| /* |
| * 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(); |
| } |
| } |