Package org.apache.storm.windowing
Enum EvictionPolicy.Action
- All Implemented Interfaces:
Serializable
,Comparable<EvictionPolicy.Action>
,java.lang.constant.Constable
- Enclosing interface:
- EvictionPolicy<T,
S>
The action to be taken when
EvictionPolicy.evict(Event)
is invoked.-
Nested Class Summary
Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
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Enum Constant Summary
Enum ConstantDescriptionexpire the event and remove it from the queue.don't include in the current window but keep the event in the queue for evaluating as a part of future windows.process the event in the current window of events.stop processing the queue, there cannot be anymore events satisfying the eviction policy. -
Method Summary
Modifier and TypeMethodDescriptionstatic EvictionPolicy.Action
Returns the enum constant of this type with the specified name.static EvictionPolicy.Action[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Details
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EXPIRE
expire the event and remove it from the queue. -
PROCESS
process the event in the current window of events. -
KEEP
don't include in the current window but keep the event in the queue for evaluating as a part of future windows. -
STOP
stop processing the queue, there cannot be anymore events satisfying the eviction policy.
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Method Details
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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
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 nameNullPointerException
- if the argument is null
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