scala.collection.mutable

trait ObservableMap

[source: scala/collection/mutable/ObservableMap.scala]

trait ObservableMap[A, B, This <: ObservableMap[A, B, This]]
extends Map[A, B] with Publisher[Message[(A, B)] with Undoable, This]
This class is typically used as a mixin. It adds a subscription mechanism to the Map class into which this abstract class is mixed in. Class ObservableMap publishes events of the type Message.
Author
Matthias Zenger
Martin Odersky
Version
2.0, 31/12/2006
Method Summary
def -= (key : A) : Unit
Remove a key from this map, noop if key is not present.
def clear : Unit
Removes all mappings from the map. After this operation is completed, the map is empty.
def update (key : A, value : B) : Unit
This method allows one to add a new mapping from key to value to the map. If the map already contains a mapping for key, it will be overridden by this function.
Methods inherited from Publisher
subscribe, subscribe, suspendSubscription, activateSubscription, removeSubscription, removeSubscriptions, publish
Methods inherited from Map
+=, +=, ++=, ++=, +, +, ++, ++, -=, --=, --=, -, -, --, --, getOrElseUpdate, transform, retain, <<, clone, +=, incl, excl
Methods inherited from Map
size (abstract), get (abstract), getOrElse, isEmpty, apply, contains, isDefinedAt, keys, keySet, values, equals, hashCode, toString, default, projection, filterKeys, mapElements
Methods inherited from Collection
toArray, stringPrefix, equalWith
Methods inherited from Iterable
elements (abstract), concat, ++, map, flatMap, filter, takeWhile, dropWhile, take, drop, foreach, forall, exists, find, findIndexOf, indexOf, foldLeft, foldRight, /:, :\, reduceLeft, reduceRight, copyToBuffer, sameElements, toList, mkString, mkString, addString, addString, copyToArray, hasDefiniteSize
Methods inherited from PartialFunction
orElse, andThen
Methods inherited from Function1
compose
Methods inherited from AnyRef
getClass, notify, notifyAll, wait, wait, wait, finalize, ==, !=, eq, ne, synchronized
Methods inherited from Any
==, !=, isInstanceOf, asInstanceOf
Method Details
def update(key : A, value : B) : Unit
This method allows one to add a new mapping from key to value to the map. If the map already contains a mapping for key, it will be overridden by this function.
Parameters
key - The key to update
value - The new value
Overrides
Map.update

def -=(key : A) : Unit
Remove a key from this map, noop if key is not present.
Parameters
key - the key to be removed
Overrides
Map.-=

def clear : Unit
Removes all mappings from the map. After this operation is completed, the map is empty.
Overrides
Map.clear