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| Packages that use RecordReader | |
|---|---|
| org.apache.hadoop.mapreduce | |
| org.apache.hadoop.mapreduce.lib.input | |
| Uses of RecordReader in org.apache.hadoop.mapreduce |
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| Methods in org.apache.hadoop.mapreduce that return RecordReader | |
|---|---|
abstract RecordReader<K,V> |
InputFormat.createRecordReader(InputSplit split,
TaskAttemptContext context)
Create a record reader for a given split. |
| Constructors in org.apache.hadoop.mapreduce with parameters of type RecordReader | |
|---|---|
MapContext(Configuration conf,
TaskAttemptID taskid,
RecordReader<KEYIN,VALUEIN> reader,
RecordWriter<KEYOUT,VALUEOUT> writer,
OutputCommitter committer,
StatusReporter reporter,
InputSplit split)
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Mapper.Context(Configuration conf,
TaskAttemptID taskid,
RecordReader<KEYIN,VALUEIN> reader,
RecordWriter<KEYOUT,VALUEOUT> writer,
OutputCommitter committer,
StatusReporter reporter,
InputSplit split)
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| Uses of RecordReader in org.apache.hadoop.mapreduce.lib.input |
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| Subclasses of RecordReader in org.apache.hadoop.mapreduce.lib.input | |
|---|---|
class |
LineRecordReader
Treats keys as offset in file and value as line. |
class |
SequenceFileRecordReader<K,V>
An RecordReader for SequenceFiles. |
| Methods in org.apache.hadoop.mapreduce.lib.input that return RecordReader | |
|---|---|
RecordReader<K,V> |
SequenceFileInputFormat.createRecordReader(InputSplit split,
TaskAttemptContext context)
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RecordReader<LongWritable,Text> |
TextInputFormat.createRecordReader(InputSplit split,
TaskAttemptContext context)
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