xunliu commented on code in PR #8297:
URL: https://github.com/apache/gravitino/pull/8297#discussion_r2308708826
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core/src/main/java/org/apache/gravitino/cache/CaffeineEntityCache.java:
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@@ -78,11 +79,21 @@ public class CaffeineEntityCache extends BaseEntityCache {
private static final Logger LOG =
LoggerFactory.getLogger(CaffeineEntityCache.class.getName());
private final ReentrantLock opLock = new ReentrantLock();
- /** Cache part */
- private final Cache<EntityCacheKey, List<Entity>> cacheData;
+ /** Cache data structure. cacheData[0] = Role1-KEY -> [catalog1, catalog2] */
+ private final Cache<EntityCacheRelationKey, List<Entity>> cacheData;
- /** Index part */
- private RadixTree<EntityCacheKey> cacheIndex;
+ /**
+ * Cache reverse index structure. cacheData[0] = Role1 -> [catalog1,
catalog2] cacheData[1] =
+ * catalog1 -> [tab1, tab2] reverseIndex[0] = catalog1-KEY -> Role1
reverseIndex[1] = catalog2-KEY
+ * -> Role1 reverseIndex[3] = tab1-KEY -> catalog1 reverseIndex[4] =
tab2-KEY -> catalog1
+ */
Review Comment:
I implement these function in the
[core/src/main/java/org/apache/gravitino/cache/ReverseIndexRules.java](https://github.com/apache/gravitino/pull/8297/files/d0ffbcd742189f376e8b82e9bab1b9f5841300e1#diff-c154fd9a0c98634802b70e022b1268e7a77c3260c29908307b9266e968ccf98a)
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