blob: caa31d10cf94985dde7a4e05cfb1dece86d28d91 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2006-2007, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id$
package scala.collection.jcl;
/** A wrapper around a Java collection that only supports remove mutations.
*
* @author Sean McDirmid
*/
trait IterableWrapper[A] extends MutableIterable[A] {
def underlying: java.util.Collection[A];
override def remove(a: A) = underlying.remove(a);
override def removeAll(that: Iterable[A]) = that match {
case that: IterableWrapper[_] => underlying.removeAll(that.underlying);
case _ => super.removeAll(that);
}
override def retainAll(that : Iterable[A]) = that match {
case that : IterableWrapper[_] => underlying.retainAll(that.underlying);
case _ => super.retainAll(that);
}
override def size = underlying.size;
override def isEmpty = underlying.isEmpty;
override def clear = underlying.clear;
override def elements : MutableIterator[A] = new MutableIterator.Wrapper[A](underlying.iterator);
}
|