net.openhft.chronicle.bytes.render

Class MaximumPrecision

java.lang.Object

net.openhft.chronicle.bytes.render.MaximumPrecision

All Implemented Interfaces:

Decimaliser

public class MaximumPrecision
extends Object
implements Decimaliser

Decimaliser that rounds values to a fixed number of decimal places.

For example a precision of two converts 1.238 to 1.24. Trailing zeros introduced by rounding are trimmed.

Constructor Summary

Constructors

Constructor and Description
MaximumPrecision(int precision) Create an instance with the given precision.

Method Summary

Modifier and Type	Method and Description
boolean	toDecimal(double value, DecimalAppender decimalAppender) Convert value rounding to at most precision decimal places.
boolean	toDecimal(float value, DecimalAppender decimalAppender) Convert value rounding to at most precision decimal places.

Methods inherited from class java.lang.Object

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

Constructor Detail

MaximumPrecision

public MaximumPrecision(int precision)

Create an instance with the given precision.

Parameters:

precision - number of decimal places, 0-18 inclusive

Throws:

IllegalArgumentException - if precision is outside that range

Method Detail

toDecimal

public boolean toDecimal(double value,
                         DecimalAppender decimalAppender)

Convert value rounding to at most precision decimal places.

Specified by:

toDecimal in interface Decimaliser

Parameters:

value - the double to convert; must be finite

decimalAppender - the appender receiving the components

Returns:

true if the value was in range

toDecimal

public boolean toDecimal(float value,
                         DecimalAppender decimalAppender)

Convert value rounding to at most precision decimal places.

Specified by:

toDecimal in interface Decimaliser

Parameters:

value - the float to convert; must be finite

decimalAppender - the appender receiving the components

Returns:

true if the value was in range