001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase; 019 020import org.apache.yetus.audience.InterfaceAudience; 021 022/** 023 * Ways to keep cells marked for delete around. 024 */ 025/* 026 * Don't change the TRUE/FALSE labels below, these have to be called this way for backwards 027 * compatibility. 028 */ 029@InterfaceAudience.Public 030public enum KeepDeletedCells { 031 /** Deleted Cells are not retained. */ 032 FALSE, 033 /** 034 * Deleted Cells are retained until they are removed by other means such TTL or VERSIONS. If no 035 * TTL is specified or no new versions of delete cells are written, they are retained forever. 036 */ 037 TRUE, 038 /** 039 * Deleted Cells are retained until the delete marker expires due to TTL. This is useful when TTL 040 * is combined with MIN_VERSIONS and one wants to keep a minimum number of versions around but at 041 * the same time remove deleted cells after the TTL. 042 */ 043 TTL; 044 045 public static KeepDeletedCells getValue(String val) { 046 return valueOf(val.toUpperCase()); 047 } 048}