package org.kuali.ole.describe.keyvalue;
   
   import org.kuali.ole.describe.bo.OleShelvingOrder;
   import org.kuali.rice.core.api.util.ConcreteKeyValue;
   import org.kuali.rice.core.api.util.KeyValue;
   import org.kuali.rice.krad.keyvalues.KeyValuesBase;
   import org.kuali.rice.krad.service.KRADServiceLocator;
   
   import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  
  /**
   * ShelvingOrder used to render the values for ShelvingOrder dropdown control.
   */
  public class ShelvingOrder extends KeyValuesBase {
      /**
       * This method returns the List of ConcreteKeyValue,
       * ConcreteKeyValue has two arguments shelvingOrderCode and
       * shelvingOrderName.
       *
       * @return List<KeyValue>
       */
      @Override
      public List<KeyValue> getKeyValues() {
          List<KeyValue> options = new ArrayList<KeyValue>();
          Collection<OleShelvingOrder> oleShelvingOrders = KRADServiceLocator.getBusinessObjectService().findAll(OleShelvingOrder.class);
          options.add(new ConcreteKeyValue("", ""));
          for (OleShelvingOrder type : oleShelvingOrders) {
              options.add(new ConcreteKeyValue(type.getShelvingOrderCode(), type.getShelvingOrderName()));
          }
          return options;
      }
  }