public void launchLoadDiffInfo(@NotNull final BranchInfo branch) {
if (branch.getForkInfo().getRemoteName() == null) return;
if (branch.getDiffInfoTask() != null) return;
synchronized (branch.LOCK) {
if (branch.getDiffInfoTask() != null) return;
launchFetchRemote(branch.getForkInfo());
MasterFutureTask<Void> masterTask = branch.getForkInfo().getFetchTask();
assert masterTask != null;
final SlaveFutureTask<DiffInfo> task =
new SlaveFutureTask<DiffInfo>(
masterTask,
new Callable<DiffInfo>() {
@Override
public DiffInfo call() throws VcsException {
return doLoadDiffInfo(branch);
}
});
branch.setDiffInfoTask(task);
ApplicationManager.getApplication()
.executeOnPooledThread(
new Runnable() {
@Override
public void run() {
task.run();
}
});
}
}
@Nullable
public DiffInfo getDiffInfo(@NotNull final BranchInfo branch) throws IOException {
if (branch.getForkInfo().getRemoteName() == null) return null;
launchLoadDiffInfo(branch);
assert branch.getDiffInfoTask() != null;
try {
return branch.getDiffInfoTask().get();
} catch (InterruptedException e) {
throw new GithubOperationCanceledException(e);
} catch (ExecutionException e) {
Throwable ex = e.getCause();
if (ex instanceof VcsException) throw new IOException(ex);
LOG.error(ex);
return null;
}
}