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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy 
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* http://www.e-taxonomy.eu
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* 
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.persistence.dao.common;
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import java.util.List;
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import eu.etaxonomy.cdm.model.common.AnnotatableEntity;
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import eu.etaxonomy.cdm.model.common.Annotation;
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import eu.etaxonomy.cdm.model.common.MarkerType;
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import eu.etaxonomy.cdm.model.common.Marker;
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import eu.etaxonomy.cdm.persistence.dao.BeanInitializer;
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import eu.etaxonomy.cdm.persistence.query.Grouping;
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import eu.etaxonomy.cdm.persistence.query.OrderHint;
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/**
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 * @author n.hoffmann
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 * @created 24.09.2008
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 * @version 1.0
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 */
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public interface IAnnotatableDao<T extends AnnotatableEntity> extends IVersionableDao<T>{
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	/**
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	 * Returns a List of Annotations belonging to the supplied AnnotatableEntity
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	 * 
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	 * @param annotatableEntity the entity which is annotated
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	 * @param status The status of the annotations (null to return annotations regardless of status)
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	 * @param pageSize The maximum number of annotations returned (can be null for all annotations)
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	 * @param pageNumber The offset (in pageSize chunks) from the start of the result set (0 - based)
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	 * @param orderHints may be null
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	 * @param propertyPaths properties to initialize - see {@link BeanInitializer#initialize(Object, List)}
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	 * @return a List of Annotation instances
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	 */
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    public List<Annotation> getAnnotations(T annotatableEntity, MarkerType status, Integer pageSize, Integer pageNumber, List<OrderHint> orderHints, List<String> propertyPaths);
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    /**
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	 * Returns a count of Annotations belonging to the supplied AnnotatableEntity
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	 * 
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	 * @param annotatableEntity the entity which is annotated
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	 * @param status The status of the annotations (null to count all annotations regardless of status)
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	 * @return a count of Annotation instances
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	 */
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	public int countAnnotations(T annotatableEntity, MarkerType status);
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	/**
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	 * Returns a count of Markers belonging to the supplied AnnotatableEntity 
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	 * 
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	 * @param annotatableEntity the entity which is marked
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	 * @param technical The type of MarkerTypes to consider (null to count all markers, regardless of whether the makerType is technical or not)
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	 * @return a count of Marker instances
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	 */
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	public int countMarkers(T annotatableEntity, Boolean technical);
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	/**
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	 * 
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	 * @param annotatableEntity the entity which is marked
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	 * @param technical The type of MarkerTypes to consider (null to count all markers, regardless of whether the makerType is technical or not)
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	 * @param pageSize The maximum number of markers returned (can be null for all markers)
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	 * @param pageNumber The offset (in pageSize chunks) from the start of the result set (0 - based)
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	 * @param orderHints may be null
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	 * @param propertyPaths properties to initialize - see {@link BeanInitializer#initialize(Object, List)}
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	 * @return a List of Marker instances
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	 */
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	public List<Marker> getMarkers(T annotatableEntity, Boolean technical, Integer pageSize, Integer pageNumber, List<OrderHint> orderHints, List<String> propertyPaths);
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	/**
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	 * Returns a list of arrays representing counts of entities of type clazz, grouped by their markerTypes. The arrays have two elements. 
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	 * The first element is the MarkerType, initialized using the propertyPaths parameter. The second element is the count of all markers of Objects
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	 * of type clazz with that MarkerType. The boolean technical can be used to choose only technical or only non-technical marker types. The list is sorted by
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	 * titleCache of the markerType, in ascending order.
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	 * 
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	 * @param clazz optionally restrict the markers to those belonging to this class
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	 * @param technical The type of MarkerTypes to consider (null to count all markers, regardless of whether the makerType is technical or not)
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	 * @param pageSize The maximum number of arrays returned (can be null for all arrays)
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	 * @param pageNumber The offset (in pageSize chunks) from the start of the result set (0 - based)
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	 * @param propertyPaths properties to initialize - see {@link BeanInitializer#initialize(Object, List)}
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	 * @return
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	 */
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	public List<Object[]> groupMarkers(Class<? extends T> clazz, Boolean technical, Integer pageSize, Integer pageNumber, List<String> propertyPaths);
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	/**
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	 * returns a count of all markers belonging to that clazz, optionally filtered to include only technical or only non-technical markers.
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	 * 
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	 * @param clazz optionally restrict the markers to those belonging to this class
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	 * @param technical The type of MarkerTypes to consider (null to count all markers, regardless of whether the makerType is technical or not)
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	 * @return a count of markers
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	 */
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	public int countMarkers(Class<? extends T> clazz, Boolean technical);
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}
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