org.apache.solr.handler.dataimport
Class RegexTransformer

java.lang.Object
  org.apache.solr.handler.dataimport.Transformer
      org.apache.solr.handler.dataimport.RegexTransformer

public class RegexTransformer
extends Transformer

A Transformer implementation which uses Regular Expressions to extract, split and replace data in fields.

Refer to http://wiki.apache.org/solr/DataImportHandler for more details.

This API is experimental and may change in the future.

Since:

solr 1.3

See Also:

Pattern

Field Summary

static String	GROUP_NAMES
static String	REGEX
static String	REPLACE_WITH
static String	SPLIT_BY
static String	SRC_COL_NAME

Constructor Summary

RegexTransformer()

Method Summary

Map<String,Object>

transformRow(Map<String,Object> row, Context ctx) The input is a row of data and the output has to be a new row.

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

REPLACE_WITH

public static final String REPLACE_WITH

See Also:

Constant Field Values

SPLIT_BY

public static final String SPLIT_BY

See Also:

Constant Field Values

SRC_COL_NAME

public static final String SRC_COL_NAME

See Also:

Constant Field Values

GROUP_NAMES

public static final String GROUP_NAMES

See Also:

Constant Field Values

Constructor Detail

RegexTransformer

public RegexTransformer()

Method Detail

transformRow

public Map<String,Object> transformRow(Map<String,Object> row,
                                       Context ctx)

Description copied from class: Transformer

The input is a row of data and the output has to be a new row.

Specified by:

transformRow in class Transformer

Parameters:

row - A row of data

ctx - The current context

Returns:

The changed data. It must be a Map<String, Object> if it returns only one row or if there are multiple rows to be returned it must be a List<Map<String, Object>>