1 /* 2 * Copyright (c) 2000, 2012, 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 // An OopVisitor can be used to inspect all fields within an object. 28 // Fields include vm fields, java fields, indexable fields. 29 30 public interface FieldVisitor { 31 // Callback methods for each field type in an object doMetadata(MetadataField field, boolean isVMField)32 public void doMetadata(MetadataField field, boolean isVMField); doOop(OopField field, boolean isVMField)33 public void doOop(OopField field, boolean isVMField); doOop(NarrowOopField field, boolean isVMField)34 public void doOop(NarrowOopField field, boolean isVMField); doByte(ByteField field, boolean isVMField)35 public void doByte(ByteField field, boolean isVMField); doChar(CharField field, boolean isVMField)36 public void doChar(CharField field, boolean isVMField); doBoolean(BooleanField field, boolean isVMField)37 public void doBoolean(BooleanField field, boolean isVMField); doShort(ShortField field, boolean isVMField)38 public void doShort(ShortField field, boolean isVMField); doInt(IntField field, boolean isVMField)39 public void doInt(IntField field, boolean isVMField); doLong(LongField field, boolean isVMField)40 public void doLong(LongField field, boolean isVMField); doFloat(FloatField field, boolean isVMField)41 public void doFloat(FloatField field, boolean isVMField); doDouble(DoubleField field, boolean isVMField)42 public void doDouble(DoubleField field, boolean isVMField); doCInt(CIntField field, boolean isVMField)43 public void doCInt(CIntField field, boolean isVMField); 44 }; 45