How to use

org.drools.guvnor.models.commons.shared.rule.DSLVariableValue

constructor

public DSLVariableValue getSelectedValue() {
  int selectedIndex = resultWidget.getSelectedIndex();
  if ( selectedIndex != -1 ) {
    return new DSLVariableValue( resultWidget.getValue( selectedIndex ) );
  } else {
    return new DSLVariableValue( "" );
  }
}

  public void valueChanged( String newText,
               String newValue ) {
    makeDirty();
    selectedValue = new DSLVariableValue( newValue );
    //When the value changes we need to reset the content of *ALL* DSLSentenceWidget drop-downs.
    //An improvement would be to determine the chain of dependent drop-downs and only update
    //children of the one whose value changes. However in reality DSLSentences only contain
    //a couple of drop-downs so it's quicker to simply update them all.
    updateEnumDropDowns();
  }
};

  public DSLVariableValue getSelectedValue() {
    String value = this.resultWidget.getSelectedIndex() == 0 ? "true" : "false";
    return new DSLVariableValue( value );
  }
}

private DSLVariableValue parseValue( String variable ) {
  //if the variable doesn't have a ':', then it is considered as a 
  //simple value
  if ( !variable.contains( ":" ) ) {
    return new DSLVariableValue( variable );
  }
  //if it does containt a ':', then the part before it is considered
  //as the real value (used to create the final drl) and the part
  //after it is considered as an id
  String value = variable.substring( 0,
                    variable.indexOf( ":" ) );
  String id = variable.substring( variable.indexOf( ":" ) + 1 );
  return new DSLComplexVariableValue( id, value );
}

  public DSLVariableValue getSelectedValue() {
    return new DSLVariableValue( resultWidget.getDateString() );
  }
}

@Override
@SuppressWarnings({ "rawtypes", "unchecked" })
protected void addCurrentElementToCollection( HierarchicalStreamReader reader,
                       UnmarshallingContext context,
                       Collection collection,
                       Collection target ) {
  Object item = readItem( reader,
              context,
              collection );
  if ( item instanceof DSLVariableValue) {
    target.add( item );
  } else if ( item instanceof String ) {
    //The only other possible legacy type is a String, so using toString() should be OK
    DSLVariableValue value = new DSLVariableValue( item.toString() );
    target.add( value );
  }
}

private DSLVariableValue visitDSLVariableValue( DSLVariableValue value ) {
  DSLVariableValue clone = new DSLVariableValue();
  clone.setValue( value.getValue() );
  return clone;
}

public DSLVariableValue getSelectedValue() {
  //if oldVariableValue was of type DSLComplexVariableValue, then return a
  //copy of it with only the 'value' part modified
  if ( oldVariableValue instanceof DSLComplexVariableValue) {
    return new DSLComplexVariableValue( ( (DSLComplexVariableValue) oldVariableValue ).getId(),
                      box.getText() );
  }
  return new DSLVariableValue( box.getText() );
}