Package cz.cvut.kbss.jopa.transactions

Interface EntityTransaction

All Known Implementing Classes:
EntityTransactionImpl
public interface EntityTransaction
Interface used to control transactions on resource-local entity managers.

The EntityManager.getTransaction() method returns the EntityTransaction interface.

  • Method Summary

    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
    isActive()
    Indicate whether a resource transaction is in progress.
    boolean
    isRollbackOnly()
    Determine whether the current resource transaction has been marked for rollback.
    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 Details

    • begin

      void begin()
      Start a resource transaction.
      Throws:
      IllegalStateException - if isActive() is true

    • commit

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

    • rollback

      void rollback()
      Roll back the current resource transaction.
      Throws:
      IllegalStateException - if isActive() is false
      OWLPersistenceException - 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:
      IllegalStateException - if isActive() is false

    • isRollbackOnly

      boolean isRollbackOnly()
      Determine whether the current resource transaction has been marked for rollback.
      Returns:
      boolean indicating whether the transaction has been marked for rollback
      Throws:
      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:
      OWLPersistenceException - if an unexpected error condition is encountered