1 /** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 */ 19 package org.apache.hadoop.hbase; 20 21 /** 22 * Ways to keep cells marked for delete around. 23 */ 24 /* 25 * Don't change the TRUE/FALSE labels below, these have to be called 26 * this way for backwards compatibility. 27 */ 28 public enum KeepDeletedCells { 29 /** Deleted Cells are not retained. */ 30 FALSE, 31 /** 32 * Deleted Cells are retained until they are removed by other means 33 * such TTL or VERSIONS. 34 * If no TTL is specified or no new versions of delete cells are 35 * written, they are retained forever. 36 */ 37 TRUE, 38 /** 39 * Deleted Cells are retained until the delete marker expires due to TTL. 40 * This is useful when TTL is combined with MIN_VERSIONS and one 41 * wants to keep a minimum number of versions around but at the same 42 * time remove deleted cells after the TTL. 43 */ 44 TTL; 45 }