/** * * 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.hadoop.hbase; import org.apache.hadoop.hbase.classification.InterfaceAudience; /** * Ways to keep cells marked for delete around. */ /* * Don't change the TRUE/FALSE labels below, these have to be called * this way for backwards compatibility. */ @InterfaceAudience.Public public enum KeepDeletedCells { /** Deleted Cells are not retained. */ FALSE, /** * Deleted Cells are retained until they are removed by other means * such TTL or VERSIONS. * If no TTL is specified or no new versions of delete cells are * written, they are retained forever. */ TRUE, /** * Deleted Cells are retained until the delete marker expires due to TTL. * This is useful when TTL is combined with MIN_VERSIONS and one * wants to keep a minimum number of versions around but at the same * time remove deleted cells after the TTL. */ TTL; }