| /* |
| * 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; |
| |
| import java.util.Objects; |
| |
| import org.apache.cassandra.db.rows.RangeTombstoneMarker; |
| |
| /** |
| * A range tombstone is a tombstone that covers a slice/range of rows. |
| * <p> |
| * Note that in most of the storage engine, a range tombstone is actually represented by its separated |
| * opening and closing bound, see {@link RangeTombstoneMarker}. So in practice, this is only used when |
| * full partitions are materialized in memory in a {@code Partition} object, and more precisely through |
| * the use of a {@code RangeTombstoneList} in a {@code DeletionInfo} object. |
| */ |
| public class RangeTombstone |
| { |
| private final Slice slice; |
| private final DeletionTime deletion; |
| |
| public RangeTombstone(Slice slice, DeletionTime deletion) |
| { |
| this.slice = slice; |
| this.deletion = deletion; |
| } |
| |
| /** |
| * The slice of rows that is deleted by this range tombstone. |
| * |
| * @return the slice of rows that is deleted by this range tombstone. |
| */ |
| public Slice deletedSlice() |
| { |
| return slice; |
| } |
| |
| /** |
| * The deletion time for this (range) tombstone. |
| * |
| * @return the deletion time for this range tombstone. |
| */ |
| public DeletionTime deletionTime() |
| { |
| return deletion; |
| } |
| |
| public String toString(ClusteringComparator comparator) |
| { |
| return slice.toString(comparator) + '@' + deletion; |
| } |
| |
| @Override |
| public boolean equals(Object other) |
| { |
| if(!(other instanceof RangeTombstone)) |
| return false; |
| |
| RangeTombstone that = (RangeTombstone)other; |
| return this.deletedSlice().equals(that.deletedSlice()) |
| && this.deletionTime().equals(that.deletionTime()); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return Objects.hash(deletedSlice(), deletionTime()); |
| } |
| } |