fix: change the event type that SqlSessionFactory is listening to

Author: SkyAndCode

src/main/java/org/mybatis/spring/SqlSessionFactoryBean.java

@@ -87,7 +87,7 @@
  * @see #setDataSource
  */
 public class SqlSessionFactoryBean
-    implements FactoryBean<SqlSessionFactory>, InitializingBean, ApplicationListener<ApplicationEvent> {
+    implements FactoryBean<SqlSessionFactory>, InitializingBean, ApplicationListener<ContextRefreshedEvent> {
 
   private static final Logger LOGGER = LoggerFactory.getLogger(SqlSessionFactoryBean.class);
 
@@ -658,8 +658,8 @@ public boolean isSingleton() {
    * {@inheritDoc}
    */
   @Override
-  public void onApplicationEvent(ApplicationEvent event) {
-    if (failFast && event instanceof ContextRefreshedEvent) {
+  public void onApplicationEvent(ContextRefreshedEvent event) {
+    if (failFast) {
       // fail-fast -> check all statements are completed
       this.sqlSessionFactory.getConfiguration().getMappedStatementNames();
     }