/** This implementation caches the previous results */
@Override
public Optional<ModelCoordinate> suggest(final ProjectCoordinate pc, final String modelType) {
if (!isRunning()) {
log(INFO_SERVICE_NOT_RUNNING);
return absent();
}
Pair<ProjectCoordinate, String> key = Pair.newPair(pc, modelType);
try {
return cache.get(
key,
new Callable<Optional<ModelCoordinate>>() {
@Override
public Optional<ModelCoordinate> call() {
for (String remote : prefs.remotes) {
Pair<File, IModelIndex> pair = openDelegates.get(remote);
if (pair == null) {
continue; // Index not (yet) available; try next remote repository
}
IModelIndex index = pair.getSecond();
Optional<ModelCoordinate> suggest = index.suggest(pc, modelType);
if (suggest.isPresent()) {
return of(createCopyWithRepositoryUrlHint(suggest.get(), remote));
}
}
return absent();
}
});
} catch (ExecutionException e) {
Logs.log(LogMessages.ERROR_FAILED_TO_ACCESS_MODEL_COORDINATES_CACHE, e);
return absent();
}
}
private void openDelegate(String remoteUrl, File indexLocation) throws IOException {
IModelIndex modelIndex = createModelIndex(indexLocation);
modelIndex.open();
storeDelegate(remoteUrl, Pair.newPair(indexLocation, modelIndex));
bus.post(new ModelIndexOpenedEvent());
}