task1/solution01/src/org/apidesign/apifest08/currency/ConversionRatioProvider.java
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/task1/solution01/src/org/apidesign/apifest08/currency/ConversionRatioProvider.java Sun Sep 28 14:12:38 2008 +0200
1.3 @@ -0,0 +1,12 @@
1.4 +package org.apidesign.apifest08.currency;
1.5 +
1.6 +import java.math.BigDecimal;
1.7 +
1.8 +/**
1.9 + * Provider for conversion constant from any source
1.10 + * @author Ladislav Vitasek
1.11 + */
1.12 +public interface ConversionRatioProvider {
1.13 + public BigDecimal getCurrency1ToCurrency2Constant() throws CannotProvideValueException;
1.14 + public BigDecimal getCurrency2ToCurrency1Constant() throws CannotProvideValueException;
1.15 +}