ml.shifu.guagua.mapreduce
类 GuaguaLineRecordReader

java.lang.Object
  ml.shifu.guagua.mapreduce.GuaguaLineRecordReader

所有已实现的接口：

ml.shifu.guagua.io.GuaguaRecordReader<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.Text>>

public class GuaguaLineRecordReader
extends Object
implements ml.shifu.guagua.io.GuaguaRecordReader<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.Text>>

Copy from LineRecordReader but to support GuaguaRecordReader interface.

构造方法摘要

GuaguaLineRecordReader()

方法摘要

void	close()
GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>	getCurrentKey()
GuaguaWritableAdapter<org.apache.hadoop.io.Text>	getCurrentValue()
float	getProgress() Get the progress within the split
void	initialize(ml.shifu.guagua.io.GuaguaFileSplit genericSplit)
boolean	nextKeyValue()

从类 java.lang.Object 继承的方法

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造方法详细信息

GuaguaLineRecordReader

public GuaguaLineRecordReader()

方法详细信息

initialize

public void initialize(ml.shifu.guagua.io.GuaguaFileSplit genericSplit)
                throws IOException

指定者：

接口 ml.shifu.guagua.io.GuaguaRecordReader<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.Text>> 中的 initialize

抛出：

IOException

nextKeyValue

public boolean nextKeyValue()
                     throws IOException

指定者：

接口 ml.shifu.guagua.io.GuaguaRecordReader<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.Text>> 中的 nextKeyValue

抛出：

IOException

getCurrentKey

public GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable> getCurrentKey()

指定者：

接口 ml.shifu.guagua.io.GuaguaRecordReader<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.Text>> 中的 getCurrentKey

getCurrentValue

public GuaguaWritableAdapter<org.apache.hadoop.io.Text> getCurrentValue()

指定者：

接口 ml.shifu.guagua.io.GuaguaRecordReader<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.Text>> 中的 getCurrentValue

getProgress

public float getProgress()

Get the progress within the split

close

public void close()
           throws IOException

指定者：

接口 ml.shifu.guagua.io.GuaguaRecordReader<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.Text>> 中的 close

抛出：

IOException