hbase-client/src/main/java/org/apache/hadoop/hbase/ServerTaskBuilder.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;
  19
  20 import org.apache.yetus.audience.InterfaceAudience;
  21
  22 /** Builder for information about active monitored server tasks */
  23 @InterfaceAudience.Private
  24 public final class ServerTaskBuilder {
  25
  26   public static ServerTaskBuilder newBuilder() {
  27     return new ServerTaskBuilder();
  28   }
  29
  30   private String description = "";
  31   private String status = "";
  32   private ServerTask.State state = ServerTask.State.RUNNING;
  33   private long startTime;
  34   private long completionTime;
  35
  36   private ServerTaskBuilder() { }
  37
  38   private static final class ServerTaskImpl implements ServerTask {
  39
  40     private final String description;
  41     private final String status;
  42     private final ServerTask.State state;
  43     private final long startTime;
  44     private final long completionTime;
  45
  46     private ServerTaskImpl(final String description, final String status,
  47         final ServerTask.State state, final long startTime, final long completionTime) {
  48       this.description = description;
  49       this.status = status;
  50       this.state = state;
  51       this.startTime = startTime;
  52       this.completionTime = completionTime;
  53     }
  54
  55     @Override
  56     public String getDescription() {
  57       return description;
  58     }
  59
  60     @Override
  61     public String getStatus() {
  62       return status;
  63     }
  64
  65     @Override
  66     public State getState() {
  67       return state;
  68     }
  69
  70     @Override
  71     public long getStartTime() {
  72       return startTime;
  73     }
  74
  75     @Override
  76     public long getCompletionTime() {
  77       return completionTime;
  78     }
  79
  80     @Override
  81     public String toString() {
  82       StringBuilder sb = new StringBuilder(512);
  83       sb.append(getDescription());
  84       sb.append(": status=");
  85       sb.append(getStatus());
  86       sb.append(", state=");
  87       sb.append(getState());
  88       sb.append(", startTime=");
  89       sb.append(getStartTime());
  90       sb.append(", completionTime=");
  91       sb.append(getCompletionTime());
  92       return sb.toString();
  93     }
  94
  95   }
  96
  97   public ServerTaskBuilder setDescription(final String description) {
  98     this.description = description;
  99     return this;
 100   }
 101
 102   public ServerTaskBuilder setStatus(final String status) {
 103     this.status = status;
 104     return this;
 105   }
 106
 107   public ServerTaskBuilder setState(final ServerTask.State state) {
 108     this.state = state;
 109     return this;
 110   }
 111
 112   public ServerTaskBuilder setStartTime(final long startTime) {
 113     this.startTime = startTime;
 114     return this;
 115   }
 116
 117   public ServerTaskBuilder setCompletionTime(final long completionTime) {
 118     this.completionTime = completionTime;
 119     return this;
 120   }
 121
 122   public ServerTask build() {
 123     return new ServerTaskImpl(description, status, state, startTime, completionTime);
 124   }
 125
 126 }