How to use

clearAllCaches

method

in

org.thymeleaf.cache.ICacheManager

/**
 * Clears the cache when a template have been updated.
 */
public synchronized void updatedTemplate() {
  // Synchronized because of the access to engine.
  engine.getCacheManager().clearAllCaches();
}

/**
 * Deletes the given template. The service is unregistered, and the cache is cleared.
 *
 * @param template the template
 */
public void deleteTemplate(ThymeLeafTemplateImplementation template) {
  // 1 - unregister the service
  try {
    ServiceRegistration reg = registrations.remove(template);
    if (reg != null) {
      reg.unregister();
    }
  } catch (Exception e) { //NOSONAR
    // May already have been unregistered during the shutdown sequence.
  }
  // 2 - as templates can have dependencies, and expressions kept in memory, we clear all caches.
  // Despite this may really impact performance, it should not happen too often on real systems.
  synchronized (this) {
    engine.getCacheManager().clearAllCaches();
  }
  OgnlRuntime.clearCache();
  // Unfortunately, the previous method do not clear the get and set method cache
  // (ognl.OgnlRuntime.cacheGetMethod and ognl.OgnlRuntime.cacheSetMethod)
  clearMethodCaches();
}