private <T> MultiMap<SModel, T> findCandidates(
Collection<SModel> models,
Set<T> elems,
Consumer<SModel> processedModels,
Function<T, UsageEntry> id) {
// get all files in scope
final ManyToManyMap<SModel, VirtualFile> scopeFiles = new ManyToManyMap<SModel, VirtualFile>();
for (final SModel sm : models) {
if (sm instanceof EditableSModel && ((EditableSModel) sm).isChanged()) {
continue;
}
DataSource source = sm.getSource();
// these are data sources this participant knows about
if (!(source instanceof FileDataSource || source instanceof FilePerRootDataSource)) {
continue;
}
/*
This is a tmp fix for MPS-24151. See the issue to learn about the correct fix
*/
if (!(sm instanceof DefaultSModelDescriptor)) {
continue;
}
Collection<IFile> modelFiles = getDataSourceFiles(source);
for (IFile modelFile : modelFiles) {
String ext = FileUtil.getExtension(modelFile.getName());
if (ext == null || modelFile.isDirectory()) {
continue;
}
VirtualFile vf = VirtualFileUtils.getOrCreateVirtualFile(modelFile);
if (vf == null) {
LogManager.getLogger(MPSModelsFastFindSupport.class)
.warn(
String.format(
"Model %s: virtual file not found for model file. Model file: %s",
sm.getName(), modelFile.getPath()));
continue;
}
processedModels.consume(sm);
scopeFiles.addLink(sm, vf);
}
}
// filter files with usages
ConcreteFilesGlobalSearchScope allFiles =
new ConcreteFilesGlobalSearchScope(scopeFiles.getSecond());
// process indexes
MultiMap<SModel, T> result = new SetBasedMultiMap<SModel, T>();
for (T elem : elems) {
UsageEntry entry = id.apply(elem);
Collection<VirtualFile> matchingFiles;
try {
matchingFiles = MPSModelsIndexer.getContainingFiles(entry, allFiles);
} catch (ProcessCanceledException ce) {
matchingFiles = Collections.emptyList();
}
// back-transform
for (VirtualFile file : matchingFiles) {
for (SModel m : scopeFiles.getBySecond(file)) {
result.putValue(m, elem);
}
}
}
return result;
}
public Set<T> getDependOn(SNode n) {
return myObjectsToNodes.getBySecond(n);
}