IndexableFieldIdentifier.java revision 9883:903a2e023ffb
1169689Skan/* 2169689Skan * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved. 3169689Skan * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4169689Skan * 5169689Skan * This code is free software; you can redistribute it and/or modify it 6169689Skan * under the terms of the GNU General Public License version 2 only, as 7169689Skan * published by the Free Software Foundation. 8169689Skan * 9169689Skan * This code is distributed in the hope that it will be useful, but WITHOUT 10169689Skan * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11169689Skan * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12169689Skan * version 2 for more details (a copy is included in the LICENSE file that 13169689Skan * accompanied this code). 14169689Skan * 15169689Skan * You should have received a copy of the GNU General Public License version 16169689Skan * 2 along with this work; if not, write to the Free Software Foundation, 17169689Skan * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18169689Skan * 19169689Skan * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20169689Skan * or visit www.oracle.com if you need additional information or have any 21169689Skan * questions. 22169689Skan * 23169689Skan */ 24169689Skan 25169689Skanpackage sun.jvm.hotspot.oops; 26169689Skan 27169689Skanimport sun.jvm.hotspot.*; 28169689Skanimport sun.jvm.hotspot.types.*; 29169689Skanimport java.io.*; 30169689Skan 31169689Skan// An IndexableFieldIdentifier describes a field in an Oop accessed by an index 32169689Skan 33169689Skanpublic class IndexableFieldIdentifier extends FieldIdentifier { 34169689Skan 35169689Skan public IndexableFieldIdentifier(int index) { 36169689Skan this.index = index; 37169689Skan } 38169689Skan 39169689Skan private int index; 40169689Skan 41169689Skan public int getIndex() { return index; } 42169689Skan 43169689Skan public String getName() { return Integer.toString(getIndex()); } 44169689Skan 45169689Skan public void printOn(PrintStream tty) { 46169689Skan tty.print(" - " + getIndex() + ":\t"); 47169689Skan } 48169689Skan 49169689Skan public boolean equals(Object obj) { 50169689Skan if (obj == null) { 51169689Skan return false; 52169689Skan } 53169689Skan 54169689Skan if (!(obj instanceof IndexableFieldIdentifier)) { 55169689Skan return false; 56169689Skan } 57169689Skan 58169689Skan return (((IndexableFieldIdentifier) obj).getIndex() == index); 59169689Skan } 60169689Skan 61169689Skan public int hashCode() { 62169689Skan return index; 63169689Skan } 64169689Skan}; 65169689Skan