0N/A/*
2362N/A * Copyright (c) 1998, 2008, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
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2362N/A * or visit www.oracle.com if you need additional information or have any
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0N/A */
0N/A
4378N/A/*
4378N/A * This source code is provided to illustrate the usage of a given feature
4378N/A * or technique and has been deliberately simplified. Additional steps
4378N/A * required for a production-quality application, such as security checks,
4378N/A * input validation and proper error handling, might not be present in
4378N/A * this sample code.
4378N/A */
4378N/A
4378N/A
0N/Apackage com.sun.tools.example.debug.tty;
0N/A
0N/Aimport com.sun.jdi.ThreadGroupReference;
0N/Aimport com.sun.jdi.ThreadReference;
0N/Aimport java.util.List;
0N/Aimport java.util.Iterator;
0N/A
28N/Aclass ThreadIterator implements Iterator<ThreadReference> {
28N/A Iterator<ThreadReference> it = null;
0N/A ThreadGroupIterator tgi;
0N/A
0N/A ThreadIterator(ThreadGroupReference tg) {
0N/A tgi = new ThreadGroupIterator(tg);
0N/A }
0N/A
0N/A ThreadIterator(List<ThreadGroupReference> tgl) {
0N/A tgi = new ThreadGroupIterator(tgl);
0N/A }
0N/A
0N/A ThreadIterator() {
0N/A tgi = new ThreadGroupIterator();
0N/A }
0N/A
4123N/A @Override
0N/A public boolean hasNext() {
0N/A while (it == null || !it.hasNext()) {
0N/A if (!tgi.hasNext()) {
0N/A return false; // no more
0N/A }
0N/A it = tgi.nextThreadGroup().threads().iterator();
0N/A }
0N/A return true;
0N/A }
0N/A
4123N/A @Override
28N/A public ThreadReference next() {
0N/A return it.next();
0N/A }
0N/A
0N/A public ThreadReference nextThread() {
28N/A return next();
0N/A }
0N/A
4123N/A @Override
0N/A public void remove() {
0N/A throw new UnsupportedOperationException();
0N/A }
0N/A}