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- /*
- File: RBCellEnumeration.java
-
- Originally written by Doug Lea and released into the public domain.
- Thanks for the assistance and support of Sun Microsystems Labs, Agorics
- Inc, Loral, and everyone contributing, testing, and using this code.
-
- History:
- Date Who What
- 24Sep95 dl@cs.oswego.edu Create from collections.java working file
- 13Oct95 dl Changed protection statuses
-
- */
-
- package collections;
-
- import java.util.Enumeration;
- import java.util.NoSuchElementException;
-
- /**
- *
- *
- * Enumerator for collections based on RBCells
- * @author Doug Lea
- * @version 0.93
- *
- * <P> For an introduction to this package see <A HREF="index.html"> Overview </A>.
- **/
- final class RBCellEnumeration extends CEImpl {
- private RBCell cur_;
-
- public RBCellEnumeration(UpdatableCollection c, RBCell t) {
- super(c);
- if (t == null)
- cur_ = t;
- else
- cur_ = t.leftmost();
- }
-
- /**
- * Implements java.util.Enumeration.nextElement.
- * @see java.util.Enumeration#nextElement
- **/
- public Object nextElement() {
- decRemaining();
- Object v = cur_.element();
- cur_ = cur_.successor();
- return v;
- }
-
- }
-
-