1 /* 2 * Copyright 2000-2001 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 package sun.jvm.hotspot.oops; 26 27 /** A DefaultOopVisitor implements basic no-op OopVisitor 28 functionality except that the setObj() and getObj() methods are 29 implemented properly. */ 30 31 public class DefaultOopVisitor implements OopVisitor { 32 private Oop obj; 33 34 public void prologue() {} 35 36 // Called after visiting an object 37 public void epilogue() {} 38 39 public void setObj(Oop obj) { 40 this.obj = obj; 41 } 42 43 public Oop getObj() { 44 return obj; 45 } 46 47 // Callback methods for each field type in an object 48 public void doOop(OopField field, boolean isVMField) {} 49 public void doByte(ByteField field, boolean isVMField) {} 50 public void doChar(CharField field, boolean isVMField) {} 51 public void doBoolean(BooleanField field, boolean isVMField) {} 52 public void doShort(ShortField field, boolean isVMField) {} 53 public void doInt(IntField field, boolean isVMField) {} 54 public void doLong(LongField field, boolean isVMField) {} 55 public void doFloat(FloatField field, boolean isVMField) {} 56 public void doDouble(DoubleField field, boolean isVMField) {} 57 public void doCInt(CIntField field, boolean isVMField) {} 58 }