* @return the authorization roles for the method. {@link AuthorizeInvocation}
*/
private Roles loadRoles()
{
AuthorizeInvocation authorizeInvocation = method.getAnnotation(AuthorizeInvocation.class);
Roles roles = new Roles();
if (authorizeInvocation != null)
{
roles = new Roles(authorizeInvocation.value());
}
return roles;
}