org.apache.hadoop.mapred
Class SequenceFileInputFormat<K,V>
java.lang.Object
org.apache.hadoop.mapred.FileInputFormat<K,V>
org.apache.hadoop.mapred.SequenceFileInputFormat<K,V>
- All Implemented Interfaces:
- InputFormat<K,V>
- Direct Known Subclasses:
- SequenceFileAsBinaryInputFormat, SequenceFileAsTextInputFormat, SequenceFileInputFilter
@InterfaceAudience.Public
@InterfaceStability.Stable
public class SequenceFileInputFormat<K,V>
- extends FileInputFormat<K,V>
An InputFormat
for SequenceFile
s.
Methods inherited from class org.apache.hadoop.mapred.FileInputFormat |
addInputPath, addInputPathRecursively, addInputPaths, computeSplitSize, getBlockIndex, getInputPathFilter, getInputPaths, getSplitHosts, getSplits, isSplitable, makeSplit, makeSplit, setInputPathFilter, setInputPaths, setInputPaths, setMinSplitSize |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
SequenceFileInputFormat
public SequenceFileInputFormat()
listStatus
protected FileStatus[] listStatus(JobConf job)
throws IOException
- Description copied from class:
FileInputFormat
- List input directories.
Subclasses may override to, e.g., select only files matching a regular
expression.
- Overrides:
listStatus
in class FileInputFormat<K,V>
- Parameters:
job
- the job to list input paths for
- Returns:
- array of FileStatus objects
- Throws:
IOException
- if zero items.
getRecordReader
public RecordReader<K,V> getRecordReader(InputSplit split,
JobConf job,
Reporter reporter)
throws IOException
- Description copied from interface:
InputFormat
- Get the
RecordReader
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.
- Specified by:
getRecordReader
in interface InputFormat<K,V>
- Specified by:
getRecordReader
in class FileInputFormat<K,V>
- Parameters:
split
- the InputSplit
job
- the job that this split belongs to
- Returns:
- a
RecordReader
- Throws:
IOException
Copyright © 2014 Apache Software Foundation. All Rights Reserved.