Renamed failback to ignore_unmatched

Signed-off-by: dpj135 <958208521@qq.com>

Author: dpj135

transfer_queue/storage/clients/yuanrong_client.py

@@ -585,7 +585,7 @@ def clear(self, keys: list[str], custom_backend_meta=None):
 
         strategy_tags = custom_backend_meta
         routed_indexes = self._route_to_strategies(
-            strategy_tags, lambda strategy_, item_: strategy_.supports_clear(item_), failback=True
+            strategy_tags, lambda strategy_, item_: strategy_.supports_clear(item_), ignore_unmatched=True
         )
 
         def clear_task(strategy, indexes):
@@ -598,7 +598,7 @@ def _route_to_strategies(
         self,
         items: list[Any],
         selector: Callable[[StorageStrategy, Any], bool],
-        failback: bool = False,
+        ignore_unmatched: bool = False,
     ) -> dict[StorageStrategy, list[int]]:
         """Groups item indices by the first strategy that supports them.
 
@@ -618,18 +618,24 @@ def _route_to_strategies(
             A dictionary mapping each active strategy to a list of indexes in `items`
             that it should handle. Every index appears exactly once.
         """
+        unmatched_count = 0
         routed_indexes: dict[StorageStrategy, list[int]] = {s: [] for s in self._strategies}
         for i, item in enumerate(items):
             for strategy in self._strategies:
                 if selector(strategy, item):
                     routed_indexes[strategy].append(i)
                     break
             else:
-                if not failback:
+                if ignore_unmatched:
+                    unmatched_count += 1
+                else:
                     raise ValueError(
                         f"No strategy supports item of type {type(item).__name__}: {item}. "
                         f"Available strategies: {[type(s).__name__ for s in self._strategies]}"
                     )
+        if unmatched_count > 0:
+            logger.warning(f"{unmatched_count} items were not matched to any strategy and will be ignored.")
+
         return routed_indexes
 
     @staticmethod