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/hadoop-2.6.5/share/doc/hadoop/api/src-html/org/apache/hadoop/mapred/TaskReport.html

https://gitlab.com/ZZ3F2/MapReduce
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    4. 

  4. <title>Source code</title>
    5. 

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    7. 

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  8. <div class="sourceContainer">
    9. 

  9. <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
    10. 

  10. <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
    11. 

  11. <span class="sourceLineNo">003</span> * or more contributor license agreements.  See the NOTICE file<a name="line.3"></a>
    12. 

  12. <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
    13. 

  13. <span class="sourceLineNo">005</span> * regarding copyright ownership.  The ASF licenses this file<a name="line.5"></a>
    14. 

  14. <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
    15. 

  15. <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
    16. 

  16. <span class="sourceLineNo">008</span> * with the License.  You may obtain a copy of the License at<a name="line.8"></a>
    17. 

  17. <span class="sourceLineNo">009</span> *<a name="line.9"></a>
    18. 

  18. <span class="sourceLineNo">010</span> *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
    19. 

  19. <span class="sourceLineNo">011</span> *<a name="line.11"></a>
    20. 

  20. <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
    21. 

  21. <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
    22. 

  22. <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
    23. 

  23. <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
    24. 

  24. <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
    25. 

  25. <span class="sourceLineNo">017</span> */<a name="line.17"></a>
    26. 

  26. <span class="sourceLineNo">018</span>package org.apache.hadoop.mapred;<a name="line.18"></a>
    27. 

  27. <span class="sourceLineNo">019</span><a name="line.19"></a>
    28. 

  28. <span class="sourceLineNo">020</span>import java.util.ArrayList;<a name="line.20"></a>
    29. 

  29. <span class="sourceLineNo">021</span>import java.util.Collection;<a name="line.21"></a>
    30. 

  30. <span class="sourceLineNo">022</span>import java.util.List;<a name="line.22"></a>
    31. 

  31. <span class="sourceLineNo">023</span><a name="line.23"></a>
    32. 

  32. <span class="sourceLineNo">024</span>import org.apache.hadoop.classification.InterfaceAudience;<a name="line.24"></a>
    33. 

  33. <span class="sourceLineNo">025</span>import org.apache.hadoop.classification.InterfaceStability;<a name="line.25"></a>
    34. 

  34. <span class="sourceLineNo">026</span><a name="line.26"></a>
    35. 

  35. <span class="sourceLineNo">027</span>/** <a name="line.27"></a>
    36. 

  36. <span class="sourceLineNo">028</span> * A report on the state of a task. <a name="line.28"></a>
    37. 

  37. <span class="sourceLineNo">029</span> */<a name="line.29"></a>
    38. 

  38. <span class="sourceLineNo">030</span>@InterfaceAudience.Public<a name="line.30"></a>
    39. 

  39. <span class="sourceLineNo">031</span>@InterfaceStability.Stable<a name="line.31"></a>
    40. 

  40. <span class="sourceLineNo">032</span>public class TaskReport extends org.apache.hadoop.mapreduce.TaskReport {<a name="line.32"></a>
    41. 

  41. <span class="sourceLineNo">033</span>  <a name="line.33"></a>
    42. 

  42. <span class="sourceLineNo">034</span>  public TaskReport() {<a name="line.34"></a>
    43. 

  43. <span class="sourceLineNo">035</span>    super();<a name="line.35"></a>
    44. 

  44. <span class="sourceLineNo">036</span>  }<a name="line.36"></a>
    45. 

  45. <span class="sourceLineNo">037</span>  <a name="line.37"></a>
    46. 

  46. <span class="sourceLineNo">038</span>  /**<a name="line.38"></a>
    47. 

  47. <span class="sourceLineNo">039</span>   * Creates a new TaskReport object<a name="line.39"></a>
    48. 

  48. <span class="sourceLineNo">040</span>   * @param taskid<a name="line.40"></a>
    49. 

  49. <span class="sourceLineNo">041</span>   * @param progress<a name="line.41"></a>
    50. 

  50. <span class="sourceLineNo">042</span>   * @param state<a name="line.42"></a>
    51. 

  51. <span class="sourceLineNo">043</span>   * @param diagnostics<a name="line.43"></a>
    52. 

  52. <span class="sourceLineNo">044</span>   * @param startTime<a name="line.44"></a>
    53. 

  53. <span class="sourceLineNo">045</span>   * @param finishTime<a name="line.45"></a>
    54. 

  54. <span class="sourceLineNo">046</span>   * @param counters<a name="line.46"></a>
    55. 

  55. <span class="sourceLineNo">047</span>   * @deprecated<a name="line.47"></a>
    56. 

  56. <span class="sourceLineNo">048</span>   */<a name="line.48"></a>
    57. 

  57. <span class="sourceLineNo">049</span>  @Deprecated<a name="line.49"></a>
    58. 

  58. <span class="sourceLineNo">050</span>  TaskReport(TaskID taskid, float progress, String state,<a name="line.50"></a>
    59. 

  59. <span class="sourceLineNo">051</span>      String[] diagnostics, long startTime, long finishTime,<a name="line.51"></a>
    60. 

  60. <span class="sourceLineNo">052</span>      Counters counters) {<a name="line.52"></a>
    61. 

  61. <span class="sourceLineNo">053</span>    this(taskid, progress, state, diagnostics, null, startTime, finishTime, <a name="line.53"></a>
    62. 

  62. <span class="sourceLineNo">054</span>        counters);<a name="line.54"></a>
    63. 

  63. <span class="sourceLineNo">055</span>  }<a name="line.55"></a>
    64. 

  64. <span class="sourceLineNo">056</span>  <a name="line.56"></a>
    65. 

  65. <span class="sourceLineNo">057</span>  /**<a name="line.57"></a>
    66. 

  66. <span class="sourceLineNo">058</span>   * Creates a new TaskReport object<a name="line.58"></a>
    67. 

  67. <span class="sourceLineNo">059</span>   * @param taskid<a name="line.59"></a>
    68. 

  68. <span class="sourceLineNo">060</span>   * @param progress<a name="line.60"></a>
    69. 

  69. <span class="sourceLineNo">061</span>   * @param state<a name="line.61"></a>
    70. 

  70. <span class="sourceLineNo">062</span>   * @param diagnostics<a name="line.62"></a>
    71. 

  71. <span class="sourceLineNo">063</span>   * @param currentStatus<a name="line.63"></a>
    72. 

  72. <span class="sourceLineNo">064</span>   * @param startTime<a name="line.64"></a>
    73. 

  73. <span class="sourceLineNo">065</span>   * @param finishTime<a name="line.65"></a>
    74. 

  74. <span class="sourceLineNo">066</span>   * @param counters<a name="line.66"></a>
    75. 

  75. <span class="sourceLineNo">067</span>   */<a name="line.67"></a>
    76. 

  76. <span class="sourceLineNo">068</span>  TaskReport(TaskID taskid, float progress, String state,<a name="line.68"></a>
    77. 

  77. <span class="sourceLineNo">069</span>             String[] diagnostics, TIPStatus currentStatus, <a name="line.69"></a>
    78. 

  78. <span class="sourceLineNo">070</span>             long startTime, long finishTime,<a name="line.70"></a>
    79. 

  79. <span class="sourceLineNo">071</span>             Counters counters) {<a name="line.71"></a>
    80. 

  80. <span class="sourceLineNo">072</span>    super(taskid, progress, state, diagnostics, currentStatus, startTime,<a name="line.72"></a>
    81. 

  81. <span class="sourceLineNo">073</span>      finishTime, new org.apache.hadoop.mapreduce.Counters(counters));<a name="line.73"></a>
    82. 

  82. <span class="sourceLineNo">074</span>  }<a name="line.74"></a>
    83. 

  83. <span class="sourceLineNo">075</span>  <a name="line.75"></a>
    84. 

  84. <span class="sourceLineNo">076</span>  static TaskReport downgrade(<a name="line.76"></a>
    85. 

  85. <span class="sourceLineNo">077</span>      org.apache.hadoop.mapreduce.TaskReport report) {<a name="line.77"></a>
    86. 

  86. <span class="sourceLineNo">078</span>    return new TaskReport(TaskID.downgrade(report.getTaskID()),<a name="line.78"></a>
    87. 

  87. <span class="sourceLineNo">079</span>      report.getProgress(), report.getState(), report.getDiagnostics(),<a name="line.79"></a>
    88. 

  88. <span class="sourceLineNo">080</span>      report.getCurrentStatus(), report.getStartTime(), report.getFinishTime(),<a name="line.80"></a>
    89. 

  89. <span class="sourceLineNo">081</span>      Counters.downgrade(report.getTaskCounters()));<a name="line.81"></a>
    90. 

  90. <span class="sourceLineNo">082</span>  }<a name="line.82"></a>
    91. 

  91. <span class="sourceLineNo">083</span>  <a name="line.83"></a>
    92. 

  92. <span class="sourceLineNo">084</span>  static TaskReport[] downgradeArray(org.apache.hadoop.<a name="line.84"></a>
    93. 

  93. <span class="sourceLineNo">085</span>      mapreduce.TaskReport[] reports) {<a name="line.85"></a>
    94. 

  94. <span class="sourceLineNo">086</span>    List&lt;TaskReport&gt; ret = new ArrayList&lt;TaskReport&gt;();<a name="line.86"></a>
    95. 

  95. <span class="sourceLineNo">087</span>    for (org.apache.hadoop.mapreduce.TaskReport report : reports) {<a name="line.87"></a>
    96. 

  96. <span class="sourceLineNo">088</span>      ret.add(downgrade(report));<a name="line.88"></a>
    97. 

  97. <span class="sourceLineNo">089</span>    }<a name="line.89"></a>
    98. 

  98. <span class="sourceLineNo">090</span>    return ret.toArray(new TaskReport[0]);<a name="line.90"></a>
    99. 

  99. <span class="sourceLineNo">091</span>  }<a name="line.91"></a>
    100. 

  100. <span class="sourceLineNo">092</span>  <a name="line.92"></a>
    101. 

  101. <span class="sourceLineNo">093</span>  /** The string of the task id. */<a name="line.93"></a>
    102. 

  102. <span class="sourceLineNo">094</span>  public String getTaskId() {<a name="line.94"></a>
    103. 

  103. <span class="sourceLineNo">095</span>    return TaskID.downgrade(super.getTaskID()).toString();<a name="line.95"></a>
    104. 

  104. <span class="sourceLineNo">096</span>  }<a name="line.96"></a>
    105. 

  105. <span class="sourceLineNo">097</span><a name="line.97"></a>
    106. 

  106. <span class="sourceLineNo">098</span>  /** The id of the task. */<a name="line.98"></a>
    107. 

  107. <span class="sourceLineNo">099</span>  public TaskID getTaskID() {<a name="line.99"></a>
    108. 

  108. <span class="sourceLineNo">100</span>    return TaskID.downgrade(super.getTaskID());<a name="line.100"></a>
    109. 

  109. <span class="sourceLineNo">101</span>  }<a name="line.101"></a>
    110. 

  110. <span class="sourceLineNo">102</span><a name="line.102"></a>
    111. 

  111. <span class="sourceLineNo">103</span>  public Counters getCounters() { <a name="line.103"></a>
    112. 

  112. <span class="sourceLineNo">104</span>    return Counters.downgrade(super.getTaskCounters()); <a name="line.104"></a>
    113. 

  113. <span class="sourceLineNo">105</span>  }<a name="line.105"></a>
    114. 

  114. <span class="sourceLineNo">106</span>  <a name="line.106"></a>
    115. 

  115. <span class="sourceLineNo">107</span>  /** <a name="line.107"></a>
    116. 

  116. <span class="sourceLineNo">108</span>   * set successful attempt ID of the task. <a name="line.108"></a>
    117. 

  117. <span class="sourceLineNo">109</span>   */ <a name="line.109"></a>
    118. 

  118. <span class="sourceLineNo">110</span>  public void setSuccessfulAttempt(TaskAttemptID t) {<a name="line.110"></a>
    119. 

  119. <span class="sourceLineNo">111</span>    super.setSuccessfulAttemptId(t);<a name="line.111"></a>
    120. 

  120. <span class="sourceLineNo">112</span>  }<a name="line.112"></a>
    121. 

  121. <span class="sourceLineNo">113</span>  /**<a name="line.113"></a>
    122. 

  122. <span class="sourceLineNo">114</span>   * Get the attempt ID that took this task to completion<a name="line.114"></a>
    123. 

  123. <span class="sourceLineNo">115</span>   */<a name="line.115"></a>
    124. 

  124. <span class="sourceLineNo">116</span>  public TaskAttemptID getSuccessfulTaskAttempt() {<a name="line.116"></a>
    125. 

  125. <span class="sourceLineNo">117</span>    return TaskAttemptID.downgrade(super.getSuccessfulTaskAttemptId());<a name="line.117"></a>
    126. 

  126. <span class="sourceLineNo">118</span>  }<a name="line.118"></a>
    127. 

  127. <span class="sourceLineNo">119</span>  /** <a name="line.119"></a>
    128. 

  128. <span class="sourceLineNo">120</span>   * set running attempt(s) of the task. <a name="line.120"></a>
    129. 

  129. <span class="sourceLineNo">121</span>   */ <a name="line.121"></a>
    130. 

  130. <span class="sourceLineNo">122</span>  public void setRunningTaskAttempts(<a name="line.122"></a>
    131. 

  131. <span class="sourceLineNo">123</span>      Collection&lt;TaskAttemptID&gt; runningAttempts) {<a name="line.123"></a>
    132. 

  132. <span class="sourceLineNo">124</span>    Collection&lt;org.apache.hadoop.mapreduce.TaskAttemptID&gt; attempts = <a name="line.124"></a>
    133. 

  133. <span class="sourceLineNo">125</span>      new ArrayList&lt;org.apache.hadoop.mapreduce.TaskAttemptID&gt;();<a name="line.125"></a>
    134. 

  134. <span class="sourceLineNo">126</span>    for (TaskAttemptID id : runningAttempts) {<a name="line.126"></a>
    135. 

  135. <span class="sourceLineNo">127</span>      attempts.add(id);<a name="line.127"></a>
    136. 

  136. <span class="sourceLineNo">128</span>    }<a name="line.128"></a>
    137. 

  137. <span class="sourceLineNo">129</span>    super.setRunningTaskAttemptIds(attempts);<a name="line.129"></a>
    138. 

  138. <span class="sourceLineNo">130</span>  }<a name="line.130"></a>
    139. 

  139. <span class="sourceLineNo">131</span>  /**<a name="line.131"></a>
    140. 

  140. <span class="sourceLineNo">132</span>   * Get the running task attempt IDs for this task<a name="line.132"></a>
    141. 

  141. <span class="sourceLineNo">133</span>   */<a name="line.133"></a>
    142. 

  142. <span class="sourceLineNo">134</span>  public Collection&lt;TaskAttemptID&gt; getRunningTaskAttempts() {<a name="line.134"></a>
    143. 

  143. <span class="sourceLineNo">135</span>    Collection&lt;TaskAttemptID&gt; attempts = new ArrayList&lt;TaskAttemptID&gt;();<a name="line.135"></a>
    144. 

  144. <span class="sourceLineNo">136</span>    for (org.apache.hadoop.mapreduce.TaskAttemptID id : <a name="line.136"></a>
    145. 

  145. <span class="sourceLineNo">137</span>         super.getRunningTaskAttemptIds()) {<a name="line.137"></a>
    146. 

  146. <span class="sourceLineNo">138</span>      attempts.add(TaskAttemptID.downgrade(id));<a name="line.138"></a>
    147. 

  147. <span class="sourceLineNo">139</span>    }<a name="line.139"></a>
    148. 

  148. <span class="sourceLineNo">140</span>    return attempts;<a name="line.140"></a>
    149. 

  149. <span class="sourceLineNo">141</span>  }<a name="line.141"></a>
    150. 

  150. <span class="sourceLineNo">142</span>  <a name="line.142"></a>
    151. 

  151. <span class="sourceLineNo">143</span>  /** <a name="line.143"></a>
    152. 

  152. <span class="sourceLineNo">144</span>   * set finish time of task. <a name="line.144"></a>
    153. 

  153. <span class="sourceLineNo">145</span>   * @param finishTime finish time of task. <a name="line.145"></a>
    154. 

  154. <span class="sourceLineNo">146</span>   */<a name="line.146"></a>
    155. 

  155. <span class="sourceLineNo">147</span>  protected void setFinishTime(long finishTime) {<a name="line.147"></a>
    156. 

  156. <span class="sourceLineNo">148</span>    super.setFinishTime(finishTime);<a name="line.148"></a>
    157. 

  157. <span class="sourceLineNo">149</span>  }<a name="line.149"></a>
    158. 

  158. <span class="sourceLineNo">150</span><a name="line.150"></a>
    159. 

  159. <span class="sourceLineNo">151</span>  /** <a name="line.151"></a>
    160. 

  160. <span class="sourceLineNo">152</span>   * set start time of the task. <a name="line.152"></a>
    161. 

  161. <span class="sourceLineNo">153</span>   */ <a name="line.153"></a>
    162. 

  162. <span class="sourceLineNo">154</span>  protected void setStartTime(long startTime) {<a name="line.154"></a>
    163. 

  163. <span class="sourceLineNo">155</span>    super.setStartTime(startTime);<a name="line.155"></a>
    164. 

  164. <span class="sourceLineNo">156</span>  }<a name="line.156"></a>
    165. 

  165. <span class="sourceLineNo">157</span><a name="line.157"></a>
    166. 

  166. <span class="sourceLineNo">158</span>}<a name="line.158"></a>
    167. 

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  226. 

  227. </pre>
    228. 

  228. </div>
    229. 

  229. </body>
    230. 

  230. </html>
    231. 

  231.