EntityManagerHolder (Spring Framework 5.2.12.RELEASE API)

java.lang.Object
- org.springframework.transaction.support.ResourceHolderSupport
- - org.springframework.orm.jpa.EntityManagerHolder

所有已实现的接口:
ResourceHolder
直接已知子类:
SessionHolder
```
public class EntityManagerHolder
extends ResourceHolderSupport
```
Resource holder wrapping a JPA EntityManager. JpaTransactionManager binds instances of this class to the thread, for a given EntityManagerFactory.
Also serves as a base class for SessionHolder, as of 5.1.
Note: This is an SPI class, not intended to be used by applications.
从以下版本开始:
2.0
作者:
Juergen Hoeller
另请参阅:
JpaTransactionManager, EntityManagerFactoryUtils

构造器概要
构造器
构造器说明
EntityManagerHolder(EntityManager entityManager)

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
`void`	`clear()`	Clear the transactional state of this resource holder.
`EntityManager`	`getEntityManager()`
`protected SavepointManager`	`getSavepointManager()`
`protected boolean`	`isTransactionActive()`
`protected void`	`setSavepointManager(SavepointManager savepointManager)`
`protected void`	`setTransactionActive(boolean transactionActive)`

从类继承的方法 org.springframework.transaction.support.ResourceHolderSupport
getDeadline, getTimeToLiveInMillis, getTimeToLiveInSeconds, hasTimeout, isOpen, isRollbackOnly, isSynchronizedWithTransaction, isVoid, released, requested, reset, resetRollbackOnly, setRollbackOnly, setSynchronizedWithTransaction, setTimeoutInMillis, setTimeoutInSeconds, unbound

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

构造器详细资料

EntityManagerHolder

public EntityManagerHolder(@Nullable
                           EntityManager entityManager)

方法详细资料

getEntityManager

public EntityManager getEntityManager()

setTransactionActive

protected void setTransactionActive(boolean transactionActive)

isTransactionActive

protected boolean isTransactionActive()

setSavepointManager

protected void setSavepointManager(@Nullable
                                   SavepointManager savepointManager)

getSavepointManager

@Nullable
protected SavepointManager getSavepointManager()

clear
```
public void clear()
```
从类复制的说明: ResourceHolderSupport
Clear the transactional state of this resource holder.
覆盖:
clear 在类中 ResourceHolderSupport