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package eu.etaxonomy.cdm.api.service;

import java.util.List;

import java.util.Map;

import java.util.Set;

import java.util.UUID;

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

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

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

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

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

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

public interface IWorkingSetService extends IAnnotatableService<WorkingSet> {

	/**

	 * Returns a Map of descriptions each with the descriptionelements that match the supplied features (or all description elements if no features are supplied)

	 * 

	 * @param workingSet the working set which the descriptions belong to

	 * @param features restrict the returned description elements to those which have features in this set

	 * @param pageSize The maximum number of descriptions returned (can be null for all descriptions that belong to the working set)

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

	 *                   can be null, equivalent of starting at the beginning of the recordset). Descriptions are sorted by titleCache

	 * @param propertyPaths properties to be initialized (applied to the descriptionElements)

	 * @return

	 */

	public Map<DescriptionBase, Set<DescriptionElementBase>> getDescriptionElements(WorkingSet workingSet, Set<Feature> features, Integer pageSize,	Integer pageNumber,	List<String> propertyPaths);

	public <T extends DescriptionElementBase> Map<UuidAndTitleCache, Map<UUID, Set<T>>> getTaxonFeatureDescriptionElementMap(Class<T> clazz, UUID workingSetUuid, DescriptiveSystemRole role);

}