/*
* 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
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*/
package org.apache.cassandra.db.composites;
import java.nio.ByteBuffer;
import org.apache.cassandra.cql3.ColumnIdentifier;
import org.apache.cassandra.utils.Allocator;
import org.apache.cassandra.utils.ObjectSizes;
public class SimpleDenseCellName extends SimpleComposite implements CellName
{
// Not meant to be used directly, you should use the CellNameType method instead
SimpleDenseCellName(ByteBuffer element)
{
super(element);
}
public int clusteringSize()
{
return 1;
}
public ColumnIdentifier cql3ColumnName()
{
return null;
}
public ByteBuffer collectionElement()
{
return null;
}
public boolean isCollectionCell()
{
return false;
}
public boolean isSameCQL3RowAs(CellName other)
{
// Dense cell imply one cell by CQL row so no other cell will be the same row.
return equals(other);
}
@Override
public long memorySize()
{
return ObjectSizes.getSuperClassFieldSize(super.memorySize());
}
// If cellnames were sharing some prefix components, this will break it, so
// we might want to try to do better.
@Override
public CellName copy(Allocator allocator)
{
return new SimpleDenseCellName(allocator.clone(element));
}
}