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:

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

Field Summary

Fields

Modifier and Type	Field and Description
protected String	expectedValue

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

path

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
javax.persistence.criteria.Predicate	toPredicate(javax.persistence.criteria.Root<T> root, javax.persistence.criteria.CriteriaQuery<?> query, javax.persistence.criteria.CriteriaBuilder cb)

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

equals, hashCode, path

Methods inherited from class java.lang.Object

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

Field Detail

expectedValue

protected String expectedValue

Constructor Detail

Null

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

Method Detail

toPredicate

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