UnitOfWorkCallback (Spring Framework) - Spring Framework 1.2.9 API 文档英文版

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org.springframework.orm.toplink
Class UnitOfWorkCallback

java.lang.Object
  org.springframework.orm.toplink.UnitOfWorkCallback

All Implemented Interfaces:: TopLinkCallback

public abstract class UnitOfWorkCallback
extends Object
implements TopLinkCallback
extends Object
implements TopLinkCallback

Convenient abstract implementation of the TopLinkCallback interface, exposing a UnitOfWork to perform write operations on.

The exposed UnitOfWork will either be be the active UnitOfWork of the current transaction, if any, or a temporarily acquired UnitOfWork that will be committed at the end of the operation.

Since:: 1.2
Author:: Juergen Hoeller
See Also:: doInUnitOfWork(oracle.toplink.sessions.UnitOfWork), Session.getActiveUnitOfWork()

Constructor Summary

UnitOfWorkCallback()


Method Summary

Object doInTopLink(oracle.toplink.sessions.Session session)
          Determines the UnitOfWork to work on (either the active UnitOfWork or a temporarily acquired UnitOfWork) and delegates to doInUnitOfWork.

protected abstract Object doInUnitOfWork(oracle.toplink.sessions.UnitOfWork unitOfWork)
          Called with a UnitOfWork to work on, either the active UnitOfWork or a temporarily acquired UnitOfWork (as determined by the transaction status).

Methods inherited from class java.lang.Object

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

Constructor Summary
`UnitOfWorkCallback()`

Method Summary
`Object`	`doInTopLink(oracle.toplink.sessions.Session session)` Determines the UnitOfWork to work on (either the active UnitOfWork or a temporarily acquired UnitOfWork) and delegates to `doInUnitOfWork`.
`protected abstract Object`	`doInUnitOfWork(oracle.toplink.sessions.UnitOfWork unitOfWork)` Called with a UnitOfWork to work on, either the active UnitOfWork or a temporarily acquired UnitOfWork (as determined by the transaction status).

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

Constructor Detail