cdmlib-model/src/main/java/eu/etaxonomy/cdm/model/occurrence/DerivationEvent.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 import java.util.HashSet;
  13 import java.util.Set;
  14
  15 import javax.persistence.Entity;
  16 import javax.persistence.ManyToMany;
  17 import javax.persistence.ManyToOne;
  18 import javax.persistence.OneToMany;
  19
  20 import org.apache.log4j.Logger;
  21 import org.hibernate.annotations.Cascade;
  22 import org.hibernate.annotations.CascadeType;
  23
  24 import eu.etaxonomy.cdm.model.common.EventBase;
  25
  26 @Entity
  27 public class DerivationEvent extends EventBase{
  28         static Logger logger = Logger.getLogger(DerivationEvent.class);
  29
  30         private Set<SpecimenOrObservationBase> originals = new HashSet<SpecimenOrObservationBase>();
  31         protected Set<DerivedUnitBase> derivatives = new HashSet<DerivedUnitBase>();
  32         private DerivationEventType type;
  33
  34         /**
  35          * Factory method
  36          * @return
  37          */
  38         public static DerivationEvent NewInstance(){
  39                 return new DerivationEvent();
  40         }
  41
  42         /**
  43          * Constructor
  44          */
  45         protected DerivationEvent() {
  46                 super();
  47         }
  48
  49         @ManyToMany(mappedBy="derivationEvents")
  50         @Cascade({CascadeType.SAVE_UPDATE})
  51         public Set<SpecimenOrObservationBase> getOriginals() {
  52                 return originals;
  53         }
  54         protected void setOriginals(Set<SpecimenOrObservationBase> originals) {
  55                 this.originals = originals;
  56         }
  57         public void addOriginal(SpecimenOrObservationBase original) {
  58                 if (! this.originals.contains(original)){
  59                         this.originals.add(original);
  60                         original.addDerivationEvent(this);
  61                 }
  62         }
  63         public void removeOriginal(SpecimenOrObservationBase original) {
  64                 this.originals.remove(original);
  65         }
  66
  67
  68         @OneToMany(mappedBy="derivationEvent")
  69         @Cascade({CascadeType.SAVE_UPDATE})
  70         public Set<DerivedUnitBase> getDerivatives() {
  71                 return derivatives;
  72         }
  73         protected void setDerivatives(Set<DerivedUnitBase> derivatives) {
  74                 this.derivatives = derivatives;
  75         }
  76         public void addDerivative(DerivedUnitBase derivative) {
  77                 if (derivative != null){
  78                         derivative.setDerivedFrom(this);
  79                 }
  80         }
  81         public void removeDerivative(DerivedUnitBase derivative) {
  82                 if (derivative != null){
  83                         derivative.setDerivedFrom(null);
  84                 }
  85         }
  86
  87
  88         @ManyToOne
  89         public DerivationEventType getType() {
  90                 return type;
  91         }
  92         public void setType(DerivationEventType type) {
  93                 this.type = type;
  94         }
  95 }