Enum LockMode

java.lang.Object
java.lang.Enum<LockMode>
org.datanucleus.state.LockMode
All Implemented Interfaces:
Serializable, Comparable<LockMode>

public enum LockMode extends Enum<LockMode>
Locking modes for persistable objects.
  • Enum Constant Details

    • LOCK_NONE

      public static final LockMode LOCK_NONE
      No locking specified. Use default type.
    • LOCK_OPTIMISTIC_READ

      public static final LockMode LOCK_OPTIMISTIC_READ
      Optimistic locking.
    • LOCK_OPTIMISTIC_WRITE

      public static final LockMode LOCK_OPTIMISTIC_WRITE
      Optimistic locking, plus forced version update at commit.
    • LOCK_PESSIMISTIC_READ

      public static final LockMode LOCK_PESSIMISTIC_READ
      Pessimistic locking.
    • LOCK_PESSIMISTIC_WRITE

      public static final LockMode LOCK_PESSIMISTIC_WRITE
      Pessimistic locking, plus forced version update at commit.
  • Constructor Details

    • LockMode

      private LockMode()
  • Method Details

    • values

      public static LockMode[] values()
      Returns an array containing the constants of this enum type, in the order they are declared.
      Returns:
      an array containing the constants of this enum type, in the order they are declared
    • valueOf

      public static LockMode valueOf(String name)
      Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
      Parameters:
      name - the name of the enum constant to be returned.
      Returns:
      the enum constant with the specified name
      Throws:
      IllegalArgumentException - if this enum type has no constant with the specified name
      NullPointerException - if the argument is null