| /* |
| * Copyright (c) 1999, 2004, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * This source code is provided to illustrate the usage of a given feature |
| * or technique and has been deliberately simplified. Additional steps |
| * required for a production-quality application, such as security checks, |
| * input validation and proper error handling, might not be present in |
| * this sample code. |
| */ |
| |
| |
| package com.sun.tools.example.debug.event; |
| |
| import com.sun.jdi.*; |
| import com.sun.jdi.event.*; |
| import com.sun.jdi.request.*; |
| |
| import java.util.*; |
| |
| public abstract class AbstractEventSet extends EventObject implements EventSet { |
| |
| private static final long serialVersionUID = 2772717574222076977L; |
| private final EventSet jdiEventSet; |
| final Event oneEvent; |
| |
| /** |
| */ |
| AbstractEventSet(EventSet jdiEventSet) { |
| super(jdiEventSet.virtualMachine()); |
| this.jdiEventSet = jdiEventSet; |
| this.oneEvent = eventIterator().nextEvent(); |
| } |
| |
| public static AbstractEventSet toSpecificEventSet(EventSet jdiEventSet) { |
| Event evt = jdiEventSet.eventIterator().nextEvent(); |
| if (evt instanceof LocatableEvent) { |
| if (evt instanceof ExceptionEvent) { |
| return new ExceptionEventSet(jdiEventSet); |
| } else if (evt instanceof WatchpointEvent) { |
| if (evt instanceof AccessWatchpointEvent) { |
| return new AccessWatchpointEventSet(jdiEventSet); |
| } else { |
| return new ModificationWatchpointEventSet(jdiEventSet); |
| } |
| } else { |
| return new LocationTriggerEventSet(jdiEventSet); |
| } |
| } else if (evt instanceof ClassPrepareEvent) { |
| return new ClassPrepareEventSet(jdiEventSet); |
| } else if (evt instanceof ClassUnloadEvent) { |
| return new ClassUnloadEventSet(jdiEventSet); |
| } else if (evt instanceof ThreadDeathEvent) { |
| return new ThreadDeathEventSet(jdiEventSet); |
| } else if (evt instanceof ThreadStartEvent) { |
| return new ThreadStartEventSet(jdiEventSet); |
| } else if (evt instanceof VMDeathEvent) { |
| return new VMDeathEventSet(jdiEventSet); |
| } else if (evt instanceof VMDisconnectEvent) { |
| return new VMDisconnectEventSet(jdiEventSet); |
| } else if (evt instanceof VMStartEvent) { |
| return new VMStartEventSet(jdiEventSet); |
| } else { |
| throw new IllegalArgumentException("Unknown event " + evt); |
| } |
| } |
| |
| public abstract void notify(JDIListener listener); |
| |
| // Implement Mirror |
| |
| @Override |
| public VirtualMachine virtualMachine() { |
| return jdiEventSet.virtualMachine(); |
| } |
| |
| public VirtualMachine getVirtualMachine() { |
| return jdiEventSet.virtualMachine(); |
| } |
| |
| // Implement EventSet |
| |
| /** |
| * Returns the policy used to suspend threads in the target VM |
| * for this event set. This policy is selected from the suspend |
| * policies for each event's request. The one that suspends the |
| * most threads is chosen when the event occurs in the target VM |
| * and that policy is returned here. See |
| * com.sun.jdi.request.EventRequest for the possible policy values. |
| * |
| * @return the integer suspendPolicy |
| */ |
| public int getSuspendPolicy() { |
| return jdiEventSet.suspendPolicy(); |
| } |
| |
| @Override |
| public void resume() { |
| jdiEventSet.resume(); |
| } |
| |
| @Override |
| public int suspendPolicy() { |
| return jdiEventSet.suspendPolicy(); |
| } |
| |
| public boolean suspendedAll() { |
| return jdiEventSet.suspendPolicy() == EventRequest.SUSPEND_ALL; |
| } |
| |
| public boolean suspendedEventThread() { |
| return jdiEventSet.suspendPolicy() == EventRequest.SUSPEND_EVENT_THREAD; |
| } |
| |
| public boolean suspendedNone() { |
| return jdiEventSet.suspendPolicy() == EventRequest.SUSPEND_NONE; |
| } |
| |
| /** |
| * Return an iterator specific to {@link Event} objects. |
| */ |
| @Override |
| public EventIterator eventIterator() { |
| return jdiEventSet.eventIterator(); |
| } |
| |
| |
| // Implement java.util.Set (by pass through) |
| |
| /** |
| * Returns the number of elements in this set (its cardinality). If this |
| * set contains more than <tt>Integer.MAX_VALUE</tt> elements, returns |
| * <tt>Integer.MAX_VALUE</tt>. |
| * |
| * @return the number of elements in this set (its cardinality). |
| */ |
| @Override |
| public int size() { |
| return jdiEventSet.size(); |
| } |
| |
| /** |
| * Returns <tt>true</tt> if this set contains no elements. |
| * |
| * @return <tt>true</tt> if this set contains no elements. |
| */ |
| @Override |
| public boolean isEmpty() { |
| return jdiEventSet.isEmpty(); |
| } |
| |
| /** |
| * Returns <tt>true</tt> if this set contains the specified element. More |
| * formally, returns <tt>true</tt> if and only if this set contains an |
| * element <code>e</code> such that <code>(o==null ? e==null : |
| * o.equals(e))</code>. |
| * |
| * @return <tt>true</tt> if this set contains the specified element. |
| */ |
| @Override |
| public boolean contains(Object o) { |
| return jdiEventSet.contains(o); |
| } |
| |
| /** |
| * Returns an iterator over the elements in this set. The elements are |
| * returned in no particular order (unless this set is an instance of some |
| * class that provides a guarantee). |
| * |
| * @return an iterator over the elements in this set. |
| */ |
| @Override |
| public Iterator<Event> iterator() { |
| return jdiEventSet.iterator(); |
| } |
| |
| /** |
| * Returns an array containing all of the elements in this set. |
| * Obeys the general contract of the <tt>Collection.toArray</tt> method. |
| * |
| * @return an array containing all of the elements in this set. |
| */ |
| @Override |
| public Object[] toArray() { |
| return jdiEventSet.toArray(); |
| } |
| |
| /** |
| * Returns an array containing all of the elements in this set whose |
| * runtime type is that of the specified array. Obeys the general |
| * contract of the <tt>Collection.toArray(Object[])</tt> method. |
| * |
| * @param a the array into which the elements of this set are to |
| * be stored, if it is big enough { |
| return jdiEventSet.XXX(); |
| } otherwise, a new array of the |
| * same runtime type is allocated for this purpose. |
| * @return an array containing the elements of this set. |
| * @throws ArrayStoreException the runtime type of a is not a supertype |
| * of the runtime type of every element in this set. |
| */ |
| @Override |
| public <T> T[] toArray(T a[]) { |
| return jdiEventSet.toArray(a); |
| } |
| |
| // Bulk Operations |
| |
| /** |
| * Returns <tt>true</tt> if this set contains all of the elements of the |
| * specified collection. If the specified collection is also a set, this |
| * method returns <tt>true</tt> if it is a <i>subset</i> of this set. |
| * |
| * @param c collection to be checked for containment in this set. |
| * @return <tt>true</tt> if this set contains all of the elements of the |
| * specified collection. |
| */ |
| @Override |
| public boolean containsAll(Collection<?> c) { |
| return jdiEventSet.containsAll(c); |
| } |
| |
| |
| // Make the rest of Set unmodifiable |
| |
| @Override |
| public boolean add(Event e){ |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public boolean remove(Object o) { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public boolean addAll(Collection<? extends Event> coll) { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public boolean removeAll(Collection<?> coll) { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public boolean retainAll(Collection<?> coll) { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public void clear() { |
| throw new UnsupportedOperationException(); |
| } |
| } |