org.mitre.util.jpa

Class JpaUtil

java.lang.Object

org.mitre.util.jpa.JpaUtil

public class JpaUtil
extends Object

Author:

mfranklin Date: 4/28/11 Time: 2:13 PM

Constructor Summary

Constructors

Constructor and Description
JpaUtil()

Method Summary

Modifier and Type	Method and Description
static <T> List<T>	getResultPage(javax.persistence.TypedQuery<T> query, PageCriteria pageCriteria) Get a page of results from the specified TypedQuery by using the given PageCriteria to limit the query results.
static <T> T	getSingleResult(List<T> list)
static <T,I> T	saveOrUpdate(I id, javax.persistence.EntityManager entityManager, T entity)

Methods inherited from class java.lang.Object

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

Constructor Detail

JpaUtil

public JpaUtil()

Method Detail

getSingleResult

public static <T> T getSingleResult(List<T> list)

getResultPage

public static <T> List<T> getResultPage(javax.persistence.TypedQuery<T> query,
                                        PageCriteria pageCriteria)

Get a page of results from the specified TypedQuery by using the given PageCriteria to limit the query results. The PageCriteria will override any size or offset already specified on the query.

Type Parameters:

T - the type parameter

Parameters:

query - the query

pageCriteria - the page criteria

Returns:

the list

saveOrUpdate

public static <T,I> T saveOrUpdate(I id,
                                   javax.persistence.EntityManager entityManager,
                                   T entity)