/** * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.isis.applib.util; class Invoice implements Comparable<Invoice>{ private static final String KEY_PROPERTIES = "number"; private String number; public String getNumber() { return number; } public void setNumber(String number) { this.number = number; } @Override public String toString() { return ObjectContracts.toString(this, KEY_PROPERTIES); } @Override public int compareTo(Invoice o) { return ObjectContracts.compare(this, o, KEY_PROPERTIES); } }