hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/CompletedProcedureRetainer.java

   1 /**
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements.  See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership.  The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License.  You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18 package org.apache.hadoop.hbase.procedure2;
  19
  20 import org.apache.yetus.audience.InterfaceAudience;
  21
  22 /**
  23  * Hold the reference to a completed root procedure. Will be cleaned up after expired.
  24  */
  25 @InterfaceAudience.Private
  26 class CompletedProcedureRetainer<TEnvironment> {
  27   private final Procedure<TEnvironment> procedure;
  28   private long clientAckTime;
  29
  30   public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {
  31     this.procedure = procedure;
  32     clientAckTime = -1;
  33   }
  34
  35   public Procedure<TEnvironment> getProcedure() {
  36     return procedure;
  37   }
  38
  39   public boolean hasClientAckTime() {
  40     return clientAckTime != -1;
  41   }
  42
  43   public long getClientAckTime() {
  44     return clientAckTime;
  45   }
  46
  47   public void setClientAckTime(long clientAckTime) {
  48     this.clientAckTime = clientAckTime;
  49   }
  50
  51   public boolean isExpired(long now, long evictTtl, long evictAckTtl) {
  52     return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||
  53       (now - procedure.getLastUpdate()) >= evictTtl;
  54   }
  55 }