@Nullable
private T getFromCache(@NotNull Integer commitId) {
T details = myCache.get(commitId);
if (details != null) {
if (details instanceof LoadingDetails) {
if (((LoadingDetails) details).getLoadingTaskIndex()
<= myCurrentTaskIndex - MAX_LOADING_TASKS) {
// don't let old "loading" requests stay in the cache forever
myCache.remove(commitId);
return null;
}
}
return details;
}
return getFromAdditionalCache(commitId);
}
@Override
@NotNull
public T getCommitData(@NotNull Integer hash, @NotNull Iterable<Integer> neighbourHashes) {
assert EventQueue.isDispatchThread();
T details = getFromCache(hash);
if (details != null) {
return details;
}
runLoadCommitsData(neighbourHashes);
T result = myCache.get(hash);
assert result
!= null; // now it is in the cache as "Loading Details" (runLoadCommitsData puts it there)
return result;
}
