Package com.illumon.iris.db.tables.live

Class NullIndexUpdateNotification

java.lang.Object

com.illumon.iris.db.v2.utils.AbstractNotification

com.illumon.iris.db.v2.utils.AbstractIndexUpdateNotification

com.illumon.iris.db.tables.live.NullIndexUpdateNotification

All Implemented Interfaces:

com.fishlib.base.log.LogOutputAppendable, NotificationQueue.IndexUpdateNotification, NotificationQueue.Notification, IntrusiveDoublyLinkedNode<NotificationQueue.Notification>, Runnable

public class NullIndexUpdateNotification
extends AbstractIndexUpdateNotification

This is a notification that does not actually notify anything. It is useful for the SwapListener to have the ability to create a notification for its parent before there is anything to notify.

Nested Class Summary

Nested classes/interfaces inherited from interface com.illumon.util.datastructures.linked.IntrusiveDoublyLinkedNode

IntrusiveDoublyLinkedNode.Adapter<NODE_TYPE extends IntrusiveDoublyLinkedNode<NODE_TYPE>>, IntrusiveDoublyLinkedNode.Impl<NODE_TYPE extends IntrusiveDoublyLinkedNode.Impl<NODE_TYPE>>

Constructor Summary

Constructors

Constructor	Description
NullIndexUpdateNotification()

Method Summary

Modifier and Type	Method	Description
com.fishlib.base.log.LogOutput	append(com.fishlib.base.log.LogOutput logOutput)
boolean	canExecute(long step)	Can this notification be executed? That is, are all of it's dependencies satisfied.
boolean	isTerminal()	Terminal notifications guarantee that they will not queue additional notifications or mutate data structures that should result in additional notifications.
final void	run()

Methods inherited from class com.illumon.iris.db.v2.utils.AbstractNotification

getNext, getPrev, mustExecuteWithLtmLock, setNext, setPrev, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.illumon.util.datastructures.linked.IntrusiveDoublyLinkedNode

getNext, getPrev, setNext, setPrev

Methods inherited from interface com.illumon.iris.db.tables.live.NotificationQueue.Notification

mustExecuteWithLtmLock

Constructor Details

NullIndexUpdateNotification

public NullIndexUpdateNotification()

Method Details

isTerminal

public boolean isTerminal()

Description copied from interface: NotificationQueue.Notification

Terminal notifications guarantee that they will not queue additional notifications or mutate data structures that should result in additional notifications. They are in turn guaranteed to be called after all non-terminal notifications for a given cycle through the notification queue.

Specified by:

isTerminal in interface NotificationQueue.Notification

Overrides:

isTerminal in class AbstractNotification

Returns:

True iff this notification is terminal.

canExecute

public boolean canExecute(long step)

Description copied from interface: NotificationQueue.Notification

Can this notification be executed? That is, are all of it's dependencies satisfied.

Parameters:

step - The step for which we are testing satisfaction

Returns:

true if this notification can be executed, false if it has unmet dependencies

append

public com.fishlib.base.log.LogOutput append(com.fishlib.base.log.LogOutput logOutput)

Specified by:

append in interface com.fishlib.base.log.LogOutputAppendable

Overrides:

append in class AbstractNotification

run

public final void run()