package org.kuali.ole.catalog.rule;
   
   import org.kuali.ole.OLEConstants;
   import org.kuali.ole.catalog.bo.OleShelvingScheme;
   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;
  
  /**
   * OleShelvingSchemeRule validates maintenance object for Shelving Scheme Maintenance Document
   */
  public class OleShelvingSchemeRule extends MaintenanceDocumentRuleBase {
  
      @Override
      protected boolean processCustomSaveDocumentBusinessRules(MaintenanceDocument document) {
          boolean isValid = true;
          OleShelvingScheme oleShelvingScheme = (OleShelvingScheme) document.getNewMaintainableObject().getDataObject();
  
          isValid &= validateShelvingSchemeCode(oleShelvingScheme);
          return isValid;
      }
  
      /**
       * This method  validates duplicate shelvingScheme Id and return boolean value.
       * @param oleShelvingScheme
       * @return  boolean
       */
      private boolean validateShelvingSchemeCode(OleShelvingScheme oleShelvingScheme) {
  
          if (oleShelvingScheme.getShelvingSchemeCode() != null) {
              Map<String, String> criteria = new HashMap<String, String>();
              criteria.put(OLEConstants.OleShelvingScheme.SHELVING_SCHEME_CD, oleShelvingScheme.getShelvingSchemeCode());
              List<OleShelvingScheme> shelvingSchemeCodeInDatabase = (List<OleShelvingScheme>) getBoService().findMatching(OleShelvingScheme.class, criteria);
              if ((shelvingSchemeCodeInDatabase.size() > 0)) {
                  for (OleShelvingScheme shelvingSchemeObj : shelvingSchemeCodeInDatabase) {
                      Integer shelvingSchemeId = shelvingSchemeObj.getShelvingSchemeId();
                      if (null == oleShelvingScheme.getShelvingSchemeId() || (oleShelvingScheme.getShelvingSchemeId().intValue() != shelvingSchemeId.intValue())) {
                          this.putFieldError(OLEConstants.OleShelvingScheme.SHELVING_SCHEME_CODE, "error.duplicate.code");
                          return false;
                      }
                  }
              }
          }
          return true;
      }
  }