Add index caching

unidev-polydata · Apr 23, 2023 · 0b136cb · 0b136cb
1 parent dc47e08
commit 0b136cb
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/polydata-mongodb/src/main/java/com/unidev/polydata4/mongodb/PolydataMongodb.java b/polydata-mongodb/src/main/java/com/unidev/polydata4/mongodb/PolydataMongodb.java
@@ -106,12 +106,20 @@ public Optional<BasicPoly> index(String poly) {
         if (!exists(poly)) {
             return Optional.empty();
         }
+        BasicPoly cachedResult = ifCache(cache -> {
+            String key = poly + "-index";
+            return cache.get(key);
+        });
+        if (cachedResult != null) {
+            return Optional.of(cachedResult);
+        }
         BasicPoly index = new BasicPoly();
         MongoCollection<Document> collection = indexCollection(poly);
         for (Document document : collection.find()) {
             BasicPoly value = toPoly(document);
             index.put(value._id(), value);
         }
+        putIfCache(poly + "-index", index);
         return Optional.of(index);
     }