com.pervasive.datarush.encoding.text

Class DoubleFormatter

java.lang.Object

com.pervasive.datarush.encoding.text.DoubleFormatter

All Implemented Interfaces:

TokenFormatter

public class DoubleFormatter
extends Object

A formatter representing double token values with a user-defined text format.

Constructor Summary

Constructors

Constructor and Description
DoubleFormatter(NumberFormat format) Creates a formatter using the specified format.
DoubleFormatter(NumberFormat format, String nullIndicator) Creates a formatter using the specified format.

Method Summary

Modifier and Type	Method and Description
String	format() Formats the current value of the source as a text value.
void	setSource(ScalarValued source) Sets the container holding values to be formatted.

Methods inherited from class java.lang.Object

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

Constructor Detail

DoubleFormatter

public DoubleFormatter(NumberFormat format)

Creates a formatter using the specified format. Null values are output as the empty string.

Parameters:

format - the output format to use

DoubleFormatter

public DoubleFormatter(NumberFormat format,
                       String nullIndicator)

Creates a formatter using the specified format. Null values are output as the specified string.

Parameters:

format - the output format to use

nullIndicator - the text value to use for null values

Method Detail

setSource

public final void setSource(ScalarValued source)

Description copied from interface: TokenFormatter

Sets the container holding values to be formatted. A reference to this container is held and accessed only when an formatting is requested.

Specified by:

setSource in interface TokenFormatter

Parameters:

source - the value container to format

format

public final String format()

Description copied from interface: TokenFormatter

Formats the current value of the source as a text value.

Specified by:

format in interface TokenFormatter

Returns:

the value of the source as a string