Enum EvictionPolicy.Action

java.lang.Object
java.lang.Enum<EvictionPolicy.Action>
org.apache.storm.windowing.EvictionPolicy.Action
All Implemented Interfaces:
Serializable, Comparable<EvictionPolicy.Action>, java.lang.constant.Constable
Enclosing interface:
EvictionPolicy<T,S>

public static enum EvictionPolicy.Action extends Enum<EvictionPolicy.Action>
The action to be taken when EvictionPolicy.evict(Event) is invoked.
  • Enum Constant Details

    • EXPIRE

      public static final EvictionPolicy.Action EXPIRE
      expire the event and remove it from the queue.
    • PROCESS

      public static final EvictionPolicy.Action PROCESS
      process the event in the current window of events.
    • KEEP

      public static final EvictionPolicy.Action KEEP
      don't include in the current window but keep the event in the queue for evaluating as a part of future windows.
    • STOP

      public static final EvictionPolicy.Action STOP
      stop processing the queue, there cannot be anymore events satisfying the eviction policy.
  • Method Details

    • values

      public static EvictionPolicy.Action[] 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 EvictionPolicy.Action 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