fix: fix hashmap thread unsafe (#299)

Signed-off-by: imp2002 <imp07@qq.com> Signed-off-by: imp2002 <imp07@qq.com>
casbin · Sep 16, 2022 · 9fd266f · 9fd266f
1 parent f43e679
commit 9fd266f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/main/java/org/casbin/jcasbin/util/BuiltInFunctions.java b/src/main/java/org/casbin/jcasbin/util/BuiltInFunctions.java
@@ -345,7 +345,7 @@ public static class GenerateGFunctionClass {
          * @return the function.
          */
         public static AviatorFunction generateGFunction(String name, RoleManager rm) {
-            memorizedMap.put(name, new HashMap<>());
+            memorizedMap.put(name, new ConcurrentHashMap<>());
 
             return new AbstractVariadicFunction() {
                 @Override