io.atomix.core.tree

Class DocumentTreeEvent<V>

java.lang.Object

io.atomix.utils.event.AbstractEvent<DocumentTreeEvent.Type,DocumentPath>

io.atomix.core.tree.DocumentTreeEvent<V>

Type Parameters:

V - tree node value type

All Implemented Interfaces:

Event<DocumentTreeEvent.Type,DocumentPath>

public class DocumentTreeEvent<V>
extends AbstractEvent<DocumentTreeEvent.Type,DocumentPath>

A document tree modification event.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DocumentTreeEvent.Type Nature of document tree node change.

Constructor Summary

Constructors

Constructor and Description
DocumentTreeEvent(DocumentTreeEvent.Type type, DocumentPath path, Optional<Versioned<V>> newValue, Optional<Versioned<V>> oldValue) Constructs a new DocumentTreeEvent.

Method Summary

Modifier and Type	Method and Description
Optional<Versioned<V>>	newValue() Returns the new value.
Optional<Versioned<V>>	oldValue() Returns the old value.
DocumentPath	path() Returns the path to the changed node.
String	toString()

Methods inherited from class io.atomix.utils.event.AbstractEvent

subject, time, type

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DocumentTreeEvent

public DocumentTreeEvent(DocumentTreeEvent.Type type,
                         DocumentPath path,
                         Optional<Versioned<V>> newValue,
                         Optional<Versioned<V>> oldValue)

Constructs a new DocumentTreeEvent.

Parameters:

type - type of change

path - path to the node

newValue - optional new value; will be empty if node was deleted

oldValue - optional old value; will be empty if node was created

Method Detail

path

public DocumentPath path()

Returns the path to the changed node.

Returns:

node path

newValue

public Optional<Versioned<V>> newValue()

Returns the new value.

Returns:

optional new value; will be empty if node was deleted

oldValue

public Optional<Versioned<V>> oldValue()

Returns the old value.

Returns:

optional old value; will be empty if node was created

toString

public String toString()

Overrides:

toString in class AbstractEvent<DocumentTreeEvent.Type,DocumentPath>