net.openhft.chronicle.engine.map

Class VanillaMapView<K,MV,V>

java.lang.Object

net.openhft.chronicle.engine.map.VanillaMapView<K,MV,V>

All Implemented Interfaces:

ConcurrentMap<K,V>, java.util.function.Function<K,V>, Map<K,V>, KeyedVisitable<K,V>, MapView<K,MV,V>, Assetted<KeyValueStore<K,MV,V>>, View, Updatable<MapView<K,MV,V>>

Direct Known Subclasses:

RemoteMapView

public class VanillaMapView<K,MV,V>
extends Object
implements MapView<K,MV,V>

Created by peter on 22/05/15.

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
VanillaMapView(Class keyClass, Class valueType, Asset asset, KeyValueStore<K,MV,V> kvStore, boolean putReturnsNull, boolean removeReturnsNull)
VanillaMapView(RequestContext context, Asset asset, KeyValueStore<K,MV,V> kvStore)

Method Summary

Modifier and Type	Method and Description
Asset	asset()
protected void	checkKey(Object key)
protected void	checkValue(Object value)
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set<Map.Entry<K,V>>	entrySet()
boolean	equals(Object obj)
V	get(Object key)
V	getAndPut(K key, V value) Explicitly get the old value before putting a new one.
V	getAndRemove(K key) Explicitly get the old value before removing.
V	getUsing(K key, MV usingValue) Obtain a value using a mutable buffer privided.
int	hashCode()
boolean	isEmpty()
Set<K>	keySet()
Class<K>	keyType()
long	longSize()
V	put(K key, V value)
void	putAll(Map<? extends K,? extends V> m)
V	putIfAbsent(K key, V value)
Reference<V>	referenceFor(K key) Obtain a reference the value for a key
void	registerKeySubscriber(Subscriber<K> subscriber) Add a Subscription for the keys changed on this Map
void	registerSubscriber(Subscriber<MapEvent<K,V>> subscriber) Add a Subscription for the MapEvents triggered by changes on this Map.
void	registerTopicSubscriber(TopicSubscriber<K,V> topicSubscriber) Add a TopicSubscriber to this Map.
V	remove(Object key)
boolean	remove(Object key, Object value)
V	replace(K key, V value)
boolean	replace(K key, V oldValue, V newValue)
void	set(K key, V value)
String	toString()
KeyValueStore<K,MV,V>	underlying()
Collection<V>	values()
Class<V>	valueType()

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.openhft.chronicle.engine.api.map.MapView

apply, keyedView, size

Methods inherited from interface java.util.concurrent.ConcurrentMap

compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, replaceAll

Methods inherited from interface net.openhft.chronicle.engine.api.Updatable

applyTo, applyTo, asyncUpdate, asyncUpdate, syncUpdate, syncUpdate

Methods inherited from interface net.openhft.chronicle.engine.api.KeyedVisitable

applyToKey, applyToKey, asyncUpdateKey, asyncUpdateKey, syncUpdateKey, syncUpdateKey

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Constructor Detail

VanillaMapView

public VanillaMapView(@NotNull
                      RequestContext context,
                      Asset asset,
                      KeyValueStore<K,MV,V> kvStore)

VanillaMapView

public VanillaMapView(Class keyClass,
                      Class valueType,
                      Asset asset,
                      KeyValueStore<K,MV,V> kvStore,
                      boolean putReturnsNull,
                      boolean removeReturnsNull)

Method Detail

keyType

public Class<K> keyType()

Specified by:

keyType in interface MapView<K,MV,V>

Returns:

the type of the keys

valueType

public Class<V> valueType()

Specified by:

valueType in interface MapView<K,MV,V>

Returns:

the type of the values.

getUsing

public V getUsing(K key,
                  MV usingValue)

Description copied from interface: MapView

Obtain a value using a mutable buffer privided.

Specified by:

getUsing in interface MapView<K,MV,V>

Parameters:

key - to lookup.

usingValue - a mutable buffer

Returns:

the value.

keySet

public Set<K> keySet()

Specified by:

keySet in interface Map<K,V>

values

@NotNull
public Collection<V> values()

Specified by:

values in interface Map<K,V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<K,V>

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map<K,V>

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map<K,V>

checkKey

protected void checkKey(@Nullable
                        Object key)

checkValue

protected void checkValue(@Nullable
                          Object value)

asset

public Asset asset()

Specified by:

asset in interface Assetted<KeyValueStore<K,MV,V>>

Returns:

The Asset this resource is associated with.

underlying

public KeyValueStore<K,MV,V> underlying()

Specified by:

underlying in interface Assetted<KeyValueStore<K,MV,V>>

Returns:

The Underlying view this view is built on.

get

@Nullable
public V get(Object key)

Specified by:

get in interface Map<K,V>

Specified by:

get in interface KeyedVisitable<K,V>

Parameters:

key - to get within this collection.

Returns:

the current state of a visitable Asset

put

@Nullable
public V put(K key,
                       V value)

Specified by:

put in interface Map<K,V>

set

public void set(K key,
                V value)

Specified by:

set in interface KeyedVisitable<K,V>

Parameters:

key - to set within this collection.

value - replace the current state of the visitable Asset

remove

@Nullable
public V remove(Object key)

Specified by:

remove in interface Map<K,V>

putAll

public void putAll(Map<? extends K,? extends V> m)

Specified by:

putAll in interface Map<K,V>

longSize

public long longSize()

Specified by:

longSize in interface MapView<K,MV,V>

Returns:

the size as a long value.

getAndPut

public V getAndPut(K key,
                   V value)

Description copied from interface: MapView

Explicitly get the old value before putting a new one.

Specified by:

getAndPut in interface MapView<K,MV,V>

Parameters:

key - to lookup

value - to set

Returns:

the old value or null if absent

getAndRemove

public V getAndRemove(K key)

Description copied from interface: MapView

Explicitly get the old value before removing.

Specified by:

getAndRemove in interface MapView<K,MV,V>

Parameters:

key - to remove

Returns:

the old value or null if absent.

entrySet

@NotNull
 @NotNull
public Set<Map.Entry<K,V>> entrySet()

Specified by:

entrySet in interface Map<K,V>

clear

public void clear()

Specified by:

clear in interface Map<K,V>

putIfAbsent

@Nullable
public V putIfAbsent(@NotNull
                               K key,
                               V value)

Specified by:

putIfAbsent in interface ConcurrentMap<K,V>

Specified by:

putIfAbsent in interface Map<K,V>

remove

public boolean remove(@NotNull
                      Object key,
                      Object value)

Specified by:

remove in interface ConcurrentMap<K,V>

Specified by:

remove in interface Map<K,V>

replace

public boolean replace(@NotNull
                       K key,
                       @NotNull
                       V oldValue,
                       @NotNull
                       V newValue)

Specified by:

replace in interface ConcurrentMap<K,V>

Specified by:

replace in interface Map<K,V>

replace

@Nullable
public V replace(@NotNull
                           K key,
                           @NotNull
                           V value)

Specified by:

replace in interface ConcurrentMap<K,V>

Specified by:

replace in interface Map<K,V>

registerTopicSubscriber

public void registerTopicSubscriber(TopicSubscriber<K,V> topicSubscriber)

Description copied from interface: MapView

Add a TopicSubscriber to this Map.

Specified by:

registerTopicSubscriber in interface MapView<K,MV,V>

Parameters:

topicSubscriber - to add

registerKeySubscriber

public void registerKeySubscriber(Subscriber<K> subscriber)

Description copied from interface: MapView

Add a Subscription for the keys changed on this Map

Specified by:

registerKeySubscriber in interface MapView<K,MV,V>

Parameters:

subscriber - to add

registerSubscriber

public void registerSubscriber(Subscriber<MapEvent<K,V>> subscriber)

Description copied from interface: MapView

Add a Subscription for the MapEvents triggered by changes on this Map.

Specified by:

registerSubscriber in interface MapView<K,MV,V>

referenceFor

public Reference<V> referenceFor(K key)

Description copied from interface: MapView

Obtain a reference the value for a key

Specified by:

referenceFor in interface MapView<K,MV,V>

Parameters:

key - to bind the reference to

Returns:

a reference object.

hashCode

public int hashCode()

Specified by:

hashCode in interface Map<K,V>

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Specified by:

equals in interface Map<K,V>

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object