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.procedure2; 019 020import org.apache.yetus.audience.InterfaceAudience; 021 022/** 023 * Hold the reference to a completed root procedure. Will be cleaned up after expired. 024 */ 025@InterfaceAudience.Private 026class CompletedProcedureRetainer<TEnvironment> { 027 private final Procedure<TEnvironment> procedure; 028 private long clientAckTime; 029 030 public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) { 031 this.procedure = procedure; 032 clientAckTime = -1; 033 } 034 035 public Procedure<TEnvironment> getProcedure() { 036 return procedure; 037 } 038 039 public boolean hasClientAckTime() { 040 return clientAckTime != -1; 041 } 042 043 public long getClientAckTime() { 044 return clientAckTime; 045 } 046 047 public void setClientAckTime(long clientAckTime) { 048 this.clientAckTime = clientAckTime; 049 } 050 051 public boolean isExpired(long now, long evictTtl, long evictAckTtl) { 052 return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) 053 || (now - procedure.getLastUpdate()) >= evictTtl; 054 } 055}