gautamworah96 commented on a change in pull request #2247:
URL: https://github.com/apache/lucene-solr/pull/2247#discussion_r566988968
##########
File path:
lucene/facet/src/java/org/apache/lucene/facet/taxonomy/directory/DirectoryTaxonomyReader.java
##########
@@ -353,12 +349,65 @@ public FacetLabel getPath(int ordinal) throws IOException
{
}
synchronized (categoryCache) {
- categoryCache.put(catIDInteger, ret);
+ categoryCache.put(ordinal, ret);
}
return ret;
}
+ private FacetLabel getPathFromCache(int ordinal) {
+ ensureOpen();
+
+ // TODO: can we use an int-based hash impl, such as IntToObjectMap,
+ // wrapped as LRU?
+ synchronized (categoryCache) {
+ FacetLabel res = categoryCache.get(ordinal);
+ if (res != null) {
+ return res;
+ }
+ }
+ return null;
+ }
+
+ /* This API is only supported for indexes created with Lucene 8.7+ codec **/
+ public FacetLabel[] getBulkPath(int[] ordinal) throws IOException {
+ FacetLabel[] bulkPath = new FacetLabel[ordinal.length];
+ Map<Integer, Integer> originalPosition = new HashMap<>();
+ for (int i = 0; i < ordinal.length; i++) {
+ if (ordinal[i] < 0 || ordinal[i] >= indexReader.maxDoc()) {
+ return null;
+ }
+ FacetLabel ordinalPath = getPathFromCache(ordinal[i]);
+ if (ordinalPath != null) {
+ bulkPath[i] = ordinalPath;
+ }
+ originalPosition.put(ordinal[i], i);
+ }
+
+ Arrays.sort(ordinal);
+ int readerIndex = 0;
+ BinaryDocValues values = null;
+
+ for (int ord : ordinal) {
+ if (bulkPath[originalPosition.get(ord)] == null) {
+ if (values == null
+ || values.advanceExact(ord -
indexReader.leaves().get(readerIndex).docBase) == false) {
+ readerIndex = ReaderUtil.subIndex(ord, indexReader.leaves());
+ LeafReader leafReader =
indexReader.leaves().get(readerIndex).reader();
+ values = leafReader.getBinaryDocValues(Consts.FULL);
+ assert values.advanceExact(ord -
indexReader.leaves().get(readerIndex).docBase);
Review comment:
Thanks for catching this. Fixed it in the new commit
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