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

   1 package eu.etaxonomy.cdm.api.service;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5
   6 import org.springframework.beans.factory.annotation.Autowired;
   7 import org.springframework.stereotype.Service;
   8 import org.springframework.transaction.annotation.Transactional;
   9
  10 import eu.etaxonomy.cdm.api.service.pager.Pager;
  11 import eu.etaxonomy.cdm.api.service.pager.PagerUtils;
  12 import eu.etaxonomy.cdm.api.service.pager.impl.AbstractPagerImpl;
  13 import eu.etaxonomy.cdm.api.service.pager.impl.DefaultPagerImpl;
  14 import eu.etaxonomy.cdm.model.description.IIdentificationKey;
  15 import eu.etaxonomy.cdm.model.taxon.TaxonBase;
  16 import eu.etaxonomy.cdm.persistence.dao.description.IIdentificationKeyDao;
  17
  18 @Service
  19 @Transactional(readOnly = true)
  20 public class IdentificationKeyServiceImpl implements IIdentificationKeyService {
  21
  22     IIdentificationKeyDao dao;
  23
  24     @Autowired
  25     public void setDao(IIdentificationKeyDao dao) {
  26         this.dao = dao;
  27     }
  28
  29     @Override
  30     public Pager<IIdentificationKey> page(Integer pageSize, Integer pageNumber, List<String> propertyPaths) {
  31         long numberOfResults = dao.count();
  32         List<IIdentificationKey> results = new ArrayList<>();
  33         if(numberOfResults > 0) { // no point checking again //TODO use AbstractPagerImpl.hasResultsInRange(numberOfResults, pageNumber, pageSize)
  34             Integer limit = PagerUtils.limitFor(pageSize);
  35             Integer start = PagerUtils.startFor(pageSize, pageNumber);
  36             results = dao.list(limit, start, propertyPaths);
  37         }
  38         return new DefaultPagerImpl<>(pageNumber, numberOfResults, pageSize, results);
  39     }
  40
  41
  42     @Override
  43     public <T extends IIdentificationKey> Pager<T> findKeysConvering(TaxonBase taxon,
  44             Class<T> type, Integer pageSize,
  45             Integer pageNumber, List<String> propertyPaths) {
  46
  47         Long numberOfResults = dao.countByTaxonomicScope(taxon.getUuid(), type);
  48         List<T> results = new ArrayList<T>();
  49         if(AbstractPagerImpl.hasResultsInRange(numberOfResults, pageNumber, pageSize)){
  50             results = dao.findByTaxonomicScope(taxon.getUuid(), type, pageSize, pageNumber, propertyPaths);
  51         }
  52         return new DefaultPagerImpl<T>(pageNumber, numberOfResults, pageSize, results);
  53     }
  54
  55 }