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* 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 RangeTombstoneMarker
. So in practice, this is only used when full partitions are materialized in memory in a Partition
object, and more precisely through the use of a RangeTombstoneList
in a DeletionInfo
object.
/**
* 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.
Returns: the slice of rows that is deleted by this range tombstone.
/**
* 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.
Returns: the deletion time for this range tombstone.
/**
* 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());
}
}