cdmlib-services/src/main/java/eu/etaxonomy/cdm/api/service/IMediaService.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.net.URI;
  14 import java.util.List;
  15 import java.util.Map;
  16 import java.util.Set;
  17
  18 import eu.etaxonomy.cdm.api.service.pager.Pager;
  19 import eu.etaxonomy.cdm.model.description.MediaKey;
  20 import eu.etaxonomy.cdm.model.location.NamedArea;
  21 import eu.etaxonomy.cdm.model.media.Media;
  22 import eu.etaxonomy.cdm.model.media.Rights;
  23 import eu.etaxonomy.cdm.model.taxon.Taxon;
  24 import eu.etaxonomy.cdm.persistence.dao.BeanInitializer;
  25 import eu.etaxonomy.cdm.persistence.query.OrderHint;
  26
  27 public interface IMediaService extends IIdentifiableEntityService<Media> {
  28
  29         /**
  30          * Return a List of MediaKeys, optionally filtered by the parameters passed.
  31          *
  32          * @param taxonomicScope a Set of Taxon instances that define the taxonomic scope of the key (can be null)
  33          * @param geoScopes a Set of NamedArea instances that define the geospatial scope of the key (can be null)
  34          * @param pageSize The maximum number of keys returned (can be null for all keys)
  35          * @param pageNumber The offset (in pageSize chunks) from the start of the result set (0 - based)
  36          * @param propertyPaths Properties to initialize in the returned entities, following the syntax described in {@link BeanInitializer#initialize(Object, List)}
  37          * @return a Pager containing MediaKey instances
  38          */
  39         public Pager<MediaKey> getMediaKeys(Set<Taxon> taxonomicScope, Set<NamedArea> geoScopes, Integer pageSize, Integer pageNumber, List<String> propertyPaths);
  40
  41         /**
  42          * Return a Pager of rights belonging to this object
  43          *
  44          * @param t The media object
  45          * @param pageSize The maximum number of rights returned (can be null for all rights)
  46          * @param pageNumber The offset (in pageSize chunks) from the start of the result set (0 - based)
  47          * @param propertyPaths properties to initialize - see {@link BeanInitializer#initialize(Object, List)}
  48          * @return a Pager of Rights entities
  49          */
  50     public Pager<Rights> getRights(Media t, Integer pageSize, Integer pageNumber, List<String> propertyPaths);
  51
  52     /**
  53          * Returns a Paged List of Media instances where the default field matches the String queryString (as interpreted by the Lucene QueryParser)
  54          *
  55          * @param clazz filter the results by class (or pass null to return all Media instances)
  56          * @param queryString
  57          * @param pageSize The maximum number of media returned (can be null for all matching media)
  58          * @param pageNumber The offset (in pageSize chunks) from the start of the result set (0 - based)
  59          * @param orderHints
  60          *            Supports path like <code>orderHints.propertyNames</code> which
  61          *            include *-to-one properties like createdBy.username or
  62          *            authorTeam.persistentTitleCache
  63          * @param propertyPaths properties to be initialized
  64          * @return a Pager Media instances
  65          * @see <a href="http://lucene.apache.org/java/2_4_0/queryparsersyntax.html">Apache Lucene - Query Parser Syntax</a>
  66          */
  67         public Pager<Media> search(Class<? extends Media> clazz, String queryString, Integer pageSize, Integer pageNumber, List<OrderHint> orderHints, List<String> propertyPaths);
  68
  69         public Map<String,String> getImageMetaData(URI uri, Integer timeOut);
  70 }