1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements.  See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License.  You may obtain a copy of the License at
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *
15  *  See the License for the specific language governing permissions and
16  *  limitations under the License.
17  */
18 
19 /**
20  * @author Vitaly A. Provodin
21  */
22 
23 /**
24  * Created on 25.02.2005
25  */
26 package org.apache.harmony.jpda.tests.jdwp.ThreadGroupReference;
27 
28 import org.apache.harmony.jpda.tests.framework.DebuggeeSynchronizer;
29 import org.apache.harmony.jpda.tests.framework.LogWriter;
30 import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer;
31 import org.apache.harmony.jpda.tests.share.SyncDebuggee;
32 
33 
34 /**
35  * The class specifies debuggee for <code>org.apache.harmony.jpda.tests.jdwp.ThreadGroupReference.NameTest</code>
36  * and <code>org.apache.harmony.jpda.tests.jdwp.ThreadGroupReference.ParentTest</code>.
37  * This debuggee is started as follow:
38  * <ol>
39  *      <li>the group <code>PARENT_GROUP</code> is created
40  *      <li>the group <code>CHILD_GROUP</code> is created as a child of
41  *          the <code>PARENT_GROUP</code>
42  *      <li>the tested thread <code>TESTED_THREAD</code> is started so this
43  *          thread belongs to the <code>CHILD_GROUP</code>.
44  * </ol>
45  */
46 public class NameDebuggee extends SyncDebuggee {
47 
48     public static final String PARENT_GROUP  = "ParentGroup";
49     public static final String CHILD_GROUP   = "ChildGroup";
50     public static final String TESTED_THREAD = "TestedThread";
51 
52     static Object waitForStart = new Object();
53     static Object waitForFinish = new Object();
54 
run()55     public void run() {
56         ThreadGroup thrdGroupParent = new ThreadGroup(PARENT_GROUP);
57         ThreadGroup thrdGroupChild = new ThreadGroup(thrdGroupParent, CHILD_GROUP);
58         DebuggeeThread thrd = new DebuggeeThread(thrdGroupChild, TESTED_THREAD,
59                 logWriter, synchronizer);
60 
61         synchronized(waitForStart){
62             thrd.start();
63             try {
64                 waitForStart.wait();
65             } catch (InterruptedException e) {
66 
67             }
68         }
69 
70         synchronized(waitForFinish){
71             logWriter.println("thread is finished");
72         }
73     }
74 
75     class DebuggeeThread extends Thread {
76 
77         LogWriter logWriter;
78         DebuggeeSynchronizer synchronizer;
79 
DebuggeeThread(ThreadGroup thrdGroup, String name, LogWriter logWriter, DebuggeeSynchronizer synchronizer)80         public DebuggeeThread(ThreadGroup thrdGroup, String name,
81                 LogWriter logWriter, DebuggeeSynchronizer synchronizer) {
82             super(thrdGroup, name);
83             this.logWriter = logWriter;
84             this.synchronizer = synchronizer;
85         }
86 
run()87         public void run() {
88 
89             synchronized(NameDebuggee.waitForFinish){
90 
91                 synchronized(NameDebuggee.waitForStart){
92 
93                     NameDebuggee.waitForStart.notifyAll();
94 
95                     logWriter.println(getName() +  ": started");
96                     synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_READY);
97 
98                     logWriter.println(getName() +  ": wait for SGNL_CONTINUE");
99                     synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
100                     logWriter.println(getName() +  ": finished");
101                 }
102             }
103         }
104     }
105 
main(String [] args)106     public static void main(String [] args) {
107         runDebuggee(NameDebuggee.class);
108     }
109 }
110