org.dspace.app.requestitem.dao.impl.RequestItemDAOImpl Maven / Gradle / Ivy

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/**
 * The contents of this file are subject to the license and copyright
 * detailed in the LICENSE and NOTICE files at the root of the source
 * tree and available online at
 *
 * http://www.dspace.org/license/
 */
package org.dspace.app.requestitem.dao.impl;

import java.sql.SQLException;
import java.util.Iterator;

import jakarta.persistence.Query;
import jakarta.persistence.criteria.CriteriaBuilder;
import jakarta.persistence.criteria.CriteriaQuery;
import jakarta.persistence.criteria.Root;
import org.dspace.app.requestitem.RequestItem;
import org.dspace.app.requestitem.RequestItem_;
import org.dspace.app.requestitem.dao.RequestItemDAO;
import org.dspace.content.Item;
import org.dspace.core.AbstractHibernateDAO;
import org.dspace.core.Context;

/**
 * Hibernate implementation of the Database Access Object interface class for the RequestItem object.
 * This class is responsible for all database calls for the RequestItem object and is autowired by Spring.
 * This class should never be accessed directly.
 *
 * @author kevinvandevelde at atmire.com
 */
public class RequestItemDAOImpl extends AbstractHibernateDAO implements RequestItemDAO {
    protected RequestItemDAOImpl() {
        super();
    }

    @Override
    public RequestItem findByToken(Context context, String token) throws SQLException {
        CriteriaBuilder criteriaBuilder = getCriteriaBuilder(context);
        CriteriaQuery criteriaQuery = getCriteriaQuery(criteriaBuilder, RequestItem.class);
        Root requestItemRoot = criteriaQuery.from(RequestItem.class);
        criteriaQuery.select(requestItemRoot);
        criteriaQuery.where(criteriaBuilder.equal(requestItemRoot.get(RequestItem_.token), token));
        return uniqueResult(context, criteriaQuery, false, RequestItem.class);
    }

    @Override
    public RequestItem findByAccessToken(Context context, String accessToken) throws SQLException {
        CriteriaBuilder criteriaBuilder = getCriteriaBuilder(context);
        CriteriaQuery criteriaQuery = getCriteriaQuery(criteriaBuilder, RequestItem.class);
        Root requestItemRoot = criteriaQuery.from(RequestItem.class);
        criteriaQuery.select(requestItemRoot);
        criteriaQuery.where(criteriaBuilder.equal(requestItemRoot.get(RequestItem_.access_token), accessToken));
        return uniqueResult(context, criteriaQuery, true, RequestItem.class);
    }

    @Override
    public Iterator findByItem(Context context, Item item) throws SQLException {
        CriteriaBuilder criteriaBuilder = getCriteriaBuilder(context);
        CriteriaQuery criteriaQuery = getCriteriaQuery(criteriaBuilder, RequestItem.class);
        Root requestItemRoot = criteriaQuery.from(RequestItem.class);
        criteriaQuery.select(requestItemRoot);
        criteriaQuery.where(criteriaBuilder.equal(requestItemRoot.get(RequestItem_.item), item));
        Query query = createQuery(context, criteriaQuery);
        return iterate(query);
    }
}