Mercurial > lada > lada-server
view src/main/java/de/intevation/lada/manage/LStatusManager.java @ 154:490a47662901
New manager for LStatus objects.
author | Raimund Renkert <rrenkert@intevation.de> |
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date | Fri, 14 Jun 2013 14:42:50 +0200 |
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package de.intevation.lada.manage; import javax.ejb.EJBTransactionRolledbackException; import javax.ejb.Stateless; import javax.ejb.TransactionAttribute; import javax.ejb.TransactionAttributeType; import javax.inject.Inject; import javax.persistence.EntityExistsException; import javax.persistence.EntityManager; import javax.persistence.TransactionRequiredException; import de.intevation.lada.model.LStatus; /** * This Manager provides databse operations for LStatus objects. * * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a> */ @Stateless public class LStatusManager { @Inject private EntityManager em; /** * Delete a LProbe object by id. * * @param id * @throws Exception */ @TransactionAttribute(TransactionAttributeType.REQUIRED) public void delete(String id) throws Exception { LStatus messwert = em.find(LStatus.class, id); em.remove(messwert); } /** * Persist a new LMesswert object in the database. * * @param messwert The new LMesswert object. * * @throws EntityExistsException * @throws IllegalArgumentException * @throws TransactionRequiredException */ @TransactionAttribute(TransactionAttributeType.REQUIRED) public void create(LStatus status) throws EntityExistsException, IllegalArgumentException, EJBTransactionRolledbackException, TransactionRequiredException { em.persist(status); } /** * Updates a LMesswert object in the database. * * @param messwert The new LMesswert object. * * @throws EntityExistsException * @throws IllegalArgumentException * @throws TransactionRequiredException */ @TransactionAttribute(TransactionAttributeType.REQUIRED) public void update(LStatus status) throws EntityExistsException, IllegalArgumentException, EJBTransactionRolledbackException, TransactionRequiredException { em.merge(status); } }