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}