Package | Description |
---|---|
org.apache.hadoop.mapreduce | |
org.apache.hadoop.mapreduce.lib.input |
Modifier and Type | Method and Description |
---|---|
abstract RecordReader<K,V> |
InputFormat.createRecordReader(InputSplit split,
TaskAttemptContext context)
Create a record reader for a given split.
|
Constructor and Description |
---|
Context(Configuration conf,
TaskAttemptID taskid,
RecordReader<KEYIN,VALUEIN> reader,
RecordWriter<KEYOUT,VALUEOUT> writer,
OutputCommitter committer,
StatusReporter reporter,
InputSplit split) |
MapContext(Configuration conf,
TaskAttemptID taskid,
RecordReader<KEYIN,VALUEIN> reader,
RecordWriter<KEYOUT,VALUEOUT> writer,
OutputCommitter committer,
StatusReporter reporter,
InputSplit split) |
Modifier and Type | Class and Description |
---|---|
class |
LineRecordReader
Treats keys as offset in file and value as line.
|
class |
SequenceFileRecordReader<K,V>
An
RecordReader for SequenceFile s. |
Modifier and Type | Method and Description |
---|---|
RecordReader<LongWritable,Text> |
TextInputFormat.createRecordReader(InputSplit split,
TaskAttemptContext context) |
RecordReader<K,V> |
SequenceFileInputFormat.createRecordReader(InputSplit split,
TaskAttemptContext context) |
Copyright © 2010 The Apache Software Foundation