private static void logStats(Collection<PsiFile> otherFiles, long start) {
long time = System.currentTimeMillis() - start;
final Multiset<String> stats = HashMultiset.create();
for (PsiFile file : otherFiles) {
stats.add(
StringUtil.notNullize(file.getViewProvider().getVirtualFile().getExtension())
.toLowerCase());
}
List<String> extensions = ContainerUtil.newArrayList(stats.elementSet());
Collections.sort(
extensions,
new Comparator<String>() {
@Override
public int compare(String o1, String o2) {
return stats.count(o2) - stats.count(o1);
}
});
String message =
"Search in "
+ otherFiles.size()
+ " files with unknown types took "
+ time
+ "ms.\n"
+ "Mapping their extensions to an existing file type (e.g. Plain Text) might speed up the search.\n"
+ "Most frequent non-indexed file extensions: ";
for (int i = 0; i < Math.min(10, extensions.size()); i++) {
String extension = extensions.get(i);
message += extension + "(" + stats.count(extension) + ") ";
}
LOG.info(message);
}
private long getCurrentModificationStamp() {
final PsiFile containingFile = getPsiFile();
return containingFile == null ? -1L : containingFile.getViewProvider().getModificationStamp();
}