44 lines
1.1 KiB
Java
44 lines
1.1 KiB
Java
package dao.entities;
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import java.util.List;
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import java.util.UUID;
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import java.util.stream.Collectors;
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import javax.persistence.TypedQuery;
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import org.hibernate.query.Query;
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import dao.JpaDao;
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import entities.Researcher;
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import entities.responses.IDLabelPair;
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public class ResearcherDaoImpl extends JpaDao<Researcher, UUID> implements ResearcherDao {
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public Researcher loadDetails(Researcher t) {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public List<UUID> listAllIDs() {
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String queryString = "SELECT researcher.id FROM Researcher researcher";
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TypedQuery<UUID> typedQuery = entityManager.createQuery(queryString, UUID.class);
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return typedQuery.getResultList();
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}
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@Override
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public List<IDLabelPair> listAllIDsLabels() {
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String queryString = "SELECT researcher.id, researcher.label FROM Researcher researcher";
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Query query = (Query) entityManager.createQuery(queryString);
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List<Object[]> rows = query.list();
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return rows.stream().map(row -> {
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return new IDLabelPair(row[0].toString(), row[1].toString());
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})
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.collect(Collectors.toList());
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}
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}
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