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java.lang.Objectorg.apache.hadoop.mapred.FileInputFormat<LongWritable,Text>
org.apache.hadoop.mapred.TextInputFormat
TextInputFormat
instead.
@Deprecated public class TextInputFormat
An InputFormat for plain text files. Files are broken into lines.
Either linefeed or carriage-return are used to signal end of line. Keys are
the position in the file, and values are the line of text..
| Field Summary |
|---|
| Fields inherited from class org.apache.hadoop.mapred.FileInputFormat |
|---|
LOG |
| Constructor Summary | |
|---|---|
TextInputFormat()
Deprecated. |
|
| Method Summary | |
|---|---|
void |
configure(JobConf conf)
Deprecated. Initializes a new instance from a JobConf. |
RecordReader<LongWritable,Text> |
getRecordReader(InputSplit genericSplit,
JobConf job,
Reporter reporter)
Deprecated. Get the RecordReader for the given InputSplit. |
protected boolean |
isSplitable(FileSystem fs,
Path file)
Deprecated. Is the given filename splitable? Usually, true, but if the file is stream compressed, it will not be. |
| Methods inherited from class org.apache.hadoop.mapred.FileInputFormat |
|---|
addInputPath, addInputPaths, computeSplitSize, getBlockIndex, getInputPathFilter, getInputPaths, getSplitHosts, getSplits, listStatus, setInputPathFilter, setInputPaths, setInputPaths, setMinSplitSize |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public TextInputFormat()
| Method Detail |
|---|
public void configure(JobConf conf)
JobConfigurableJobConf.
configure in interface JobConfigurableconf - the configuration
protected boolean isSplitable(FileSystem fs,
Path file)
FileInputFormatFileInputFormat implementations can override this and return
false to ensure that individual input files are never split-up
so that Mappers process entire files.
isSplitable in class FileInputFormat<LongWritable,Text>fs - the file system that the file is onfile - the file name to check
public RecordReader<LongWritable,Text> getRecordReader(InputSplit genericSplit,
JobConf job,
Reporter reporter)
throws IOException
InputFormatRecordReader for the given InputSplit.
It is the responsibility of the RecordReader to respect
record boundaries while processing the logical split to present a
record-oriented view to the individual task.
getRecordReader in interface InputFormat<LongWritable,Text>getRecordReader in class FileInputFormat<LongWritable,Text>genericSplit - the InputSplitjob - the job that this split belongs to
RecordReader
IOException
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