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Java Counter.setDisplayName方法代码示例

本文整理汇总了Java中org.apache.hadoop.mapreduce.Counter.setDisplayName方法的典型用法代码示例。如果您正苦于以下问题:Java Counter.setDisplayName方法的具体用法?Java Counter.setDisplayName怎么用?Java Counter.setDisplayName使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在org.apache.hadoop.mapreduce.Counter的用法示例。


在下文中一共展示了Counter.setDisplayName方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: parseEscapedCompactString

import org.apache.hadoop.mapreduce.Counter; //导入方法依赖的package包/类
/**
 * Parse a pre 0.21 counters string into a counter object.
 * @param <C> type of the counter
 * @param <G> type of the counter group
 * @param <T> type of the counters object
 * @param compactString to parse
 * @param counters an empty counters object to hold the result
 * @return the counters object holding the result
 * @throws ParseException
 */
@SuppressWarnings("deprecation")
public static <C extends Counter, G extends CounterGroupBase<C>,
               T extends AbstractCounters<C, G>>
T parseEscapedCompactString(String compactString, T counters)
    throws ParseException {
  IntWritable index = new IntWritable(0);

  // Get the group to work on
  String groupString =
    getBlock(compactString, GROUP_OPEN, GROUP_CLOSE, index);

  while (groupString != null) {
    IntWritable groupIndex = new IntWritable(0);

    // Get the actual name
    String groupName =
        StringInterner.weakIntern(getBlock(groupString, UNIT_OPEN, UNIT_CLOSE, groupIndex));
    groupName = StringInterner.weakIntern(unescape(groupName));

    // Get the display name
    String groupDisplayName =
        StringInterner.weakIntern(getBlock(groupString, UNIT_OPEN, UNIT_CLOSE, groupIndex));
    groupDisplayName = StringInterner.weakIntern(unescape(groupDisplayName));

    // Get the counters
    G group = counters.getGroup(groupName);
    group.setDisplayName(groupDisplayName);

    String counterString =
      getBlock(groupString, COUNTER_OPEN, COUNTER_CLOSE, groupIndex);

    while (counterString != null) {
      IntWritable counterIndex = new IntWritable(0);

      // Get the actual name
      String counterName =
          StringInterner.weakIntern(getBlock(counterString, UNIT_OPEN, UNIT_CLOSE, counterIndex));
      counterName = StringInterner.weakIntern(unescape(counterName));

      // Get the display name
      String counterDisplayName =
          StringInterner.weakIntern(getBlock(counterString, UNIT_OPEN, UNIT_CLOSE, counterIndex));
      counterDisplayName = StringInterner.weakIntern(unescape(counterDisplayName));

      // Get the value
      long value =
        Long.parseLong(getBlock(counterString, UNIT_OPEN, UNIT_CLOSE,
                                counterIndex));

      // Add the counter
      Counter counter = group.findCounter(counterName);
      counter.setDisplayName(counterDisplayName);
      counter.increment(value);

      // Get the next counter
      counterString =
        getBlock(groupString, COUNTER_OPEN, COUNTER_CLOSE, groupIndex);
    }

    groupString = getBlock(compactString, GROUP_OPEN, GROUP_CLOSE, index);
  }
  return counters;
}
 
开发者ID:naver,项目名称:hadoop,代码行数:74,代码来源:CountersStrings.java


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