/*

 * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * The Original Code is HAT. The Initial Developer of the

 * Original Code is Bill Foote, with contributions from others

 * at JavaSoft/Sun.

 */

package com.sun.tools.hat.internal.model;

/**

 *

 * @author      Bill Foote

 */

/**

 * Represents the value of a static field of a JavaClass

 */

public class JavaStatic {

    private JavaField field;

    private JavaThing value;

    public JavaStatic(JavaField field, JavaThing value) {

        this.field = field;

        this.value = value;

    }

    public void resolve(JavaClass clazz, Snapshot snapshot) {

        long id = -1;

        if (value instanceof JavaObjectRef) {

            id = ((JavaObjectRef)value).getId();

        }

        value = value.dereference(snapshot, field);

        if (value.isHeapAllocated() &&

            clazz.getLoader() == snapshot.getNullThing()) {

            // static fields are only roots if they are in classes

            //    loaded by the root classloader.

            JavaHeapObject ho = (JavaHeapObject) value;

            String s = "Static reference from " + clazz.getName()

                       + "." + field.getName();

            snapshot.addRoot(new Root(id, clazz.getId(),

                                      Root.JAVA_STATIC, s));

        }

    }

    public JavaField getField() {

        return field;

    }

    public JavaThing getValue() {

        return value;

    }

}