content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.cassandra.db.rows;
  
  import org.apache.cassandra.db.DecoratedKey;
  import org.apache.cassandra.db.DeletionTime;
  import org.apache.cassandra.db.RegularAndStaticColumns;
  import org.apache.cassandra.db.transform.Transformation;
  import org.apache.cassandra.schema.TableMetadata;
  
  /**
   * Abstract class to make writing unfiltered iterators that wrap another iterator
   * easier. By default, the wrapping iterator simply delegate every call to
   * the wrapped iterator so concrete implementations will have to override some methods.
   * <p>
   * Note that if most of what you want to do is modifying/filtering the returned
   * {@code Unfiltered}, {@link org.apache.cassandra.db.transform.Transformation#apply(UnfilteredRowIterator, Transformation)}
   * can be a simpler option.
   */
  public interface WrappingUnfilteredRowIterator extends UnfilteredRowIterator
  {
      UnfilteredRowIterator wrapped();
  
      default TableMetadata metadata()
      {
          return wrapped().metadata();
      }
  
      default RegularAndStaticColumns columns()
      {
          return wrapped().columns();
      }
  
      default boolean isReverseOrder()
      {
          return wrapped().isReverseOrder();
      }
  
      default DecoratedKey partitionKey()
      {
          return wrapped().partitionKey();
      }
  
      default DeletionTime partitionLevelDeletion()
      {
          return wrapped().partitionLevelDeletion();
      }
  
      default Row staticRow()
      {
          return wrapped().staticRow();
      }
  
      default EncodingStats stats()
      {
          return wrapped().stats();
      }
  
      default boolean hasNext()
      {
          return wrapped().hasNext();
      }
  
      default Unfiltered next()
      {
          return wrapped().next();
      }
  
      default void close()
      {
          wrapped().close();
      }
  }