126 lines
3.4 KiB
Java
126 lines
3.4 KiB
Java
/*
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* Copyright (c) 2005, 2018, 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.
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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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package nsk.share.jvmti;
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import nsk.share.Log;
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import static nsk.share.Consts.*;
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/**
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*
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* The abstract class, <b>RedefineAgent</b> is used in development of many
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* of hotswap testcases. This class tryied to encapsulate a work flow model
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* of a typical testcases. So, it reduces normal steps of creating
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* <b>Logger</b> ,<b>ArgumentHandler</b> objects.
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*
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* Need to extend and implement method <b>agentMethod</b>. That actually
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* carries out functionality of the testcase.
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* <code>
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* public class MyTestCase extends RedefineAgent {
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* public MyTestCase(String[] arg) {
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* super(arg);
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* }
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*
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* public boolean agentMethod() {
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* boolean state;
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* // do some thing.
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* return state;
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* }
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*
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* public static void main(String[] arg) {
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* MyTestCase testcase = MyTestCase(arg);
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* System.exit(testcase.runAgent());
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* }
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*
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* }
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* </code>
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*/
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public abstract class RedefineAgent {
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public static Log log = null;
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ArgumentHandler argHandler = null;
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/**
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* Constructor which will intiates the Logger
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* and ArgumentHandler.
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*
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*/
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public RedefineAgent(String[] arg) {
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argHandler = new ArgumentHandler(arg);
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log = new Log(System.out,argHandler);
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}
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/**
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* Constructor which will intiates the Logger
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* and keeps ArgumentHandler as null.
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*
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*/
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public RedefineAgent() {
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log = new Log(System.out);
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}
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/**
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* Native agent would use <b>nsk_jvmti_agentFailed()</b> Method to
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* notify its status.
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*/
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public native boolean agentStatus();
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/**
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* Native method which will do redefine This is the state when tha agent
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* is already in <b>nsk_jvmti_redefineClass</b>.
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*
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*
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*/
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public native boolean redefineAttempted();
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/**
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*
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* Native method which gets the status from the redefineStatus.
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*
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*/
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public native boolean isRedefined();
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/**
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* This method <i>agentMethod</i> needs to be implemented by the
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*/
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abstract public boolean agentMethod();
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/**
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* This method will be executed from tha
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* mainClass to run the agent.
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*/
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public int runAgent() {
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boolean agentStatus = agentMethod();
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int returnStatus = ( agentStatus ? JCK_STATUS_BASE+TEST_PASSED
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: JCK_STATUS_BASE+TEST_FAILED) ;
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return returnStatus;
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}
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}
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