jdk/src/share/classes/com/sun/tools/example/debug/bdi/ModificationWatchpointSpec.java

/*
 * Copyright 1999 Sun Microsystems, Inc.  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.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

package com.sun.tools.example.debug.bdi;

import com.sun.jdi.*;
import com.sun.jdi.request.*;

public class ModificationWatchpointSpec extends WatchpointSpec {

    ModificationWatchpointSpec(EventRequestSpecList specs,
                         ReferenceTypeSpec refSpec, String fieldId) {
        super(specs, refSpec,  fieldId);
    }

    /**
     * The 'refType' is known to match.
     */
    void resolve(ReferenceType refType) throws InvalidTypeException,
                                             NoSuchFieldException {
        if (!(refType instanceof ClassType)) {
            throw new InvalidTypeException();
        }
        Field field = refType.fieldByName(fieldId);
        if (field == null) {
            throw new NoSuchFieldException(fieldId);
        }
        setRequest(refType.virtualMachine().eventRequestManager()
                   .createModificationWatchpointRequest(field));
    }

    public boolean equals(Object obj) {
        return (obj instanceof ModificationWatchpointSpec) &&
            super.equals(obj);
    }
}