Java tutorial
/* This file is part of Cyclos (www.cyclos.org). A project of the Social Trade Organisation (www.socialtrade.org). Cyclos is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. Cyclos is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Cyclos; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package nl.strohalm.cyclos.dao.accounts.cards; import java.math.BigInteger; import java.util.Calendar; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Set; import nl.strohalm.cyclos.dao.BaseDAOImpl; import nl.strohalm.cyclos.entities.Relationship; import nl.strohalm.cyclos.entities.accounts.cards.Card; import nl.strohalm.cyclos.entities.accounts.cards.Card.Status; import nl.strohalm.cyclos.entities.accounts.cards.CardQuery; import nl.strohalm.cyclos.entities.exceptions.DaoException; import nl.strohalm.cyclos.entities.exceptions.EntityNotFoundException; import nl.strohalm.cyclos.entities.members.Member; import nl.strohalm.cyclos.utils.hibernate.HibernateHelper; import org.apache.commons.lang.ArrayUtils; /** * Implementation DAO for Cards * @author rodrigo */ public class CardDAOImpl extends BaseDAOImpl<Card> implements CardDAO { public CardDAOImpl() { super(Card.class); } @Override public void cancelAllMemberCards(final Member member) { final Map<String, Object> namedParameters = new HashMap<String, Object>(); namedParameters.put("owner", member); namedParameters.put("status", Status.CANCELED); bulkUpdate("update " + getEntityType().getName() + " set status = :status where owner = :owner ", namedParameters); } @Override public boolean existsNumber(final BigInteger cardNumber) throws DaoException { final StringBuilder hql = new StringBuilder(); final Map<String, Object> namedParameters = new HashMap<String, Object>(); hql.append(" select count(*)"); hql.append(" from " + Card.class.getName() + " c"); hql.append(" where c.cardNumber = :cardNumber "); namedParameters.put("cardNumber", cardNumber); final Integer count = (Integer) (uniqueResult(hql.toString(), namedParameters)); final boolean hasCardNumber = count == 0 ? false : true; return hasCardNumber; } @Override public List<Card> getCardsToExpire(final Calendar expirationDate) { final StringBuilder hql = new StringBuilder("select c from " + getEntityType().getName() + " c"); hql.append(" where c.expirationDate < :expirationDate "); hql.append(" and c.status <> :status "); final Map<String, Object> namedParameters = new HashMap<String, Object>(); namedParameters.put("expirationDate", expirationDate); namedParameters.put("status", Card.Status.EXPIRED); return list(hql.toString(), namedParameters); } @Override public List<Card> getMemberCards(final long memberId) { final Map<String, Object> namedParameters = new HashMap<String, Object>(); final StringBuilder hql = new StringBuilder("select c from " + Card.class.getName() + " c"); hql.append(" where c.owner.id = :memberId "); namedParameters.put("memberId", memberId); HibernateHelper.appendOrder(hql, "c.creationDate desc"); return list(hql.toString(), namedParameters); } @Override public Calendar lastTimeExpiredCards() { final Map<String, Object> namedParameters = new HashMap<String, Object>(); final StringBuilder hql = new StringBuilder( "select max(c.expirationDate) from " + Card.class.getName() + " c"); hql.append(" where c.status = :status "); namedParameters.put("status", Card.Status.EXPIRED); return (Calendar) uniqueResult(hql.toString(), namedParameters); } @Override public Card loadByNumber(final BigInteger number, final Relationship... fetch) { Card card = uniqueResult("from Card c where c.cardNumber = :number", Collections.singletonMap("number", number)); if (card == null) { throw new EntityNotFoundException(Card.class); } if (!ArrayUtils.isEmpty(fetch)) { card = getFetchDao().fetch(card, fetch); } return card; } @Override public Card getLastCard(final long memberId) throws DaoException { final Map<String, ?> namedParameters = Collections.singletonMap("memberId", memberId); final StringBuilder hql = new StringBuilder(); hql.append(" from " + Card.class.getName() + " c"); hql.append(" where c.owner.id = :memberId "); hql.append(" order by c.creationDate desc"); return uniqueResult(hql.toString(), namedParameters); } @Override public List<Card> search(final CardQuery query) throws DaoException { final Map<String, Object> namedParameters = new HashMap<String, Object>(); final Set<Relationship> fetch = query.getFetch(); final StringBuilder hql = new StringBuilder("select c from " + getEntityType().getName() + " c"); hql.append(" left join c.owner owr"); HibernateHelper.appendJoinFetch(hql, getEntityType(), "c", fetch); hql.append(" where 1 = 1"); HibernateHelper.addPeriodParameterToQuery(hql, namedParameters, "c.expirationDate", query.getExpiration()); HibernateHelper.addInParameterToQuery(hql, namedParameters, "c.status", query.getStatus()); HibernateHelper.addInParameterToQuery(hql, namedParameters, "owr.group", query.getGroups()); HibernateHelper.addParameterToQuery(hql, namedParameters, "c.cardType", query.getCardType()); HibernateHelper.addParameterToQuery(hql, namedParameters, "c.owner", query.getMember()); HibernateHelper.addParameterToQuery(hql, namedParameters, "c.cardNumber", query.getNumber()); HibernateHelper.addParameterToQuery(hql, namedParameters, "owr.broker", query.getBroker()); HibernateHelper.appendOrder(hql, "owr.name", "c.creationDate desc"); return list(query, hql.toString(), namedParameters); } @Override public List<Card> searchActiveCards(final Long ownerId, final Long cardId) { final Map<String, Object> namedParameters = new HashMap<String, Object>(); final StringBuilder hql = new StringBuilder("select c from " + getEntityType().getName() + " c"); hql.append(" where c.owner.id = :ownerId "); hql.append(" and c.id != :cardId "); hql.append(" and c.status not in ('C','E')"); namedParameters.put("ownerId", ownerId); namedParameters.put("cardId", cardId); return list(hql.toString(), namedParameters); } }