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

    Constructors
    Constructor and Description
    `EntityManagerHolder(EntityManager entityManager)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `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`