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Java Source Code / Java Documentation » Database ORM » toplink » javax.persistence

Source Cross Reference Class Diagram Java Document (Java Doc)

javax.persistence .EntityTransaction

All known Subclasses:   oracle.toplink.essentials.internal.ejb.cmp3.transaction .EntityTransactionImpl,
EntityTransaction
public interface EntityTransaction (Code)
The EntityTransaction interface is used to control resource transactions on resource-local entity managers. The EntityManager.getTransaction EntityManager.getTransaction() method returns the EntityTransaction interface.
since:
   Java Persistence 1.0

Method Summary
public void begin()
     Start the resource transaction.
public void commit()
     Commit the current transaction, writing any unflushed changes to the database.
public boolean getRollbackOnly()
     Determine whether the current transaction has been marked for rollback.
public boolean isActive()
     Indicate whether a transaction is in progress.
public void rollback()

public void setRollbackOnly()
     Mark the current transaction so that the only possible outcome of the transaction is for the transaction to be rolled back.

Method Detail
begin
public void begin()(Code)
Start the resource transaction.
throws:
  IllegalStateException - if EntityTransaction.isActive() is true.

commit
public void commit()(Code)
Commit the current transaction, writing any unflushed changes to the database.
throws:
  IllegalStateException - if EntityTransaction.isActive() is false.
throws:
  RollbackException - if the commit fails.

getRollbackOnly
public boolean getRollbackOnly()(Code)
Determine whether the current transaction has been marked for rollback.
throws:
  IllegalStateException - if EntityTransaction.isActive() is false.

isActive
public boolean isActive()(Code)
Indicate whether a transaction is in progress.
throws:
  PersistenceException - if an unexpected errorcondition is encountered.

rollback
public void rollback()(Code)
Roll back the current transaction
throws:
  IllegalStateException - if EntityTransaction.isActive() is false.
throws:
  PersistenceException - if an unexpected errorcondition is encountered.

setRollbackOnly
public void setRollbackOnly()(Code)
Mark the current transaction so that the only possible outcome of the transaction is for the transaction to be rolled back.
throws:
  IllegalStateException - if EntityTransaction.isActive() is false.

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