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  package org.apache.cayenne.project.validation;
  
  import org.apache.cayenne.map.DataMap;
  import org.apache.cayenne.map.Procedure;
  import org.apache.cayenne.map.ProcedureQueryDescriptor;
  import org.apache.cayenne.validation.ValidationResult;
  
  import java.util.function.Supplier;
  
  class ProcedureQueryValidator extends BaseQueryValidator<ProcedureQueryDescriptor> {
  
      /**
       * @param configSupplier the config defining the behavior of this validator.
       * @since 5.0
       */
      public ProcedureQueryValidator(Supplier<ValidationConfig> configSupplier) {
          super(configSupplier);
      }
  
      @Override
      protected ConfigurationNodeValidator<ProcedureQueryDescriptor>.Performer<ProcedureQueryDescriptor> validateQuery(
              ProcedureQueryDescriptor query, ValidationResult validationResult) {
          return super.validateQuery(query, validationResult)
                  .performIfEnabled(Inspection.PROCEDURE_QUERY_NO_ROOT, this::checkForRoot)
                  .performIfEnabled(Inspection.PROCEDURE_QUERY_INVALID_ROOT, this::validateRoot);
      }
  
      private void checkForRoot(ProcedureQueryDescriptor query, ValidationResult validationResult) {
          DataMap map = query.getDataMap();
          Object root = query.getRoot();
  
          if (root == null && map != null) {
              addFailure(validationResult, query, "ProcedureQuery '%s' has no root", query.getName());
          }
      }
  
      private void validateRoot(ProcedureQueryDescriptor query, ValidationResult validationResult) {
          DataMap map = query.getDataMap();
          Object root = query.getRoot();
          if (root == null) {
              return;
          }
  
          // procedure query only supports procedure root
          if (root instanceof Procedure) {
              Procedure procedure = (Procedure) root;
  
              // procedure may have been deleted...
              if (map != null && map.getProcedure(procedure.getName()) != procedure) {
                  addFailure(validationResult, query, "ProcedureQuery '%s' has invalid Procedure root: %s",
                          query.getName(), procedure.getName());
              }
          } else if (root instanceof String) {
              if (map != null && map.getProcedure(root.toString()) == null) {
                  addFailure(validationResult, query, "ProcedureQuery '%s' has invalid Procedure root: %s",
                          query.getName(), root);
              }
          }
      }
  }
  