refactoring

redisson-mybatis/src/main/java/org/redisson/mybatis/RedissonCache.java

@@ -105,12 +105,16 @@ public class RedissonCache implements Cache {
         }
 
         RedissonClient redisson = Redisson.create(cfg);
-        mapCache = redisson.getMapCache(id);
+        mapCache = getMapCache(redisson);
         if (maxSize > 0) {
             mapCache.setMaxSize(maxSize);
         }
     }
 
+    protected RMapCache<Object, Object> getMapCache(RedissonClient redisson) {
+        return redisson.getMapCache(id);
+    }
+
     private void check() {
         if (mapCache == null) {
             throw new IllegalStateException("Redisson config is not defined");