EDIT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        /**

* 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.model.common;

import java.util.HashSet;

import java.util.Set;

import javax.persistence.FetchType;

import javax.persistence.MappedSuperclass;

import javax.persistence.OneToMany;

import javax.validation.constraints.NotNull;

import javax.xml.bind.annotation.XmlAccessType;

import javax.xml.bind.annotation.XmlAccessorType;

import javax.xml.bind.annotation.XmlElement;

import javax.xml.bind.annotation.XmlElementWrapper;

import javax.xml.bind.annotation.XmlType;

import org.apache.log4j.Logger;

import org.hibernate.annotations.Cascade;

import org.hibernate.annotations.CascadeType;

import eu.etaxonomy.cdm.strategy.merge.Merge;

import eu.etaxonomy.cdm.strategy.merge.MergeMode;

/**

 * Abstract superclass implementing human annotations and machine markers to be assigned to CDM objects.

 * @author m.doering

 * @version 1.0

 * @created 08-Nov-2007 13:06:10

 */

@XmlAccessorType(XmlAccessType.FIELD)

@XmlType(name = "AnnotatableEntity", propOrder = {

    "markers",

    "annotations"

})

@MappedSuperclass

public abstract class AnnotatableEntity extends VersionableEntity {

	private static final long serialVersionUID = 9151211842542443102L;

	@SuppressWarnings("unused")

	private static final Logger logger = Logger.getLogger(AnnotatableEntity.class);

	@XmlElementWrapper(name = "Markers", nillable = true)

	@XmlElement(name = "Marker")

	@OneToMany(fetch=FetchType.LAZY)

	@Cascade({CascadeType.SAVE_UPDATE, CascadeType.MERGE, CascadeType.DELETE, CascadeType.DELETE_ORPHAN})

	@Merge(MergeMode.ADD_CLONE)

	protected Set<Marker> markers;

	@XmlElementWrapper(name = "Annotations", nillable = true)

	@XmlElement(name = "Annotation")

	@OneToMany(fetch=FetchType.LAZY)

	@Cascade({CascadeType.SAVE_UPDATE, CascadeType.MERGE, CascadeType.DELETE, CascadeType.DELETE_ORPHAN})

	@Merge(MergeMode.ADD_CLONE)

	protected Set<Annotation> annotations;

	protected AnnotatableEntity() {

		super();

	}

//*************** MARKER **********************************************

	public Set<Marker> getMarkers(){

		if(markers == null) {

			this.markers = new HashSet<Marker>();

		}

		return this.markers;

	}

	public void addMarker(Marker marker){

		if (marker != null){

			marker.setMarkedObj(this);

			getMarkers().add(marker);

		}

	}

	public void removeMarker(Marker marker){

		if(getMarkers().contains(marker)) {

			getMarkers().remove(marker);

		    marker.setMarkedObj(null);

		}

	}

//*************** ANNOTATIONS **********************************************

	public Set<Annotation> getAnnotations(){

		if(annotations == null) {

			this.annotations = new HashSet<Annotation>();

		}

		return this.annotations;

	}

	public void addAnnotation(Annotation annotation){

		if (annotation != null){

			annotation.setAnnotatedObj(this);

			getAnnotations().add(annotation);

		}

	}

	public void removeAnnotation(Annotation annotation){

		if(getAnnotations().contains(annotation)) {

			getAnnotations().remove(annotation);

		    annotation.setAnnotatedObj(null);

		}

	}

//********************** CLONE *****************************************/

	/* (non-Javadoc)

	 * @see eu.etaxonomy.cdm.model.common.VersionableEntity#clone()

	 */

	@Override

	public Object clone() throws CloneNotSupportedException{

		AnnotatableEntity result = (AnnotatableEntity)super.clone();

		//Annotations

		result.annotations = new HashSet<Annotation>();

		for (Annotation annotation : getAnnotations()){

			Annotation newAnnotation = (Annotation)annotation.clone();

			result.addAnnotation(newAnnotation);

		}

		//Markers

		result.markers = new HashSet<Marker>();

		for (Marker marker : getMarkers()){

			Marker newMarker = (Marker)marker.clone();

			result.addMarker(newMarker);

		}

		//no changes to: -

		return result;

	}

}