From e3fc7112bc3b449ffdcc5d3d62a4ef2ea07fc43e Mon Sep 17 00:00:00 2001
From: Cong Chen <cong.chen@ocrlabs.com>
Date: Thu, 29 Jun 2023 11:46:47 +0800
Subject: [PATCH] use `RoaringBitmap::is_empty` instead

---
 index-scheduler/src/lib.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/index-scheduler/src/lib.rs b/index-scheduler/src/lib.rs
index c1b2deb27..fc017395e 100644
--- a/index-scheduler/src/lib.rs
+++ b/index-scheduler/src/lib.rs
@@ -796,8 +796,7 @@ impl IndexScheduler {
 
     // Return true if there is at least one task that is processing.
     pub fn is_task_processing(&self) -> Result<bool> {
-        let processing_tasks = self.processing_tasks.read().unwrap().processing.len();
-        Ok(processing_tasks > 0)
+        Ok(self.processing_tasks.read().unwrap().processing.is_empty())
     }
 
     /// Return true iff there is at least one task associated with this index