Bug 100443 [open type] Open type dialog doesn't show compress JDK information anymore
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/dialogs/TypeInfoViewer.java
if (monitor.isCanceled())
					throw new OperationCanceledException();
			}
		}
		private void internalRunVirtual(ProgressMonitor monitor) throws CoreException, InterruptedException {
			if (monitor.isCanceled())
				throw new OperationCanceledException();
			
			fViewer.clear(fTicket);
			TypeInfo[] matchingTypes= fHistory.getFilteredTypeInfos(fFilter);
			fViewer.setHistoryResult(fTicket, matchingTypes);
			if ((fMode & INDEX) == 0)
				return;
				
			TypeInfo[] result= getSearchResult(new HashSet(Arrays.asList(matchingTypes)), monitor);
			if (monitor.isCanceled())
				throw new OperationCanceledException();
			
			fViewer.setSearchResult(fTicket, result);
		}
		private IStatus canceled(Exception e, boolean removePendingItems) {
			fViewer.searchJobCanceled(fTicket, removePendingItems);
			return new Status(IStatus.CANCEL, JavaPlugin.getPluginId(), IStatus.CANCEL, JavaUIMessages.TypeInfoViewer_job_cancel, e);
		}
		private IStatus ok() {
			return new Status(IStatus.OK, JavaPlugin.getPluginId(), IStatus.OK, "", null); 
		}
	}
	
	private static class SearchEngineJob extends AbstractSearchJob {