org.apache.solr.hadoop
Class TreeMergeMapper

java.lang.Object
  org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.NullWritable>
      org.apache.solr.hadoop.TreeMergeMapper

public class TreeMergeMapper
extends org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.NullWritable>

For the meat see TreeMergeOutputFormat.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper

org.apache.hadoop.mapreduce.Mapper.Context

Field Summary

static String	MAX_SEGMENTS_ON_TREE_MERGE
static String	SOLR_SHARD_NUMBER

Constructor Summary

TreeMergeMapper()

Method Summary

protected void

map(org.apache.hadoop.io.LongWritable key, org.apache.hadoop.io.Text value, org.apache.hadoop.mapreduce.Mapper.Context context)

Methods inherited from class org.apache.hadoop.mapreduce.Mapper

cleanup, run, setup

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

MAX_SEGMENTS_ON_TREE_MERGE

public static final String MAX_SEGMENTS_ON_TREE_MERGE

See Also:

Constant Field Values

SOLR_SHARD_NUMBER

public static final String SOLR_SHARD_NUMBER

See Also:

Constant Field Values

Constructor Detail

TreeMergeMapper

public TreeMergeMapper()

Method Detail

map

protected void map(org.apache.hadoop.io.LongWritable key,
                   org.apache.hadoop.io.Text value,
                   org.apache.hadoop.mapreduce.Mapper.Context context)
            throws IOException,
                   InterruptedException

Overrides:

map in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.NullWritable>

Throws:

IOException

InterruptedException