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 javax.persistence.Column;

import javax.persistence.Entity;

import javax.persistence.FetchType;

import javax.persistence.JoinColumn;

import javax.persistence.ManyToOne;

import javax.persistence.Transient;

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.XmlIDREF;

import javax.xml.bind.annotation.XmlSchemaType;

import javax.xml.bind.annotation.XmlType;

import org.apache.log4j.Logger;

import org.hibernate.annotations.Any;

import org.hibernate.envers.Audited;

import org.hibernate.envers.NotAudited;

/**

 * This class aims to make available some "flags" for identifiable entities in a

 * flexible way. Application developers (and even users) can define their own

 * "flags" as a MarkerType.

 * @author m.doering

 * @version 1.0

 * @created 08-Nov-2007 13:06:33

 */

@XmlAccessorType(XmlAccessType.FIELD)

@XmlType(name = "Marker")

@Entity

@Audited

public class Marker extends VersionableEntity implements Cloneable{

	private static final long serialVersionUID = -7474489691871404610L;

	@SuppressWarnings("unused")

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

    @XmlElement(name = "Flag")

	private boolean flag;

    @XmlElement(name = "MarkerType")

    @XmlIDREF

    @XmlSchemaType(name = "IDREF")

    @ManyToOne(fetch = FetchType.LAZY)

    @NotNull

	private MarkerType markerType;

    @XmlElement(name = "MarkedObject")

    @XmlIDREF

    @XmlSchemaType(name = "IDREF")

    @Any(metaDef = "CdmBase",

		     fetch=FetchType.LAZY, 

		     metaColumn = @Column(name="markedObj_type"),

		     optional = false)

	@JoinColumn(name = "markedObj_id")

	@NotAudited

	private AnnotatableEntity markedObj;

	/**

	 * Factory method

	 * @return

	 */

	public static Marker NewInstance(){

		return new Marker();

	}

	/**

	 * Factory method

	 * @param markerType The type of the marker

	 * @param flag The value of the marker

	 * @return

	 */

	public static Marker NewInstance(MarkerType markerType, boolean flag){

		return new Marker(markerType, flag);

	}

	public static Marker NewInstance(AnnotatableEntity annotatedObject, boolean flag, MarkerType markerType){

		Marker marker = new Marker();

		marker.setFlag(flag);

		marker.setMarkerType(markerType);

		annotatedObject.addMarker(marker);

		return marker;

	}

	/**

	 * Default Constructor

	 */

	private Marker() {

	}

	/**

	 * Constructor

	 * @param flag

	 */

	protected Marker(MarkerType markerType, boolean flag){

		this.markerType = markerType;

		this.flag = flag;

	}

	/**

	 * @return

	 */

	public AnnotatableEntity getMarkedObj() {

		return markedObj;

	}

	public void setMarkedObj(AnnotatableEntity newMarkedObject) {

		this.markedObj = newMarkedObject;

	}

	/**

	 * @return

	 */

	public MarkerType getMarkerType(){

		return this.markerType;

	}

	public void setMarkerType(MarkerType type){

		this.markerType = type;

	}

	/**

	 * The flag value.

	 * @return

	 */

	public boolean getFlag(){

		return this.flag;

	}

	public void setFlag(boolean flag){

		this.flag = flag;

	}

	/**

	 * @see getFlag()

	 * @return

	 */

	@Transient

	public boolean getValue(){

		return getFlag();

	}

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

	/* (non-Javadoc)

	 * @see java.lang.Object#clone()

	 */

	@Override

	public Object clone() throws CloneNotSupportedException{

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

		result.setFlag(this.flag);

		result.setMarkerType(this.markerType);

		return result;

	}

	/**

	 * Clones this marker and sets the clones marked object to 'markedObject'

	 * @see java.lang.Object#clone()

	 */

	public Marker clone(AnnotatableEntity markedObject) throws CloneNotSupportedException{

		Marker result = (Marker)clone();

		result.setMarkedObj(markedObject);

		return result;

	}

}