org.h2.value

Class NullableKeyConcurrentMap<V>

java.lang.Object

java.util.AbstractMap<K,V>

java.util.concurrent.ConcurrentHashMap<java.lang.String,V>

org.h2.value.NullableKeyConcurrentMap<V>

Type Parameters:

V - the value type

All Implemented Interfaces:

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

public class NullableKeyConcurrentMap<V>
extends java.util.concurrent.ConcurrentHashMap<java.lang.String,V>

A concurrent hash map that allows null keys

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

Constructors

Constructor and Description
NullableKeyConcurrentMap()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	containsKey(java.lang.Object key)
V	get(java.lang.Object key)
V	put(java.lang.String key, V value)
V	remove(java.lang.Object key)

Methods inherited from class java.util.concurrent.ConcurrentHashMap

clear, contains, containsValue, elements, entrySet, isEmpty, keys, keySet, putAll, putIfAbsent, 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

NullableKeyConcurrentMap

public NullableKeyConcurrentMap()

Method Detail

get

public V get(java.lang.Object key)

Specified by:

get in interface java.util.Map<java.lang.String,V>

Overrides:

get in class java.util.concurrent.ConcurrentHashMap<java.lang.String,V>

put

public V put(java.lang.String key,
    V value)

Specified by:

put in interface java.util.Map<java.lang.String,V>

Overrides:

put in class java.util.concurrent.ConcurrentHashMap<java.lang.String,V>

containsKey

public boolean containsKey(java.lang.Object key)

Specified by:

containsKey in interface java.util.Map<java.lang.String,V>

Overrides:

containsKey in class java.util.concurrent.ConcurrentHashMap<java.lang.String,V>

remove

public V remove(java.lang.Object key)

Specified by:

remove in interface java.util.Map<java.lang.String,V>

Overrides:

remove in class java.util.concurrent.ConcurrentHashMap<java.lang.String,V>