@SuppressWarnings("unchecked")
public static Predicate[] deviceListPredicates(
CriteriaBuilder cb,
Root<Device> from,
Optional<String> name,
Optional<String> namePattern,
Optional<String> status,
Optional<Long> networkId,
Optional<String> networkName,
Optional<Long> deviceClassId,
Optional<String> deviceClassName,
Optional<String> deviceClassVersion,
Optional<HivePrincipal> principal) {
final List<Predicate> predicates = new LinkedList<>();
name.ifPresent(n -> predicates.add(cb.equal(from.<String>get("name"), n)));
namePattern.ifPresent(np -> predicates.add(cb.like(from.<String>get("name"), np)));
status.ifPresent(s -> predicates.add(cb.equal(from.<String>get("status"), s)));
final Join<Device, Network> networkJoin = (Join) from.fetch("network", JoinType.LEFT);
networkId.ifPresent(nId -> predicates.add(cb.equal(networkJoin.<Long>get("id"), nId)));
networkName.ifPresent(
nName -> predicates.add(cb.equal(networkJoin.<String>get("name"), nName)));
final Join<Device, DeviceClass> dcJoin = (Join) from.fetch("deviceClass", JoinType.LEFT);
deviceClassId.ifPresent(dcId -> predicates.add(cb.equal(dcJoin.<Long>get("id"), dcId)));
deviceClassName.ifPresent(
dcName -> predicates.add(cb.equal(dcJoin.<String>get("name"), dcName)));
deviceClassVersion.ifPresent(
dcVersion -> predicates.add(cb.equal(dcJoin.<String>get("version"), dcVersion)));
predicates.addAll(deviceSpecificPrincipalPredicates(cb, from, principal));
return predicates.toArray(new Predicate[predicates.size()]);
}
@SuppressWarnings("unchecked")
private static List<Predicate> deviceSpecificPrincipalPredicates(
CriteriaBuilder cb, Root<Device> from, Optional<HivePrincipal> principal) {
final List<Predicate> predicates = new LinkedList<>();
final Join<Device, Network> networkJoin = (Join) from.fetch("network", JoinType.LEFT);
final Join<Device, Network> usersJoin = (Join) networkJoin.fetch("users", JoinType.LEFT);
from.fetch("deviceClass", JoinType.LEFT); // need this fetch to populate deviceClass
principal.ifPresent(
p -> {
User user = p.getUser();
if (user == null && p.getKey() != null) {
user = p.getKey().getUser();
}
if (user != null && !user.isAdmin()) {
predicates.add(cb.equal(usersJoin.<Long>get("id"), user.getId()));
}
if (p.getDevice() != null) {
predicates.add(cb.equal(from.<Long>get("id"), p.getDevice().getId()));
}
if (p.getKey() != null) {
for (AccessKeyBasedFilterForDevices extraFilter :
AccessKeyBasedFilterForDevices.createExtraFilters(p.getKey().getPermissions())) {
if (extraFilter.getDeviceGuids() != null) {
predicates.add(from.<String>get("guid").in(extraFilter.getDeviceGuids()));
}
if (extraFilter.getNetworkIds() != null) {
predicates.add(networkJoin.<Long>get("id").in(extraFilter.getNetworkIds()));
}
}
}
});
return predicates;
}
public static Predicate[] accessKeyListPredicates(
CriteriaBuilder cb,
Root<AccessKey> from,
Long userId,
Optional<String> labelOpt,
Optional<String> labelPatten,
Optional<Integer> typeOpt) {
List<Predicate> predicates = new LinkedList<>();
Join user = (Join) from.fetch("user", JoinType.LEFT);
predicates.add(cb.equal(user.get("id"), userId));
if (labelPatten.isPresent()) {
labelPatten.ifPresent(pattern -> predicates.add(cb.like(from.get("label"), pattern)));
} else {
labelOpt.ifPresent(label -> predicates.add(cb.equal(from.get("label"), label)));
}
typeOpt.ifPresent(type -> predicates.add(cb.equal(from.get("type"), type)));
return predicates.toArray(new Predicate[predicates.size()]);
}