org.apache.mahout.clustering.classify
Class ClusterClassificationMapper
java.lang.Object
org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.IntWritable,WeightedVectorWritable>
org.apache.mahout.clustering.classify.ClusterClassificationMapper
public class ClusterClassificationMapper
- extends org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.IntWritable,WeightedVectorWritable>
Mapper for classifying vectors into clusters.
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper |
org.apache.hadoop.mapreduce.Mapper.Context |
Method Summary |
protected void |
map(org.apache.hadoop.io.WritableComparable<?> key,
VectorWritable vw,
org.apache.hadoop.mapreduce.Mapper.Context context)
Mapper which classifies the vectors to respective clusters. |
static List<Cluster> |
populateClusterModels(org.apache.hadoop.fs.Path clusterOutputPath,
org.apache.hadoop.conf.Configuration conf)
|
protected void |
setup(org.apache.hadoop.mapreduce.Mapper.Context context)
|
Methods inherited from class org.apache.hadoop.mapreduce.Mapper |
cleanup, run |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
ClusterClassificationMapper
public ClusterClassificationMapper()
setup
protected void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
throws IOException,
InterruptedException
- Overrides:
setup
in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.IntWritable,WeightedVectorWritable>
- Throws:
IOException
InterruptedException
map
protected void map(org.apache.hadoop.io.WritableComparable<?> key,
VectorWritable vw,
org.apache.hadoop.mapreduce.Mapper.Context context)
throws IOException,
InterruptedException
- Mapper which classifies the vectors to respective clusters.
- Overrides:
map
in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.IntWritable,WeightedVectorWritable>
- Throws:
IOException
InterruptedException
populateClusterModels
public static List<Cluster> populateClusterModels(org.apache.hadoop.fs.Path clusterOutputPath,
org.apache.hadoop.conf.Configuration conf)
throws IOException
- Throws:
IOException
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