hotspot/agent/src/share/classes/sun/jvm/hotspot/utilities/ConstIterator.java

/*
 * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

package sun.jvm.hotspot.utilities;

import java.util.Iterator;

/** An Iterator which wraps another and prevents the "remove" method
    from being called */

public class ConstIterator implements Iterator {
  private Iterator iter;

  public ConstIterator(Iterator iter) {
    this.iter = iter;
  }

  public boolean hasNext() {
    return iter.hasNext();
  }

  public Object next() {
    return iter.next();
  }

  public void remove() {
    throw new UnsupportedOperationException();
  }
}