package org.apidesign.apifest08.currency;

/**

 * Amount is a class reprezenting an amount of many. It consist of

 * whole currency amount and of pence amount. Both items are long values

 * and it's not defined that the 100 pences = 1 amount. It's up to the converter

 * to verify such invariants.

 *

 * @author jindra

 */

public final class Amount {

    private long amount;

    private long pence;

    /**

     * Construct Amount with no pences.

     *

     * @param amount the amount in some currency

     *

     */

    public Amount(long amount) {

        this.amount = amount;

        this.pence = 0;

    }

    /**

     * Construct Amount with the pences.

     *

     * @param amount the amount in some currency

     * @param pence the pence count

     */

    public Amount(long amount, long pence) {

        this.amount = amount;

        this.pence = pence;

    }

    /**

     * @return the amount

     */

    public long getAmount() {

        return amount;

    }

    /**

     * @param amount the amount to set

     */

    public void setAmount(long amount) {

        this.amount = amount;

    }

    /**

     * @return the pence

     */

    public long getPence() {

        return pence;

    }

    /**

     * @param pence the pence to set

     */

    public void setPence(long pence) {

        this.pence = pence;

    }

    @Override

    public boolean equals(Object obj) {

        if (obj == null) {

            return false;

        }

        if (!(obj instanceof Amount)) {

            return false;

        }

        Amount other = (Amount) obj;

        return (amount == other.amount) && (pence == other.pence);

    }

    @Override

    public int hashCode() {

        int hash = 7;

        hash = 79 * hash + (int) (this.amount ^ (this.amount >>> 32));

        hash = 79 * hash + (int) (this.pence ^ (this.pence >>> 32));

        return hash;

    }

    @Override

    public String toString() {

        return amount + "." + pence;

    }

}