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Scala example source code file (SynchronizedSet.scala)

This example Scala source code file (SynchronizedSet.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Scala tags/keywords

a, a, boolean, boolean, int, list, message, self, set, traversableonce, traversableonce, u, unit, unit

The Scala SynchronizedSet.scala source code

/*                     __                                               *\
**     ________ ___   / /  ___     Scala API                            **
**    / __/ __// _ | / /  / _ |    (c) 2003-2011, LAMP/EPFL             **
**  __\ \/ /__/ __ |/ /__/ __ |    http://scala-lang.org/               **
** /____/\___/_/ |_/____/_/ | |                                         **
**                          |/                                          **
\*                                                                      */


package scala.collection
package mutable

import script._

/** This class should be used as a mixin. It synchronizes the `Set`
 *  functions of the class into which it is mixed in.
 *  
 *  @tparam A    type of the elements contained in this synchronized set.
 *  
 *  @author  Matthias Zenger
 *  @version 1.0, 08/07/2003
 *  @since   1
 *  @define Coll SynchronizedSet
 *  @define coll synchronized set
 */
trait SynchronizedSet[A] extends Set[A] {
  import scala.collection.Traversable

  abstract override def size: Int = synchronized {
    super.size
  }

  override def isEmpty: Boolean = synchronized {
    super.isEmpty
  }

  abstract override def contains(elem: A) = synchronized {
    super.contains(elem)
  }

  abstract override def +=(elem: A): this.type = synchronized[this.type] {
    super.+=(elem)
  }

  override def ++=(xs: TraversableOnce[A]): this.type = synchronized[this.type] {
    super.++=(xs)
  }

  abstract override def -=(elem: A): this.type = synchronized[this.type] {
    super.-=(elem)
  }

  override def --=(xs: TraversableOnce[A]): this.type = synchronized[this.type] {
    super.--=(xs)
  }

  override def update(elem: A, included: Boolean): Unit = synchronized {
    super.update(elem, included)
  }

  override def add(elem: A): Boolean = synchronized {
    super.add(elem)
  }

  override def remove(elem: A): Boolean = synchronized {
    super.remove(elem)
  }

  override def intersect(that: scala.collection.GenSet[A]) = synchronized {
    super.intersect(that)
  }

  abstract override def clear(): Unit = synchronized {
    super.clear
  }

  override def subsetOf(that: scala.collection.GenSet[A]) = synchronized {
    super.subsetOf(that)
  }

  override def foreach[U](f: A =>  U) = synchronized {
    super.foreach(f)
  }

  override def retain(p: A => Boolean) = synchronized {
    super.retain(p)
  }

  override def toList: List[A] = synchronized {
    super.toList
  }

  override def toString = synchronized {
    super.toString
  }

  override def <<(cmd: Message[A]): Unit = synchronized {
    super.<<(cmd)
  }

  override def clone(): Self = synchronized {
    super.clone()
  }
}

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