Interface EntityTransaction



  • public interface EntityTransaction
    Interface used to control transactions on resource-local entity managers. The EntityManager.getTransaction() method returns the EntityTransaction interface.
    Since:
    Java Persistence 1.0
    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void begin​()
      Start a resource transaction.
      void commit​()
      Commit the current resource transaction, writing any unflushed changes to the database.
      boolean getRollbackOnly​()
      Determine whether the current resource transaction has been marked for rollback.
      boolean isActive​()
      Indicate whether a resource transaction is in progress.
      void rollback​()
      Roll back the current resource transaction.
      void setRollbackOnly​()
      Mark the current resource transaction so that the only possible outcome of the transaction is for the transaction to be rolled back.
    • Method Detail

      • begin

        void begin​()
        Start a resource transaction.
        Throws:
        java.lang.IllegalStateException - if isActive() is true
      • commit

        void commit​()
        Commit the current resource transaction, writing any unflushed changes to the database.
        Throws:
        java.lang.IllegalStateException - if isActive() is false
        RollbackException - if the commit fails
      • rollback

        void rollback​()
        Roll back the current resource transaction.
        Throws:
        java.lang.IllegalStateException - if isActive() is false
        PersistenceException - if an unexpected error condition is encountered
      • setRollbackOnly

        void setRollbackOnly​()
        Mark the current resource transaction so that the only possible outcome of the transaction is for the transaction to be rolled back.
        Throws:
        java.lang.IllegalStateException - if isActive() is false
      • getRollbackOnly

        boolean getRollbackOnly​()
        Determine whether the current resource transaction has been marked for rollback.
        Returns:
        boolean indicating whether the transaction has been marked for rollback
        Throws:
        java.lang.IllegalStateException - if isActive() is false
      • isActive

        boolean isActive​()
        Indicate whether a resource transaction is in progress.
        Returns:
        boolean indicating whether transaction is in progress
        Throws:
        PersistenceException - if an unexpected error condition is encountered