2012-05-31 25 views
0

我想要在TextInputFormat自定義類中獲取JobConf來自TaskAttemptContext的JobConf

public RecordReader<LongWritable,Text> createRecordReader(InputSplit split, TaskAttemptContext context) { 
return new XmlInputFormat(split, ...jobconf...); 
} 

我該怎麼做?

的Hadoop 0.20 API請(亞馬遜EMR要求)

回答

0

的TaskAttemptContext具有getJobConf方法,該方法返回JobConf:

  • org.apache.hadoop.mapred.TaskAttemptContext.getJobConf()