1 /* 2 * Copyright (c) 2000, 2003, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 package sun.jvm.hotspot.oops; 26 27 import sun.jvm.hotspot.*; 28 import sun.jvm.hotspot.types.*; 29 import java.io.*; 30 31 // An IndexableFieldIdentifier describes a field in an Oop accessed by an index 32 33 public class IndexableFieldIdentifier extends FieldIdentifier { 34 IndexableFieldIdentifier(int index)35 public IndexableFieldIdentifier(int index) { 36 this.index = index; 37 } 38 39 private int index; 40 getIndex()41 public int getIndex() { return index; } 42 getName()43 public String getName() { return Integer.toString(getIndex()); } 44 printOn(PrintStream tty)45 public void printOn(PrintStream tty) { 46 tty.print(" - " + getIndex() + ":\t"); 47 } 48 equals(Object obj)49 public boolean equals(Object obj) { 50 if (obj == null) { 51 return false; 52 } 53 54 if (!(obj instanceof IndexableFieldIdentifier)) { 55 return false; 56 } 57 58 return (((IndexableFieldIdentifier) obj).getIndex() == index); 59 } 60 hashCode()61 public int hashCode() { 62 return index; 63 } 64 }; 65