001/*
002 * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.compiler.common;
024
025import jdk.internal.jvmci.common.*;
026
027public abstract class FieldIntrospection<T> extends UnsafeAccess {
028
029    private final Class<T> clazz;
030
031    /**
032     * The set of fields in {@link #clazz} that do long belong to a more specific category.
033     */
034    protected Fields data;
035
036    public FieldIntrospection(Class<T> clazz) {
037        this.clazz = clazz;
038    }
039
040    public Class<T> getClazz() {
041        return clazz;
042    }
043
044    /**
045     * Gets the fields in {@link #getClazz()} that do long belong to specific category.
046     */
047    public Fields getData() {
048        return data;
049    }
050
051    public abstract Fields[] getAllFields();
052}