org.apache.mahout.utils.regex

Class RegexMapper

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

org.apache.mahout.utils.regex.RegexMapper

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

Nested Class Summary

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

org.apache.hadoop.mapreduce.Mapper.Context

Field Summary

Fields

Modifier and Type	Field and Description
static String	ANALYZER_NAME
static String	FORMATTER_CLASS
static String	GROUP_MATCHERS
static String	REGEX
static String	TRANSFORMER_CLASS

Constructor Summary

Constructors

Constructor and Description
RegexMapper()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	map(org.apache.hadoop.io.LongWritable key, org.apache.hadoop.io.Text text, org.apache.hadoop.mapreduce.Mapper.Context context)
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

Field Detail

REGEX

public static final String REGEX

See Also:

Constant Field Values

GROUP_MATCHERS

public static final String GROUP_MATCHERS

See Also:

Constant Field Values

TRANSFORMER_CLASS

public static final String TRANSFORMER_CLASS

See Also:

Constant Field Values

FORMATTER_CLASS

public static final String FORMATTER_CLASS

See Also:

Constant Field Values

ANALYZER_NAME

public static final String ANALYZER_NAME

See Also:

Constant Field Values

Constructor Detail

RegexMapper

public RegexMapper()

Method Detail

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.LongWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

Throws:

IOException

InterruptedException

map

protected void map(org.apache.hadoop.io.LongWritable key,
       org.apache.hadoop.io.Text text,
       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.LongWritable,org.apache.hadoop.io.Text>

Throws:

IOException

InterruptedException