com.google.cloud.dataflow.sdk.util.state

Class StateNamespaces

java.lang.Object

com.google.cloud.dataflow.sdk.util.state.StateNamespaces

public class StateNamespaces
extends Object

Factory methods for creating the StateNamespaces.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	StateNamespaces.GlobalNamespace StateNamespace that is global to the current key being processed.
static class	StateNamespaces.WindowAndTriggerNamespace<W extends BoundedWindow> StateNamespace that is scoped to a particular window and trigger index.
static class	StateNamespaces.WindowNamespace<W extends BoundedWindow> StateNamespace that is scoped to a specific window.

Method Summary

Modifier and Type	Method and Description
static <W extends BoundedWindow> StateNamespace	fromString(String stringKey, Coder<W> windowCoder) Convert a stringKey produced using StateNamespace.stringKey() on one of the namespaces produced by this class into the original StateNamespace.
static StateNamespace	global()
static <W extends BoundedWindow> StateNamespace	window(Coder<W> windowCoder, W window)
static <W extends BoundedWindow> StateNamespace	windowAndTrigger(Coder<W> windowCoder, W window, int triggerIdx)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

global

public static StateNamespace global()

window

public static <W extends BoundedWindow> StateNamespace window(Coder<W> windowCoder,
                                                              W window)

windowAndTrigger

public static <W extends BoundedWindow> StateNamespace windowAndTrigger(Coder<W> windowCoder,
                                                                        W window,
                                                                        int triggerIdx)

fromString

public static <W extends BoundedWindow> StateNamespace fromString(String stringKey,
                                                                  Coder<W> windowCoder)

Convert a stringKey produced using StateNamespace.stringKey() on one of the namespaces produced by this class into the original StateNamespace.