org.apache.beam.sdk.transforms.windowing

Enum Window.OnTimeBehavior

java.lang.Object

java.lang.Enum<Window.OnTimeBehavior>

org.apache.beam.sdk.transforms.windowing.Window.OnTimeBehavior

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<Window.OnTimeBehavior>

Enclosing class:

Window<T>

public static enum Window.OnTimeBehavior
extends java.lang.Enum<Window.OnTimeBehavior>

Specifies the conditions under which an on-time pane will be created when a window is closed.

Enum Constant Summary

Enum Constants

Enum Constant and Description
FIRE_ALWAYS Always fire the on-time pane.
FIRE_IF_NON_EMPTY Only fire the on-time pane if there is new data since the previous firing.

Method Summary

Modifier and Type	Method and Description
static Window.OnTimeBehavior	valueOf(java.lang.String name) Returns the enum constant of this type with the specified name.
static Window.OnTimeBehavior[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

FIRE_ALWAYS

public static final Window.OnTimeBehavior FIRE_ALWAYS

Always fire the on-time pane. Even if there is no new data since the previous firing, an element will be produced.

This is the default behavior.

FIRE_IF_NON_EMPTY

public static final Window.OnTimeBehavior FIRE_IF_NON_EMPTY

Only fire the on-time pane if there is new data since the previous firing.

Method Detail

values

public static Window.OnTimeBehavior[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (Window.OnTimeBehavior c : Window.OnTimeBehavior.values())
    System.out.println(c);

Returns:

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

valueOf

public static Window.OnTimeBehavior valueOf(java.lang.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:

java.lang.IllegalArgumentException - if this enum type has no constant with the specified name

java.lang.NullPointerException - if the argument is null