org.apache.mahout.df.mapred.inmem
Class InMemInputFormat
java.lang.Object
org.apache.mahout.df.mapred.inmem.InMemInputFormat
- All Implemented Interfaces:
- org.apache.hadoop.mapred.InputFormat<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.NullWritable>
public class InMemInputFormat
- extends java.lang.Object
- implements org.apache.hadoop.mapred.InputFormat<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.NullWritable>
Custom InputFormat that generates InputSplits given the desired number of
trees.
each input split contains a subset of the trees.
The number of splits is equal to the number of requested splits
Method Summary |
org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.NullWritable> |
getRecordReader(org.apache.hadoop.mapred.InputSplit split,
org.apache.hadoop.mapred.JobConf conf,
org.apache.hadoop.mapred.Reporter reporter)
|
org.apache.hadoop.mapred.InputSplit[] |
getSplits(org.apache.hadoop.mapred.JobConf conf,
int numSplits)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
InMemInputFormat
public InMemInputFormat()
getRecordReader
public org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.NullWritable> getRecordReader(org.apache.hadoop.mapred.InputSplit split,
org.apache.hadoop.mapred.JobConf conf,
org.apache.hadoop.mapred.Reporter reporter)
throws java.io.IOException
- Specified by:
getRecordReader
in interface org.apache.hadoop.mapred.InputFormat<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.NullWritable>
- Throws:
java.io.IOException
getSplits
public org.apache.hadoop.mapred.InputSplit[] getSplits(org.apache.hadoop.mapred.JobConf conf,
int numSplits)
throws java.io.IOException
- Specified by:
getSplits
in interface org.apache.hadoop.mapred.InputFormat<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.NullWritable>
- Throws:
java.io.IOException
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