Hibernate example source code file (GenericTypeDiscoveryTest.java)

This example Hibernate source code file (GenericTypeDiscoveryTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

entity, entity, generatedvalue, generatedvalue, id, integer, integer, item, manytoone, mappedsuperclass, owner, string, string, type

The Hibernate GenericTypeDiscoveryTest.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2011, Red Hat Inc. or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.metamodel.source.annotations.util;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
import javax.persistence.MappedSuperclass;

import org.junit.Test;

/**
 * @author Hardy Ferentschik
 */
public class GenericTypeDiscoveryTest extends BaseAnnotationIndexTestCase {

	@Test
	public void testGenericClassHierarchy() {
//		Set<ConfiguredClassHierarchy hierarchies = createEntityHierarchies(
//				Paper.class,
//				Stuff.class,
//				Item.class,
//				PricedStuff.class
//		);
//		assertEquals( "There should be only one hierarchy", 1, hierarchies.size() );
//
//		Iterator<EntityClass> iter = hierarchies.iterator().next().iterator();
//		ConfiguredClass configuredClass = iter.next();
//		ClassInfo info = configuredClass.getClassInfo();
//		assertEquals( "wrong class", DotName.createSimple( Stuff.class.getName() ), info.name() );
//		MappedAttribute property = configuredClass.getMappedAttribute( "value" );
//		assertEquals( Price.class, property.getJavaType() );
//
//		assertTrue( iter.hasNext() );
//		configuredClass = iter.next();
//		info = configuredClass.getClassInfo();
//		assertEquals( "wrong class", DotName.createSimple( PricedStuff.class.getName() ), info.name() );
//		assertFalse(
//				"PricedStuff should not mapped properties", configuredClass.getSimpleAttributes().iterator().hasNext()
//		);
//
//		assertTrue( iter.hasNext() );
//		configuredClass = iter.next();
//		info = configuredClass.getClassInfo();
//		assertEquals( "wrong class", DotName.createSimple( Item.class.getName() ), info.name() );
//		// properties are alphabetically ordered!
//		property = configuredClass.getMappedAttribute( "owner" );
//		assertEquals( SomeGuy.class, property.getJavaType() );
//		property = configuredClass.getMappedAttribute( "type" );
//		assertEquals( PaperType.class, property.getJavaType() );
//
//		assertTrue( iter.hasNext() );
//		configuredClass = iter.next();
//		info = configuredClass.getClassInfo();
//		assertEquals( "wrong class", DotName.createSimple( Paper.class.getName() ), info.name() );
//		assertFalse( "Paper should not mapped properties", configuredClass.getSimpleAttributes().iterator().hasNext() );
//
//		assertFalse( iter.hasNext() );
	}

	@Test
	public void testUnresolvedType() {
//		Set<ConfiguredClassHierarchy hierarchies = createEntityHierarchies( UnresolvedType.class );
//		assertEquals( "There should be only one hierarchy", 1, hierarchies.size() );
	}

	@MappedSuperclass
	public class Stuff<Value> {
		private Value value;

		@ManyToOne
		public Value getValue() {
			return value;
		}

		public void setValue(Value value) {
			this.value = value;
		}
	}

	@MappedSuperclass
	public class PricedStuff extends Stuff<Price> {
	}

	@MappedSuperclass
	public class Item<Type, Owner> extends PricedStuff {
		private Integer id;
		private String name;
		private Type type;
		private Owner owner;

		@Id
		@GeneratedValue
		public Integer getId() {
			return id;
		}

		public void setId(Integer id) {
			this.id = id;
		}

		public String getName() {
			return name;
		}

		public void setName(String name) {
			this.name = name;
		}

		@ManyToOne
		public Type getType() {
			return type;
		}

		public void setType(Type type) {
			this.type = type;
		}

		@ManyToOne
		public Owner getOwner() {
			return owner;
		}

		public void setOwner(Owner owner) {
			this.owner = owner;
		}
	}

	@Entity
	public class Paper extends Item<PaperType, SomeGuy> {
	}

	@Entity
	public class PaperType {
		private Integer id;
		private String name;

		@Id
		@GeneratedValue
		public Integer getId() {
			return id;
		}

		public void setId(Integer id) {
			this.id = id;
		}

		public String getName() {
			return name;
		}

		public void setName(String name) {
			this.name = name;
		}

	}

	@Entity
	public class Price {
		private Integer id;
		private Double amount;
		private String currency;

		@Id
		@GeneratedValue
		public Integer getId() {
			return id;
		}

		public void setId(Integer id) {
			this.id = id;
		}

		public Double getAmount() {
			return amount;
		}

		public void setAmount(Double amount) {
			this.amount = amount;
		}

		public String getCurrency() {
			return currency;
		}

		public void setCurrency(String currency) {
			this.currency = currency;
		}
	}

	@Entity
	public class SomeGuy {
		private Integer id;

		@Id
		@GeneratedValue
		public Integer getId() {
			return id;
		}

		public void setId(Integer id) {
			this.id = id;
		}
	}

	@Entity
	public class UnresolvedType<T> {

		private Integer id;
		private T state;

		@Id
		@GeneratedValue
		public Integer getId() {
			return id;
		}

		public void setId(Integer id) {
			this.id = id;
		}

		//@Type(type = "org.hibernate.test.annotations.generics.StateType")
		public T getState() {
			return state;
		}

		public void setState(T state) {
			this.state = state;
		}
	}
}