程序包 org.apache.pulsar.functions.windowing

Enum Class EvictionPolicy.Action

java.lang.Object

java.lang.Enum<EvictionPolicy.Action>

org.apache.pulsar.functions.windowing.EvictionPolicy.Action

所有已实现的接口:

Serializable, Comparable<EvictionPolicy.Action>, Constable

封闭接口:

EvictionPolicy<T,S>

public static enum EvictionPolicy.Action
extends Enum<EvictionPolicy.Action>

The action to be taken when EvictionPolicy.evict(Event) is invoked.

嵌套类概要

从类继承的嵌套类/接口 java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

枚举常量概要

枚举常量

枚举常量	说明
EXPIRE	expire the event and remove it from the queue.
KEEP	don't include in the current window but keep the event in the queue for evaluating as a part of future windows.
PROCESS	process the event in the current window of events.
STOP	stop processing the queue, there cannot be anymore events satisfying the eviction policy.

方法概要

修饰符和类型	方法	说明
static EvictionPolicy.Action	valueOf(String name)	Returns the enum constant of this class with the specified name.
static EvictionPolicy.Action[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

从类继承的方法 java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

从类继承的方法 java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

枚举常量详细资料

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.

方法详细资料

values

public static EvictionPolicy.Action[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

返回:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static EvictionPolicy.Action 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.)

参数:

name - 要返回的枚举常量的名称。

返回:

返回带有指定名称的枚举常量

抛出:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - 如果参数为空值