Java tutorial
/* * 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 therian.testfixture; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map; import org.apache.commons.lang3.ObjectUtils; /** * */ public class Library { private String libraryName; private final Map<String, Book> taggedBooks = new HashMap<String, Book>(); private Person[] persons; public String getLibraryName() { return libraryName; } public void setLibraryName(String libraryName) { this.libraryName = libraryName; } public Map<String, Book> getTaggedBooks() { return taggedBooks; } public Person[] getPersons() { return persons; } public void setPersons(Person[] persons) { this.persons = persons; } public List<Employee> getEmployees() { if (persons == null) { return Collections.emptyList(); } ArrayList<Employee> emps = new ArrayList<Employee>(persons.length); for (Person each : persons) { if (each instanceof Employee) { emps.add((Employee) each); } } return emps; } @Override public boolean equals(Object obj) { if (obj == this) { return true; } if (obj instanceof Library == false) { return false; } final Library other = (Library) obj; return ObjectUtils.equals(other.getLibraryName(), getLibraryName()) && ObjectUtils.equals(other.getTaggedBooks(), getTaggedBooks()) && ObjectUtils.equals(other.getEmployees(), getEmployees()) && Arrays.equals(other.getPersons(), getPersons()); } @Override public int hashCode() { int result = 91 << 4; result |= ObjectUtils.hashCode(getLibraryName()); result <<= 4; result |= ObjectUtils.hashCode(getTaggedBooks()); result <<= 4; result |= ObjectUtils.hashCode(getEmployees()); result <<= 4; result |= Arrays.hashCode(getPersons()); return result; } }