## org.springframework.orm.jpa
Class EntityManagerHolder

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

All Implemented Interfaces:
  ResourceHolder

    public class EntityManagerHolder

extends ResourceHolderSupport

Holder wrapping a JPA EntityManager. JpaTransactionManager binds instances of this class to the thread, for a given EntityManagerFactory.

Note: This is an SPI class, not intended to be used by applications.

Since:
  2.0
Author:
  Juergen Hoeller
See Also:
  `JpaTransactionManager`, `EntityManagerFactoryUtils`

Constructor Summary
`EntityManagerHolder(EntityManager entityManager)`

Method Summary
`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)`

Methods inherited from class org.springframework.transaction.support.ResourceHolderSupport
`getDeadline, getTimeToLiveInMillis, getTimeToLiveInSeconds, hasTimeout, isOpen, isRollbackOnly, isSynchronizedWithTransaction, isVoid, released, requested, reset, setRollbackOnly, setSynchronizedWithTransaction, setTimeoutInMillis, setTimeoutInSeconds, unbound`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### EntityManagerHolder

    public EntityManagerHolder(EntityManager entityManager)

Method Detail

### getEntityManager

    public EntityManager getEntityManager()

### setTransactionActive

    protected void setTransactionActive(boolean transactionActive)

### isTransactionActive

    protected boolean isTransactionActive()

### setSavepointManager

    protected void setSavepointManager(SavepointManager savepointManager)

### getSavepointManager

    protected SavepointManager getSavepointManager()

### clear

    public void clear()

  Description copied from class: `ResourceHolderSupport`
  Clear the transactional state of this resource holder.

  Overrides:
    `clear` in class `ResourceHolderSupport`