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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
** $Id$
\* */
package scala.collection.mutable;
/** This class can be used as an adaptor to create mutable sets from
* Java classes that implement interface <code>java.util.Set</code>.
*
* @author Matthias Zenger
* @version 1.0, 19/09/2003
*/
class JavaSetAdaptor[A](jset: java.util.Set) extends Set[A] {
def size: Int = jset.size();
override def isEmpty: Boolean = jset.isEmpty();
def contains(elem: A): Boolean = jset.contains(elem);
def elements: Iterator[A] = new Iterator[A] {
val iter = jset.iterator();
def hasNext = iter.hasNext();
def next = iter.next().asInstanceOf[A];
}
def +=(elem: A): Unit = { val x = jset.add(elem); }
def -=(elem: A): Unit = { val x = jset.remove(elem); }
def clear: Unit = jset.clear();
override def clone(): Set[A] = {
val res = new HashSet[A];
res ++= this;
res;
}
}
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