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[291346] Improve tracing for AbctractVMProvider

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This commit is contained in:
John Cortell 2009-10-05 13:50:54 +00:00
parent f0ad66391f
commit ad94b7f3a9
1 changed files with 56 additions and 9 deletions
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65
dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/ui/viewmodel/AbstractVMProvider.java
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@ -23,6 +23,8 @@ import org.eclipse.cdt.dsf.concurrent.CountingRequestMonitor;
import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;
import org.eclipse.cdt.dsf.concurrent.IDsfStatusConstants;
import org.eclipse.cdt.dsf.concurrent.RequestMonitor;
import org.eclipse.cdt.dsf.internal.DsfPlugin;
import org.eclipse.cdt.dsf.internal.LoggingUtils;
import org.eclipse.cdt.dsf.internal.ui.DsfUIPlugin;
import org.eclipse.cdt.dsf.ui.concurrent.SimpleDisplayExecutor;
import org.eclipse.cdt.dsf.ui.concurrent.ViewerDataRequestMonitor;
@ -253,6 +255,10 @@ abstract public class AbstractVMProvider implements IVMProvider, IVMEventListene
* @since 1.1
*/
public void handleEvent(final Object event, RequestMonitor rm) {
if (DEBUG_DELTA && (DEBUG_PRESENTATION_ID == null || getPresentationContext().getId().equals(DEBUG_PRESENTATION_ID))) {
trace(event, null, null, EventHandlerAction.received);
}
CountingRequestMonitor crm = new CountingRequestMonitor(getExecutor(), rm);
final List<IVMModelProxy> activeModelProxies= new ArrayList<IVMModelProxy>(getActiveModelProxies());
crm.setDoneCount(activeModelProxies.size());
@ -270,9 +276,6 @@ abstract public class AbstractVMProvider implements IVMProvider, IVMEventListene
// Also, process the event if it is a result of the user modifying something
// so that the cache is properly updated.
if (proxyStrategy.isDeltaEvent(event) || event instanceof UserEditEvent) {
if (DEBUG_DELTA && (DEBUG_PRESENTATION_ID == null || getPresentationContext().getId().equals(DEBUG_PRESENTATION_ID))) {
DsfUIPlugin.debug("eventReceived(proxyRoot = " + proxyStrategy .getRootElement() + ", event = " + event + ")" ); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
}
if (!fProxyEventQueues.containsKey(proxyStrategy)) {
fProxyEventQueues.put(proxyStrategy, new ModelProxyEventQueue());
}
@ -289,7 +292,7 @@ abstract public class AbstractVMProvider implements IVMProvider, IVMEventListene
if (canSkipHandlingEvent(event, eventToSkipInfo.fEvent)) {
if (DEBUG_DELTA && (DEBUG_PRESENTATION_ID == null || getPresentationContext().getId().equals(DEBUG_PRESENTATION_ID))) {
DsfUIPlugin.debug("eventSkipped(proxyRoot = " + proxyStrategy.getRootElement() + ", event = " + eventToSkipInfo + ")" ); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
trace(event, eventToSkipInfo.fEvent, proxyStrategy, EventHandlerAction.skipped);
}
queue.fEventQueue.remove(queue.fEventQueue.size() - 1);
eventToSkipInfo.fClientRm.done();
@ -302,13 +305,13 @@ abstract public class AbstractVMProvider implements IVMProvider, IVMEventListene
// processing
if (queue.fEventQueue.isEmpty() && canSkipHandlingEvent(event, queue.fCurrentEvent.fEvent)) {
if (DEBUG_DELTA && (DEBUG_PRESENTATION_ID == null || getPresentationContext().getId().equals(DEBUG_PRESENTATION_ID))) {
DsfUIPlugin.debug("eventCancelled(proxyRoot = " + proxyStrategy.getRootElement() + ", event = " + queue.fCurrentEvent + ")" ); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
trace(event, queue.fCurrentEvent.fEvent, proxyStrategy, EventHandlerAction.canceled);
}
queue.fCurrentRm.cancel();
}
if (DEBUG_DELTA && (DEBUG_PRESENTATION_ID == null || getPresentationContext().getId().equals(DEBUG_PRESENTATION_ID))) {
DsfUIPlugin.debug("eventQueued(proxyRoot = " + proxyStrategy.getRootElement() + ", event = " + event + ")" ); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
trace(event, null, proxyStrategy, EventHandlerAction.queued);
}
queue.fEventQueue.add(new EventInfo(event, crm));
} else {
@ -370,7 +373,7 @@ abstract public class AbstractVMProvider implements IVMProvider, IVMEventListene
protected void handleEvent(final IVMModelProxy proxyStrategy, final Object event, final RequestMonitor rm) {
if (!proxyStrategy.isDisposed()) {
if (DEBUG_DELTA && (DEBUG_PRESENTATION_ID == null || getPresentationContext().getId().equals(DEBUG_PRESENTATION_ID))) {
DsfUIPlugin.debug("eventProcessing(proxyRoot = " + proxyStrategy.getRootElement() + ", event = " + event + ")" ); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
trace(event, null, proxyStrategy, EventHandlerAction.processing);
}
proxyStrategy.createDelta(
event,
@ -379,7 +382,7 @@ abstract public class AbstractVMProvider implements IVMProvider, IVMEventListene
public void handleSuccess() {
proxyStrategy.fireModelChanged(getData());
if (DEBUG_DELTA && (DEBUG_PRESENTATION_ID == null || getPresentationContext().getId().equals(DEBUG_PRESENTATION_ID))) {
DsfUIPlugin.debug("eventDeltaFired(proxyRoot = " + proxyStrategy.getRootElement() + ", event = " + event + ")" ); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
trace(event, null, proxyStrategy, EventHandlerAction.firedDeltaFor);
}
rm.done();
}
@ -749,5 +752,49 @@ abstract public class AbstractVMProvider implements IVMProvider, IVMEventListene
public void update(IViewerInputUpdate update) {
update.setInputElement(update.getElement());
update.done();
}
}
/**
* Used for tracing event handling
*/
private enum EventHandlerAction {
received,
queued,
processing,
firedDeltaFor,
skipped,
canceled
}
/**
* Trace that we've reached a particular phase of the handling of an event
* for a particular proxy.
*
* @param event
* the event being handled
* @param skippedOrCanceledEvent
* for a 'skip' or 'cancel' action, this is the event that is
* being dismissed. Otherwise null
* @param proxy
* the target proxy; n/a (null) for a 'received' action.
* @param action
* what phased of the event handling has beeb reached
*/
private void trace(Object event, Object skippedOrCanceledEvent, IVMModelProxy proxy, EventHandlerAction action) {
assert DEBUG_DELTA;
StringBuilder str = new StringBuilder();
str.append(DsfPlugin.getDebugTime());
str.append(' ');
if (action == EventHandlerAction.skipped || action == EventHandlerAction.canceled) {
str.append(LoggingUtils.toString(this) + " " + action.toString() + " event " + LoggingUtils.toString(skippedOrCanceledEvent) + " because of event " + LoggingUtils.toString(event)); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
else {
str.append(LoggingUtils.toString(this) + " " + action.toString() + " event " + LoggingUtils.toString(event)); //$NON-NLS-1$ //$NON-NLS-2$
}
if (action != EventHandlerAction.received) {
str.append(" for proxy " + LoggingUtils.toString(proxy) + ", whose root is " + LoggingUtils.toString(proxy.getRootElement())); //$NON-NLS-1$ //$NON-NLS-2$
}
DsfUIPlugin.debug(str.toString());
}
}