1/* 2 * Copyright (c) 2004, 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 26package sun.tools.jstat; 27 28/** 29 * An Expression subclass that describes the variable operands of an 30 * expression. Objects of this type are always leaves of an expression tree. 31 * 32 * @author Brian Doherty 33 * @since 1.5 34 */ 35public class Identifier extends Expression { 36 37 private String name; 38 private Object value; 39 40 public Identifier(String name) { 41 super(); 42 this.name = name; 43 } 44 45 public String getName() { 46 return name; 47 } 48 49 public void setValue(Object value) { 50 this.value = value; 51 } 52 53 public Object getValue() { 54 return value; 55 } 56 57 public boolean isResolved() { 58 return value != null; 59 } 60 61 public String toString() { 62 return name; 63 } 64} 65