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annotate src/main/java/edu/harvard/iq/dataverse/MetadataBlockServiceBean.java @ 14:be7787c36e58 default tip

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new: nofity LGSercies for deleted files
author Zoe Hong <zhong@mpiwg-berlin.mpg.de>
date Mon, 02 Nov 2015 16:41:23 +0100
parents a50cf11e5178
children
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1 package edu.harvard.iq.dataverse;
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2
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3 import java.util.List;
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4 import javax.ejb.Stateless;
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5 import javax.inject.Named;
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6 import javax.persistence.EntityManager;
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7 import javax.persistence.NoResultException;
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8 import javax.persistence.PersistenceContext;
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9
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10 /**
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11 *
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12 * @author michael
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13 */
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14 @Stateless
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15 @Named
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16 public class MetadataBlockServiceBean {
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17
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18 @PersistenceContext(unitName = "VDCNet-ejbPU")
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19 private EntityManager em;
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23 public MetadataBlock save(MetadataBlock mdb) {
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24 return em.merge(mdb);
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25 }
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28 public List<MetadataBlock> listMetadataBlocks() {
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29 return em.createNamedQuery("MetadataBlock.listAll", MetadataBlock.class).getResultList();
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30 }
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32 public MetadataBlock findById( Long id ) {
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33 return em.find(MetadataBlock.class, id);
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34 }
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35
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36 public MetadataBlock findByName( String name ) {
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37 try {
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38 return em.createNamedQuery("MetadataBlock.findByName", MetadataBlock.class)
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39 .setParameter("name", name)
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40 .getSingleResult();
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41 } catch ( NoResultException nre ) {
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42 return null;
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43 }
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44 }
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45 }