| /* |
| * 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 java.util.Iterator; |
| |
| import org.apache.cassandra.db.Slice; |
| |
| public interface SliceableUnfilteredRowIterator extends UnfilteredRowIterator |
| { |
| /** |
| * Move forward (resp. backward if isReverseOrder() is true for the iterator) in |
| * the iterator and return an iterator over the Unfiltered selected by the provided |
| * {@code slice}. |
| * <p> |
| * Please note that successive calls to {@code slice} are allowed provided the |
| * slice are non overlapping and are passed in clustering (resp. reverse clustering) order. |
| * However, {@code slice} is allowed to leave the iterator in an unknown state and there |
| * is no guarantee over what a call to {@code hasNext} or {@code next} will yield after |
| * a call to {@code slice}. In other words, for a given iterator, you should either use |
| * {@code slice} or {@code hasNext/next} but not both. |
| */ |
| public Iterator<Unfiltered> slice(Slice slice); |
| } |