@InterfaceAudience.Public @InterfaceStability.Stable public class SequenceFileInputFormat<K,V> extends FileInputFormat<K,V>
InputFormat
for SequenceFile
s.DEFAULT_LIST_STATUS_NUM_THREADS, INPUT_DIR, INPUT_DIR_RECURSIVE, LIST_STATUS_NUM_THREADS, NUM_INPUT_FILES, PATHFILTER_CLASS, SPLIT_MAXSIZE, SPLIT_MINSIZE
Constructor and Description |
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SequenceFileInputFormat() |
Modifier and Type | Method and Description |
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RecordReader<K,V> |
createRecordReader(InputSplit split,
TaskAttemptContext context)
Create a record reader for a given split.
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protected long |
getFormatMinSplitSize()
Get the lower bound on split size imposed by the format.
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protected List<FileStatus> |
listStatus(JobContext job)
List input directories.
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addInputPath, addInputPathRecursively, addInputPaths, computeSplitSize, getBlockIndex, getInputDirRecursive, getInputPathFilter, getInputPaths, getMaxSplitSize, getMinSplitSize, getSplits, isSplitable, makeSplit, makeSplit, setInputDirRecursive, setInputPathFilter, setInputPaths, setInputPaths, setMaxInputSplitSize, setMinInputSplitSize
public SequenceFileInputFormat()
public RecordReader<K,V> createRecordReader(InputSplit split, TaskAttemptContext context) throws IOException
InputFormat
RecordReader.initialize(InputSplit, TaskAttemptContext)
before
the split is used.createRecordReader
in class InputFormat<K,V>
split
- the split to be readcontext
- the information about the taskIOException
protected long getFormatMinSplitSize()
FileInputFormat
getFormatMinSplitSize
in class FileInputFormat<K,V>
protected List<FileStatus> listStatus(JobContext job) throws IOException
FileInputFormat
listStatus
in class FileInputFormat<K,V>
job
- the job to list input paths forIOException
- if zero items.Copyright © 2016 Apache Software Foundation. All rights reserved.