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java.lang.Object org.apache.hadoop.mapred.LineRecordReader.LineReader
public static class LineRecordReader.LineReader
A class that provides a line reader from an input stream.
Constructor Summary | |
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LineRecordReader.LineReader(InputStream in,
Configuration conf)
Create a line reader that reads from the given stream using the io.file.buffer.size specified in the given
Configuration . |
Method Summary | |
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void |
close()
Close the underlying stream. |
int |
readLine(Text str)
Read from the InputStream into the given Text. |
int |
readLine(Text str,
int maxLineLength)
Read from the InputStream into the given Text. |
int |
readLine(Text str,
int maxLineLength,
int maxBytesToConsume)
Read from the InputStream into the given Text. |
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 LineRecordReader.LineReader(InputStream in, Configuration conf) throws IOException
io.file.buffer.size
specified in the given
Configuration
.
in
- input streamconf
- configuration
IOException
Method Detail |
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public void close() throws IOException
IOException
public int readLine(Text str, int maxLineLength, int maxBytesToConsume) throws IOException
str
- the object to store the given linemaxLineLength
- the maximum number of bytes to store into str.maxBytesToConsume
- the maximum number of bytes to consume in this call.
IOException
- if the underlying stream throwspublic int readLine(Text str, int maxLineLength) throws IOException
str
- the object to store the given linemaxLineLength
- the maximum number of bytes to store into str.
IOException
- if the underlying stream throwspublic int readLine(Text str) throws IOException
str
- the object to store the given line
IOException
- if the underlying stream throws
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