1 /* 2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.javafx.jmx; 27 28 /** 29 * Context used together with {@link MXNodeAlgorithm} for obtaining the Scene-graph 30 * structure. 31 */ 32 public class MXNodeAlgorithmContext { 33 34 private int counter; 35 36 /** 37 * Creates new instance of the context with the node counter initialized to zero. 38 */ 39 public MXNodeAlgorithmContext() { 40 this(0); 41 } 42 43 /** 44 * Creates new instance of the context with the node counter initialized 45 * to <code>initCounterValue</code>. 46 * 47 * @param initCounterValue initial value for node identifiers 48 */ 49 public MXNodeAlgorithmContext(int initCounterValue) { 50 counter = initCounterValue; 51 } 52 53 /** 54 * Returns next number identifier. Numbers returned by this method are used 55 * as node's identifiers. 56 * 57 * @return the next identifier 58 */ 59 public int getNextInt() { 60 return ++counter; 61 } 62 63 }