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java.lang.Objectorg.apache.hadoop.mapred.TextInputFormat.LineRecordReader
protected static class TextInputFormat.LineRecordReader
Constructor Summary | |
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TextInputFormat.LineRecordReader(InputStream in,
long offset,
long endOffset)
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Method Summary | |
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void |
close()
Close this to future operations. |
WritableComparable |
createKey()
Create an object of the appropriate type to be used as a key. |
Writable |
createValue()
Create an object of the appropriate type to be used as the value. |
long |
getPos()
Returns the current position in the input. |
float |
getProgress()
Get the progress within the split |
boolean |
next(Writable key,
Writable value)
Read a line. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public TextInputFormat.LineRecordReader(InputStream in, long offset, long endOffset)
Method Detail |
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public WritableComparable createKey()
RecordReader
createKey
in interface RecordReader
public Writable createValue()
RecordReader
createValue
in interface RecordReader
public float getProgress()
getProgress
in interface RecordReader
public boolean next(Writable key, Writable value) throws IOException
next
in interface RecordReader
key
- the key to read data intovalue
- the value to read data into
IOException
Writable.readFields(DataInput)
public long getPos() throws IOException
RecordReader
getPos
in interface RecordReader
IOException
public void close() throws IOException
RecordReader
close
in interface RecordReader
IOException
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