org.apache.solr.handler.dataimport
Class NumberFormatTransformer

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

public class NumberFormatTransformer
extends Transformer

A Transformer instance which can extract numbers out of strings. It uses NumberFormat class to parse strings and supports Number, Integer, Currency and Percent styles as supported by NumberFormat with configurable locales.

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

Field Summary

static String	CURRENCY
static String	FORMAT_STYLE
static String	INTEGER
static String	LOCALE
static String	NUMBER
static String	PERCENT

Constructor Summary

NumberFormatTransformer()

Method Summary

Object

transformRow(Map<String,Object> row, Context context) 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

FORMAT_STYLE

public static final String FORMAT_STYLE

See Also:

Constant Field Values

LOCALE

public static final String LOCALE

See Also:

Constant Field Values

NUMBER

public static final String NUMBER

See Also:

Constant Field Values

PERCENT

public static final String PERCENT

See Also:

Constant Field Values

INTEGER

public static final String INTEGER

See Also:

Constant Field Values

CURRENCY

public static final String CURRENCY

See Also:

Constant Field Values

Constructor Detail

NumberFormatTransformer

public NumberFormatTransformer()

Method Detail

transformRow

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

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

context - 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>>