eu.vaadinonkotlin.vaadin8.jpa

Class IsNullFilter

eu.vaadinonkotlin.vaadin8.jpa.IsNullFilter

All Implemented Interfaces:

JPAFilter

public class IsNullFilter
implements JPAFilter

Nested Class Summary

Nested classes/interfaces inherited from interface eu.vaadinonkotlin.vaadin8.jpa.JPAFilter

JPAFilter.DefaultImpls

Constructor Summary

Constructors

Constructor and Description
IsNullFilter(java.lang.String field)

Method Summary

Modifier and Type	Method and Description
java.lang.String	component1()
IsNullFilter	copy(java.lang.String field)
boolean	equals(java.lang.Object p)
java.lang.String	getField()
int	hashCode()
javax.persistence.criteria.Predicate	toPredicate(javax.persistence.criteria.CriteriaBuilder cb, javax.persistence.criteria.Root<?> root) Converts this filter to a JPA Criteria API Predicate.
java.lang.String	toString()

Methods inherited from interface eu.vaadinonkotlin.vaadin8.jpa.JPAFilter

and, not, or, toPredicate

Constructor Detail

IsNullFilter

public IsNullFilter(java.lang.String field)

Method Detail

toPredicate

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

Converts this filter to a JPA Criteria API Predicate.

Parameters:

cb - the criteria builder which contains factory methods for various Predicates.

root - creates Expressions for fields

Returns:

a predicate which actually matches the database rows.

toString

public java.lang.String toString()

getField

public java.lang.String getField()

component1

public java.lang.String component1()

copy

public IsNullFilter copy(java.lang.String field)

hashCode

public int hashCode()

equals

public boolean equals(java.lang.Object p)