package org.eclipse.jdi.internal.event; | |
/* | |
* (c) Copyright IBM Corp. 2000, 2001. | |
* All Rights Reserved. | |
*/ | |
import com.sun.jdi.*; | |
import com.sun.jdi.event.*; | |
import com.sun.jdi.connect.*; | |
import com.sun.jdi.request.*; | |
import org.eclipse.jdi.internal.*; | |
import org.eclipse.jdi.internal.request.*; | |
import java.io.*; | |
import java.util.*; | |
/** | |
* this class implements the corresponding interfaces | |
* declared by the JDI specification. See the com.sun.jdi package | |
* for more information. | |
* | |
*/ | |
public class EventSetImpl extends MirrorImpl implements EventSet { | |
/** Set that is used to store events. */ | |
private ArrayList fEvents; | |
/** Which threads were suspended by this composite event. */ | |
private byte fSuspendPolicy; | |
/** | |
* Creates new EventSetImpl. | |
*/ | |
private EventSetImpl(VirtualMachineImpl vmImpl) { | |
super("EventSet", vmImpl); | |
} | |
/** | |
* Creates new EventSetImpl with events in a given array. | |
*/ | |
public EventSetImpl(VirtualMachineImpl vmImpl, EventImpl[] events) { | |
this(vmImpl); | |
fEvents = new ArrayList(events.length); | |
for (int i = 0; i < events.length; i++) | |
fEvents.add(events[i]); | |
} | |
/** | |
* Creates new EventSetImpl with given event. | |
*/ | |
public EventSetImpl(VirtualMachineImpl vmImpl, EventImpl event) { | |
this(vmImpl); | |
fEvents = new ArrayList(1); | |
fEvents.add(event); | |
} | |
/** | |
* @return Returns iterator over events. | |
*/ | |
public EventIterator eventIterator() { | |
return new EventIteratorImpl(fEvents.listIterator()); | |
} | |
/** | |
* @return Returns which threads were suspended by this composite event. | |
*/ | |
public int suspendPolicy() { | |
switch(fSuspendPolicy) { | |
case EventRequestImpl.SUSPENDPOL_NONE_JDWP: | |
return EventRequest.SUSPEND_NONE; | |
case EventRequestImpl.SUSPENDPOL_EVENT_THREAD_JDWP: | |
return EventRequest.SUSPEND_EVENT_THREAD; | |
case EventRequestImpl.SUSPENDPOL_ALL_JDWP: | |
return EventRequest.SUSPEND_ALL; | |
default: | |
throw new InternalException("Invalid suspend policy encountered: " + fSuspendPolicy); | |
} | |
} | |
/** | |
* Resumes threads that were suspended by this event set. | |
*/ | |
public void resume() { | |
switch(fSuspendPolicy) { | |
case EventRequestImpl.SUSPENDPOL_NONE_JDWP: | |
break; | |
case EventRequestImpl.SUSPENDPOL_EVENT_THREAD_JDWP: | |
resumeThreads(); | |
break; | |
case EventRequestImpl.SUSPENDPOL_ALL_JDWP: | |
virtualMachineImpl().resume(); | |
break; | |
default: | |
throw new InternalException("Invalid suspend policy encountered: " + fSuspendPolicy); | |
} | |
} | |
/** | |
* Resumes threads that were suspended by this event set. | |
*/ | |
private void resumeThreads() { | |
Iterator iter = fEvents.iterator(); | |
while (iter.hasNext()) { | |
EventImpl event = (EventImpl)iter.next(); | |
if (event.thread() != null) { | |
event.thread().resume(); | |
} | |
} | |
} | |
/** | |
* @return Returns EventSetImpl that was read from InputStream. | |
*/ | |
public static EventSetImpl read(MirrorImpl target, DataInputStream in) throws IOException { | |
VirtualMachineImpl vmImpl = target.virtualMachineImpl(); | |
EventSetImpl eventSet = new EventSetImpl(vmImpl); | |
// Read suspend policy. | |
eventSet.fSuspendPolicy = target.readByte("suspendPolicy", EventRequestImpl.suspendPolicyMap(), in); | |
// Read size. | |
int size = target.readInt("size", in); | |
// Create event list. | |
eventSet.fEvents = new ArrayList(size); | |
while (size-- > 0) { | |
EventImpl event = EventImpl.read(target, in); | |
// If event == null than it is an event that must not be given to the application. | |
// See ClassPrepareEvent. | |
if (event == null) | |
continue; | |
EventRequestImpl request = (EventRequestImpl)event.request(); | |
// Check if the request corresponding to the event was not generated from inside this JDI implementation. | |
if (request == null || !request.isGeneratedInside()) | |
eventSet.fEvents.add(event); | |
} | |
return eventSet; | |
} | |
/** | |
* @see java.util.Collection | |
*/ | |
public boolean contains(Object event) { | |
return fEvents.contains(event); | |
} | |
/** | |
* @see java.util.Collection | |
*/ | |
public boolean containsAll(Collection events) { | |
return fEvents.containsAll(events); | |
} | |
/** | |
* @see java.util.Collection | |
*/ | |
public boolean equals(Object object) { | |
return object != null && object.getClass().equals(this.getClass()) && fEvents.equals(((EventSetImpl)object).fEvents); | |
} | |
/** | |
* @see java.util.Collection | |
*/ | |
public int hashCode() { | |
return fEvents.hashCode(); | |
} | |
/** | |
* @see java.util.Collection | |
*/ | |
public boolean isEmpty() { | |
return fEvents.isEmpty(); | |
} | |
/** | |
* @see java.util.Collection#iterator() | |
*/ | |
public Iterator iterator() { | |
return fEvents.iterator(); | |
} | |
/** | |
* @see java.util.Collection#size() | |
*/ | |
public int size() { | |
return fEvents.size(); | |
} | |
/** | |
* @see java.util.Collection#toArray() | |
*/ | |
public Object toArray()[] { | |
return fEvents.toArray(); | |
} | |
/** | |
* @see java.util.Collection#toArray(Object[]) | |
*/ | |
public Object[] toArray(Object[] events) { | |
return fEvents.toArray(events); | |
} | |
/** | |
* @see java.util.Collection#add(Object). | |
* @exception UnsupportedOperationException always thrown since EventSets are unmodifiable. | |
*/ | |
public boolean add(Object arg1) { | |
throw new UnsupportedOperationException("EventSets are unmodifiable"); | |
} | |
/** | |
* @see java.util.Collection#addAll(Collection) | |
* @exception UnsupportedOperationException always thrown since EventSets are unmodifiable. | |
*/ | |
public boolean addAll(Collection arg1) { | |
throw new UnsupportedOperationException("EventSets are unmodifiable"); | |
} | |
/** | |
* @see java.util.Collection#clear() | |
* @exception UnsupportedOperationException always thrown since EventSets are unmodifiable. | |
*/ | |
public void clear() { | |
throw new UnsupportedOperationException("EventSets are unmodifiable"); | |
} | |
/** | |
* @see java.util.Collection#remove(Object) | |
* @exception UnsupportedOperationException always thrown since EventSets are unmodifiable. | |
*/ | |
public boolean remove(Object arg1) { | |
throw new UnsupportedOperationException("EventSets are unmodifiable"); | |
} | |
/** | |
* @see java.util.Collection#removeAll(Collection) | |
* @exception UnsupportedOperationException always thrown since EventSets are unmodifiable. | |
*/ | |
public boolean removeAll(Collection arg1) { | |
throw new UnsupportedOperationException("EventSets are unmodifiable"); | |
} | |
/** | |
* @see java.util.Collection#retainAll(Collection) | |
* @exception UnsupportedOperationException always thrown since EventSets are unmodifiable. | |
*/ | |
public boolean retainAll(Collection arg1) { | |
throw new UnsupportedOperationException("EventSets are unmodifiable"); | |
} | |
} |