| Clover coverage report - DrJava Test Coverage (drjava-20120304-r5456) |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| JPDAThreadData.java | 0% | 0% | 0% | 0% |
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| 1 | /*BEGIN_COPYRIGHT_BLOCK | |
| 2 | * | |
| 3 | * Copyright (c) 2001-2010, JavaPLT group at Rice University (drjava@rice.edu) | |
| 4 | * All rights reserved. | |
| 5 | * | |
| 6 | * Redistribution and use in source and binary forms, with or without | |
| 7 | * modification, are permitted provided that the following conditions are met: | |
| 8 | * * Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * * Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * * Neither the names of DrJava, the JavaPLT group, Rice University, nor the | |
| 14 | * names of its contributors may be used to endorse or promote products | |
| 15 | * derived from this software without specific prior written permission. | |
| 16 | * | |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
| 21 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 22 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 23 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 24 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 25 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 26 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 28 | * | |
| 29 | * This software is Open Source Initiative approved Open Source Software. | |
| 30 | * Open Source Initative Approved is a trademark of the Open Source Initiative. | |
| 31 | * | |
| 32 | * This file is part of DrJava. Download the current version of this project | |
| 33 | * from http://www.drjava.org/ or http://sourceforge.net/projects/drjava/ | |
| 34 | * | |
| 35 | * END_COPYRIGHT_BLOCK*/ | |
| 36 | ||
| 37 | package edu.rice.cs.drjava.model.debug.jpda; | |
| 38 | ||
| 39 | import com.sun.jdi.*; | |
| 40 | import edu.rice.cs.drjava.model.debug.DebugThreadData; | |
| 41 | ||
| 42 | /** | |
| 43 | * Class for keeping track of the currently running threads. | |
| 44 | * @version $Id: JPDAThreadData.java 5175 2010-01-20 08:46:32Z mgricken $ | |
| 45 | */ | |
| 46 | public class JPDAThreadData extends DebugThreadData { | |
| 47 | private final ThreadReference _thread; | |
| 48 | ||
| 49 | /** Object for keeping track of a thread in the debuggee JVM. | |
| 50 | * @param thread JPDA's reference to the thread | |
| 51 | */ | |
| 52 | 0 | public JPDAThreadData(ThreadReference thread) { |
| 53 | 0 | super(threadName(thread), threadStatus(thread), thread.uniqueID()); |
| 54 | 0 | _thread = thread; |
| 55 | } | |
| 56 | ||
| 57 | 0 | private static String threadName(ThreadReference thread) { |
| 58 | 0 | try { return thread.name(); } |
| 59 | 0 | catch (VMDisconnectedException e) { return ""; } |
| 60 | } | |
| 61 | ||
| 62 | 0 | private static String threadStatus(ThreadReference thread) { |
| 63 | 0 | String status = "(unknown)"; |
| 64 | 0 | try { |
| 65 | 0 | switch (thread.status()) { |
| 66 | 0 | case ThreadReference.THREAD_STATUS_MONITOR: |
| 67 | 0 | status = "MONITOR"; break; |
| 68 | 0 | case ThreadReference.THREAD_STATUS_NOT_STARTED: |
| 69 | 0 | status = "NOT STARTED"; break; |
| 70 | 0 | case ThreadReference.THREAD_STATUS_RUNNING: |
| 71 | 0 | status = "RUNNING"; break; |
| 72 | 0 | case ThreadReference.THREAD_STATUS_SLEEPING: |
| 73 | 0 | status = "SLEEPING"; break; |
| 74 | 0 | case ThreadReference.THREAD_STATUS_UNKNOWN: |
| 75 | 0 | status = "UNKNOWN"; break; |
| 76 | 0 | case ThreadReference.THREAD_STATUS_WAIT: |
| 77 | 0 | status = "WAIT"; break; |
| 78 | 0 | case ThreadReference.THREAD_STATUS_ZOMBIE: |
| 79 | 0 | status = "ZOMBIE"; break; |
| 80 | } | |
| 81 | } | |
| 82 | catch (VMDisconnectedException e) { | |
| 83 | // status will be set to unknown | |
| 84 | } | |
| 85 | 0 | if ( safeIsSuspended(thread) && status.equals("RUNNING") ) { |
| 86 | 0 | status = "SUSPENDED"; |
| 87 | } | |
| 88 | 0 | return status; |
| 89 | } | |
| 90 | ||
| 91 | /** Tells whether or not the thread is suspended. | |
| 92 | * @return true iff the thread is suspended | |
| 93 | */ | |
| 94 | 0 | public boolean isSuspended() { return safeIsSuspended(_thread); } |
| 95 | ||
| 96 | /** Invoke {@code t.isSuspended()} under the protection of a try-catch block */ | |
| 97 | 0 | private static boolean safeIsSuspended(ThreadReference t) { |
| 98 | 0 | try { return t.isSuspended(); } |
| 99 | 0 | catch (ObjectCollectedException e) { return false; } |
| 100 | 0 | catch (VMDisconnectedException e) { return false; } |
| 101 | } | |
| 102 | ||
| 103 | } |
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