Enum Class Isolation

Object
Enum<Isolation>
com.liferay.portal.kernel.transaction.Isolation
All Implemented Interfaces:
Serializable, Comparable<Isolation>, Constable

public enum Isolation extends Enum<Isolation>
Defines the level of visibility this transaction has for data changes made by other concurrent transactions.

SERIALIZABLE is the most restrictive.

READ_UNCOMMITTED is the least restrictive.

Author:
Michael Young, Shuyang Zhou
See Also:
  • Enum Constant Details

    • DEFAULT

      public static final Isolation DEFAULT
      Use the default isolation level of the underlying data store.
    • PORTAL

      public static final Isolation PORTAL
      Use the isolation level of the portal, as defined by the portal properties.
    • READ_COMMITTED

      public static final Isolation READ_COMMITTED
      Prevent dirty reads; allow non-repeatable reads and phantom reads.
    • READ_UNCOMMITTED

      public static final Isolation READ_UNCOMMITTED
      Allow dirty reads, non-repeatable reads, and phantom reads.
    • REPEATABLE_READ

      public static final Isolation REPEATABLE_READ
      Prevent dirty reads and non-repeatable reads; allow phantom reads.
    • SERIALIZABLE

      public static final Isolation SERIALIZABLE
      Prevent dirty reads, non-repeatable reads, and phantom reads.
  • Method Details

    • values

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

      public static Isolation valueOf(String name)
      Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified name
      NullPointerException - if the argument is null
    • getIsolation

      public static Isolation getIsolation(int value)
    • value

      public int value()