68 lines
2.6 KiB
Java
68 lines
2.6 KiB
Java
/*
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* Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* This source code is provided to illustrate the usage of a given feature
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* or technique and has been deliberately simplified. Additional steps
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* required for a production-quality application, such as security checks,
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* input validation and proper error handling, might not be present in
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* this sample code.
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*/
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package com.sun.tools.example.debug.tty;
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import com.sun.jdi.*;
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import com.sun.jdi.request.EventRequestManager;
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import com.sun.jdi.request.EventRequest;
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class ModificationWatchpointSpec extends WatchpointSpec {
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ModificationWatchpointSpec(ReferenceTypeSpec refSpec, String fieldId)
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throws MalformedMemberNameException {
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super(refSpec, fieldId);
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}
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/**
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* The 'refType' is known to match, return the EventRequest.
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*/
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@Override
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EventRequest resolveEventRequest(ReferenceType refType)
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throws NoSuchFieldException {
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Field field = refType.fieldByName(fieldId);
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EventRequestManager em = refType.virtualMachine().eventRequestManager();
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EventRequest wp = em.createModificationWatchpointRequest(field);
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wp.setSuspendPolicy(suspendPolicy);
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wp.enable();
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return wp;
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}
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@Override
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public String toString() {
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return MessageOutput.format("watch modification of",
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new Object [] {refSpec.toString(),
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fieldId});
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}
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}
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