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  package org.apache.cayenne.modeler.editor.dbimport;
  
  import java.util.Collection;
  import java.util.Collections;
  import java.util.function.BiFunction;
  
  import org.apache.cayenne.dbsync.reverse.dbimport.FilterContainer;
  import org.apache.cayenne.dbsync.reverse.dbimport.IncludeColumn;
  import org.apache.cayenne.dbsync.reverse.dbimport.IncludeTable;
  import org.apache.cayenne.modeler.dialog.db.load.DbImportTreeNode;
  import org.apache.cayenne.modeler.dialog.db.load.TransferableNode;
  
  public class PrintTablesBiFunction implements BiFunction<FilterContainer, DbImportTreeNode, Void> {
  
      private DbImportTree dbImportTree;
  
      public PrintTablesBiFunction(DbImportTree dbImportTree) {
          this.dbImportTree = dbImportTree;
      }
  
      @Override
      public Void apply(FilterContainer filterContainer, DbImportTreeNode root) {
          boolean isTransferable = dbImportTree.isTransferable();
          if (root.getChildCount() != 0) {
              root.removeAllChildren();
          }
          Collection<IncludeTable> includeTables = filterContainer.getIncludeTables();
          for (IncludeTable includeTable : includeTables) {
              DbImportTreeNode node = !isTransferable ?
                      new DbImportTreeNode(includeTable) :
                      new TransferableNode(includeTable);
              if (isTransferable &&
                      includeTable.getIncludeColumns().isEmpty() &&
                      includeTable.getExcludeColumns().isEmpty()) {
                  dbImportTree.printParams(Collections.singletonList(
                          new IncludeColumn("Loading...")), node);
              }
              root.add(node);
              dbImportTree.packColumns(includeTable, node);
          }
          dbImportTree.reloadModelKeepingExpanded(root);
  
          return null;
      }
  }
  