atom.app.CurrencyChangeEvent Maven / Gradle / Ivy

Go to download
/*
 * Copyright © 2013 Geeoz, and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * The Research Projects is dual-licensed under the GNU General Public
 * License, version 2.0 (GPLv2) and the Geeoz Commercial License.
 *
 * Solely for non-commercial purposes. A purpose is non-commercial only if
 * it is in no manner primarily intended for or directed toward commercial
 * advantage or private monetary compensation.
 *
 * This Geeoz Software is supplied to you by Geeoz in consideration of your
 * agreement to the following terms, and your use, installation, modification
 * or redistribution of this Geeoz Software constitutes acceptance of these
 * terms. If you do not agree with these terms, please do not use, install,
 * modify or redistribute this Geeoz Software.
 *
 * Neither the name, trademarks, service marks or logos of Geeoz may be used
 * to endorse or promote products derived from the Geeoz Software without
 * specific prior written permission from Geeoz.
 *
 * The Geeoz Software is provided by Geeoz on an "AS IS" basis. GEEOZ MAKES NO
 * WARRANTIES, EXPRESS  OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
 * WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE, REGARDING THE GEEOZ SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
 * COMBINATION WITH YOUR PRODUCTS.
 *
 * IN NO EVENT SHALL GEEOZ BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION
 * AND/OR DISTRIBUTION OF THE GEEOZ SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER
 * THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR
 * OTHERWISE, EVEN IF GEEOZ HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * A copy of the GNU General Public License is included in the distribution in
 * the file LICENSE and at
 *
 *     http://www.gnu.org/licenses/gpl-2.0.html
 *
 * If you are using the Research Projects for commercial purposes, we
 * encourage you to visit
 *
 *     http://products.geeoz.com/license
 *
 * for more details.
 *
 * This software or hardware and documentation may provide access to
 * or information on content, products, and services from third parties.
 * Geeoz and its affiliates are not responsible for and expressly disclaim
 * all warranties of any kind with respect to third-party content, products,
 * and services. Geeoz and its affiliates will not be responsible for any loss,
 * costs, or damages incurred due to your access to or use of third-party
 * content, products, or services. If a third-party content exists, the
 * additional copyright notices and license terms applicable to portions of the
 * software are set forth in the THIRD_PARTY_LICENSE_README file.
 *
 * Please contact Geeoz or visit www.geeoz.com if you need additional
 * information or have any questions.
 */

package atom.app;

import java.util.Currency;
import java.util.EventObject;
import java.util.Objects;

/**
 * Provides information about a currency change.
 *
 * @author Alex Voloshyn
 * @version 1.0 10/30/13
 */
public final class CurrencyChangeEvent extends EventObject {
    /**
     * Use serialVersionUID from JDK 1.0.2 for interoperability.
     */
    private static final long serialVersionUID = 3991461246847822366L;
    /**
     * Currency that was change.
     */
    private Currency currency;

    /**
     * Constructs a prototypical Event.
     *
     * @param source the object on which the Event initially occurred
     */
    public CurrencyChangeEvent(final Object source) {
        super(source);
    }

    /**
     * Constructs a prototypical Event with currency.
     *
     * @param source      the object on which the Event initially occurred
     * @param newCurrency current currency
     */
    public CurrencyChangeEvent(final Object source,
                               final Currency newCurrency) {
        super(source);
        currency = newCurrency;
    }

    /**
     * Sets current currency.
     *
     * @param newCurrency current currency
     */
    public void setCurrency(final Currency newCurrency) {
        currency = newCurrency;
    }

    /**
     * Retrieve current currency.
     *
     * @return current currency
     */
    public Currency getCurrency() {
        return currency;
    }

    /* (non-Javadoc)
     * @see java.lang.Object#equals(java.lang.Object)
     */
    @Override
    public boolean equals(final Object object) {
        boolean areEquals;
        if (this == object) {
            areEquals = true;
        } else {
            if (object instanceof CurrencyChangeEvent) {
                final CurrencyChangeEvent that = (CurrencyChangeEvent) object;
                areEquals = Objects.equals(source, that.source)
                        && Objects.equals(currency, that.currency);
            } else {
                areEquals = false;
            }
        }
        return areEquals;
    }

    /* (non-Javadoc)
     * @see java.lang.Object#hashCode()
     */
    @Override
    public int hashCode() {
        return Objects.hash(source, currency);
    }

    /* (non-Javadoc)
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return String.format(
                "CurrencyChangeEvent { source='%s', currency='%s' }",
                source, currency);
    }
}