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

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

Method Summary

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

equals, hashCode

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