Class OptimisticLockingStrategy

  • All Implemented Interfaces:

    public class OptimisticLockingStrategy
    extends Object
    implements LockingStrategy
    An optimistic locking strategy that simply verifies that the version has not changed, just before committing the transaction.

    This strategy is valid for LockMode.OPTIMISTIC.

    • Constructor Detail

      • OptimisticLockingStrategy

        public OptimisticLockingStrategy​(Lockable lockable,
                                         LockMode lockMode)
        Construct locking strategy.
        lockable - The metadata for the entity to be locked.
        lockMode - Indicates the type of lock to be acquired.
    • Method Detail

      • lock

        public void lock​(Object id,
                         Object version,
                         Object object,
                         int timeout,
                         EventSource session)
        Description copied from interface: LockingStrategy
        Acquire an appropriate type of lock on the underlying data that will endure until the end of the current transaction.
        Specified by:
        lock in interface LockingStrategy
        id - The id of the row to be locked
        version - The current version (or null if not versioned)
        object - The object logically being locked (currently not used)
        timeout - timeout in milliseconds, 0 = no wait, -1 = wait indefinitely
        session - The session from which the lock request originated
      • getLockMode

        protected LockMode getLockMode()