com.google.common.collect
Class ForwardingConcurrentMap<K,V>
java.lang.Object
com.google.common.collect.ForwardingObject
com.google.common.collect.ForwardingMap<K,V>
com.google.common.collect.ForwardingConcurrentMap<K,V>
- All Implemented Interfaces:
- Serializable, ConcurrentMap<K,V>, Map<K,V>
public abstract class ForwardingConcurrentMap<K,V>
- extends ForwardingMap<K,V>
- implements ConcurrentMap<K,V>
A concurrent map which forwards all its method calls to another concurrent
map. Subclasses should override one or more methods to modify the behavior of
the backing map as desired per the decorator pattern.
- Author:
- Charles Fry
- See Also:
ForwardingObject
,
Serialized Form
Nested classes/interfaces inherited from interface java.util.Map |
Map.Entry<K,V> |
Methods inherited from class com.google.common.collect.ForwardingMap |
clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, values |
Methods inherited from interface java.util.Map |
clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, values |
ForwardingConcurrentMap
protected ForwardingConcurrentMap(ConcurrentMap<K,V> delegate)
- Constructs a forwarding concurrent map that forwards to the provided
delegate.
delegate
protected ConcurrentMap<K,V> delegate()
- Description copied from class:
ForwardingObject
- Returns the backing delegate object. This method should be overridden to
specify the correct return type. For example:
@SuppressWarnings("unchecked")
@Override protected Foo delegate() {
return (Foo) super.delegate();
}
This method should always return the same delegate instance that was passed
to the constructor.
- Overrides:
delegate
in class ForwardingMap<K,V>
putIfAbsent
public V putIfAbsent(K key,
V value)
- Specified by:
putIfAbsent
in interface ConcurrentMap<K,V>
remove
public boolean remove(Object key,
Object value)
- Specified by:
remove
in interface ConcurrentMap<K,V>
replace
public V replace(K key,
V value)
- Specified by:
replace
in interface ConcurrentMap<K,V>
replace
public boolean replace(K key,
V oldValue,
V newValue)
- Specified by:
replace
in interface ConcurrentMap<K,V>