org.javamoney.moneta.function

Class PrecisionContextRoundedOperator

java.lang.Object

org.javamoney.moneta.function.PrecisionContextRoundedOperator

All Implemented Interfaces:

MonetaryOperator

public final class PrecisionContextRoundedOperator
extends Object
implements MonetaryOperator

This implementation uses a MathContext to does the rounding operations. The implementation will use the precision, in other words, the total number of digits in a number The derived class will implements the RoundedMoney with this rounding monetary operator

   

     MathContext mathContext = new MathContext(4, RoundingMode.HALF_EVEN);
     MonetaryOperator monetaryOperator = PrecisionContextRoundedOperator.of(mathContext);
     CurrencyUnit real = Monetary.getCurrency("BRL");
     MonetaryAmount money = Money.of(BigDecimal.valueOf(35.34567), real);
     MonetaryAmount result = monetaryOperator.apply(money); // BRL 35.35

    
 

Case the parameter in MonetaryOperator.apply(MonetaryAmount) be null, the apply will return a NullPointerException

Author:

Otavio Santana

See Also:

of(MathContext), RoundedMoney, MonetaryOperator, BigDecimal.precision()

Method Summary

Modifier and Type	Method and Description
MonetaryAmount	apply(MonetaryAmount amount)
MathContext	getMathContext()
static PrecisionContextRoundedOperator	of(MathContext mathContext) Creates the rounded Operator from mathContext
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

of

public static PrecisionContextRoundedOperator of(MathContext mathContext)

Creates the rounded Operator from mathContext

Parameters:

mathContext - the math context, not null.

Returns:

the MonetaryOperator using the MathContext used in parameter

Throws:

NullPointerException - when the MathContext is null

IllegalArgumentException - when the MathContext.getPrecision() is lesser than zero

IllegalArgumentException - when the mathContext is MathContext.getRoundingMode() is RoundingMode.UNNECESSARY

See Also:

MathContext

apply

public MonetaryAmount apply(MonetaryAmount amount)

Specified by:

apply in interface MonetaryOperator

getMathContext

public MathContext getMathContext()

toString

public String toString()

Overrides:

toString in class Object