@NotNull
public static Collection<VcsDirectoryMapping> findRoots(
@NotNull VirtualFile rootDir, @NotNull Project project) throws IllegalArgumentException {
if (!rootDir.isDirectory()) {
throw new IllegalArgumentException(
"Can't find VCS at the target file system path. Reason: expected to find a directory there but it's not. The path: "
+ rootDir.getParent());
}
Collection<VcsRoot> roots =
ServiceManager.getService(project, VcsRootDetector.class).detect(rootDir);
Collection<VcsDirectoryMapping> result = ContainerUtilRt.newArrayList();
for (VcsRoot vcsRoot : roots) {
VirtualFile vFile = vcsRoot.getPath();
AbstractVcs rootVcs = vcsRoot.getVcs();
if (rootVcs != null && vFile != null) {
result.add(new VcsDirectoryMapping(vFile.getPath(), rootVcs.getName()));
}
}
return result;
}
public boolean updateStep() {
final MultiMap<VcsRoot, String> dirty = new MultiMap<VcsRoot, String>();
final long oldPoint =
System.currentTimeMillis()
- (myVcsConfiguration.CHANGED_ON_SERVER_INTERVAL > 0
? myVcsConfiguration.CHANGED_ON_SERVER_INTERVAL * 60000
: DISCRETE);
synchronized (myLock) {
// just copies myQueries MultiMap to dirty MultiMap
for (VcsRoot root : myQueries.keySet()) {
final Collection<String> collection = myQueries.get(root);
for (String s : collection) {
dirty.putValue(root, s);
}
}
myQueries.clear();
// collect roots for which cache update should be performed (by timestamp)
final Set<VcsRoot> roots = new HashSet<VcsRoot>();
for (Map.Entry<VcsRoot, Long> entry : myTs.entrySet()) {
// ignore timestamp, as still remote changes checking is required
// TODO: why not to add in roots anyway??? - as dirty is still checked when adding myChanged
// files.
if (!dirty.get(entry.getKey()).isEmpty()) continue;
// update only if timeout expired
final Long ts = entry.getValue();
if ((ts == null) || (oldPoint > ts)) {
roots.add(entry.getKey());
}
}
// Add dirty files from those vcs roots, that
// - needs to be update by timestamp criteria
// - that already contain files for update through manually added requests
for (Map.Entry<String, Pair<Boolean, VcsRoot>> entry : myChanged.entrySet()) {
final VcsRoot vcsRoot = entry.getValue().getSecond();
if ((!dirty.get(vcsRoot).isEmpty()) || roots.contains(vcsRoot)) {
dirty.putValue(vcsRoot, entry.getKey());
}
}
}
if (dirty.isEmpty()) return false;
final Map<String, Pair<Boolean, VcsRoot>> results =
new HashMap<String, Pair<Boolean, VcsRoot>>();
for (VcsRoot vcsRoot : dirty.keySet()) {
// todo - actually it means nothing since the only known VCS to use this scheme is Git and now
// it always allow
// todo - background operations. when it changes, develop more flexible behavior here
if (!vcsRoot.getVcs().isVcsBackgroundOperationsAllowed(vcsRoot.getPath())) continue;
final TreeDiffProvider provider = vcsRoot.getVcs().getTreeDiffProvider();
if (provider == null) continue;
final Collection<String> paths = dirty.get(vcsRoot);
final Collection<String> remotelyChanged =
provider.getRemotelyChanged(vcsRoot.getPath(), paths);
for (String path : paths) {
// TODO: Contains invoked for each file - better to use Set (implementations just use List)
// TODO: Why to store boolean for changed or not - why not just remove such values from
// myChanged???
results.put(path, new Pair<Boolean, VcsRoot>(remotelyChanged.contains(path), vcsRoot));
}
}
final long curTime = System.currentTimeMillis();
synchronized (myLock) {
myChanged.putAll(results);
for (VcsRoot vcsRoot : dirty.keySet()) {
myTs.put(vcsRoot, curTime);
}
}
return true;
}