org.apache.mahout.classifier.df.mapreduce.inmem
Class InMemInputFormat
java.lang.Object
org.apache.hadoop.mapreduce.InputFormat<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.NullWritable>
org.apache.mahout.classifier.df.mapreduce.inmem.InMemInputFormat
public class InMemInputFormat
- extends org.apache.hadoop.mapreduce.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.mapreduce.RecordReader<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.NullWritable> |
createRecordReader(org.apache.hadoop.mapreduce.InputSplit split,
org.apache.hadoop.mapreduce.TaskAttemptContext context)
|
List<org.apache.hadoop.mapreduce.InputSplit> |
getSplits(org.apache.hadoop.conf.Configuration conf,
int numSplits)
|
List<org.apache.hadoop.mapreduce.InputSplit> |
getSplits(org.apache.hadoop.mapreduce.JobContext context)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
InMemInputFormat
public InMemInputFormat()
createRecordReader
public org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.NullWritable> createRecordReader(org.apache.hadoop.mapreduce.InputSplit split,
org.apache.hadoop.mapreduce.TaskAttemptContext context)
throws IOException,
InterruptedException
- Specified by:
createRecordReader
in class org.apache.hadoop.mapreduce.InputFormat<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.NullWritable>
- Throws:
IOException
InterruptedException
getSplits
public List<org.apache.hadoop.mapreduce.InputSplit> getSplits(org.apache.hadoop.mapreduce.JobContext context)
throws IOException,
InterruptedException
- Specified by:
getSplits
in class org.apache.hadoop.mapreduce.InputFormat<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.NullWritable>
- Throws:
IOException
InterruptedException
getSplits
public List<org.apache.hadoop.mapreduce.InputSplit> getSplits(org.apache.hadoop.conf.Configuration conf,
int numSplits)
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