fix: adds check to cronjob (#570)

* adds check to cronjob

* fixes

---------

Co-authored-by: Rishabh Poddar <[email protected]>

Author: jscyo

src/main/java/io/supertokens/cronjobs/deleteExpiredDashboardSessions/DeleteExpiredDashboardSessions.java

@@ -20,6 +20,7 @@
 import io.supertokens.ResourceDistributor;
 import io.supertokens.cronjobs.CronTask;
 import io.supertokens.cronjobs.CronTaskTest;
+import io.supertokens.pluginInterface.STORAGE_TYPE;
 import io.supertokens.storageLayer.StorageLayer;
 
 public class DeleteExpiredDashboardSessions extends CronTask {
@@ -41,6 +42,9 @@ public static DeleteExpiredDashboardSessions getInstance(Main main){
 
     @Override
     protected void doTask() throws Exception {
+        if (StorageLayer.getStorage(this.main).getType() != STORAGE_TYPE.SQL) {
+            return;
+        }
         StorageLayer.getDashboardStorage(this.main).revokeExpiredSessions();
 
     }