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  package org.apache.cayenne.dbsync.reverse.dbload;
  
  import java.sql.DatabaseMetaData;
  import java.sql.ResultSet;
  import java.sql.SQLException;
  
  import org.apache.cayenne.dba.DbAdapter;
  import org.apache.cayenne.dbsync.reverse.filters.CatalogFilter;
  import org.apache.cayenne.dbsync.reverse.filters.PatternFilter;
  import org.apache.cayenne.dbsync.reverse.filters.SchemaFilter;
  import org.apache.cayenne.map.Procedure;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class ProcedureLoader extends PerCatalogAndSchemaLoader {
  
      private static final Logger LOGGER = LoggerFactory.getLogger(DbLoader.class);
  
      ProcedureLoader(DbAdapter adapter, DbLoaderConfiguration config, DbLoaderDelegate delegate) {
          super(adapter, config, delegate);
      }
  
      @Override
      protected ResultSet getResultSet(String catalogName, String schemaName, DatabaseMetaData metaData) throws SQLException {
          return metaData.getProcedures(catalogName, schemaName, WILDCARD);
      }
  
      @Override
      protected boolean shouldLoad(CatalogFilter catalog, SchemaFilter schema) {
          PatternFilter filter = config.getFiltersConfig().proceduresFilter(catalog.name, schema.name);
          return !filter.isEmpty();
      }
  
      @Override
      protected void processResultSetRow(CatalogFilter catalog, SchemaFilter schema, DbLoadDataStore map, ResultSet rs) throws SQLException {
          PatternFilter filter = config.getFiltersConfig().proceduresFilter(catalog.name, schema.name);
          String name = rs.getString("PROCEDURE_NAME");
          if (!filter.isIncluded(name)) {
              LOGGER.info("skipping Cayenne PK procedure: " + name);
              return;
          }
  
          Procedure procedure = new Procedure(name);
          procedure.setCatalog(rs.getString("PROCEDURE_CAT"));
          procedure.setSchema(rs.getString("PROCEDURE_SCHEM"));
  
          switch (rs.getShort("PROCEDURE_TYPE")) {
              case DatabaseMetaData.procedureNoResult:
              case DatabaseMetaData.procedureResultUnknown:
                  procedure.setReturningValue(false);
                  break;
              case DatabaseMetaData.procedureReturnsResult:
                  procedure.setReturningValue(true);
                  break;
          }
          map.addProcedureSafe(procedure);
      }
  }
  