To use this Session session =
resourceResolver.adaptTo(Session.class);need resourceResolver object
which can get it via ResourceResolverFactory , below source code to get
resource resolver , need to pass param object which will have system
user.resourcerResolver =
resourceResolverFactory.getServiceResourceResolver(param); Session
session = resourcerResolver.adaptTo(Session.class);session.getUserID();
// this give system user idbelow code getAdministrativeResourceResolver
method to get resourceRe...