argos/dmp-backend/src/main/java/eu/eudat/dao/entities/DatasetDaoImpl.java

68 lines
2.3 KiB
Java

package eu.eudat.dao.entities;
import java.util.List;
import java.util.Set;
import java.util.UUID;
import java.util.stream.Collectors;
import javax.persistence.Query;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Root;
import eu.eudat.dao.JpaDao;
import eu.eudat.entities.Dataset;
import eu.eudat.entities.Project;
import eu.eudat.entities.responses.IDLabelPair;
import eu.eudat.models.dataset.DatasetTableRequest;
import org.springframework.stereotype.Component;
@Component("datasetDao")
public class DatasetDaoImpl extends JpaDao<Dataset, UUID> implements DatasetDao {
public Dataset loadDetails(Dataset t) {
// TODO Auto-generated method stub
return null;
}
@Override
public List<UUID> listAllIDs() {
String queryString = "SELECT dataset.id FROM Dataset dataset where dataset.status>=0";
TypedQuery<UUID> typedQuery = entityManager.createQuery(queryString, UUID.class);
return typedQuery.getResultList();
}
@Override
public List<IDLabelPair> listAllIDsLabels() {
String queryString = "SELECT dataset.id, dataset.label FROM Dataset dataset where dataset.status>=0";
Query query = (Query) entityManager.createQuery(queryString);
List<Object[]> rows = query.getResultList();
return rows.stream().map(row -> {
return new IDLabelPair(row[0].toString(), row[1].toString());
})
.collect(Collectors.toList());
}
@Override
public List<Dataset> getDatasetsOfDmp(UUID dmpID) {
String queryString = "FROM Dataset dataset where dataset.dmp.id=:dmpID and dataset.status>=0";
Query query = (Query) entityManager.createQuery(queryString);
query.setParameter("dmpID", dmpID);
List<Dataset> datasets = (List<Dataset>) query.getResultList();
return datasets;
}
@Override
public List<Dataset> getWithCriteria(DatasetTableRequest datasetTableRequest) {
CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
CriteriaQuery<Dataset> criteriaQuery = criteriaBuilder .createQuery(Dataset.class);
Root<Dataset> root = criteriaQuery.from(Dataset.class);
TypedQuery<Dataset> typedQuery = entityManager.createQuery(criteriaQuery);
typedQuery.setFirstResult(datasetTableRequest.getOffset());
typedQuery.setMaxResults(datasetTableRequest.getLength());
return typedQuery.getResultList();
}
}