cdmlib-model/src/main/java/eu/etaxonomy/cdm/model/occurrence/DerivedUnit.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.cdm.model.occurrence;
  11
  12
  13 import org.apache.log4j.Logger;
  14 import org.hibernate.envers.Audited;
  15 import org.hibernate.search.annotations.Indexed;
  16 import org.springframework.beans.factory.annotation.Configurable;
  17
  18 import eu.etaxonomy.cdm.strategy.cache.common.IIdentifiableEntityCacheStrategy;
  19 import eu.etaxonomy.cdm.strategy.cache.common.IdentifiableEntityDefaultCacheStrategy;
  20
  21 import javax.persistence.*;
  22 import javax.xml.bind.annotation.XmlAccessType;
  23 import javax.xml.bind.annotation.XmlAccessorType;
  24 import javax.xml.bind.annotation.XmlRootElement;
  25
  26 /**
  27  * @author p.kelbert
  28  */
  29 @XmlAccessorType(XmlAccessType.FIELD)
  30 @XmlRootElement(name = "DerivedUnit")
  31 @Entity
  32 @Indexed(index = "eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase")
  33 @Audited
  34 @Configurable
  35 public class DerivedUnit extends DerivedUnitBase<IIdentifiableEntityCacheStrategy<DerivedUnit>> implements Cloneable{
  36         /**
  37          *
  38          */
  39         private static final long serialVersionUID = 1L;
  40         private static final Logger logger = Logger.getLogger(DerivedUnit.class);
  41
  42         /**
  43          * Factory method
  44          * @return
  45          */
  46         public static DerivedUnit NewInstance(){
  47                 return new DerivedUnit();
  48         }
  49
  50         /**
  51          * Constructor
  52          */
  53         protected DerivedUnit() {
  54                 super();
  55                 this.cacheStrategy = new IdentifiableEntityDefaultCacheStrategy<DerivedUnit>();
  56         }
  57
  58 //*********** CLONE **********************************/
  59
  60         /**
  61          * Clones <i>this</i> observation. This is a shortcut that enables to
  62          * create a new instance that differs only slightly from <i>this</i> observation
  63          * by modifying only some of the attributes.<BR>
  64          * This method overrides the clone method from {@link DerivedUnitBase DerivedUnitBase}.
  65          *
  66          * @see DerivedUnitBase#clone()
  67          * @see eu.etaxonomy.cdm.model.media.IdentifiableMediaEntity#clone()
  68          * @see java.lang.Object#clone()
  69          */
  70         @Override
  71         public DerivedUnit clone(){
  72                 try{
  73                         DerivedUnit result = (DerivedUnit)super.clone();
  74                         //no changes to: -
  75                         return result;
  76                 } catch (CloneNotSupportedException e) {
  77                         logger.warn("Object does not implement cloneable");
  78                         e.printStackTrace();
  79                         return null;
  80                 }
  81         }
  82
  83
  84 }