HHH-4726 - Add support for delete-orphan cascading to <one-to-one/>
git-svn-id: https://svn.jboss.org/repos/hibernate/core/trunk@18560 1b8cb986-b30d-0410-93ca-fae66ebed9b2
This commit is contained in:
parent
d23a4a4fd3
commit
56f6941260
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@ -1615,13 +1615,9 @@ public final class HbmBinder {
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Attribute fkNode = node.attribute( "foreign-key" );
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if ( fkNode != null ) manyToOne.setForeignKeyName( fkNode.getValue() );
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validateCascade( node, path );
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}
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private static void validateCascade(Element node, String path) {
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String cascade = node.attributeValue( "cascade" );
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if ( cascade != null && cascade.indexOf( "delete-orphan" ) >= 0 ) {
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throw new MappingException( "single-valued associations do not support orphan delete: " + path );
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throw new MappingException( "many-to-one attributes do not support orphan delete: " + path );
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}
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}
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@ -1687,8 +1683,6 @@ public final class HbmBinder {
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oneToOne.setPropertyName( node.attributeValue( "name" ) );
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oneToOne.setReferencedEntityName( getEntityName( node, mappings ) );
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validateCascade( node, path );
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}
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public static void bindOneToMany(Element node, OneToMany oneToMany, Mappings mappings)
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@ -109,6 +109,10 @@ public final class Cascade {
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this.action = action;
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}
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private SessionFactoryImplementor getFactory() {
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return eventSource.getFactory();
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}
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/**
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* Cascade an action from the parent entity instance to all its children.
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*
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@ -206,6 +210,54 @@ public final class Cascade {
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cascadeComponent( parent, child, (AbstractComponentType) type, anything );
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}
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}
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else {
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// potentially we need to handle orphan deletes for one-to-ones here...
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if ( isLogicalOneToOne( type ) ) {
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// We have a physical or logical one-to-one and from previous checks we know we
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// have a null value. See if the attribute cascade settings and action-type require
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// orphan checking
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if ( style.hasOrphanDelete() && action.deleteOrphans() ) {
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// value is orphaned if loaded state for this property shows not null
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// because it is currently null.
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final EntityEntry entry = eventSource.getPersistenceContext().getEntry( parent );
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if ( entry != null ) {
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final EntityType entityType = (EntityType) type;
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final Object loadedValue = entry.getLoadedValue( entityType.getPropertyName() );
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if ( loadedValue != null ) {
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final String entityName = entityType.getAssociatedEntityName();
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if ( log.isTraceEnabled() ) {
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log.trace( "deleting orphaned entity instance: " + entityName );
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}
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eventSource.delete( entityName, loadedValue, false, new HashSet() );
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}
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}
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}
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}
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}
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}
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/**
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* Check if the association is a one to one in the logical model (either a shared-pk
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* or unique fk).
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*
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* @param type The type representing the attribute metadata
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*
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* @return True if the attribute represents a logical one to one association
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*/
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private boolean isLogicalOneToOne(Type type) {
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if ( ! type.isEntityType() ) {
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return false;
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}
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final EntityType entityType = (EntityType) type;
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if ( entityType.isOneToOne() ) {
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// physical one-to-one
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return true;
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}
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// todo : still need to handle the many-to-one w/ property-ref
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// actually there is a question about whether the constrained side
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// can declare the orphan-delete. If not, then the side declaring
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// the orphan-delete can only ever be a <one-to-one/>
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return false;
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}
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private boolean cascadeAssociationNow(AssociationType associationType) {
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@ -0,0 +1,92 @@
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
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*
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* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
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* indicated by the @author tags or express copyright attribution
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* statements applied by the authors. All third-party contributions are
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* distributed under license by Red Hat Inc.
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*
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* This copyrighted material is made available to anyone wishing to use, modify,
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* copy, or redistribute it subject to the terms and conditions of the GNU
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* Lesser General Public License, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this distribution; if not, write to:
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* Free Software Foundation, Inc.
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* 51 Franklin Street, Fifth Floor
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* Boston, MA 02110-1301 USA
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*/
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package org.hibernate.test.orphan.one2one.fk.bidirectional;
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import java.util.List;
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import org.hibernate.Session;
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import org.hibernate.junit.functional.FunctionalTestCase;
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/**
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* TODO : javadoc
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*
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* @author Steve Ebersole
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*/
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public class DeleteOneToOneOrphansTest extends FunctionalTestCase {
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public DeleteOneToOneOrphansTest(String string) {
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super( string );
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}
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public String[] getMappings() {
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return new String[] { "orphan/one2one/fk/bidirectional/Mapping.hbm.xml" };
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}
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private void createData() {
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Session session = openSession();
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session.beginTransaction();
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Employee emp = new Employee();
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emp.setInfo( new EmployeeInfo( emp ) );
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session.save( emp );
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session.getTransaction().commit();
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session.close();
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}
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private void cleanupData() {
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Session session = openSession();
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session.beginTransaction();
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session.createQuery( "delete EmployeeInfo" ).executeUpdate();
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session.createQuery( "delete Employee" ).executeUpdate();
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session.getTransaction().commit();
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session.close();
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}
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public void testOrphanedWhileManaged() {
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createData();
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Session session = openSession();
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session.beginTransaction();
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List results = session.createQuery( "from EmployeeInfo" ).list();
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assertEquals( 1, results.size() );
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results = session.createQuery( "from Employee" ).list();
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assertEquals( 1, results.size() );
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Employee emp = ( Employee ) results.get( 0 );
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assertNotNull( emp.getInfo() );
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emp.setInfo( null );
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session.getTransaction().commit();
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session.close();
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session = openSession();
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session.beginTransaction();
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emp = ( Employee ) session.get( Employee.class, emp.getId() );
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assertNull( emp.getInfo() );
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results = session.createQuery( "from EmployeeInfo" ).list();
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assertEquals( 0, results.size() );
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results = session.createQuery( "from Employee" ).list();
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assertEquals( 1, results.size() );
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session.getTransaction().commit();
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session.close();
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cleanupData();
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}
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}
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@ -0,0 +1,50 @@
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
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*
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* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
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* indicated by the @author tags or express copyright attribution
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* statements applied by the authors. All third-party contributions are
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* distributed under license by Red Hat Inc.
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*
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* This copyrighted material is made available to anyone wishing to use, modify,
|
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* copy, or redistribute it subject to the terms and conditions of the GNU
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||||
* Lesser General Public License, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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||||
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this distribution; if not, write to:
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||||
* Free Software Foundation, Inc.
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* 51 Franklin Street, Fifth Floor
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* Boston, MA 02110-1301 USA
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*/
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package org.hibernate.test.orphan.one2one.fk.bidirectional;
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/**
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* TODO : javadoc
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*
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* @author Steve Ebersole
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*/
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public class Employee {
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private Long id;
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private EmployeeInfo info;
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public EmployeeInfo getInfo() {
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return info;
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}
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public void setInfo(EmployeeInfo info) {
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this.info = info;
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}
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}
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@ -0,0 +1,57 @@
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
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*
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* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
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* indicated by the @author tags or express copyright attribution
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* statements applied by the authors. All third-party contributions are
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* distributed under license by Red Hat Inc.
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*
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* 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.
|
||||
*
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||||
* 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.
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*
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* You should have received a copy of the GNU Lesser General Public License
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||||
* along with this distribution; if not, write to:
|
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* Free Software Foundation, Inc.
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* 51 Franklin Street, Fifth Floor
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* Boston, MA 02110-1301 USA
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*/
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package org.hibernate.test.orphan.one2one.fk.bidirectional;
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/**
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* TODO : javadoc
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*
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* @author Steve Ebersole
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*/
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public class EmployeeInfo {
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private Long id;
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private Employee employee;
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public EmployeeInfo() {
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}
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public EmployeeInfo(Employee employee) {
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this.employee = employee;
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}
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public Employee getEmployee() {
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return employee;
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}
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public void setEmployee(Employee employee) {
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this.employee = employee;
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}
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}
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@ -0,0 +1,53 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!--
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~ Hibernate, Relational Persistence for Idiomatic Java
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~
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~ Copyright (c) 2010, Red Hat Inc. or third-party contributors as
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~ 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.
|
||||
~
|
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~ 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.
|
||||
~
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~ 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.
|
||||
~
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||||
~ 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.
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~ 51 Franklin Street, Fifth Floor
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~ Boston, MA 02110-1301 USA
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-->
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<!DOCTYPE hibernate-mapping PUBLIC
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'-//Hibernate/Hibernate Mapping DTD 3.0//EN'
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'http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd'>
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<hibernate-mapping package="org.hibernate.test.orphan.one2one.fk.bidirectional" >
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<class name="Employee">
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<id name="id" type="long" column="id">
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<generator class="increment" />
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</id>
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<one-to-one name="info"
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property-ref="employee"
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class="EmployeeInfo"
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cascade="all,delete-orphan"
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constrained="false" />
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</class>
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<class name="EmployeeInfo">
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<id name="id" type="long" column="id">
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<generator class="increment" />
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</id>
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<many-to-one name="employee"
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column="employee_id"
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unique="true"
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not-null="true" />
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</class>
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</hibernate-mapping>
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@ -0,0 +1,92 @@
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
|
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*
|
||||
* Copyright (c) 2010, 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
|
||||
*/
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package org.hibernate.test.orphan.one2one.pk.bidirectional;
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import java.util.List;
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import org.hibernate.Session;
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import org.hibernate.junit.functional.FunctionalTestCase;
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/**
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* TODO : javadoc
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*
|
||||
* @author Steve Ebersole
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*/
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public class DeleteOneToOneOrphansTest extends FunctionalTestCase {
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public DeleteOneToOneOrphansTest(String string) {
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super( string );
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}
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public String[] getMappings() {
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return new String[] { "orphan/one2one/pk/bidirectional/Mapping.hbm.xml" };
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}
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private void createData() {
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Session session = openSession();
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session.beginTransaction();
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Employee emp = new Employee();
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emp.setInfo( new EmployeeInfo( emp ) );
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session.save( emp );
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session.getTransaction().commit();
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session.close();
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}
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private void cleanupData() {
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Session session = openSession();
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session.beginTransaction();
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session.createQuery( "delete EmployeeInfo" ).executeUpdate();
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session.createQuery( "delete Employee" ).executeUpdate();
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session.getTransaction().commit();
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session.close();
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}
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public void testOrphanedWhileManaged() {
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createData();
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Session session = openSession();
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session.beginTransaction();
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List results = session.createQuery( "from EmployeeInfo" ).list();
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assertEquals( 1, results.size() );
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results = session.createQuery( "from Employee" ).list();
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assertEquals( 1, results.size() );
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Employee emp = ( Employee ) results.get( 0 );
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assertNotNull( emp.getInfo() );
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emp.setInfo( null );
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session.getTransaction().commit();
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session.close();
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session = openSession();
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session.beginTransaction();
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emp = ( Employee ) session.get( Employee.class, emp.getId() );
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assertNull( emp.getInfo() );
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results = session.createQuery( "from EmployeeInfo" ).list();
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assertEquals( 0, results.size() );
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results = session.createQuery( "from Employee" ).list();
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assertEquals( 1, results.size() );
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session.getTransaction().commit();
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session.close();
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cleanupData();
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}
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}
|
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@ -0,0 +1,50 @@
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/*
|
||||
* Hibernate, Relational Persistence for Idiomatic Java
|
||||
*
|
||||
* Copyright (c) 2010, 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.test.orphan.one2one.pk.bidirectional;
|
||||
|
||||
/**
|
||||
* TODO : javadoc
|
||||
*
|
||||
* @author Steve Ebersole
|
||||
*/
|
||||
public class Employee {
|
||||
private Long id;
|
||||
private EmployeeInfo info;
|
||||
|
||||
public Long getId() {
|
||||
return id;
|
||||
}
|
||||
|
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public void setId(Long id) {
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||||
this.id = id;
|
||||
}
|
||||
|
||||
public EmployeeInfo getInfo() {
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return info;
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||||
}
|
||||
|
||||
public void setInfo(EmployeeInfo info) {
|
||||
this.info = info;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,57 @@
|
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/*
|
||||
* Hibernate, Relational Persistence for Idiomatic Java
|
||||
*
|
||||
* Copyright (c) 2010, 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.test.orphan.one2one.pk.bidirectional;
|
||||
|
||||
/**
|
||||
* TODO : javadoc
|
||||
*
|
||||
* @author Steve Ebersole
|
||||
*/
|
||||
public class EmployeeInfo {
|
||||
private Long id;
|
||||
private Employee employee;
|
||||
|
||||
public EmployeeInfo() {
|
||||
}
|
||||
|
||||
public EmployeeInfo(Employee employee) {
|
||||
this.employee = employee;
|
||||
}
|
||||
|
||||
public Long getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(Long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public Employee getEmployee() {
|
||||
return employee;
|
||||
}
|
||||
|
||||
public void setEmployee(Employee employee) {
|
||||
this.employee = employee;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,53 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<!--
|
||||
~ Hibernate, Relational Persistence for Idiomatic Java
|
||||
~
|
||||
~ Copyright (c) 2010, 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
|
||||
-->
|
||||
|
||||
<!DOCTYPE hibernate-mapping PUBLIC
|
||||
'-//Hibernate/Hibernate Mapping DTD 3.0//EN'
|
||||
'http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd'>
|
||||
|
||||
<hibernate-mapping package="org.hibernate.test.orphan.one2one.pk.bidirectional" >
|
||||
|
||||
<class name="Employee">
|
||||
<id name="id" type="long" column="id">
|
||||
<generator class="increment" />
|
||||
</id>
|
||||
<one-to-one name="info"
|
||||
class="EmployeeInfo"
|
||||
cascade="all,delete-orphan"
|
||||
constrained="false" />
|
||||
</class>
|
||||
|
||||
<class name="EmployeeInfo">
|
||||
<id name="id" type="long" column="id">
|
||||
<generator class="foreign">
|
||||
<param name="property">employee</param>
|
||||
</generator>
|
||||
</id>
|
||||
<one-to-one name="employee"
|
||||
class="Employee"
|
||||
constrained="true" />
|
||||
</class>
|
||||
|
||||
</hibernate-mapping>
|
Loading…
Reference in New Issue