HHH-11186 - Add examples for all Hibernate annotations
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@ -1275,14 +1275,14 @@ The https://docs.jboss.org/hibernate/orm/{majorMinorVersion}/javadocs/org/hibern
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The https://docs.jboss.org/hibernate/orm/{majorMinorVersion}/javadocs/org/hibernate/annotations/Type.html[`@Type`] annotation is used to specify the Hibernate https://docs.jboss.org/hibernate/orm/{majorMinorVersion}/javadocs/org/hibernate/type/Type.html[`@Type`] used by the current annotated basic attribute.
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See the <<chapters/domain/basic_types.adoc#collections-comma-delimited-collection-example, `@Type` mapping>> section for more info.
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See the <<chapters/domain/basic_types.adoc#basic-custom-type-BitSetType-mapping-example, `@Type` mapping>> section for more info.
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[[annotations-hibernate-typedef]]
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==== `@TypeDef`
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The https://docs.jboss.org/hibernate/orm/{majorMinorVersion}/javadocs/org/hibernate/annotations/TypeDef.html[`@TypeDef`] annotation is used to specify a https://docs.jboss.org/hibernate/orm/{majorMinorVersion}/javadocs/org/hibernate/type/Type.html[`@Type`] definition which can later be reused for multiple basic attribute mappings.
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//TODO: Add example
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See the <<chapters/domain/basic_types.adoc#basic-custom-type-BitSetTypeDef-mapping-example, `@TypeDef` mapping>> section for more info.
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[[annotations-hibernate-typedefs]]
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==== `@TypeDefs`
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@ -313,6 +313,17 @@ include::{sourcedir}/basic/BitSetTypeTest.java[tags=basic-custom-type-BitSetType
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----
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====
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Alternatively, use can use a `@TypeDef` ans skip the registration phase:
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[[basic-custom-type-BitSetTypeDef-mapping-example]]
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.Using `@TypeDef` to register a custom Type
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====
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[source, JAVA, indent=0]
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----
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include::{sourcedir}/basic/BitSetTypeDefTest.java[tags=basic-custom-type-BitSetTypeDef-mapping-example]
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----
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====
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To validate this new `BasicType` implementation, we can test it as follows:
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[[basic-custom-type-BitSetType-persistence-example]]
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@ -0,0 +1,86 @@
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
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*
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* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
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* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
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*/
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package org.hibernate.userguide.mapping.basic;
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import java.util.BitSet;
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import javax.persistence.Entity;
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import javax.persistence.Id;
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import org.hibernate.annotations.Type;
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import org.hibernate.annotations.TypeDef;
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import org.hibernate.cfg.Configuration;
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import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
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import org.junit.Test;
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import static org.hibernate.testing.transaction.TransactionUtil.doInHibernate;
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import static org.junit.Assert.assertEquals;
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/**
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* @author Vlad Mihalcea
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*/
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public class BitSetTypeDefTest extends BaseCoreFunctionalTestCase {
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@Override
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protected Class<?>[] getAnnotatedClasses() {
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return new Class<?>[] {
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Product.class
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};
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}
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@Test
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public void test() {
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//tag::basic-custom-type-BitSetTypeDef-persistence-example[]
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BitSet bitSet = BitSet.valueOf( new long[] {1, 2, 3} );
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doInHibernate( this::sessionFactory, session -> {
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Product product = new Product( );
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product.setId( 1 );
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product.setBitSet( bitSet );
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session.persist( product );
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} );
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doInHibernate( this::sessionFactory, session -> {
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Product product = session.get( Product.class, 1 );
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assertEquals(bitSet, product.getBitSet());
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} );
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//end::basic-custom-type-BitSetTypeDef-persistence-example[]
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}
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//tag::basic-custom-type-BitSetTypeDef-mapping-example[]
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@Entity(name = "Product")
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@TypeDef(
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name = "bitset",
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defaultForType = BitSet.class,
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typeClass = BitSetType.class
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)
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public static class Product {
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@Id
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private Integer id;
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private BitSet bitSet;
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public Integer getId() {
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return id;
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}
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public void setId(Integer id) {
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this.id = id;
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}
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public BitSet getBitSet() {
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return bitSet;
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}
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public void setBitSet(BitSet bitSet) {
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this.bitSet = bitSet;
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}
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}
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//end::basic-custom-type-BitSetTypeDef-mapping-example[]
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}
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