/*
* 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;
/**
* A counter update while it hasn't been applied yet by the leader replica.
*
* Contains a single counter update. When applied by the leader replica, this
* is transformed to a relevant CounterCell. This Cell is a temporary data
* structure that should never be stored inside a memtable or an sstable.
*/
public interface CounterUpdateCell extends Cell
{
public long delta();
}