From 4b693e26e495d2311374dd61e56419628dff6331 Mon Sep 17 00:00:00 2001
From: Alex Li <github@alexv525.com>
Date: Thu, 14 Jul 2022 17:28:47 +0800
Subject: [PATCH] =?UTF-8?q?=E2=9A=A1=EF=B8=8F=20[iOS]=20Improve=20cache=20?=
 =?UTF-8?q?container=20mutations=20(#803)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 CHANGELOG.md                        | 1 +
 ios/Classes/core/PMCacheContainer.m | 8 ++++++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 29275bba..7d17dfd5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ that can be found in the LICENSE file. -->
 ### Improvements
 
 - Improve `MD5Utils` on iOS. (#802)
+- Improve cache container mutations on iOS. (#803)
 
 ### Fixes
 
diff --git a/ios/Classes/core/PMCacheContainer.m b/ios/Classes/core/PMCacheContainer.m
index d33ff697..1d9d413c 100644
--- a/ios/Classes/core/PMCacheContainer.m
+++ b/ios/Classes/core/PMCacheContainer.m
@@ -16,7 +16,9 @@ - (instancetype)init {
 }
 
 - (void)putAssetEntity:(PMAssetEntity *)entity {
-    map[entity.id] = entity;
+    @synchronized (map) {
+        self->map[entity.id] = entity;
+    }
 }
 
 - (PMAssetEntity *)getAssetEntity:(NSString *)id {
@@ -24,7 +26,9 @@ - (PMAssetEntity *)getAssetEntity:(NSString *)id {
 }
 
 - (void)clearCache {
-    [map removeAllObjects];
+    @synchronized (map) {
+        [self->map removeAllObjects];
+    }
 }
 
 @end