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

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.cdm.api.service;
  12
  13 import java.util.ArrayList;
  14 import java.util.List;
  15
  16 import org.springframework.transaction.annotation.Transactional;
  17
  18 import eu.etaxonomy.cdm.api.service.pager.Pager;
  19 import eu.etaxonomy.cdm.api.service.pager.impl.DefaultPagerImpl;
  20 import eu.etaxonomy.cdm.model.common.AnnotatableEntity;
  21 import eu.etaxonomy.cdm.model.common.Annotation;
  22 import eu.etaxonomy.cdm.model.common.MarkerType;
  23 import eu.etaxonomy.cdm.persistence.dao.common.IAnnotatableDao;
  24 import eu.etaxonomy.cdm.persistence.query.OrderHint;
  25
  26 @Transactional(readOnly = true)
  27 public abstract class AnnotatableServiceBase<T extends AnnotatableEntity,DAO extends IAnnotatableDao<T>> extends VersionableServiceBase<T, DAO>
  28                 implements IAnnotatableService<T> {
  29
  30         public Pager<Annotation> getAnnotations(T annotatedObj, MarkerType status, Integer pageSize, Integer pageNumber, List<OrderHint> orderHints, List<String> propertyPaths) {
  31                 Integer numberOfResults = dao.countAnnotations(annotatedObj, status);
  32
  33                 List<Annotation> results = new ArrayList<Annotation>();
  34                 if(numberOfResults > 0) { // no point checking again
  35                         results = dao.getAnnotations(annotatedObj, status, pageSize, pageNumber, orderHints, propertyPaths);
  36                 }
  37
  38                 return new DefaultPagerImpl<Annotation>(pageNumber, numberOfResults, pageSize, results);
  39         }
  40 }