org.springframework.binding.collection

Class SharedMapDecorator<K,V>

java.lang.Object

org.springframework.binding.collection.SharedMapDecorator<K,V>

All Implemented Interfaces:

java.io.Serializable, java.util.Map<K,V>, SharedMap<K,V>

public class SharedMapDecorator<K,V>
extends java.lang.Object
implements SharedMap<K,V>, java.io.Serializable

A map decorator that implements SharedMap. By default, simply returns the map itself as the mutex. Subclasses may override to return a different mutex object.

Author:

Keith Donald

See Also:

Serialized Form

Nested Class Summary

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

java.util.Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
SharedMapDecorator(java.util.Map<K,V> map) Creates a new shared map decorator.

Method Summary

Modifier and Type	Method and Description
void	clear()
boolean	containsKey(java.lang.Object key)
boolean	containsValue(java.lang.Object value)
java.util.Set<java.util.Map.Entry<K,V>>	entrySet()
V	get(java.lang.Object key)
java.lang.Object	getMutex() Returns the shared mutex that may be synchronized on using a synchronized block.
boolean	isEmpty()
java.util.Set<K>	keySet()
V	put(K key, V value)
void	putAll(java.util.Map<? extends K,? extends V> map)
V	remove(java.lang.Object key)
int	size()
java.lang.String	toString()
java.util.Collection<V>	values()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace, replaceAll

Constructor Detail

SharedMapDecorator

public SharedMapDecorator(java.util.Map<K,V> map)

Creates a new shared map decorator.

Parameters:

map - the map that is shared by multiple threads, to be synced

Method Detail

clear

public void clear()

Specified by:

clear in interface java.util.Map<K,V>

containsKey

public boolean containsKey(java.lang.Object key)

Specified by:

containsKey in interface java.util.Map<K,V>

containsValue

public boolean containsValue(java.lang.Object value)

Specified by:

containsValue in interface java.util.Map<K,V>

entrySet

public java.util.Set<java.util.Map.Entry<K,V>> entrySet()

Specified by:

entrySet in interface java.util.Map<K,V>

get

public V get(java.lang.Object key)

Specified by:

get in interface java.util.Map<K,V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Map<K,V>

keySet

public java.util.Set<K> keySet()

Specified by:

keySet in interface java.util.Map<K,V>

put

public V put(K key,
             V value)

Specified by:

put in interface java.util.Map<K,V>

putAll

public void putAll(java.util.Map<? extends K,? extends V> map)

Specified by:

putAll in interface java.util.Map<K,V>

remove

public V remove(java.lang.Object key)

Specified by:

remove in interface java.util.Map<K,V>

size

public int size()

Specified by:

size in interface java.util.Map<K,V>

values

public java.util.Collection<V> values()

Specified by:

values in interface java.util.Map<K,V>

getMutex

public java.lang.Object getMutex()

Description copied from interface: SharedMap

Returns the shared mutex that may be synchronized on using a synchronized block. The returned mutex is guaranteed to be non-null. Example usage:

 synchronized (sharedMap.getMutex()) {
        // do synchronized work
 }
 

Specified by:

getMutex in interface SharedMap<K,V>

Returns:

the mutex

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object