reactify.reaction.Reactions.scala Maven / Gradle / Ivy
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package reactify.reaction
/**
* Reactions represents a list of Reaction instances specifically associated with a Reactive
*/
class Reactions[T] {
private var list = List.empty[Reaction[T]]
/**
* Return all Reactions associated with this Reactive
*/
def apply(): List[Reaction[T]] = list
/**
* Add a Reaction
*/
def +=(reaction: Reaction[T]): Reaction[T] = synchronized {
list = (list ::: List(reaction)).sorted.distinct
reaction
}
/**
* Remove a Reaction
*/
def -=(reaction: Reaction[T]): Boolean = synchronized {
val previous = list
list = list.filterNot(_ eq reaction)
previous != list
}
/**
* Remove all Reactions
*/
def clear(): Unit = synchronized {
list = Nil
}
}