| /******************************************************************************* |
| * Copyright (c) 2005, 2011 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.core.model; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.model.ITerminate; |
| import org.eclipse.jdt.debug.core.IJavaThread; |
| import org.eclipse.jdt.debug.core.IJavaThreadGroup; |
| |
| import com.sun.jdi.ThreadGroupReference; |
| import com.sun.jdi.ThreadReference; |
| import com.sun.jdi.VMDisconnectedException; |
| |
| /** |
| * @since 3.2 |
| * |
| */ |
| public class JDIThreadGroup extends JDIDebugElement implements |
| IJavaThreadGroup, ITerminate { |
| |
| private ThreadGroupReference fGroup = null; |
| private String fName = null; |
| |
| /** |
| * Constructs a new thread group in the given target based on the underlying |
| * thread group reference. |
| * |
| * @param target |
| * debug target |
| * @param group |
| * thread group reference |
| */ |
| public JDIThreadGroup(JDIDebugTarget target, ThreadGroupReference group) { |
| super(target); |
| fGroup = group; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jdt.debug.core.IJavaThreadGroup#getThreads() |
| */ |
| @Override |
| public synchronized IJavaThread[] getThreads() throws DebugException { |
| try { |
| List<ThreadReference> threads = fGroup.threads(); |
| List<JDIThread> modelThreads = new ArrayList<>(threads.size()); |
| Iterator<ThreadReference> iterator = threads.iterator(); |
| while (iterator.hasNext()) { |
| ThreadReference ref = iterator.next(); |
| JDIThread thread = getJavaDebugTarget().findThread(ref); |
| if (thread != null) { |
| modelThreads.add(thread); |
| } |
| } |
| return modelThreads |
| .toArray(new IJavaThread[modelThreads.size()]); |
| } catch (VMDisconnectedException e) { |
| // terminated/disconnected, return empty collection |
| return new IJavaThread[0]; |
| } catch (RuntimeException e) { |
| targetRequestFailed(JDIDebugModelMessages.JDIThreadGroup_0, e); |
| } |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jdt.debug.core.IJavaThreadGroup#getThreadGroup() |
| */ |
| @Override |
| public IJavaThreadGroup getThreadGroup() throws DebugException { |
| try { |
| ThreadGroupReference reference = fGroup.parent(); |
| if (reference != null) { |
| return getJavaDebugTarget().findThreadGroup(reference); |
| } |
| } catch (RuntimeException e) { |
| targetRequestFailed(JDIDebugModelMessages.JDIThreadGroup_1, e); |
| } |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jdt.debug.core.IJavaThreadGroup#getThreadGroups() |
| */ |
| @Override |
| public IJavaThreadGroup[] getThreadGroups() throws DebugException { |
| try { |
| List<ThreadGroupReference> groups = fGroup.threadGroups(); |
| List<JDIThreadGroup> modelGroups = new ArrayList<>(groups.size()); |
| Iterator<ThreadGroupReference> iterator = groups.iterator(); |
| while (iterator.hasNext()) { |
| ThreadGroupReference ref = iterator |
| .next(); |
| JDIThreadGroup group = getJavaDebugTarget() |
| .findThreadGroup(ref); |
| if (group != null) { |
| modelGroups.add(group); |
| } |
| } |
| return modelGroups |
| .toArray(new IJavaThreadGroup[modelGroups.size()]); |
| } catch (VMDisconnectedException e) { |
| return new IJavaThreadGroup[0]; |
| } catch (RuntimeException e) { |
| targetRequestFailed(JDIDebugModelMessages.JDIThreadGroup_2, e); |
| } |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jdt.debug.core.IJavaThreadGroup#getName() |
| */ |
| @Override |
| public synchronized String getName() throws DebugException { |
| if (fName == null) { |
| try { |
| fName = fGroup.name(); |
| } catch (RuntimeException e) { |
| targetRequestFailed(JDIDebugModelMessages.JDIThreadGroup_3, e); |
| } |
| } |
| return fName; |
| } |
| |
| ThreadGroupReference getUnderlyingThreadGroup() { |
| return fGroup; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jdt.debug.core.IJavaThreadGroup#hasThreadGroups() |
| */ |
| @Override |
| public boolean hasThreadGroups() throws DebugException { |
| try { |
| List<ThreadGroupReference> groups = fGroup.threadGroups(); |
| return groups.size() > 0; |
| } catch (RuntimeException e) { |
| targetRequestFailed(JDIDebugModelMessages.JDIThreadGroup_4, e); |
| } |
| return false; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jdt.debug.core.IJavaThreadGroup#hasThreads() |
| */ |
| @Override |
| public boolean hasThreads() throws DebugException { |
| try { |
| List<ThreadReference> threads = fGroup.threads(); |
| return threads.size() > 0; |
| } catch (RuntimeException e) { |
| targetRequestFailed(JDIDebugModelMessages.JDIThreadGroup_5, e); |
| } |
| return false; |
| } |
| |
| /** |
| * @see org.eclipse.debug.core.model.ITerminate#canTerminate() |
| */ |
| @Override |
| public boolean canTerminate() { |
| // the group can terminate if the target can terminate |
| return getDebugTarget().canTerminate(); |
| } |
| |
| /** |
| * @see org.eclipse.debug.core.model.ITerminate#isTerminated() |
| */ |
| @Override |
| public boolean isTerminated() { |
| return getDebugTarget().isTerminated(); |
| } |
| |
| /** |
| * @see org.eclipse.debug.core.model.ITerminate#terminate() |
| */ |
| @Override |
| public void terminate() throws DebugException { |
| getDebugTarget().terminate(); |
| } |
| |
| } |