@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()]);
}
/**
* Adds ORDER BY ... ASC/DESC to query Mutates provided criteria query
*
* @param sortFieldOpt - field to sort by (field name in JPA Entity class)
* @param asc - true if order should be ASC, false otherwise
*/
public static void order(
CriteriaBuilder cb,
CriteriaQuery<?> cq,
Root<?> from,
Optional<String> sortFieldOpt,
boolean asc) {
sortFieldOpt.ifPresent(
sortField -> {
Order order = asc ? cb.asc(from.get(sortField)) : cb.desc(from.get(sortField));
cq.orderBy(order);
});
}
public static Predicate[] deviceClassListPredicates(
CriteriaBuilder cb,
Root<DeviceClass> from,
Optional<String> name,
Optional<String> namePattern,
Optional<String> version) {
final List<Predicate> predicates = new LinkedList<>();
if (namePattern.isPresent()) {
namePattern.ifPresent(np -> predicates.add(cb.like(from.get("name"), np)));
} else {
name.ifPresent(n -> predicates.add(cb.equal(from.get("name"), n)));
}
version.ifPresent(v -> predicates.add(cb.equal(from.get(DeviceClass.VERSION_COLUMN), v)));
return predicates.toArray(new Predicate[predicates.size()]);
}
public static Predicate[] oAuthClientListPredicates(
CriteriaBuilder cb,
Root<OAuthClient> from,
Optional<String> nameOpt,
Optional<String> namePattern,
Optional<String> domainOpt,
Optional<String> oauthIdOpt) {
List<Predicate> predicates = new LinkedList<>();
if (namePattern.isPresent()) {
namePattern.ifPresent(pattern -> predicates.add(cb.like(from.get("name"), pattern)));
} else {
nameOpt.ifPresent(name -> predicates.add(cb.equal(from.get("name"), name)));
}
domainOpt.ifPresent(domain -> predicates.add(cb.equal(from.get("domain"), domain)));
oauthIdOpt.ifPresent(id -> predicates.add(cb.equal(from.get("oauthId"), id)));
return predicates.toArray(new Predicate[predicates.size()]);
}
public static Predicate[] userListPredicates(
CriteriaBuilder cb,
Root<User> from,
Optional<String> loginOpt,
Optional<String> loginPattern,
Optional<Integer> roleOpt,
Optional<Integer> statusOpt) {
List<Predicate> predicates = new LinkedList<>();
if (loginPattern.isPresent()) {
loginPattern.ifPresent(pattern -> predicates.add(cb.like(from.get("login"), pattern)));
} else {
loginOpt.ifPresent(login -> predicates.add(cb.equal(from.get("login"), login)));
}
roleOpt.ifPresent(role -> predicates.add(cb.equal(from.get("role"), role)));
statusOpt.ifPresent(status -> predicates.add(cb.equal(from.get("status"), status)));
return predicates.toArray(new Predicate[predicates.size()]);
}
public static Predicate[] deviceListPredicates(
CriteriaBuilder cb,
Root<Device> from,
List<String> guids,
Optional<HivePrincipal> principal) {
final List<Predicate> predicates = deviceSpecificPrincipalPredicates(cb, from, principal);
if (guids != null && !guids.isEmpty()) {
predicates.add(from.get(GUID).in(guids));
}
return predicates.toArray(new Predicate[predicates.size()]);
}
public static Predicate[] networkPermissionsPredicates(
CriteriaBuilder cb, Root<?> from, Set<AccessKeyPermission> permissions) {
List<Predicate> predicates = new ArrayList<>();
for (AccessKeyBasedFilterForDevices extraFilter :
AccessKeyBasedFilterForDevices.createExtraFilters(permissions)) {
List<Predicate> filter = new ArrayList<>();
if (extraFilter.getNetworkIds() != null) {
filter.add(from.get("id").in(extraFilter.getNetworkIds()));
}
predicates.add(cb.and(filter.toArray(new Predicate[filter.size()])));
}
return predicates.toArray(new Predicate[predicates.size()]);
}
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()]);
}
/**
* Creates an array of JPA predicates for networks list query. Add filter predicates for name and
* principal if required. 1) if name is specified adds 'name = ?' predicate 2) if name pattern is
* specified adds 'name like ?' predicate 3) if principal is user of key without ADMIN role adds
* predicate for filtering not assigned networks 4) if principal is key which has permissions only
* to specific networks adds 'network.id in (allowed_networks)' predicates
*
* @return array of above predicates
* @see {@link com.devicehive.service.NetworkService#list(String, String, String, boolean,
* Integer, Integer, HivePrincipal)}
*/
public static Predicate[] networkListPredicates(
CriteriaBuilder cb,
Root<Network> from,
Optional<String> nameOpt,
Optional<String> namePatternOpt,
Optional<HivePrincipal> principalOpt) {
List<Predicate> predicates = new LinkedList<>();
nameOpt.ifPresent(name -> predicates.add(cb.equal(from.get("name"), name)));
namePatternOpt.ifPresent(pattern -> predicates.add(cb.like(from.get("name"), pattern)));
principalOpt
.flatMap(
principal -> {
User user = principal.getUser();
if (user == null && principal.getKey() != null) {
user = principal.getKey().getUser();
}
return ofNullable(user);
})
.ifPresent(
user -> {
if (!user.isAdmin()) {
predicates.add(from.join("users").in(user));
}
});
principalOpt
.map(HivePrincipal::getKey)
.ifPresent(
key ->
predicates.add(
cb.or(networkPermissionsPredicates(cb, from, key.getPermissions()))));
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[] oAuthGrantsListPredicates(
CriteriaBuilder cb,
Root<OAuthGrant> from,
User user,
Optional<Date> startOpt,
Optional<Date> endOpt,
Optional<String> oAuthIdOpt,
Optional<Integer> typeOpt,
Optional<String> scopeOpt,
Optional<String> redirectUri,
Optional<Integer> accessType) {
List<Predicate> predicates = new LinkedList<>();
if (!user.isAdmin()) {
predicates.add(from.join("user").in(user));
}
startOpt.ifPresent(start -> predicates.add(cb.greaterThan(from.get("timestamp"), start)));
endOpt.ifPresent(end -> predicates.add(cb.lessThan(from.get("timestamp"), end)));
oAuthIdOpt.ifPresent(id -> predicates.add(cb.equal(from.join("client").get("oauthId"), id)));
typeOpt.ifPresent(type -> predicates.add(cb.equal(from.get("type"), type)));
scopeOpt.ifPresent(scope -> predicates.add(cb.equal(from.get("scope"), scope)));
redirectUri.ifPresent(uri -> predicates.add(cb.equal(from.get("redirectUri"), uri)));
accessType.ifPresent(at -> predicates.add(cb.equal(from.get("accessType"), at)));
return predicates.toArray(new Predicate[predicates.size()]);
}