com.pervasive.datarush.functions

Class Formatting

java.lang.Object

com.pervasive.datarush.functions.Formatting

public class Formatting
extends Object

Provides implementations of common formatting functions. The format specification is defined by Formatter.

Reference the Formatter documentation for the capabilities and limitations of the formatting that is available. The format specification is not validated before being used. Therefore errors in the format specification are not discovered until execution.

See Also:

ScalarValuedFunction, DeriveFields

Constructor Summary

Constructors

Constructor and Description
Formatting()

Method Summary

Modifier and Type	Method and Description
static ScalarValuedFunction	format(String format, List<ScalarValuedFunction> exprs) Format the output values of the given functions using the given format.
static ScalarValuedFunction	format(String format, ScalarValuedFunction... exprs) Format output values of the given functions using the given format.
static ScalarValuedFunction	formatValues(String format, String[] fieldNames) Format values for the fields within a record token using the given format.

Methods inherited from class java.lang.Object

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

Constructor Detail

Formatting

public Formatting()

Method Detail

formatValues

public static ScalarValuedFunction formatValues(String format,
                                                String[] fieldNames)

Format values for the fields within a record token using the given format. The format must be valid for the types of the input fields.

Parameters:

format - format specification indicating how to format the token values

fieldNames - names of the fields to supply to the formatter, order is relevant

Returns:

a function that when applied formats input fields into a string using the given format

format

public static ScalarValuedFunction format(String format,
                                          ScalarValuedFunction... exprs)

Format output values of the given functions using the given format. The format must be valid for the types of the input fields.

Parameters:

format - format specification indicating how to format the token values

exprs - functions providing outputs to be formatted

Returns:

a function that when applied formats input fields into a string using the given format

format

public static ScalarValuedFunction format(String format,
                                          List<ScalarValuedFunction> exprs)

Format the output values of the given functions using the given format. The format must be valid for the types of the input fields.

Parameters:

format - format specification indicating how to format the token values

exprs - functions providing outputs to be formatted

Returns:

a function that when applied formats input fields into a string using the given format