2 * Copyright (C) 2017 - 2020 Free Software Foundation
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 package org.mxchange.jfinancials.events.receipt_item.added;
19 import java.text.MessageFormat;
20 import org.mxchange.jfinancials.model.receipt_item.BillableReceiptItem;
23 * An event being fired when a new receipt item has been added
25 * @author Roland Haeder<roland@mxchange.org>
27 public class ReceiptItemAddedEvent implements ObservableReceiptItemAddedEvent {
32 private static final long serialVersionUID = 157_582_667_163_548L;
35 * New receipt item instance being added
37 private final BillableReceiptItem receiptItem;
40 * Constructor with receipt instance
42 * @param receiptItem Receipt instance
44 public ReceiptItemAddedEvent (final BillableReceiptItem receiptItem) {
46 if (null == receiptItem) {
48 throw new NullPointerException("receiptItem is null");
49 } else if (receiptItem.getItemId() == null) {
51 throw new NullPointerException("receiptItem.itemId is null");
52 } else if (receiptItem.getItemId() < 1) {
54 throw new NullPointerException(MessageFormat.format("receiptItem.itemId={0} is not valid", receiptItem.getItemId()));
58 this.receiptItem = receiptItem;
62 public BillableReceiptItem getReceiptItem () {
63 return this.receiptItem;