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.model.common;

import javax.persistence.Column;

import javax.persistence.Entity;

import javax.persistence.FetchType;

import javax.persistence.ManyToOne;

import javax.xml.bind.annotation.XmlAccessType;

import javax.xml.bind.annotation.XmlAccessorType;

import javax.xml.bind.annotation.XmlElement;

import javax.xml.bind.annotation.XmlIDREF;

import javax.xml.bind.annotation.XmlSchemaType;

import javax.xml.bind.annotation.XmlType;

import org.apache.commons.lang.StringUtils;

import org.apache.log4j.Logger;

import org.hibernate.annotations.Index;

import org.hibernate.annotations.Table;

import org.hibernate.envers.Audited;

import org.hibernate.search.annotations.Field;

import eu.etaxonomy.cdm.validation.annotation.NullOrNotEmpty;

/**

 * @author a.mueller

 * @date 2014-06-30

 */

@XmlAccessorType(XmlAccessType.FIELD)

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

    "identifier",

    "type"

})

@Entity

@Audited

@Table(appliesTo="Identifier", indexes = { @Index(name = "identifierIndex", columnNames = { "identifier" }) })

public class Identifier<T extends IdentifiableEntity<?>> extends AnnotatableEntity implements Cloneable {

	private static final long serialVersionUID = 3337567049024506936L;

	@SuppressWarnings("unused")

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

	@XmlElement(name ="Identifier" )

	@Column(length=800, name="identifier")

	@Field

    @NullOrNotEmpty

	private String identifier;

    @XmlElement(name = "Type")

    @XmlIDREF

    @XmlSchemaType(name = "IDREF")

    @ManyToOne(fetch = FetchType.LAZY)

	private DefinedTerm type;

// **************************** FACTORY ******************************/

    public static <T extends IdentifiableEntity<?>> Identifier<T> NewInstance(String identifier, DefinedTerm type){

    	return new Identifier<T>(identifier, type);

    }

    public static <T extends IdentifiableEntity<?>> Identifier<T> NewInstance(IdentifiableEntity identifiableEntity,

            String identifier, DefinedTerm type){

        Identifier<T> result = new Identifier<T>(identifier, type);

        identifiableEntity.addIdentifier(result);

        return result;

    }

// ************************* CONSTRUCTOR ************************************

    @Deprecated  //for hibernate use only

    protected Identifier(){};

    public Identifier (String identifier, DefinedTerm type){

    	this.identifier = identifier;

    	this.type = type;

    }

// ****************** GETTER / SETTER **********************/

	public String getIdentifier() {

		return identifier;

	}

	public void setIdentifier(String identifier) {

		this.identifier = StringUtils.isBlank(identifier) ? null : identifier;

	}

	/**

	 * The identifier type. E.g. DOI, LSID, Barcode, Sample Designation, ...

	 * @see TermType#IdentifierType

	 * @return

	 */

	public DefinedTerm getType() {

		return type;

	}

	public void setType(DefinedTerm identifierType) {

		this.type = identifierType;

	}

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

	@Override

	public Object clone() throws CloneNotSupportedException{

		Identifier<?> result = (Identifier<?>)super.clone();

		//no changes to: type, value

		return result;

	}

}