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  package org.apache.cayenne.modeler.editor.dbimport;
  
  import java.util.function.BiFunction;
  
  import org.apache.cayenne.dbsync.reverse.dbimport.FilterContainer;
  import org.apache.cayenne.dbsync.reverse.dbimport.IncludeTable;
  import org.apache.cayenne.modeler.dialog.db.load.DbImportTreeNode;
  
  public class PrintColumnsBiFunction implements BiFunction<FilterContainer, DbImportTreeNode, Void> {
  
      private final DbImportTree dbImportTree;
  
      public PrintColumnsBiFunction(DbImportTree dbImportTree) {
          this.dbImportTree = dbImportTree;
      }
  
      @Override
      public Void apply(FilterContainer filterContainer, DbImportTreeNode root) {
          if (filterContainer != null) {
              filterContainer.getIncludeTables().forEach(tableFilter -> processTable(tableFilter, root));
          }
          return null;
      }
  
      private void processTable(IncludeTable tableFilter, DbImportTreeNode root) {
          DbImportModel model = (DbImportModel) dbImportTree.getModel();
          DbImportTreeNode container = dbImportTree
                  .findNodeInParent(root, tableFilter);
          if (container == null) {
              return;
          }
          if (container.getChildCount() != 0) {
              container.removeAllChildren();
          }
  
          dbImportTree.packColumns(tableFilter, container);
  
          container.setLoaded(true);
          dbImportTree.reloadModelKeepingExpanded(container);
      }
  }
  