EDIT

// $Id$

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.api.service;

import java.util.Collection;

import java.util.List;

import java.util.Map;

import java.util.Set;

import java.util.UUID;

import eu.etaxonomy.cdm.api.service.pager.Pager;

import eu.etaxonomy.cdm.api.utility.DescriptionUtility;

import eu.etaxonomy.cdm.model.common.Annotation;

import eu.etaxonomy.cdm.model.common.DefinedTerm;

import eu.etaxonomy.cdm.model.common.Language;

import eu.etaxonomy.cdm.model.common.Marker;

import eu.etaxonomy.cdm.model.common.MarkerType;

import eu.etaxonomy.cdm.model.common.TermVocabulary;

import eu.etaxonomy.cdm.model.description.DescriptionBase;

import eu.etaxonomy.cdm.model.description.DescriptionElementBase;

import eu.etaxonomy.cdm.model.description.Distribution;

import eu.etaxonomy.cdm.model.description.Feature;

import eu.etaxonomy.cdm.model.description.FeatureTree;

import eu.etaxonomy.cdm.model.description.PresenceAbsenceTerm;

import eu.etaxonomy.cdm.model.description.TaxonDescription;

import eu.etaxonomy.cdm.model.description.TaxonNameDescription;

import eu.etaxonomy.cdm.model.location.NamedArea;

import eu.etaxonomy.cdm.model.location.NamedAreaLevel;

import eu.etaxonomy.cdm.model.media.Media;

import eu.etaxonomy.cdm.model.name.TaxonNameBase;

import eu.etaxonomy.cdm.model.taxon.Taxon;

import eu.etaxonomy.cdm.persistence.dao.initializer.IBeanInitializer;

import eu.etaxonomy.cdm.persistence.dto.TermDto;

import eu.etaxonomy.cdm.persistence.query.OrderHint;

public interface IDescriptionService extends IIdentifiableEntityService<DescriptionBase> {

    /**

     *

     * @return

     * @deprecated use TermService#getVocabulary(VocabularyType) instead

     */

    @Deprecated

    public TermVocabulary<Feature> getDefaultFeatureVocabulary();

    /**

     * @deprecated use TermService#getVocabulary(VocabularyType) instead

     */

    @Deprecated

    public TermVocabulary<Feature> getFeatureVocabulary(UUID uuid);

    /**

     * Gets a DescriptionElementBase instance matching the supplied uuid

     *

     * @param uuid the uuid of the DescriptionElement of interest

     * @return a DescriptionElement, or null if the DescriptionElement does not exist

     */

    public DescriptionElementBase getDescriptionElementByUuid(UUID uuid);

    /**

     * Loads and existing DescriptionElementBase instance matching the supplied uuid,

     * and recursively initializes all bean properties given in the

     * <code>propertyPaths</code> parameter.

     * <p>

     * For detailed description and examples <b>please refer to:</b>

     * {@link IBeanInitializer#initialize(Object, List)}

     *

     * @param uuid the uuid of the DescriptionElement of interest

     * @return a DescriptionElement, or null if the DescriptionElement does not exist

     */

    public DescriptionElementBase loadDescriptionElement(UUID uuid,List<String> propertyPaths);

    /**

     * Persists a <code>DescriptionElementBase</code>

     * @param descriptionElement

     * @return

     */

    public UUID saveDescriptionElement(DescriptionElementBase descriptionElement);

    /**

     * Persists a collection of <code>DescriptionElementBase</code>

     * @param descriptionElements

     * @return

     */

    public Map<UUID, DescriptionElementBase> saveDescriptionElement(Collection<DescriptionElementBase> descriptionElements);

    /**

     * Delete an existing description element

     *

     * @param descriptionElement the description element to be deleted

     * @return the unique identifier of the deleted entity

     */

    public UUID deleteDescriptionElement(DescriptionElementBase descriptionElement);

    /**

     * List the descriptions of type <T>, filtered using the following parameters

     *

     * @param type The type of description returned (Taxon, TaxonName, or Specimen)

     * @param hasMedia Restrict the description to those that do (true) or don't (false) contain <i>elements</i> that have one or more media (can be null)

     * @param hasText Restrict the description to those that do (true) or don't (false) contain TextData <i>elements</i> that have some textual content (can be null)

     * @param feature Restrict the description to those <i>elements</i> which are scoped by one of the Features passed (can be null or empty)

     * @param pageSize The maximum number of descriptions returned (can be null for all descriptions)

     * @param pageNumber The offset (in pageSize chunks) from the start of the result set (0 - based)

     * @param orderHints may be null

     * @param propertyPaths properties to initialize - see {@link IBeanInitializer#initialize(Object, List)}

     * @return a Pager containing DescriptionBase instances

     */

    public Pager<DescriptionBase> page(Class<? extends DescriptionBase> type, Boolean hasMedia, Boolean hasText, Set<Feature> feature, Integer pageSize, Integer pageNumber, List<OrderHint> orderHints, List<String> propertyPaths);

    /**

     * Count the descriptions of type <TYPE>, filtered using the following parameters

     *

     * @param type The type of description returned (Taxon, TaxonName, or Specimen)

     * @param hasMedia Restrict the description to those that do (true) or don't (false) contain <i>elements</i> that have one or more media (can be null)

     * @param hasText Restrict the description to those that do (true) or don't (false) contain TextData <i>elements</i> that have some textual content (can be null)

     * @param feature Restrict the description to those <i>elements</i> which are scoped by one of the Features passed (can be null or empty)

     * @return a count of DescriptionBase instances

     */

    public int count(Class<? extends DescriptionBase> type, Boolean hasImages, Boolean hasText, Set<Feature> feature);

    /**

     * Returns description elements of type <TYPE>, belonging to a given

     * description, optionally filtered by one or more features

     *

     * @param description

     *            The description which these description elements belong to

     *            (can be null to count all description elements)

     * @param descriptionType

     *            A filter DescriptionElements which belong to of a specific

     *            class of Descriptions

     * @param features

     *            Restrict the results to those description elements which are

     *            scoped by one of the Features passed (can be null or empty)

     * @param type

     *            A filter for DescriptionElements of a specific class

     * @param pageSize

     *            The maximum number of description elements returned (can be

     *            null for all description elements)

     * @param pageNumber

     *            The offset (in pageSize chunks) from the start of the result

     *            set (0 - based)

     * @param propertyPaths

     *            Properties to initialize in the returned entities, following

     *            the syntax described in

     *            {@link IBeanInitializer#initialize(Object, List)}

     * @return a Pager containing DescriptionElementBase instances

     * @deprecated use

     *             {@link #pageDescriptionElements(DescriptionBase, Set, Class, Integer, Integer, List)}

     *             instead

     */

    @Deprecated

    public Pager<DescriptionElementBase> getDescriptionElements(DescriptionBase description,Set<Feature> features, Class<? extends DescriptionElementBase> type, Integer pageSize, Integer pageNumber, List<String> propertyPaths);

    /**

     * Returns description elements of type <TYPE>, belonging to a given

     * description, optionally filtered by one or more features

     *

     * @param description

     *            The description which these description elements belong to

     *            (can be null to count all description elements)

     * @param descriptionType

     *            A filter DescriptionElements which belong to of a specific

     *            class of Descriptions

     * @param features

     *            Restrict the results to those description elements which are

     *            scoped by one of the Features passed (can be null or empty)

     * @param type

     *            A filter for DescriptionElements of a specific class

     * @param pageSize

     *            The maximum number of description elements returned (can be

     *            null for all description elements)

     * @param pageNumber

     *            The offset (in pageSize chunks) from the start of the result

     *            set (0 - based)

     * @param propertyPaths

     *            Properties to initialize in the returned entities, following

     *            the syntax described in

     *            {@link IBeanInitializer#initialize(Object, List)}

     *

     * @return a Pager containing DescriptionElementBase instances

     */

    public Pager<DescriptionElementBase> pageDescriptionElements(DescriptionBase description, Class<? extends DescriptionBase> descriptionType, Set<Feature> features, Class<? extends DescriptionElementBase> type, Integer pageSize, Integer pageNumber, List<String> propertyPaths);

    /**

     * Returns description elements of type <TYPE>, belonging to a given

     * description, optionally filtered by one or more features

     *

     * @param description

     *            The description which these description elements belong to

     *            (can be null to count all description elements)

     * @param features

     *            Restrict the results to those description elements which are

     *            scoped by one of the Features passed (can be null or empty)

     * @param type

     *            A filter for DescriptionElements of a specific class

     * @param pageSize

     *            The maximum number of description elements returned (can be

     *            null for all description elements)

     * @param pageNumber

     *            The offset (in pageSize chunks) from the start of the result

     *            set (0 - based)

     * @param propertyPaths

     *            Properties to initialize in the returned entities, following

     *            the syntax described in

     *            {@link IBeanInitializer#initialize(Object, List)}

     * @return a List of DescriptionElementBase instances

     * @deprecated use {@link #listDescriptionElements(DescriptionBase, Class, Set, Class, Integer, Integer, List)} instead

     */

    @Deprecated

    public List<DescriptionElementBase> listDescriptionElements(DescriptionBase description,Set<Feature> features, Class<? extends DescriptionElementBase> type, Integer pageSize, Integer pageNumber, List<String> propertyPaths);

    /**

     * Returns description elements of type <TYPE>, belonging to a given

     * description, optionally filtered by one or more features

     *

     * @param description

     *            The description which these description elements belong to

     *            (can be null to count all description elements)

     * @param features

     *            Restrict the results to those description elements which are

     *            scoped by one of the Features passed (can be null or empty)

     * @param type

     *            A filter DescriptionElements of a for specific class

     * @param pageSize

     *            The maximum number of description elements returned (can be

     *            null for all description elements)

     * @param pageNumber

     *            The offset (in pageSize chunks) from the start of the result

     *            set (0 - based)

     * @param propertyPaths

     *            Properties to initialize in the returned entities, following

     *            the syntax described in

     *            {@link IBeanInitializer#initialize(Object, List)}

     * @return a List of DescriptionElementBase instances

     */

    public List<DescriptionElementBase> listDescriptionElements(DescriptionBase description, Class<? extends DescriptionBase> descriptionType, Set<Feature> features, Class<? extends DescriptionElementBase> type, Integer pageSize, Integer pageNumber, List<String> propertyPaths);

    /**

     * Return a Pager containing Annotation entities belonging to the DescriptionElementBase instance supplied, optionally filtered by MarkerType

     * @param annotatedObj The object that "owns" the annotations returned

     * @param status Only return annotations which are marked with a Marker of this type (can be null to return all annotations)

     * @param pageSize The maximum number of terms returned (can be null for all annotations)

     * @param pageNumber The offset (in pageSize chunks) from the start of the result set (0 - based)

     * @param orderHints may be null

     * @param propertyPaths properties to initialize - see {@link IBeanInitializer#initialize(Object, List)}

     * @return a Pager of Annotation entities

     */

    public Pager<Annotation> getDescriptionElementAnnotations(DescriptionElementBase annotatedObj, MarkerType status, Integer pageSize, Integer pageNumber, List<OrderHint> orderHints, List<String> propertyPaths);

    /**

     * Returns a List of TaxonDescription instances, optionally filtered by parameters passed to this method

     *

     * @param taxon The taxon which the description refers to (can be null for all TaxonDescription instances)

     * @param scopes Restrict the results to those descriptions which are scoped by one of the Scope instances passed (can be null or empty)

     * @param geographicalScope Restrict the results to those descriptions which have a geographical scope that overlaps with the NamedArea instances passed (can be null or empty)

     * @param pageSize The maximum number of descriptions returned (can be null for all descriptions)

     * @param pageNumber The offset (in pageSize chunks) from the start of the result set (0 - based)

     * @param propertyPaths Properties to initialize in the returned entities, following the syntax described in {@link IBeanInitializer#initialize(Object, List)}

     * @return a Pager containing TaxonDescription instances

     *

     * @see #pageMarkedTaxonDescriptions(Taxon, Set, Set, Set, Integer, Integer, List)

     */

    public Pager<TaxonDescription> pageTaxonDescriptions(Taxon taxon, Set<DefinedTerm> scopes, Set<NamedArea> geographicalScope, Integer pageSize, Integer pageNumber, List<String> propertyPaths);

    /**

     * Returns a List of TaxonDescription instances, optionally filtered by parameters passed to this method

     *

     * @param taxon The taxon which the description refers to (can be null for all TaxonDescription instances)

     * @param scopes Restrict the results to those descriptions which are scoped by one of the Scope instances passed (can be null or empty)

     * @param geographicalScope Restrict the results to those descriptions which have a geographical scope that overlaps with the NamedArea instances passed (can be null or empty)

     * @param markerType Restrict the results to those descriptions which are marked as true by one of the given marker types (can be null or empty)

     * @param pageSize The maximum number of descriptions returned (can be null for all descriptions)

     * @param pageNumber The offset (in pageSize chunks) from the start of the result set (0 - based)

     * @param propertyPaths Properties to initialize in the returned entities, following the syntax described in {@link IBeanInitializer#initialize(Object, List)}

     * @return a Pager containing TaxonDescription instances

     */

    public Pager<TaxonDescription> pageTaxonDescriptions(Taxon taxon, Set<DefinedTerm> scopes, Set<NamedArea> geographicalScope, Set<MarkerType> markerTypes, Integer pageSize, Integer pageNumber, List<String> propertyPaths);

    /**

     * @see {@link #pageTaxonDescriptions(Taxon, Set, Set, Integer, Integer, List)}

     *

     * @param taxon

     * @param scopes

     * @param geographicalScope

     * @param pageSize

     * @param pageNumber

     * @param propertyPaths

     * @return

     */

    public List<TaxonDescription> listTaxonDescriptions(Taxon taxon, Set<DefinedTerm> scopes, Set<NamedArea> geographicalScope, Integer pageSize, Integer pageNumber, List<String> propertyPaths);

    /**

     * @see {@link #pageMarkedTaxonDescriptions(Taxon, Set, Set, Set, Integer, Integer, List)}

     *

     * @param taxon

     * @param scopes

     * @param geographicalScope

     * @param pageSize

     * @param pageNumber

     * @param propertyPaths

     * @return

     */

    public List<TaxonDescription> listTaxonDescriptions(Taxon taxon, Set<DefinedTerm> scopes, Set<NamedArea> geographicalScope, Set<MarkerType> markerTypes, Integer pageSize, Integer pageNumber, List<String> propertyPaths);

    /**

     * Returns all {@link Media} attached to a taxon via TaxonDescription.elements.media.

     * @param taxonUuid the taxons uuid, if null media for all taxa are returned

     * @param limitToGalleries if true only media in TaxonDescriptions with imageGallery flag=true are returned

     * @param markerTypes only media for TaxonDescriptions with marker of type markerType and marker.flag=true are returned, one matching marker type is sufficient

     * @param pageSize

     * @param pageNumber

     * @param propertyPaths Properties to initialize in the returned entities, following the syntax described in {@link IBeanInitializer#initialize(Object, List)}

     * @return

     */

    public List<Media> listTaxonDescriptionMedia(UUID taxonUuid, boolean limitToGalleries, Set<MarkerType> markerTypes, Integer pageSize, Integer pageNumber, List<String> propertyPaths);

    /**

     * Returns count for all {@link Media} attached to a taxon via TaxonDescription.elements.media.

     * @param taxonUuid the taxons uuid, if null media for all taxa are returned

     * @param limitToGalleries if true only media in TaxonDescriptions with imageGallery flag=true are returned

     * @param markerTypes only media for TaxonDescriptions with marker of type markerType and marker.flag=true are returned, one matching marker type is sufficient

     * @return

     */

    public int countTaxonDescriptionMedia(UUID taxonUuid, boolean limitToGalleries, Set<MarkerType> markerTypes);

    /**

     * Returns a List of TaxonNameDescription instances, optionally filtered by the name which they refer to

     *

     * @param name Restrict the results to those descriptions that refer to a specific name (can be null for all TaxonNameDescription instances)

     * @param pageSize The maximum number of descriptions returned (can be null for all descriptions)

     * @param pageNumber The offset (in pageSize chunks) from the start of the result set (0 - based)

     * @param propertyPaths Properties to initialize in the returned entities, following the syntax described in {@link IBeanInitializer#initialize(Object, List)}

     * @return a Pager containing TaxonNameBase instances

     *

     * FIXME candidate for harmonization - rename to pageTaxonNameDescriptions

     */

    public Pager<TaxonNameDescription> getTaxonNameDescriptions(TaxonNameBase name, Integer pageSize, Integer pageNumber, List<String> propertyPaths);

    /**

     * Returns a List of distinct TaxonDescription instances which have Distribution elements that refer to one of the NamedArea instances passed (optionally

     * filtered by a type of PresenceAbsenceTerm e.g. PRESENT / ABSENT / NATIVE / CULTIVATED etc)

     *

     * @param namedAreas The set of NamedArea instances

     * @param presence Restrict the descriptions to those which have Distribution elements are of this status (can be null)

     * @param pageSize The maximum number of descriptions returned (can be null for all descriptions)

     * @param pageNumber The offset (in pageSize chunks) from the start of the result set (0 - based)

     * @param pageNumber The offset (in pageSize chunks) from the start of the result set (0 - based)

     * @param propertyPaths Properties to initialize in the returned entities, following the syntax described in {@link IBeanInitializer#initialize(Object, List)}

     * @return a Pager containing TaxonDescription instances

     */

    public Pager<TaxonDescription> searchDescriptionByDistribution(Set<NamedArea> namedAreas, PresenceAbsenceTerm presence, Integer pageSize, Integer pageNumber, List<OrderHint> orderHints, List<String> propertyPaths);

    /**

     * Returns a Paged List of DescriptionElementBase instances where the default field matches the String queryString (as interpreted by the Lucene QueryParser)

     *

     * @param clazz filter the results by class (or pass null to return all DescriptionElementBase instances)

     * @param queryString

     * @param pageSize The maximum number of descriptionElements returned (can be null for all matching descriptionElements)

     * @param pageNumber The offset (in pageSize chunks) from the start of the result set (0 - based)

     * @param orderHints

     *            Supports path like <code>orderHints.propertyNames</code> which

     *            include *-to-one properties like createdBy.username or

     *            authorTeam.persistentTitleCache

     * @param propertyPaths properties to be initialized

     * @return a Pager DescriptionElementBase instances

     * @see <a href="http://lucene.apache.org/java/2_4_0/queryparsersyntax.html">Apache Lucene - Query Parser Syntax</a>

     */

    public Pager<DescriptionElementBase> searchElements(Class<? extends DescriptionElementBase> clazz, String queryString, Integer pageSize, Integer pageNumber, List<OrderHint> orderHints, List<String> propertyPaths);

    /**

     * Returns a List of Media that are associated with a given description element

     *

     * @param descriptionElement the description element associated with these media

     * @param pageSize The maximum number of media returned (can be null for all related media)

     * @param pageNumber The offset (in pageSize chunks) from the start of the result set (0 - based)

     * @param propertyPaths properties to initialize - see {@link IBeanInitializer#initialize(Object, List)}

     * @return a Pager containing media instances

     *

     * FIXME candidate for harmonization - rename to pageMedia

     */

    public Pager<Media> getMedia(DescriptionElementBase descriptionElement, Integer pageSize, Integer pageNumber, List<String> propertyPaths);

    /**

     * Provides access to all DescriptionElements associated with the given Taxon

     * via a TaxonDescrition.

     *

     * @param taxon

     *            The Taxon to return Description elements for

     * @param features

     *            Restrict the results to those description elements which are

     *            scoped by one of the Features passed (can be null or empty)

     * @param type

     *            A filter for DescriptionElements of a specific class

     * @param pageSize

     *            The maximum number of description elements returned (can be

     *            null for all description elements)

     * @param pageNumber

     *            The offset (in pageSize chunks) from the start of the result

     *            set (0 - based)

     * @param propertyPaths

     *            Properties to initialize in the returned entities, following

     *            the syntax described in

     *            {@link IBeanInitializer#initialize(Object, List)}

     * @return a List containing all matching DescriptionElementBase instances

     *

     * @deprecated use {@link #listDescriptionElementsForTaxon(Taxon, Set, Class, Integer, Integer, List)} instead

     */

    @Deprecated

    public <T extends DescriptionElementBase> List<T>  getDescriptionElementsForTaxon(Taxon taxon, Set<Feature> features, Class<T> type, Integer pageSize, Integer pageNumber, List<String> propertyPaths);

    /**

     * Provides access to all DescriptionElements associated with the given Taxon

     * via a TaxonDescrition.

     *

     * @param taxon

     *            The Taxon to return Description elements for

     * @param features

     *            Restrict the results to those description elements which are

     *            scoped by one of the Features passed (can be null or empty)

     * @param type

     *            A filter for DescriptionElements of a specific class

     * @param pageSize

     *            The maximum number of description elements returned (can be

     *            null for all description elements)

     * @param pageNumber

     *            The offset (in pageSize chunks) from the start of the result

     *            set (0 - based)

     * @param propertyPaths

     *            Properties to initialize in the returned entities, following

     *            the syntax described in

     *            {@link IBeanInitializer#initialize(Object, List)}

     * @return a List containing all matching DescriptionElementBase instances

     *

     */

    public <T extends DescriptionElementBase> List<T>  listDescriptionElementsForTaxon(Taxon taxon, Set<Feature> features, Class<T> type, Integer pageSize, Integer pageNumber, List<String> propertyPaths);

    /**

     * Provides access to all DescriptionElements associated with the given Taxon

     * via a TaxonDescrition.

     *

     * @param taxon

     *            The Taxon to return Description elements for

     * @param features

     *            Restrict the results to those description elements which are

     *            scoped by one of the Features passed (can be null or empty)

     * @param type

     *            A filter for DescriptionElements of a specific class

     * @param pageSize

     *            The maximum number of description elements returned

     * @param pageNumber

     *            The offset (in pageSize chunks) from the start of the result

     *            set (0 - based)

     * @param propertyPaths

     *            Properties to initialize in the returned entities, following

     *            the syntax described in

     *            {@link IBeanInitializer#initialize(Object, List)}

     * @return a Pager for all matching DescriptionElementBase instances

     *

     */

    public <T extends DescriptionElementBase> Pager<T>  pageDescriptionElementsForTaxon(Taxon taxon, Set<Feature> features, Class<T> type, Integer pageSize, Integer pageNumber, List<String> propertyPaths);

    /**

     * @param taxonDescriptions

     * @param subAreaPreference

     *            enables the <b>Sub area preference rule</b> if set to true,

     *            see {@link DescriptionUtility#filterDistributions(Collection,

     *            boolean, boolean}

     * @param statusOrderPreference

     *            enables the <b>Status order preference rule</b> if set to

     *            true, see {@link

     *            DescriptionUtility#filterDistributions(Collection, boolean,

     *            boolean}

     * @param hideMarkedAreas

     *            distributions where the area has a {@link Marker} with one of

     *            the specified {@link MarkerType}s will be skipped, see

     *            {@link DescriptionUtility#filterDistributions(Collection, boolean, boolean, Set)}

     * @param omitLevels

     *            A Set NamedArea levels to omit - optional

     * @param propertyPaths

     *            the initialization strategy

     *

     * @return

     * @deprecated use {@link IEditGeoService#composeDistributionInfoFor()} instead

     */

    @Deprecated

    public DistributionTree getOrderedDistributions(

            Set<TaxonDescription> taxonDescriptions,

            boolean subAreaPreference,

            boolean statusOrderPreference,

            Set<MarkerType> hideMarkedAreas,

            Set<NamedAreaLevel> omitLevels, List<String> propertyPaths);

    /**

      * Generate a string representation of the structured <code>description</code> supplied in natural language

      * The <code>featureTree</code> will be used to structure the NaturalLanguageDescription.

      * This method does not require a initialization strategy so there is no <code>propertyPaths</code> parameter.

      * @param featureTree

      * @param description

      * @param preferredLanguages

      * @param separator

      * @return

      */

    public String generateNaturalLanguageDescription(FeatureTree featureTree,TaxonDescription description, List<Language> preferredLanguages, String separator);

    /**

     * Preliminary method to test whether a description contains structured data.

     * @deprecated The means of determining this fact may change soon, so this method is

                    annotated as being deprecated.

     * @param description

     * @return

     */

    @Deprecated

    public boolean hasStructuredData(DescriptionBase<?> description);

    /**

     * Add the collection of {@link DescriptionElementBase description elements} to the <code>targetDescription</code>.

     * Remove the description elements from the description they are currently associated with.

     *

     * @param descriptionElements

     * @param targetDescription

     * @param isPaste if true, the elements are only copied (cloned) and not removed from the

     * 	old description

     */

    public void moveDescriptionElementsToDescription(Collection<DescriptionElementBase> descriptionElements, DescriptionBase targetDescription, boolean isPaste);

    /**

     * Pager method to get all {@link NamedAreas} instances which are currently used

     * by {@link Distribution} elements.

     *

     * @param pageSize

     *            The maximum number of description elements returned

     * @param pageNumber

     *            The offset (in pageSize chunks) from the start of the result

     *            set (0 - based)

     * @param propertyPaths

     *            Properties to initialize in the returned entities, following

     *            the syntax described in

     *            {@link IBeanInitializer#initialize(Object, List)}

     * @return a Pager for all NamedAreas instances which are currently in use.

     *

     */

    public Pager<TermDto> pageNamedAreasInUse(boolean includeAllParents, Integer pageSize,

            Integer pageNumber);

	UUID deleteDescription(DescriptionBase description);

}