com.ebmwebsourcing.easycommons.thread
Class ConcurrentHashMapWithDefaults<K,V>

java.lang.Object
  java.util.AbstractMap<K,V>
      java.util.concurrent.ConcurrentHashMap<K,V>
          com.ebmwebsourcing.easycommons.thread.ConcurrentHashMapWithDefaults<K,V>

Type Parameters:

K -

V -

All Implemented Interfaces:

java.io.Serializable, java.util.concurrent.ConcurrentMap<K,V>, java.util.Map<K,V>

public class ConcurrentHashMapWithDefaults<K,V>
extends java.util.concurrent.ConcurrentHashMap<K,V>

This class extends the usual ConcurrentHashMap behaviour by possibly returning a default value from a parent map.

Author:

Marc Jambert - EBM WebSourcing

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

java.util.AbstractMap.SimpleEntry<K,V>, java.util.AbstractMap.SimpleImmutableEntry<K,V>

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

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

Constructor Summary

ConcurrentHashMapWithDefaults()

ConcurrentHashMapWithDefaults(java.util.Map<K,V> defaults)

Method Summary

java.util.Map<K,V>	getDefaults()
V	getValueOrDefault(java.lang.Object key)

Methods inherited from class java.util.concurrent.ConcurrentHashMap

clear, contains, containsKey, containsValue, elements, entrySet, get, isEmpty, keys, keySet, put, putAll, putIfAbsent, remove, remove, replace, replace, size, values

Methods inherited from class java.util.AbstractMap

clone, equals, hashCode, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

ConcurrentHashMapWithDefaults

public ConcurrentHashMapWithDefaults()

ConcurrentHashMapWithDefaults

public ConcurrentHashMapWithDefaults(java.util.Map<K,V> defaults)

Method Detail

getDefaults

public final java.util.Map<K,V> getDefaults()

getValueOrDefault

public V getValueOrDefault(java.lang.Object key)