package gw.rating.rtm.valueprovider
uses gw.rating.rtm.domain.PersistenceAdapter
uses gw.rating.rtm.domain.table.RateTableCell
uses java.util.Map

/**
 * An implementation of an empty value provider.
 * It does not support any optional attributes.
 */
class UnboundValueProvider extends RateTableCellValueProvider {

  construct(column : RateTableColumn) {
    super(column)
  }

  /**
   * Returns an empty array.
   */
  override function getValues(adapter : PersistenceAdapter) : String[] {
    return {}
  }

  /**
   * Always returns the code itself.
   */
  override function valueByCode(adapter : PersistenceAdapter, code : String) : String {
    return code
  }

  /**
   * Always return true - any code is valid.
   */
  override function containsCodeFor(cell : RateTableCell) : boolean {
    return true
  }

  /**
   * Always returns false.
   */
  override property get HasCodedValue() : boolean {
    return false  
  }

  override function getValueMap(args : String[]) : Map<String, String> {
    return {}
  }

}