org.dellroad.stuff.dao
Class CriteriaCallback<T,R>

java.lang.Object
  org.dellroad.stuff.dao.QueryCallback<R>
      org.dellroad.stuff.dao.TypedQueryCallback<T,R>
          org.dellroad.stuff.dao.CriteriaCallback<T,R>

Type Parameters:

T - persistent instance type

R - query return type

All Implemented Interfaces:

JpaCallback<R>

Direct Known Subclasses:

AbstractDAO.DAOCriteriaListCallback, AbstractDAO.DAOCriteriaUniqueCallback

public abstract class CriteriaCallback<T,R>
extends TypedQueryCallback<T,R>

Specialization of QueryCallback for CriteriaQuery queries.

Field Summary

protected Class<T>

type

Constructor Summary

protected

CriteriaCallback(Class<T> type)

Method Summary

protected TypedQuery<T>	buildQuery(EntityManager entityManager) Build the query by delegating to configureQuery() for configuration.
protected abstract void	configureQuery(CriteriaQuery<T> criteriaQuery, CriteriaBuilder criteriaBuilder) Configure the CriteriaQuery.

Methods inherited from class org.dellroad.stuff.dao.TypedQueryCallback

executeQuery, executeQuery

Methods inherited from class org.dellroad.stuff.dao.QueryCallback

doInJpa

Methods inherited from class java.lang.Object

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

Field Detail

type

protected final Class<T> type

Constructor Detail

CriteriaCallback

protected CriteriaCallback(Class<T> type)

Method Detail

buildQuery

protected final TypedQuery<T> buildQuery(EntityManager entityManager)

Build the query by delegating to configureQuery() for configuration.

Specified by:

buildQuery in class TypedQueryCallback<T,R>

configureQuery

protected abstract void configureQuery(CriteriaQuery<T> criteriaQuery,
                                       CriteriaBuilder criteriaBuilder)

Configure the CriteriaQuery.