net.digitalid.utility.concurrency.map

Interface ConcurrentMap<K,V>

Type Parameters:

K - the type of the keys of this map.

V - the type of the values of this map.

All Superinterfaces:

Cloneable, ConcurrentMap<K,V>, Map<K,V>

@Mutable
public interface ConcurrentMap<K,V>
extends ConcurrentMap<K,V>, Cloneable

Extends Java's ConcurrentMap interface with useful methods.

See Also:

ConcurrentHashMap

Nested Class Summary

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

Map.Entry<K,V>

Method Summary

Modifier and Type	Method and Description
@Nonnull ConcurrentMap<K,V>	clone() Returns a shallow copy of this map (the keys and values themselves are not cloned).
V	putIfAbsentElseReturnPresent(K key, V value) Associates the given value with the given key, if the given key is not already associated with another value.

Methods inherited from interface java.util.concurrent.ConcurrentMap

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

Methods inherited from interface java.util.Map

clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, values

Method Detail

putIfAbsentElseReturnPresent

@Impure
 @NonCapturable
 @Nonnull
V putIfAbsentElseReturnPresent(@Captured @Nonnull
                                                                 K key,
                                                                 @Captured @Nonnull
                                                                 V value)

Associates the given value with the given key, if the given key is not already associated with another value.

Returns:

the value that is now associated with the given key.

clone

@Pure
 @Capturable
 @Nonnull
@Nonnull ConcurrentMap<K,V> clone()

Returns a shallow copy of this map (the keys and values themselves are not cloned).