| /* |
| * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // ailitchev - Uni-directional OneToMany |
| package org.eclipse.persistence.testing.models.unidirectional; |
| |
| import java.util.*; |
| import java.io.*; |
| import org.eclipse.persistence.indirection.*; |
| |
| /** |
| * This is a scaled-down version of Employee that uses UnidirectionalOneToManyMappings for managedEmployees and phoneNumbers. |
| * Everything else (ValueHolderInterface for example) is kept the same as in original Employee to simplify comparative debugging. |
| */ |
| public class Employee implements Serializable { |
| /** Primary key, mapped as a direct-to-field, BigDecimal -{@literal >} NUMBER, that makes use of sequence numbers to generate the id. */ |
| public int id; |
| |
| /** Direct-to-field mapping, String -{@literal >} VARCHAR. */ |
| public String firstName; |
| |
| /** Direct-to-field mapping, String -{@literal >} VARCHAR. */ |
| public String lastName; |
| |
| /** One-to-many unidirectional mapping */ |
| public ValueHolderInterface managedEmployees; |
| |
| /** One-to-many mapping unidirectional, employee references its collection of phone numbers using a foreign key in the phone's table. */ |
| public ValueHolderInterface phoneNumbers; |
| |
| /** |
| * For fields that make use of indirection the constructor should build the value holders. |
| */ |
| public Employee() { |
| this.firstName = ""; |
| this.lastName = ""; |
| this.managedEmployees = new ValueHolder(new ArrayList()); |
| this.phoneNumbers = new ValueHolder(new ArrayList()); |
| } |
| |
| public void addManagedEmployee(Employee employee) { |
| getManagedEmployees().add(employee); |
| } |
| |
| public void addPhoneNumber(PhoneNumber phoneNumber) { |
| getPhoneNumbers().add(phoneNumber); |
| } |
| |
| public String getFirstName() { |
| return firstName; |
| } |
| |
| /** |
| * Return the persistent identifier of the receiver. |
| */ |
| public int getId() { |
| return id; |
| } |
| |
| public String getLastName() { |
| return lastName; |
| } |
| |
| /** |
| * Notice that the usage of value holders does not effect the public interface or usage of the class. |
| * The get/set methods must however be changed to wrap/unwrap the value holder. |
| */ |
| public List getManagedEmployees() { |
| return (List)managedEmployees.getValue(); |
| } |
| |
| /** |
| * Notice that the usage of value holders does not effect the public interface or usage of the class. |
| * The get/set methods must however be changed to wrap/unwrap the value holder. |
| */ |
| public List getPhoneNumbers() { |
| return (List)phoneNumbers.getValue(); |
| } |
| |
| /** |
| * |
| */ |
| public void removeManagedEmployee(Employee employee) { |
| getManagedEmployees().remove(employee); |
| } |
| |
| /** |
| * Remove the phone number. |
| */ |
| public void removePhoneNumber(PhoneNumber phoneNumber) { |
| getPhoneNumbers().remove(phoneNumber); |
| } |
| |
| public void setFirstName(String firstName) { |
| this.firstName = firstName; |
| } |
| |
| /** |
| * Set the persistent identifier of the receiver. |
| * Note this should never be changed. |
| * Consider making the primary key set methods protected or not having them. |
| * In this demo the setId is required for testing purposes. |
| */ |
| public void setId(int id) { |
| this.id = id; |
| } |
| |
| public void setLastName(String lastName) { |
| this.lastName = lastName; |
| } |
| |
| /** |
| * Notice that the usage of value holders does not effect the public interface or usage of the class. |
| * The get/set methods must however be changed to wrap/unwrap the value holder. |
| */ |
| public void setManagedEmployees(List managedEmployees) { |
| this.managedEmployees.setValue(managedEmployees); |
| } |
| |
| /** |
| * Notice that the usage of value holders does not effect the public interface or usage of the class. |
| * The get/set methods must however be changed to wrap/unwrap the value holder. |
| */ |
| public void setPhoneNumbers(List phoneNumbers) { |
| this.phoneNumbers.setValue(phoneNumbers); |
| } |
| |
| /** |
| * Print the first & last name |
| */ |
| public String toString() { |
| StringWriter writer = new StringWriter(); |
| |
| writer.write("Employee: "); |
| writer.write(getFirstName()); |
| writer.write(" "); |
| writer.write(getLastName()); |
| return writer.toString(); |
| } |
| } |