package ca.uhn.hl7v2.conf.spec.message;
   
   import ca.uhn.hl7v2.conf.ProfileException;
   
   /**
    * An explicit data value specified in a message profile.  
    * @author Bryan Tripp
    */
   public class DataValue {
      
      /** Holds value of property exValue. */
      private String exValue;
      
      /** Utility field used by bound properties. */
      private final java.beans.PropertyChangeSupport propertyChangeSupport =  new java.beans.PropertyChangeSupport(this);
      
      /** Utility field used by constrained properties. */
      private final java.beans.VetoableChangeSupport vetoableChangeSupport =  new java.beans.VetoableChangeSupport(this);
      
      /** Creates a new instance of DataValue */
      public DataValue() {
      }
      
      /** Adds a PropertyChangeListener to the listener list.
       * @param l The listener to add.
       */
      public void addPropertyChangeListener(java.beans.PropertyChangeListener l) {
          propertyChangeSupport.addPropertyChangeListener(l);
      }
      
      /** Removes a PropertyChangeListener from the listener list.
       * @param l The listener to remove.
       */
      public void removePropertyChangeListener(java.beans.PropertyChangeListener l) {
          propertyChangeSupport.removePropertyChangeListener(l);
      }
      
      /** Adds a VetoableChangeListener to the listener list.
       * @param l The listener to add.
       */
      public void addVetoableChangeListener(java.beans.VetoableChangeListener l) {
          vetoableChangeSupport.addVetoableChangeListener(l);
      }
      
      /** Removes a VetoableChangeListener from the listener list.
       * @param l The listener to remove.
       */
      public void removeVetoableChangeListener(java.beans.VetoableChangeListener l) {
          vetoableChangeSupport.removeVetoableChangeListener(l);
      }
      
      /** Getter for property exValue.
       * @return Value of property exValue.
       */
      public String getExValue() {
          return this.exValue;
      }
      
      /** Setter for property exValue.
       * @param exValue New value of property exValue.
       *
       * @throws ProfileException
       */
      public void setExValue(String exValue) throws ProfileException {
          String oldExValue = this.exValue;
          try {
              vetoableChangeSupport.fireVetoableChange("exValue", oldExValue, exValue);
          } catch (Exception e) {
              throw new ProfileException(null, e);
          }
          this.exValue = exValue;
          propertyChangeSupport.firePropertyChange("exValue", oldExValue, exValue);
      }
      
  }