package org.kuali.ole.catalog.rule;
   
   import org.kuali.ole.OLEConstants;
   import org.kuali.ole.catalog.bo.OleShelvingOrder;
   import org.kuali.rice.krad.maintenance.MaintenanceDocument;
   import org.kuali.rice.krad.rules.MaintenanceDocumentRuleBase;
   
   import java.util.HashMap;
   import java.util.List;
  import java.util.Map;
  
  /**
   * OleShelvingOrderRule validates maintenance object for Shelving Order Maintenance Document
   */
  public class OleShelvingOrderRule extends MaintenanceDocumentRuleBase {
  
      @Override
      protected boolean processCustomSaveDocumentBusinessRules(MaintenanceDocument document) {
          boolean isValid = true;
          OleShelvingOrder oleShelvingOrder = (OleShelvingOrder) document.getNewMaintainableObject().getDataObject();
  
          isValid &= validateShelvingOrderCode(oleShelvingOrder);
          return isValid;
      }
  
      /**
       * This method  validates duplicate shelvingOrder Id and return boolean value.
       * @param oleShelvingOrder
       * @return  boolean
       */
      private boolean validateShelvingOrderCode(OleShelvingOrder oleShelvingOrder) {
  
          if (oleShelvingOrder.getShelvingOrderCode() != null) {
              Map<String, String> criteria = new HashMap<String, String>();
              criteria.put(OLEConstants.OleShelvingOrder.SHELVING_ORDER_CD, oleShelvingOrder.getShelvingOrderCode());
              List<OleShelvingOrder> shelvingOrderCodeInDatabase = (List<OleShelvingOrder>) getBoService().findMatching(OleShelvingOrder.class, criteria);
              if ((shelvingOrderCodeInDatabase.size() > 0)) {
                  for (OleShelvingOrder shelvingOrderObj : shelvingOrderCodeInDatabase) {
                      Integer shelvingOrderId = shelvingOrderObj.getShelvingOrderId();
                      if (null == oleShelvingOrder.getShelvingOrderId() || (oleShelvingOrder.getShelvingOrderId().intValue() != shelvingOrderId.intValue())) {
                          this.putFieldError(OLEConstants.OleShelvingOrder.SHELVING_ORDER_CODE, "error.duplicate.code");
                          return false;
                      }
                  }
              }
          }
          return true;
      }
  }