| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.netbeans.modules.debugger.jpda; |
| |
| import java.beans.PropertyChangeEvent; |
| import java.beans.PropertyChangeListener; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.WeakHashMap; |
| import org.netbeans.api.debugger.jpda.DeadlockDetector; |
| import org.netbeans.api.debugger.jpda.JPDADebugger; |
| import org.netbeans.api.debugger.jpda.JPDAThread; |
| import org.netbeans.api.debugger.jpda.ThreadsCollector; |
| import org.netbeans.modules.debugger.jpda.models.JPDAThreadImpl; |
| import org.openide.util.WeakListeners; |
| |
| /** |
| * |
| * @author martin |
| */ |
| public class ThreadsCollectorImpl extends ThreadsCollector { |
| |
| private JPDADebuggerImpl debugger; |
| |
| private PropertyChangeListener changesInThreadsListener; |
| private final Map<JPDAThread, ThreadStateListener> threadStateListeners = new WeakHashMap<JPDAThread, ThreadStateListener>(); |
| private final List<JPDAThread> threads = new ArrayList<JPDAThread>(); |
| |
| public ThreadsCollectorImpl(JPDADebuggerImpl debugger) { |
| this.debugger = debugger; |
| List<JPDAThread> allThreads = debugger.getAllThreads(); |
| synchronized (threads) { |
| threads.addAll(allThreads); |
| } |
| changesInThreadsListener = new ChangesInThreadsListener(); |
| debugger.addPropertyChangeListener(WeakListeners.propertyChange(changesInThreadsListener, debugger)); |
| for (JPDAThread thread : allThreads) { |
| watchThread(thread); |
| } |
| } |
| |
| @Override |
| public List<JPDAThread> getAllThreads() { |
| synchronized (threads) { |
| return Collections.unmodifiableList(new ArrayList(threads)); |
| } |
| } |
| |
| @Override |
| public DeadlockDetector getDeadlockDetector() { |
| return debugger.getDeadlockDetector(); |
| } |
| |
| private void watchThread(JPDAThread thread) { |
| synchronized (threadStateListeners) { |
| if (!threadStateListeners.containsKey(thread)) { |
| threadStateListeners.put(thread, new ThreadStateListener(thread)); |
| } |
| } |
| } |
| |
| public boolean isSomeThreadRunning() { |
| for (JPDAThread thread : getAllThreads()) { |
| if (!thread.isSuspended() && !((JPDAThreadImpl) thread).isMethodInvoking()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public boolean isSomeThreadSuspended() { |
| for (JPDAThread thread : getAllThreads()) { |
| if (thread.isSuspended() || ((JPDAThreadImpl) thread).isMethodInvoking()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private class ThreadStateListener implements PropertyChangeListener { |
| |
| //private JPDAThread thread; |
| |
| public ThreadStateListener(JPDAThread thread) { |
| //this.thread = thread; |
| ((JPDAThreadImpl) thread).addPropertyChangeListener(WeakListeners.propertyChange(this, thread)); |
| } |
| |
| public void propertyChange(PropertyChangeEvent evt) { |
| if (JPDAThread.PROP_SUSPENDED.equals(evt.getPropertyName())) { |
| if ("methodInvoke".equals(evt.getPropagationId())) { |
| return ; // Ignore events associated with method invocations |
| } |
| JPDAThread thread = (JPDAThread) evt.getSource(); |
| if (thread.isSuspended()) { |
| firePropertyChange(PROP_THREAD_SUSPENDED, null, thread); |
| } else { |
| firePropertyChange(PROP_THREAD_RESUMED, null, thread); |
| } |
| } |
| } |
| |
| } |
| |
| private class ChangesInThreadsListener implements PropertyChangeListener { |
| |
| public void propertyChange(PropertyChangeEvent evt) { |
| String propertyName = evt.getPropertyName(); |
| if (JPDADebugger.PROP_THREAD_STARTED.equals(propertyName)) { |
| JPDAThread thread = (JPDAThread) evt.getNewValue(); |
| watchThread(thread); |
| synchronized (threads) { |
| if (!threads.contains(thread)) { |
| threads.add(thread); // Could be already added in constructor... |
| } |
| } |
| firePropertyChange(PROP_THREAD_STARTED, evt.getOldValue(), evt.getNewValue()); |
| } else if (JPDADebugger.PROP_THREAD_DIED.equals(propertyName)) { |
| JPDAThread thread = (JPDAThread) evt.getOldValue(); |
| synchronized (threads) { |
| threads.remove(thread); |
| } |
| firePropertyChange(PROP_THREAD_DIED, evt.getOldValue(), evt.getNewValue()); |
| } else if (JPDADebugger.PROP_THREAD_GROUP_ADDED.equals(propertyName)) { |
| firePropertyChange(PROP_THREAD_GROUP_ADDED, evt.getOldValue(), evt.getNewValue()); |
| } |
| } |
| |
| } |
| } |