AbstractJpaQueryProvider (Spring Batch 4.1.4.RELEASE API)

java.lang.Object
- org.springframework.batch.item.database.orm.AbstractJpaQueryProvider

所有已实现的接口:
JpaQueryProvider, org.springframework.beans.factory.InitializingBean
直接已知子类:
JpaNativeQueryProvider
```
public abstract class AbstractJpaQueryProvider
extends java.lang.Object
implements JpaQueryProvider, org.springframework.beans.factory.InitializingBean
```
Abstract JPA Query Provider to serve as a base class for all JPA Query providers.
从以下版本开始:
2.1
作者:
Anatoly Polinsky, Dave Syer

构造器概要
构造器
构造器说明
AbstractJpaQueryProvider()

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`protected javax.persistence.EntityManager`	`getEntityManager()`	Getter for `EntityManager`
`void`	`setEntityManager(javax.persistence.EntityManager entityManager)`	Public setter to override the entityManager that was created by this `HibernateQueryProvider`.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.springframework.beans.factory.InitializingBean
afterPropertiesSet

从接口继承的方法 org.springframework.batch.item.database.orm.JpaQueryProvider
createQuery

- 构造器详细资料
  - AbstractJpaQueryProvider
```
public AbstractJpaQueryProvider()
```
- 方法详细资料
  - setEntityManager
```
public void setEntityManager(javax.persistence.EntityManager entityManager)
```
    Public setter to override the entityManager that was created by this HibernateQueryProvider. This is currently needed to allow HibernateQueryProvider to participate in a user's managed transaction.
    指定者:
    setEntityManager 在接口中 JpaQueryProvider
    参数:
    entityManager - EntityManager to use
  - getEntityManager
```
protected javax.persistence.EntityManager getEntityManager()
```
    Getter for EntityManager
    返回:
    entityManager the injected EntityManager