public static Specification<User> idEqual(final Long id) {
		return (Specification<User>) (root, query, cb) -> cb.equal(root.get("id"), id);
	}
Get the {@link Specification} checking if the {@link User} has the given ID.

@param id User id
@return {@link Specification}
ngrinder-controller/src/main/java/org/ngrinder/user/repository/UserSpecification.java