Package org.dellroad.querystream.jpa.querytype

Class DeleteType<X>

java.lang.Object

org.dellroad.querystream.jpa.querytype.QueryType<X,CriteriaDelete<X>,CriteriaDelete<X>,Query>

org.dellroad.querystream.jpa.querytype.DeleteType<X>

Type Parameters:

X - query target type

public class DeleteType<X>
extends QueryType<X,CriteriaDelete<X>,CriteriaDelete<X>,Query>

Represents the JPA Criteria API bulk delete query type.

Field Summary

Fields inherited from class org.dellroad.querystream.jpa.querytype.QueryType

type

Constructor Summary

Constructors

Constructor	Description
DeleteType(Class<X> type)	Constructor.

Method Summary

Modifier and Type	Method	Description
CriteriaDelete<X>	createCriteriaQuery(CriteriaBuilder builder)	Create a new Criteria API query object of the appropriate type.
Query	createQuery(EntityManager entityManager, CriteriaDelete<X> query)	Create a JPA query object of the appropriate type.
void	where(CriteriaDelete<X> query, Expression<Boolean> restriction)	Configure the restriction associated with the given query.
void	where(CriteriaDelete<X> query, Predicate restriction)	Configure the restriction associated with the given query.

Methods inherited from class org.dellroad.querystream.jpa.querytype.QueryType

getType

Methods inherited from class java.lang.Object

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

Constructor Details

DeleteType

public DeleteType(Class<X> type)

Constructor.

Parameters:

type - query result type

Throws:

IllegalArgumentException - if type is null

Method Details

createCriteriaQuery

public CriteriaDelete<X> createCriteriaQuery(CriteriaBuilder builder)

Description copied from class: QueryType

Create a new Criteria API query object of the appropriate type.

Specified by:

createCriteriaQuery in class QueryType<X,CriteriaDelete<X>,CriteriaDelete<X>,Query>

Parameters:

builder - criteria builder

Returns:

new criteria query object

createQuery

public Query createQuery(EntityManager entityManager,
 CriteriaDelete<X> query)

Description copied from class: QueryType

Create a JPA query object of the appropriate type.

Specified by:

createQuery in class QueryType<X,CriteriaDelete<X>,CriteriaDelete<X>,Query>

Parameters:

entityManager - JPA entity manager

query - criteria query object

Returns:

new executable JPA query object

where

public void where(CriteriaDelete<X> query,
 Expression<Boolean> restriction)

Description copied from class: QueryType

Configure the restriction associated with the given query.

Specified by:

where in class QueryType<X,CriteriaDelete<X>,CriteriaDelete<X>,Query>

Parameters:

query - criteria query object

restriction - query restriction

where

public void where(CriteriaDelete<X> query,
 Predicate restriction)

Description copied from class: QueryType

Configure the restriction associated with the given query.

Specified by:

where in class QueryType<X,CriteriaDelete<X>,CriteriaDelete<X>,Query>

Parameters:

query - criteria query object

restriction - query restriction