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/*
 * 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
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 * See the License for the specific language governing permissions and
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 */
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.
 * 

* 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()); } }





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