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annotate src/main/java/edu/harvard/iq/dataverse/DataverseFacetServiceBean.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 edu.harvard.iq.dataverse.util.LruCache;
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4 import java.util.List;
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5 import javax.ejb.Stateless;
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6 import javax.inject.Named;
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7 import javax.persistence.EntityManager;
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8 import javax.persistence.PersistenceContext;
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9 import javax.persistence.Query;
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10
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11 /**
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12 *
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13 * @author xyang
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14 * @author Michael Bar-Sinai
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15 */
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16 @Stateless
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17 @Named
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18 public class DataverseFacetServiceBean implements java.io.Serializable {
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19
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20 public static final LruCache<Long,List<DataverseFacet>> cache = new LruCache();
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21
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22 @PersistenceContext(unitName = "VDCNet-ejbPU")
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23 private EntityManager em;
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24
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25 public List<DataverseFacet> findByDataverseId(Long dataverseId) {
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26 List<DataverseFacet> res = cache.get(dataverseId);
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28 if ( res == null ) {
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29 Query query = em.createNamedQuery("DataverseFacet.findByDataverseId", DataverseFacet.class);
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30 query.setParameter("dataverseId", dataverseId);
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31 res = query.getResultList();
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32 cache.put(dataverseId, res);
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33 }
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34
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35 return res;
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36 }
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37
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38 public void delete(DataverseFacet dataverseFacet) {
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39 em.remove(em.merge(dataverseFacet));
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40 cache.invalidate();
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41 }
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42
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43 public void deleteFacetsFor( Dataverse d ) {
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44 em.createNamedQuery("DataverseFacet.removeByOwnerId")
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45 .setParameter("ownerId", d.getId())
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46 .executeUpdate();
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47 cache.invalidate(d.getId());
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48
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49 }
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51 public void create(int diplayOrder, Long datasetFieldId, Long dataverseId) {
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52 DataverseFacet dataverseFacet = new DataverseFacet();
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53
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54 dataverseFacet.setDisplayOrder(diplayOrder);
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55
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56 DatasetFieldType dsfType = (DatasetFieldType)em.find(DatasetFieldType.class,datasetFieldId);
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57 dataverseFacet.setDatasetFieldType(dsfType);
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58
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59 Dataverse dataverse = (Dataverse)em.find(Dataverse.class,dataverseId);
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60 dataverseFacet.setDataverse(dataverse);
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61
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62 dataverse.getDataverseFacets().add(dataverseFacet);
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63 em.persist(dataverseFacet);
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64 }
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66 }
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