/* * Hibernate, Relational Persistence for Idiomatic Java * * License: GNU Lesser General Public License (LGPL), version 2.1 or later. * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>. */ package org.hibernate.test.onetomany.inheritance.perclass; import java.util.HashMap; import java.util.Map; import javax.persistence.CascadeType; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.MapKey; import javax.persistence.OneToMany; import javax.persistence.Table; @Entity @Table(name="LIBRARYPC") public class Library { @Id @GeneratedValue private int entid; @OneToMany(mappedBy="library", cascade = CascadeType.ALL) @MapKey(name="inventoryCode") private Map<String,Book> booksOnInventory = new HashMap<>(); @OneToMany(mappedBy="library", cascade = CascadeType.ALL) @MapKey(name="isbn") private Map<String,Book> booksOnIsbn = new HashMap<>(); public int getEntid() { return entid; } public Map<String,Book> getBooksOnInventory() { return booksOnInventory; } public Map<String, Book> getBooksOnIsbn() { return booksOnIsbn; } public void addBook(Book book) { book.setLibrary( this ); booksOnInventory.put( book.getInventoryCode(), book ); booksOnIsbn.put( book.getIsbn(), book ); } public void removeBook(Book book) { book.setLibrary( null ); booksOnInventory.remove( book.getInventoryCode() ); booksOnIsbn.remove( book.getIsbn() ); } }