org.onosproject.store.primitives

Class MapUpdate<K,V>

java.lang.Object

org.onosproject.store.primitives.MapUpdate<K,V>

Type Parameters:

K - map key type

V - map value type

public final class MapUpdate<K,V>
extends Object

Map update operation.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MapUpdate.Builder<K,V> MapUpdate builder.
static class	MapUpdate.Type Type of database update operation.

Constructor Summary

Constructors

Constructor and Description
MapUpdate()

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object object)
int	hashCode()
K	key() Returns the item key being updated.
<S,T> MapUpdate<S,T>	map(Function<K,S> keyMapper, Function<V,T> valueMapper) Transforms this instance into an instance of different parameterized types.
static <K,V> MapUpdate.Builder<K,V>	newBuilder() Creates a new builder instance.
String	toString()
MapUpdate.Type	type() Returns the type of update operation.
V	value() Returns the new value.
long	version() Returns the expected current version in the database for the key.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

MapUpdate

public MapUpdate()

Method Detail

type

public MapUpdate.Type type()

Returns the type of update operation.

Returns:

type of update.

key

public K key()

Returns the item key being updated.

Returns:

item key

value

public V value()

Returns the new value.

Returns:

item's target value.

version

public long version()

Returns the expected current version in the database for the key.

Returns:

expected version.

map

public <S,T> MapUpdate<S,T> map(Function<K,S> keyMapper,
                                Function<V,T> valueMapper)

Transforms this instance into an instance of different parameterized types.

Type Parameters:

S - key type of returned instance

T - value type of returned instance

Parameters:

keyMapper - transcoder for key type

valueMapper - transcoder to value type

Returns:

new instance

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object object)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

newBuilder

public static <K,V> MapUpdate.Builder<K,V> newBuilder()

Creates a new builder instance.

Type Parameters:

K - key type

V - value type

Returns:

builder.