scala.collection.concurrent

Type members

Classlikes

trait Map[K, V] extends Map[K, V]

A template trait for mutable maps that allow concurrent access.

A template trait for mutable maps that allow concurrent access.

This is a base trait for all Scala concurrent map implementations. It provides all of the methods a Map does, with the difference that all the changes are atomic. It also describes methods specific to concurrent maps.

Note: The concurrent maps do not accept null for keys or values.

Type Params
K

the key type of the map

V

the value type of the map

See also

"Scala's Collection Library overview" section on Concurrent Maps for more information.

Source
Map.scala
final
class TrieMap[K, V] extends AbstractMap[K, V] with Map[K, V] with MapOps[K, V, TrieMap, TrieMap[K, V]] with MapFactoryDefaults[K, V, TrieMap, Iterable] with DefaultSerializable

A concurrent hash-trie or TrieMap is a concurrent thread-safe lock-free implementation of a hash array mapped trie.

A concurrent hash-trie or TrieMap is a concurrent thread-safe lock-free implementation of a hash array mapped trie. It is used to implement the concurrent map abstraction. It has particularly scalable concurrent insert and remove operations and is memory-efficient. It supports O(1), atomic, lock-free snapshots which are used to implement linearizable lock-free size, iterator and clear operations. The cost of evaluating the (lazy) snapshot is distributed across subsequent updates, thus making snapshot evaluation horizontally scalable.

For details, see: http://lampwww.epfl.ch/~prokopec/ctries-snapshot.pdf

Companion
object
Source
TrieMap.scala
object TrieMap extends MapFactory[TrieMap]
Companion
class
Source
TrieMap.scala