rdblue commented on a change in pull request #3801:
URL: https://github.com/apache/iceberg/pull/3801#discussion_r774756168
##########
File path: core/src/main/java/org/apache/iceberg/CachingCatalog.java
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@@ -86,33 +86,32 @@ protected CachingCatalog(Catalog catalog, boolean
caseSensitive, long expiration
}
/**
- * CacheWriter class for removing metadata tables when their associated data
table is expired
+ * RemovalListener class for removing metadata tables when their associated
data table is expired
* via cache expiration.
+ *
+ * @see com.github.benmanes.caffeine.cache.RemovalListener
*/
- class MetadataTableInvalidatingCacheWriter implements
CacheWriter<TableIdentifier, Table> {
+ class MetadataTableInvalidatingRemovalListener implements
RemovalListener<TableIdentifier, Table> {
@Override
- public void write(TableIdentifier tableIdentifier, Table table) {
- }
-
- @Override
- public void delete(TableIdentifier tableIdentifier, Table table,
RemovalCause cause) {
+ public void onRemoval(TableIdentifier tableIdentifier, Table table,
@NonNull RemovalCause cause) {
+ identLoggingRemovalListener.onRemoval(tableIdentifier, table, cause);
if (RemovalCause.EXPIRED.equals(cause)) {
- if (!MetadataTableUtils.hasMetadataTableName(tableIdentifier)) {
+ if (tableIdentifier != null &&
!MetadataTableUtils.hasMetadataTableName(tableIdentifier)) {
Review comment:
Why would `tableIdentifier` be null?
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