org.apache.beam.sdk.transforms.windowing

Enum Window.ClosingBehavior

java.lang.Object

java.lang.Enum<Window.ClosingBehavior>

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

All Implemented Interfaces:

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

Enclosing class:

Window<T>

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

Specifies the conditions under which a final pane will be created when a window is permanently closed.

Enum Constant Summary

Enum Constants

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

Method Summary

Modifier and Type	Method and Description
static Window.ClosingBehavior	valueOf(java.lang.String name) Returns the enum constant of this type with the specified name.
static Window.ClosingBehavior[]	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.ClosingBehavior FIRE_ALWAYS

Always fire the last pane. Even if there is no new data since the previous firing, an element with PaneInfo.isLast() true will be produced.

FIRE_IF_NON_EMPTY

public static final Window.ClosingBehavior FIRE_IF_NON_EMPTY

Only fire the last pane if there is new data since the previous firing.

This is the default behavior.

Method Detail

values

public static Window.ClosingBehavior[] 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.ClosingBehavior c : Window.ClosingBehavior.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.ClosingBehavior 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