/** * 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.Collection; import java.security.MessageDigest; import org.apache.cassandra.db.marshal.AbstractType; public interface IColumn { public static short UtfPrefix_ = 2; public static final int MAX_NAME_LENGTH = 0xFFFF; // we use 2 bytes to hold length public boolean isMarkedForDelete(); public long getMarkedForDeleteAt(); public long mostRecentLiveChangeAt(); public byte[] name(); public int size(); public int serializedSize(); public long timestamp(); public byte[] value(); public Collection<IColumn> getSubColumns(); public IColumn getSubColumn(byte[] columnName); public void addColumn(IColumn column); public IColumn diff(IColumn column); public int getObjectCount(); public void updateDigest(MessageDigest digest); public int getLocalDeletionTime(); // for tombstone GC, so int is sufficient granularity public String getString(AbstractType comparator); }