@Test public void mutliplyingWithRatiosShouldWork() { assertThat(new Price(10).multiply(new Ratio(50, PERCENT))).isEqualTo(new Price(5)); assertThat(new Price(10).multiply(new Ratio(1.0 / 3.0))).isEqualTo(new Price(3)); assertThat(new Price(10).multiply(new Ratio(2.0 / 3.0))).isEqualTo(new Price(7)); assertThat(new Price(-10).multiply(new Ratio(50, PERCENT))).isEqualTo(new Price(-5)); assertThat(new Price(5018).multiply(new Ratio(0, PERCENT))).isEqualTo(new Price(0)); }
public Price multiply(final Ratio ratio) { return new Price(round(ratio.asBasic() * price)); }
Price implements Comparable<Price> { public Price multiply(final Ratio ratio) { return new Price(round(ratio.asBasic() * price)); } }
Price implements Comparable<Price> { public Price multiply(final Ratio ratio) { return new Price(round(ratio.asBasic() * price)); } Price(final double price);  Price(final long price);  Price(final long value, final PriceUnit unit); }
Price implements Comparable<Price> { public Price multiply(final Ratio ratio) { return new Price(round(ratio.asBasic() * price)); } Price(final double price);  Price(final long price);  Price(final long value, final PriceUnit unit); long asPipette(); double asDouble(); Price plus(final Price other); Price plus(final int amount, final PriceUnit unit); Price plus(final double value, final RatioUnit unit); Price plus(final Ratio ratio); Price minus(final Price other); Price minus(final int amount, final PriceUnit unit); Price minus(final double value, final RatioUnit unit); Price minus(final Ratio ratio); Price inverse(); Price absolute(); Price multiply(final Ratio ratio); Money multiply(final Volume volume, final Currency currency); Ratio divide(final Price divisor); boolean isLessThan(final Price other); boolean isGreaterThan(final Price other); boolean isStrongerThan(final Price other, final MarketDirection direction); boolean isWeakerThan(final Price other, final MarketDirection direction); boolean isBetweenInclusive(final Price a, final Price b); @Override boolean equals(final Object other); @Override int compareTo(final Price other); @Override int hashCode(); String toStringWithSign(); @Override String toString(); }
Price implements Comparable<Price> { public Price multiply(final Ratio ratio) { return new Price(round(ratio.asBasic() * price)); } Price(final double price);  Price(final long price);  Price(final long value, final PriceUnit unit); long asPipette(); double asDouble(); Price plus(final Price other); Price plus(final int amount, final PriceUnit unit); Price plus(final double value, final RatioUnit unit); Price plus(final Ratio ratio); Price minus(final Price other); Price minus(final int amount, final PriceUnit unit); Price minus(final double value, final RatioUnit unit); Price minus(final Ratio ratio); Price inverse(); Price absolute(); Price multiply(final Ratio ratio); Money multiply(final Volume volume, final Currency currency); Ratio divide(final Price divisor); boolean isLessThan(final Price other); boolean isGreaterThan(final Price other); boolean isStrongerThan(final Price other, final MarketDirection direction); boolean isWeakerThan(final Price other, final MarketDirection direction); boolean isBetweenInclusive(final Price a, final Price b); @Override boolean equals(final Object other); @Override int compareTo(final Price other); @Override int hashCode(); String toStringWithSign(); @Override String toString();  }