cdmlib-services/src/main/java/eu/etaxonomy/cdm/api/service/RegistrationServiceImpl.java

   1 /**
   2 * Copyright (C) 2017 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.cdm.api.service;
  10
  11 import java.util.ArrayList;
  12 import java.util.Collection;
  13 import java.util.List;
  14 import java.util.Optional;
  15
  16 import org.springframework.beans.factory.annotation.Autowired;
  17 import org.springframework.stereotype.Service;
  18 import org.springframework.transaction.annotation.Transactional;
  19
  20 import eu.etaxonomy.cdm.api.service.pager.Pager;
  21 import eu.etaxonomy.cdm.api.service.pager.impl.AbstractPagerImpl;
  22 import eu.etaxonomy.cdm.api.service.pager.impl.DefaultPagerImpl;
  23 import eu.etaxonomy.cdm.model.common.User;
  24 import eu.etaxonomy.cdm.model.name.Registration;
  25 import eu.etaxonomy.cdm.model.name.RegistrationStatus;
  26 import eu.etaxonomy.cdm.model.reference.Reference;
  27 import eu.etaxonomy.cdm.persistence.dao.common.Restriction;
  28 import eu.etaxonomy.cdm.persistence.dao.name.IRegistrationDao;
  29 import eu.etaxonomy.cdm.persistence.query.MatchMode;
  30 import eu.etaxonomy.cdm.persistence.query.OrderHint;
  31
  32 /**
  33  * @author a.kohlbecker
  34  * @since May 2, 2017
  35  *
  36  */
  37 @Service
  38 @Transactional(readOnly = true)
  39 public class RegistrationServiceImpl extends AnnotatableServiceBase<Registration, IRegistrationDao> implements IRegistrationService {
  40
  41     /**
  42      * {@inheritDoc}
  43      */
  44     @Autowired
  45     @Override
  46     protected void setDao(IRegistrationDao dao) {
  47         this.dao = dao;
  48     }
  49
  50     /**
  51      * {@inheritDoc}
  52      */
  53     @Override
  54     public Pager<Registration> page(Optional<Reference> reference, Collection<RegistrationStatus> includedStatus,
  55             Integer pageSize, Integer pageIndex, List<String> propertyPaths) {
  56
  57         long numberOfResults = dao.count(reference, includedStatus);
  58
  59         List<Registration> results = new ArrayList<>();
  60         Integer [] limitStart = AbstractPagerImpl.limitStartforRange(numberOfResults, pageIndex, pageSize);
  61         if(limitStart != null) {
  62             results = dao.list(reference, includedStatus, limitStart[0], limitStart[1], propertyPaths);
  63         }
  64
  65         return new DefaultPagerImpl<>(pageIndex, numberOfResults, pageSize, results);
  66     }
  67
  68     /**
  69      * {@inheritDoc}
  70      */
  71     @Override
  72     public Pager<Registration> page(User submitter, Collection<RegistrationStatus> includedStatus,
  73             Integer pageSize, Integer pageIndex, List<OrderHint> orderHints, List<String> propertyPaths) {
  74
  75         List<Restriction<? extends Object>> restrictions = new ArrayList<>();
  76         if(submitter != null){
  77             restrictions.add(new Restriction<User>("submitter", MatchMode.EXACT, submitter));
  78         }
  79         if(includedStatus != null && !includedStatus.isEmpty()){
  80             restrictions.add(new Restriction<RegistrationStatus>("status", MatchMode.EXACT, includedStatus.toArray(new RegistrationStatus[includedStatus.size()])));
  81         }
  82
  83         long numberOfResults = dao.count(Registration.class, restrictions);
  84
  85         List<Registration> results = new ArrayList<Registration>();
  86         Integer [] limitStart = AbstractPagerImpl.limitStartforRange(numberOfResults, pageIndex, pageSize);
  87         if(limitStart != null) {
  88             results = dao.list(Registration.class, restrictions, limitStart[0], limitStart[1], orderHints, propertyPaths);
  89         }
  90
  91         return new DefaultPagerImpl<>(pageIndex, numberOfResults, pageSize, results);
  92     }
  93
  94
  95 }