task2/solution05/src/org/apidesign/apifest08/currency/Amount.java
changeset 29 f6073056b9fe
parent 6 97662396c0fd
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/task2/solution05/src/org/apidesign/apifest08/currency/Amount.java	Wed Oct 01 10:43:05 2008 +0200
     1.3 @@ -0,0 +1,92 @@
     1.4 +package org.apidesign.apifest08.currency;
     1.5 +
     1.6 +/**
     1.7 + * Amount is a class reprezenting an amount of many. It consist of
     1.8 + * whole currency amount and of pence amount. Both items are long values
     1.9 + * and it's not defined that the 100 pences = 1 amount. It's up to the converter
    1.10 + * to verify such invariants.
    1.11 + *
    1.12 + * @author jindra
    1.13 + */
    1.14 +public final class Amount {
    1.15 +
    1.16 +    private long amount;
    1.17 +    private long pence;
    1.18 +
    1.19 +    /**
    1.20 +     * Construct Amount with no pences.
    1.21 +     *
    1.22 +     * @param amount the amount in some currency
    1.23 +     *
    1.24 +     */
    1.25 +    public Amount(long amount) {
    1.26 +        this.amount = amount;
    1.27 +        this.pence = 0;
    1.28 +    }
    1.29 +
    1.30 +    /**
    1.31 +     * Construct Amount with the pences.
    1.32 +     *
    1.33 +     * @param amount the amount in some currency
    1.34 +     * @param pence the pence count
    1.35 +     */
    1.36 +    public Amount(long amount, long pence) {
    1.37 +        this.amount = amount;
    1.38 +        this.pence = pence;
    1.39 +    }
    1.40 +
    1.41 +    /**
    1.42 +     * @return the amount
    1.43 +     */
    1.44 +    public long getAmount() {
    1.45 +        return amount;
    1.46 +    }
    1.47 +
    1.48 +    /**
    1.49 +     * @param amount the amount to set
    1.50 +     */
    1.51 +    public void setAmount(long amount) {
    1.52 +        this.amount = amount;
    1.53 +    }
    1.54 +
    1.55 +    /**
    1.56 +     * @return the pence
    1.57 +     */
    1.58 +    public long getPence() {
    1.59 +        return pence;
    1.60 +    }
    1.61 +
    1.62 +    /**
    1.63 +     * @param pence the pence to set
    1.64 +     */
    1.65 +    public void setPence(long pence) {
    1.66 +        this.pence = pence;
    1.67 +    }
    1.68 +
    1.69 +    @Override
    1.70 +    public boolean equals(Object obj) {
    1.71 +        if (obj == null) {
    1.72 +            return false;
    1.73 +        }
    1.74 +        if (!(obj instanceof Amount)) {
    1.75 +            return false;
    1.76 +        }
    1.77 +        Amount other = (Amount) obj;
    1.78 +        return (amount == other.amount) && (pence == other.pence);
    1.79 +    }
    1.80 +
    1.81 +    @Override
    1.82 +    public int hashCode() {
    1.83 +        int hash = 7;
    1.84 +        hash = 79 * hash + (int) (this.amount ^ (this.amount >>> 32));
    1.85 +        hash = 79 * hash + (int) (this.pence ^ (this.pence >>> 32));
    1.86 +        return hash;
    1.87 +    }
    1.88 +
    1.89 +    @Override
    1.90 +    public String toString() {
    1.91 +        return amount + "." + pence;
    1.92 +    }
    1.93 +
    1.94 +
    1.95 +}