@InterfaceAudience.Public @InterfaceStability.Stable public class SequenceFileAsTextRecordReader extends RecordReader<Text,Text>
| コンストラクタと説明 | 
|---|
| SequenceFileAsTextRecordReader() | 
| 修飾子とタイプ | メソッドと説明 | 
|---|---|
| void | close()Close the record reader. | 
| Text | getCurrentKey()Get the current key | 
| Text | getCurrentValue()Get the current value. | 
| float | getProgress()The current progress of the record reader through its data. | 
| void | initialize(InputSplit split,
          TaskAttemptContext context)Called once at initialization. | 
| boolean | nextKeyValue()Read key/value pair in a line. | 
public SequenceFileAsTextRecordReader() throws IOException
IOExceptionpublic void initialize(InputSplit split, TaskAttemptContext context) throws IOException, InterruptedException
RecordReaderinitialize クラス内 RecordReader<Text,Text>split - the split that defines the range of records to readcontext - the information about the taskIOExceptionInterruptedExceptionpublic Text getCurrentKey() throws IOException, InterruptedException
RecordReadergetCurrentKey クラス内 RecordReader<Text,Text>IOExceptionInterruptedExceptionpublic Text getCurrentValue() throws IOException, InterruptedException
RecordReadergetCurrentValue クラス内 RecordReader<Text,Text>IOExceptionInterruptedExceptionpublic boolean nextKeyValue() throws IOException, InterruptedException
nextKeyValue クラス内 RecordReader<Text,Text>IOExceptionInterruptedExceptionpublic float getProgress() throws IOException, InterruptedException
RecordReadergetProgress クラス内 RecordReader<Text,Text>IOExceptionInterruptedExceptionpublic void close() throws IOException
RecordReaderclose インタフェース内 Closeableclose インタフェース内 AutoCloseableclose クラス内 RecordReader<Text,Text>IOExceptionCopyright © 2016 Apache Software Foundation. All rights reserved.