cdmlibrary/src/main/java/eu/etaxonomy/cdm/model/common/CdmBase.java

   1 package eu.etaxonomy.cdm.model.common;
   2
   3 import java.beans.PropertyChangeListener;
   4 import java.beans.PropertyChangeSupport;
   5 import java.beans.PropertyChangeEvent;
   6 import java.io.Serializable;
   7 import java.util.Calendar;
   8 import java.util.UUID;
   9
  10 import javax.persistence.Basic;
  11 import javax.persistence.Entity;
  12 import javax.persistence.FetchType;
  13 import javax.persistence.GeneratedValue;
  14 import javax.persistence.Id;
  15 import javax.persistence.Inheritance;
  16 import javax.persistence.InheritanceType;
  17 import javax.persistence.ManyToOne;
  18 import javax.persistence.MappedSuperclass;
  19 import javax.persistence.Table;
  20 import javax.persistence.Temporal;
  21 import javax.persistence.TemporalType;
  22 import javax.persistence.Transient;
  23
  24 import org.hibernate.annotations.Cascade;
  25 import org.hibernate.annotations.CascadeType;
  26
  27 import eu.etaxonomy.cdm.model.agent.Person;
  28
  29
  30 @MappedSuperclass
  31 public abstract class CdmBase implements Serializable{
  32         private PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(this);
  33         private int id;
  34         private UUID uuid;
  35         private Calendar created;
  36         private Person createdBy;
  37
  38         public CdmBase() {
  39                 this.uuid = UUID.randomUUID();
  40                 this.created = Calendar.getInstance();
  41         }
  42
  43
  44         public void addPropertyChangeListener(PropertyChangeListener listener) {
  45                 propertyChangeSupport.addPropertyChangeListener(listener);
  46         }
  47
  48         public void addPropertyChangeListener(String propertyName, PropertyChangeListener listener) {
  49                 propertyChangeSupport.addPropertyChangeListener(propertyName, listener);
  50         }
  51
  52         public void removePropertyChangeListener(String propertyName, PropertyChangeListener listener) {
  53                 propertyChangeSupport.removePropertyChangeListener(propertyName, listener);
  54         }
  55
  56         public void removePropertyChangeListener(PropertyChangeListener listener) {
  57                 propertyChangeSupport.removePropertyChangeListener(listener);
  58         }
  59
  60         @Transient
  61         public void hasListeners(String propertyName) {
  62                 propertyChangeSupport.hasListeners(propertyName);
  63         }
  64
  65         public void firePropertyChange(String property, String oldval, String newval) {
  66                 propertyChangeSupport.firePropertyChange(property, oldval, newval);
  67         }
  68         public void firePropertyChange(String property, int oldval, int newval) {
  69                 propertyChangeSupport.firePropertyChange(property, oldval, newval);
  70         }
  71         public void firePropertyChange(String property, float oldval, float newval) {
  72                 propertyChangeSupport.firePropertyChange(property, oldval, newval);
  73         }
  74         public void firePropertyChange(String property, boolean oldval, boolean newval) {
  75                 propertyChangeSupport.firePropertyChange(property, oldval, newval);
  76         }
  77         public void firePropertyChange(String property, Object oldval, Object newval) {
  78                 propertyChangeSupport.firePropertyChange(property, oldval, newval);
  79         }
  80         public void firePropertyChange(PropertyChangeEvent evt) {
  81                 propertyChangeSupport.firePropertyChange(evt);
  82         }
  83
  84         @Id
  85         @GeneratedValue(generator = "system-increment")
  86         public int getId() {
  87                 return this.id;
  88         }
  89         public void setId(int id) {
  90                 this.id = id;
  91         }
  92
  93
  94         public UUID getUuid() {
  95                 return this.uuid;
  96         }
  97         public void setUuid(UUID uuid) {
  98                 this.uuid = uuid;
  99         }
 100
 101
 102         @Temporal(TemporalType.TIMESTAMP)
 103         @Basic(fetch = FetchType.LAZY)
 104         public Calendar getCreated() {
 105                 return this.created;
 106         }
 107         public void setCreated(Calendar created) {
 108                 this.created = created;
 109         }
 110
 111
 112         @ManyToOne(fetch=FetchType.LAZY)
 113         @Cascade( { CascadeType.SAVE_UPDATE })
 114         public Person getCreatedBy() {
 115                 return this.createdBy;
 116         }
 117         public void setCreatedBy(Person createdBy) {
 118                 this.createdBy = createdBy;
 119         }
 120
 121
 122         @Override
 123         // equals if UUID and created timestamp are the same!
 124         public boolean equals(Object obj) {
 125                 if (CdmBase.class.isAssignableFrom(obj.getClass())){
 126                         CdmBase cdmObj = (CdmBase)obj;
 127                         if (cdmObj.getUuid().equals(this.getUuid()) && cdmObj.getCreated().equals(this.getCreated())){
 128                                 return true;
 129                         }
 130                 }
 131                 return false;
 132         }
 133
 134         @Override
 135         public String toString() {
 136                 return this.getClass().getSimpleName()+"<"+this.getUuid()+">";
 137         }
 138
 139 }