueryField

java.lang.Object

org.litebridge.orm.meta.QueryField

org.litebridge.orm.meta.NumericQueryField

All Implemented Interfaces:

ExpressionSpec

public final class NumericQueryField
extends QueryField

Metamodel field for querying numeric-based columns in a type-safe manner.

This class extends the capabilities of QueryField by providing methods for common numeric operations, such as retrieving average, maximum, or minimum values.

Field Summary

Fields inherited from class org.litebridge.orm.meta.QueryField

dtoClass, field

Constructor Summary

Constructors

Constructor	Description
NumericQueryField(Class<?> dtoClass, String fieldName)	Creates a new NumericQueryField instance.

Method Summary

Modifier and Type	Method	Description
TypeOverrideExpressionSpec<Number>	avg()	AVG(): Returns the average value of a column/field.
TypeOverrideExpressionSpec<Number>	max()	MAX(): Returns the highest or largest value within a specified field.
TypeOverrideExpressionSpec<Number>	min()	MIN(): Returns the lowest or smallest value within a specified column or expression

Methods inherited from class org.litebridge.orm.meta.QueryField

convert, toString

Methods inherited from class java.lang.Object

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

Constructor Details

NumericQueryField

public NumericQueryField(Class<?> dtoClass,
 String fieldName)

Creates a new NumericQueryField instance.

Parameters:

dtoClass - DTO class the field belongs to.

fieldName - Target field name.

Method Details

avg

public TypeOverrideExpressionSpec<Number> avg()

AVG(): Returns the average value of a column/field.

Returns:

a ProtoNestableTOExpr expression instance to select the average value of a column/field.

max

public TypeOverrideExpressionSpec<Number> max()

MAX(): Returns the highest or largest value within a specified field.

Returns:

a ProtoNestableTOExpr expression instance to select the maximum value of a field.

min

public TypeOverrideExpressionSpec<Number> min()

MIN(): Returns the lowest or smallest value within a specified column or expression

Returns:

a ProtoNestableTOExpr expression instance to select the maximum value of a column/field.