com.ebay.erl.mobius.core.mapred
Class DefaultMobiusCombiner

java.lang.Object
  extended by org.apache.hadoop.mapred.MapReduceBase
      extended by com.ebay.erl.mobius.core.datajoin.DataJoinReducer<Tuple,Tuple,DataJoinKey,DataJoinValue>
          extended by com.ebay.erl.mobius.core.mapred.DefaultMobiusCombiner
All Implemented Interfaces:
java.io.Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Reducer<DataJoinKey,DataJoinValue,DataJoinKey,DataJoinValue>

public class DefaultMobiusCombiner
extends DataJoinReducer<Tuple,Tuple,DataJoinKey,DataJoinValue>


Field Summary
protected  Projectable[] _projections
           
 
Constructor Summary
DefaultMobiusCombiner()
           
 
Method Summary
 void configure(org.apache.hadoop.mapred.JobConf conf)
           
protected  java.lang.String[] getKeySchemaByDatasetID(java.lang.String datasetID)
           
protected  java.lang.String[] getValueSchemaByDatasetID(java.lang.String datasetID)
           
 void joinreduce(Tuple key, DataJoinValueGroup<Tuple> values, org.apache.hadoop.mapred.OutputCollector<DataJoinKey,DataJoinValue> output, org.apache.hadoop.mapred.Reporter reporter)
           
 
Methods inherited from class com.ebay.erl.mobius.core.datajoin.DataJoinReducer
reduce
 
Methods inherited from class org.apache.hadoop.mapred.MapReduceBase
close
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface java.io.Closeable
close
 

Field Detail

_projections

protected Projectable[] _projections
Constructor Detail

DefaultMobiusCombiner

public DefaultMobiusCombiner()
Method Detail

configure

public void configure(org.apache.hadoop.mapred.JobConf conf)
Specified by:
configure in interface org.apache.hadoop.mapred.JobConfigurable
Overrides:
configure in class org.apache.hadoop.mapred.MapReduceBase

joinreduce

public void joinreduce(Tuple key,
                       DataJoinValueGroup<Tuple> values,
                       org.apache.hadoop.mapred.OutputCollector<DataJoinKey,DataJoinValue> output,
                       org.apache.hadoop.mapred.Reporter reporter)
                throws java.io.IOException
Specified by:
joinreduce in class DataJoinReducer<Tuple,Tuple,DataJoinKey,DataJoinValue>
Throws:
java.io.IOException

getValueSchemaByDatasetID

protected java.lang.String[] getValueSchemaByDatasetID(java.lang.String datasetID)

getKeySchemaByDatasetID

protected java.lang.String[] getKeySchemaByDatasetID(java.lang.String datasetID)