Package net.kaczmarzyk.spring.data.jpa.domain

Class Null<T>

java.lang.Object

net.kaczmarzyk.spring.data.jpa.domain.PathSpecification<T>

net.kaczmarzyk.spring.data.jpa.domain.Null<T>

All Implemented Interfaces:

Serializable, org.springframework.data.jpa.domain.Specification<T>

public class Null<T>
extends PathSpecification<T>

Filers with "is null" or "is not null" where clause (e.g. where nickName is null).

Requires boolean parameter.

Author:

Tomasz Kaczmarzyk, Gerald Humphries

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected String	expectedValue

Fields inherited from class net.kaczmarzyk.spring.data.jpa.domain.PathSpecification

path

Constructor Summary

Constructors

Constructor	Description
Null(QueryContext queryContext, String path, String[] httpParamValues, Converter converter)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
int	hashCode()
jakarta.persistence.criteria.Predicate	toPredicate(jakarta.persistence.criteria.Root<T> root, jakarta.persistence.criteria.CriteriaQuery<?> query, jakarta.persistence.criteria.CriteriaBuilder cb)
String	toString()

Methods inherited from class net.kaczmarzyk.spring.data.jpa.domain.PathSpecification

path

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.data.jpa.domain.Specification

and, or

Field Details

expectedValue

protected String expectedValue

Constructor Details

Null

public Null(QueryContext queryContext,
 String path,
 String[] httpParamValues,
 Converter converter)

Method Details

toPredicate

public jakarta.persistence.criteria.Predicate toPredicate(jakarta.persistence.criteria.Root<T> root,
 jakarta.persistence.criteria.CriteriaQuery<?> query,
 jakarta.persistence.criteria.CriteriaBuilder cb)

equals

public boolean equals(Object o)

Overrides:

equals in class PathSpecification<T>

hashCode

public int hashCode()

Overrides:

hashCode in class PathSpecification<T>

toString

public String toString()

Overrides:

toString in class Object