/*******************************************************************************
 * Copyright (c) 2009, 2011 Oracle. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0, which accompanies this distribution
 * and is available at http://www.eclipse.org/legal/epl-v10.html.
 * 
 * Contributors:
 *     Oracle - initial API and implementation
 ******************************************************************************/
package org.eclipse.jpt.jpa.eclipselink.core.tests.internal.context.java;

import java.util.Iterator;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jpt.common.core.resource.java.JavaResourceField;
import org.eclipse.jpt.common.core.resource.java.JavaResourceType;
import org.eclipse.jpt.common.core.resource.java.JavaResourceAnnotatedElement.Kind;
import org.eclipse.jpt.common.core.tests.internal.projects.TestJavaProject.SourceWriter;
import org.eclipse.jpt.common.utility.internal.iterables.EmptyIterable;
import org.eclipse.jpt.common.utility.internal.iterators.ArrayIterator;
import org.eclipse.jpt.jpa.core.MappingKeys;
import org.eclipse.jpt.jpa.core.context.AttributeMapping;
import org.eclipse.jpt.jpa.core.context.OneToOneMapping;
import org.eclipse.jpt.jpa.core.context.PersistentAttribute;
import org.eclipse.jpt.jpa.core.context.java.JavaBasicMapping;
import org.eclipse.jpt.jpa.core.context.java.JavaPersistentAttribute;
import org.eclipse.jpt.jpa.core.context.java.JavaPersistentType;
import org.eclipse.jpt.jpa.core.context.orm.OrmPersistentType;
import org.eclipse.jpt.jpa.core.context.orm.OrmReadOnlyPersistentAttribute;
import org.eclipse.jpt.jpa.core.jpa2.context.OneToOneMapping2_0;
import org.eclipse.jpt.jpa.core.jpa2.context.OneToOneRelationship2_0;
import org.eclipse.jpt.jpa.core.jpa2.context.java.JavaManyToOneMapping2_0;
import org.eclipse.jpt.jpa.core.jpa2.context.java.JavaOneToOneMapping2_0;
import org.eclipse.jpt.jpa.core.jpa2.context.java.JavaOrphanRemovable2_0;
import org.eclipse.jpt.jpa.core.jpa2.context.java.JavaOrphanRemovalHolder2_0;
import org.eclipse.jpt.jpa.core.jpa2.resource.java.JPA2_0;
import org.eclipse.jpt.jpa.core.jpa2.resource.java.MapsId2_0Annotation;
import org.eclipse.jpt.jpa.core.jpa2.resource.java.OneToOne2_0Annotation;
import org.eclipse.jpt.jpa.core.resource.java.JPA;
import org.eclipse.jpt.jpa.core.resource.java.OneToOneAnnotation;
import org.eclipse.jpt.jpa.eclipselink.core.tests.internal.context.EclipseLink2_0ContextModelTestCase;

@SuppressWarnings("nls")
public class EclipseLink2_0JavaOneToOneMappingTests
	extends EclipseLink2_0ContextModelTestCase
{
	public EclipseLink2_0JavaOneToOneMappingTests(String name) {
		super(name);
	}
	
	
	private void createTestEntity() throws Exception {
		createTestType(new DefaultAnnotationWriter() {
			@Override
			public Iterator<String> imports() {
				return new ArrayIterator<String>(JPA.ENTITY, JPA.ONE_TO_ONE);
			}
			
			@Override
			public void appendTypeAnnotationTo(StringBuilder sb) {
				sb.append("@Entity");
				sb.append(CR);
			}
			
			@Override
			public void appendIdFieldAnnotationTo(StringBuilder sb) {
				sb.append(CR);
				sb.append("    @OneToOne");
				sb.append(CR);
				sb.append("    private Address address;");
				sb.append(CR);
				sb.append(CR);
				sb.append("    @Id");			
			}
		});
	}

	private void createTestEntityWithValidOneToOneMappingOrphanRemovalSpecified() throws Exception {
		createTestType(new DefaultAnnotationWriter() {
			@Override
			public Iterator<String> imports() {
				return new ArrayIterator<String>(JPA.ENTITY, JPA.ONE_TO_ONE);
			}
			
			@Override
			public void appendTypeAnnotationTo(StringBuilder sb) {
				sb.append("@Entity");
				sb.append(CR);
			}
			
			@Override
			public void appendIdFieldAnnotationTo(StringBuilder sb) {
				sb.append(CR);
				sb.append("    @OneToOne(orphanRemoval=false)");
				sb.append(CR);
				sb.append("    private Address address;");
				sb.append(CR);
				sb.append(CR);
				sb.append("    @Id");			
			}
		});
	}
	
	private ICompilationUnit createTestEntityWithIdDerivedIdentity() throws Exception {
		return this.createTestType(new DefaultAnnotationWriter() {
			@Override
			public Iterator<String> imports() {
				return new ArrayIterator<String>(JPA.ENTITY, JPA.ONE_TO_ONE, JPA.ID);
			}
			@Override
			public void appendTypeAnnotationTo(StringBuilder sb) {
				sb.append("@Entity").append(CR);
			}
			
			@Override
			public void appendIdFieldAnnotationTo(StringBuilder sb) {
				sb.append(CR);
				sb.append("    @OneToOne @Id").append(CR);				
				sb.append("    private " + TYPE_NAME + " oneToOne;").append(CR);
				sb.append(CR);				
			}
		});
	}
	
	private void createTestEntityWithMapsIdDerivedIdentity() throws Exception {
		createTestType(new DefaultAnnotationWriter() {
			@Override
			public Iterator<String> imports() {
				return new ArrayIterator<String>(JPA.ENTITY, JPA.ONE_TO_ONE, JPA2_0.MAPS_ID);
			}
			@Override
			public void appendTypeAnnotationTo(StringBuilder sb) {
				sb.append("@Entity").append(CR);
			}
			
			@Override
			public void appendIdFieldAnnotationTo(StringBuilder sb) {
				sb.append(CR);
				sb.append("    @OneToOne @MapsId").append(CR);				
				sb.append("    private " + TYPE_NAME + " oneToOne;").append(CR);
				sb.append(CR);				
			}
		});
		OrmPersistentType ormPersistentType = getEntityMappings().addPersistentType(MappingKeys.ENTITY_TYPE_MAPPING_KEY, FULLY_QUALIFIED_TYPE_NAME);
		for (OrmReadOnlyPersistentAttribute each : ormPersistentType.getAttributes()) {
			each.convertToSpecified();
		}
	}
	
	private ICompilationUnit createTestEntityWithValidOneToOneMapping() throws Exception {
		return this.createTestType(new DefaultAnnotationWriter() {
			@Override
			public Iterator<String> imports() {
				return new ArrayIterator<String>(JPA.ENTITY, JPA.ONE_TO_ONE, JPA.ID);
			}
			@Override
			public void appendTypeAnnotationTo(StringBuilder sb) {
				sb.append("@Entity").append(CR);
			}
			
			@Override
			public void appendIdFieldAnnotationTo(StringBuilder sb) {
				sb.append(CR);
				sb.append("    @OneToOne").append(CR);				
				sb.append("    private Address address;").append(CR);
				sb.append(CR);
				sb.append("    @Id").append(CR);				
			}
		});
	}
	
	private void createTestTargetEntityAddress() throws Exception {
		SourceWriter sourceWriter = new SourceWriter() {
			public void appendSourceTo(StringBuilder sb) {
				sb.append(CR);
					sb.append("import ");
					sb.append(JPA.ENTITY);
					sb.append(";");
					sb.append(CR);
					sb.append("import ");
					sb.append(JPA.ID);
					sb.append(";");
					sb.append(CR);
					sb.append("import ");
					sb.append(JPA.EMBEDDED);
					sb.append(";");
					sb.append(CR);
				sb.append("@Entity");
				sb.append(CR);
				sb.append("public class ").append("Address").append(" ");
				sb.append("{").append(CR);
				sb.append(CR);
				sb.append("    @Id").append(CR);
				sb.append("    private int id;").append(CR);
				sb.append(CR);
				sb.append("    private String city;").append(CR);
				sb.append(CR);
				sb.append("    @Embedded").append(CR);
				sb.append("    private State state;").append(CR);
				sb.append(CR);
				sb.append("    private int zip;").append(CR);
				sb.append(CR);
				sb.append("}").append(CR);
		}
		};
		this.javaProject.createCompilationUnit(PACKAGE_NAME, "Address.java", sourceWriter);
	}

	private void createTestTargetEntityAddressWithElementCollection() throws Exception {
		SourceWriter sourceWriter = new SourceWriter() {
			public void appendSourceTo(StringBuilder sb) {
				sb.append(CR);
					sb.append("import ");
					sb.append(JPA.ENTITY);
					sb.append(";");
					sb.append(CR);
					sb.append("import ");
					sb.append(JPA.ID);
					sb.append(";");
					sb.append(CR);
					sb.append("import ");
					sb.append(JPA2_0.ELEMENT_COLLECTION);
					sb.append(";");
					sb.append(CR);
				sb.append("@Entity");
				sb.append(CR);
				sb.append("public class ").append("Address").append(" ");
				sb.append("{").append(CR);
				sb.append(CR);
				sb.append("    @Id").append(CR);
				sb.append("    private int id;").append(CR);
				sb.append(CR);
				sb.append("    private String city;").append(CR);
				sb.append(CR);
				sb.append("    @ElementCollection").append(CR);
				sb.append("    private java.util.Collection<State> state;").append(CR);
				sb.append(CR);
				sb.append("    private int zip;").append(CR);
				sb.append(CR);
				sb.append("}").append(CR);
		}
		};
		this.javaProject.createCompilationUnit(PACKAGE_NAME, "Address.java", sourceWriter);
	}
	
	private void createTestEmbeddableState() throws Exception {
		SourceWriter sourceWriter = new SourceWriter() {
			public void appendSourceTo(StringBuilder sb) {
				sb.append(CR);
					sb.append("import ");
					sb.append(JPA.EMBEDDABLE);
					sb.append(";");
					sb.append(CR);
				sb.append("@Embeddable");
				sb.append(CR);
				sb.append("public class ").append("State").append(" ");
				sb.append("{").append(CR);
				sb.append(CR);
				sb.append("    private String foo;").append(CR);
				sb.append(CR);
				sb.append("    private Address address;").append(CR);
				sb.append(CR);
				sb.append("}").append(CR);
		}
		};
		this.javaProject.createCompilationUnit(PACKAGE_NAME, "State.java", sourceWriter);
	}
	
	public void testUpdateDerivedId() throws Exception {
		createTestEntityWithIdDerivedIdentity();
		addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);
		JavaResourceType resourceType = (JavaResourceType) getJpaProject().getJavaResourceType(FULLY_QUALIFIED_TYPE_NAME, Kind.TYPE);
		JavaResourceField resourceField = resourceType.getFields().iterator().next();
		JavaPersistentType contextType = getJavaPersistentType();
		JavaPersistentAttribute contextAttribute = contextType.getAttributeNamed("oneToOne");
		JavaOneToOneMapping2_0 contextMapping = (JavaOneToOneMapping2_0) contextAttribute.getMapping();
		
		assertNotNull(resourceField.getAnnotation(JPA.ID));
		assertTrue(contextMapping.getDerivedIdentity().getIdDerivedIdentityStrategy().getValue());
		
		resourceField.removeAnnotation(JPA.ID);
		getJpaProject().synchronizeContextModel();
		assertNull(resourceField.getAnnotation(JPA.ID));
		assertFalse(contextMapping.getDerivedIdentity().getIdDerivedIdentityStrategy().getValue());
		
		resourceField.addAnnotation(JPA.ID);
		getJpaProject().synchronizeContextModel();
		assertNotNull(resourceField.getAnnotation(JPA.ID));
		assertTrue(contextMapping.getDerivedIdentity().getIdDerivedIdentityStrategy().getValue());
	}
	
	public void testSetDerivedId() throws Exception {
		createTestEntityWithIdDerivedIdentity();
		addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);
		JavaResourceType resourceType = (JavaResourceType) getJpaProject().getJavaResourceType(FULLY_QUALIFIED_TYPE_NAME, Kind.TYPE);
		JavaResourceField resourceField = resourceType.getFields().iterator().next();
		JavaPersistentType contextType = getJavaPersistentType();
		JavaPersistentAttribute contextAttribute = contextType.getAttributeNamed("oneToOne");
		JavaOneToOneMapping2_0 contextMapping = (JavaOneToOneMapping2_0) contextAttribute.getMapping();
		
		assertNotNull(resourceField.getAnnotation(JPA.ID));
		assertTrue(contextMapping.getDerivedIdentity().getIdDerivedIdentityStrategy().getValue());
		
		contextMapping.getDerivedIdentity().getIdDerivedIdentityStrategy().setValue(false);
		assertNull(resourceField.getAnnotation(JPA.ID));
		assertFalse(contextMapping.getDerivedIdentity().getIdDerivedIdentityStrategy().getValue());
		
		contextMapping.getDerivedIdentity().getIdDerivedIdentityStrategy().setValue(true);
		assertNotNull(resourceField.getAnnotation(JPA.ID));
		assertTrue(contextMapping.getDerivedIdentity().getIdDerivedIdentityStrategy().getValue());
	}
	
	public void testUpdateMapsId() throws Exception {
		createTestEntityWithMapsIdDerivedIdentity();
		addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);
		JavaResourceType resourceType = (JavaResourceType) getJpaProject().getJavaResourceType(FULLY_QUALIFIED_TYPE_NAME, Kind.TYPE);
		JavaResourceField resourceField = resourceType.getFields().iterator().next();
		JavaPersistentType contextType = getJavaPersistentType();
		JavaPersistentAttribute contextAttribute = contextType.getAttributeNamed("oneToOne");
		JavaOneToOneMapping2_0 contextMapping = (JavaOneToOneMapping2_0) contextAttribute.getMapping();
		
		assertNotNull(resourceField.getAnnotation(JPA2_0.MAPS_ID));
		assertNull(contextMapping.getDerivedIdentity().getMapsIdDerivedIdentityStrategy().getSpecifiedIdAttributeName());
		
		MapsId2_0Annotation annotation = 
				(MapsId2_0Annotation) resourceField.getAnnotation(JPA2_0.MAPS_ID);
		annotation.setValue("foo");
		getJpaProject().synchronizeContextModel();
		assertEquals("foo", annotation.getValue());
		assertEquals("foo", contextMapping.getDerivedIdentity().getMapsIdDerivedIdentityStrategy().getSpecifiedIdAttributeName());
		
		annotation.setValue("bar");
		getJpaProject().synchronizeContextModel();
		assertEquals("bar", annotation.getValue());
		assertEquals("bar", contextMapping.getDerivedIdentity().getMapsIdDerivedIdentityStrategy().getSpecifiedIdAttributeName());
		
		resourceField.removeAnnotation(JPA2_0.MAPS_ID);
		getJpaProject().synchronizeContextModel();
		assertNull(resourceField.getAnnotation(JPA2_0.MAPS_ID));
		assertNull(contextMapping.getDerivedIdentity().getMapsIdDerivedIdentityStrategy().getSpecifiedIdAttributeName());
	}
	
	public void testSetMapsId() throws Exception {
		createTestEntity();
		addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);
		JavaResourceType resourceType = (JavaResourceType) getJpaProject().getJavaResourceType(FULLY_QUALIFIED_TYPE_NAME, Kind.TYPE);
		JavaResourceField resourceField = resourceType.getFields().iterator().next();
		JavaPersistentType contextType = getJavaPersistentType();
		JavaPersistentAttribute contextAttribute = contextType.getAttributeNamed("address");
		JavaOneToOneMapping2_0 contextMapping = (JavaOneToOneMapping2_0) contextAttribute.getMapping();
		
		assertNull(resourceField.getAnnotation(JPA2_0.MAPS_ID));
		assertNull(contextMapping.getDerivedIdentity().getMapsIdDerivedIdentityStrategy().getSpecifiedIdAttributeName());
		
		contextMapping.getDerivedIdentity().getMapsIdDerivedIdentityStrategy().setSpecifiedIdAttributeName("foo");
		MapsId2_0Annotation annotation = 
				(MapsId2_0Annotation) resourceField.getAnnotation(JPA2_0.MAPS_ID);
		assertNotNull(annotation);
		assertEquals("foo", annotation.getValue());
		assertEquals("foo", contextMapping.getDerivedIdentity().getMapsIdDerivedIdentityStrategy().getSpecifiedIdAttributeName());
		
		contextMapping.getDerivedIdentity().getMapsIdDerivedIdentityStrategy().setSpecifiedIdAttributeName("bar");
		assertEquals("bar", annotation.getValue());
		assertEquals("bar", contextMapping.getDerivedIdentity().getMapsIdDerivedIdentityStrategy().getSpecifiedIdAttributeName());
		
		contextMapping.getDerivedIdentity().getMapsIdDerivedIdentityStrategy().setSpecifiedIdAttributeName(null);
		assertNotNull(resourceField.getAnnotation(JPA2_0.MAPS_ID));
		assertNull(contextMapping.getDerivedIdentity().getMapsIdDerivedIdentityStrategy().getSpecifiedIdAttributeName());
	}
	
	public void testMorphMapping() throws Exception {
		createTestEntityWithIdDerivedIdentity();
		addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);
		JavaResourceType resourceType = (JavaResourceType) getJpaProject().getJavaResourceType(FULLY_QUALIFIED_TYPE_NAME, Kind.TYPE);
		JavaResourceField resourceField = resourceType.getFields().iterator().next();
		JavaPersistentType contextType = getJavaPersistentType();
		JavaPersistentAttribute contextAttribute = contextType.getAttributeNamed("oneToOne");
		
		assertNotNull(resourceField.getAnnotation(JPA.ID));
		assertTrue(((JavaOneToOneMapping2_0) contextAttribute.getMapping()).
				getDerivedIdentity().getIdDerivedIdentityStrategy().getValue());
		assertNull(resourceField.getAnnotation(JPA2_0.MAPS_ID));
		assertNull(((JavaOneToOneMapping2_0) contextAttribute.getMapping()).
				getDerivedIdentity().getMapsIdDerivedIdentityStrategy().getSpecifiedIdAttributeName());
		
		contextAttribute.setMappingKey(MappingKeys.ONE_TO_ONE_ATTRIBUTE_MAPPING_KEY);
		assertNotNull(resourceField.getAnnotation(JPA.ID));
		assertTrue(((JavaOneToOneMapping2_0) contextAttribute.getMapping()).
				getDerivedIdentity().getIdDerivedIdentityStrategy().getValue());
		assertNull(resourceField.getAnnotation(JPA2_0.MAPS_ID));
		assertNull(((JavaOneToOneMapping2_0) contextAttribute.getMapping()).
				getDerivedIdentity().getMapsIdDerivedIdentityStrategy().getSpecifiedIdAttributeName());
		
		contextAttribute.setMappingKey(MappingKeys.MANY_TO_ONE_ATTRIBUTE_MAPPING_KEY);
		assertNotNull(resourceField.getAnnotation(JPA.ID));
		assertTrue(((JavaManyToOneMapping2_0) contextAttribute.getMapping()).
				getDerivedIdentity().getIdDerivedIdentityStrategy().getValue());
		assertNull(resourceField.getAnnotation(JPA2_0.MAPS_ID));
		assertNull(((JavaManyToOneMapping2_0) contextAttribute.getMapping()).
				getDerivedIdentity().getMapsIdDerivedIdentityStrategy().getSpecifiedIdAttributeName());
		
		// this is no longer supported (it was a bit of a testing hack anyway...)
		// contextAttribute.setMappingKey(MappingKeys.ID_ATTRIBUTE_MAPPING_KEY);
		// the *real* test is whether the Id annotation still results in a 1:1 mapping...
		contextAttribute.setMappingKey(null);  // clear any mapping annotation
		resourceField.addAnnotation(JPA.ID);  // add Id annotation
		this.getJpaProject().synchronizeContextModel();
		assertNotNull(resourceField.getAnnotation(JPA.ID));
		assertNull(resourceField.getAnnotation(JPA2_0.MAPS_ID));
		assertTrue(contextAttribute.getMapping() instanceof JavaOneToOneMapping2_0);
		
		contextAttribute.setMappingKey(MappingKeys.MANY_TO_ONE_ATTRIBUTE_MAPPING_KEY);
		assertNotNull(resourceField.getAnnotation(JPA.ID));
		assertNull(resourceField.getAnnotation(JPA2_0.MAPS_ID));
		assertTrue(contextAttribute.getMapping() instanceof JavaManyToOneMapping2_0);	
		
		contextAttribute.setMappingKey(MappingKeys.BASIC_ATTRIBUTE_MAPPING_KEY);
		assertNull(resourceField.getAnnotation(JPA.ID));
		assertNull(resourceField.getAnnotation(JPA2_0.MAPS_ID));
		assertTrue(contextAttribute.getMapping() instanceof JavaBasicMapping);
	}
	
	public void testCandidateMappedByAttributeNames() throws Exception {
		createTestEntityWithValidOneToOneMapping();
		createTestTargetEntityAddress();
		createTestEmbeddableState();
		addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);
		addXmlClassRef(PACKAGE_NAME + ".Address");
		addXmlClassRef(PACKAGE_NAME + ".State");
		
		PersistentAttribute persistentAttribute = (getJavaPersistentType()).getAttributes().iterator().next();
		OneToOneMapping oneToOneMapping = (OneToOneMapping) persistentAttribute.getMapping();

		Iterator<String> attributeNames = 
			oneToOneMapping.getRelationship().getMappedByStrategy().getCandidateMappedByAttributeNames().iterator();
		assertEquals("id", attributeNames.next());
		assertEquals("city", attributeNames.next());
		assertEquals("state", attributeNames.next());
		assertEquals("state.foo", attributeNames.next());
		assertEquals("state.address", attributeNames.next());
		assertEquals("zip", attributeNames.next());
		assertFalse(attributeNames.hasNext());
		
		oneToOneMapping.setSpecifiedTargetEntity("foo");
		attributeNames = 
			oneToOneMapping.getRelationship().getMappedByStrategy().getCandidateMappedByAttributeNames().iterator();
		assertFalse(attributeNames.hasNext());
		
		oneToOneMapping.setSpecifiedTargetEntity(null);
		attributeNames = 
			oneToOneMapping.getRelationship().getMappedByStrategy().getCandidateMappedByAttributeNames().iterator();
		assertEquals("id", attributeNames.next());
		assertEquals("city", attributeNames.next());
		assertEquals("state", attributeNames.next());
		assertEquals("state.foo", attributeNames.next());
		assertEquals("state.address", attributeNames.next());
		assertEquals("zip", attributeNames.next());
		assertFalse(attributeNames.hasNext());
		
		AttributeMapping stateFooMapping = oneToOneMapping.getResolvedTargetEntity().resolveAttributeMapping("state.foo");
		assertEquals("foo", stateFooMapping.getName());
	}
	
	public void testCandidateMappedByAttributeNamesElementCollection() throws Exception {
		createTestEntityWithValidOneToOneMapping();
		createTestTargetEntityAddressWithElementCollection();
		createTestEmbeddableState();
		addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);
		addXmlClassRef(PACKAGE_NAME + ".Address");
		addXmlClassRef(PACKAGE_NAME + ".State");
		
		PersistentAttribute persistentAttribute = (getJavaPersistentType()).getAttributes().iterator().next();
		OneToOneMapping oneToOneMapping = (OneToOneMapping) persistentAttribute.getMapping();

		Iterator<String> attributeNames = 
			oneToOneMapping.getRelationship().getMappedByStrategy().getCandidateMappedByAttributeNames().iterator();
		assertEquals("id", attributeNames.next());
		assertEquals("city", attributeNames.next());
		assertEquals("state", attributeNames.next());
		assertEquals("state.foo", attributeNames.next());
		assertEquals("state.address", attributeNames.next());
		assertEquals("zip", attributeNames.next());
		assertFalse(attributeNames.hasNext());
		
		oneToOneMapping.setSpecifiedTargetEntity("foo");
		attributeNames = 
			oneToOneMapping.getRelationship().getMappedByStrategy().getCandidateMappedByAttributeNames().iterator();
		assertFalse(attributeNames.hasNext());
		
		oneToOneMapping.setSpecifiedTargetEntity(null);
		attributeNames = 
			oneToOneMapping.getRelationship().getMappedByStrategy().getCandidateMappedByAttributeNames().iterator();
		assertEquals("id", attributeNames.next());
		assertEquals("city", attributeNames.next());
		assertEquals("state", attributeNames.next());
		assertEquals("state.foo", attributeNames.next());
		assertEquals("state.address", attributeNames.next());
		assertEquals("zip", attributeNames.next());
		assertFalse(attributeNames.hasNext());
		
		AttributeMapping stateFooMapping = oneToOneMapping.getResolvedTargetEntity().resolveAttributeMapping("state.foo");
		assertEquals("foo", stateFooMapping.getName());
	}

	private JavaOrphanRemovable2_0 getOrphanRemovalOf(OneToOneMapping2_0 oneToOneMapping) {
		return ((JavaOrphanRemovalHolder2_0) oneToOneMapping).getOrphanRemoval();
	}

	public void testDefaultOneToOneGetDefaultOrphanRemoval() throws Exception {
		this.createTestEntity();
		this.addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);
		
		PersistentAttribute persistentAttribute = getJavaPersistentType().getAttributes().iterator().next();
		OneToOneMapping2_0 oneToOneMapping = (OneToOneMapping2_0) persistentAttribute.getMapping();
		assertEquals(false, this.getOrphanRemovalOf(oneToOneMapping).isDefaultOrphanRemoval());
	}
	
	public void testSpecifiedOneToOneGetDefaultOrphanRemoval() throws Exception {
		this.createTestEntity();
		this.addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);
		
		PersistentAttribute persistentAttribute = getJavaPersistentType().getAttributes().iterator().next();
		OneToOneMapping2_0 oneToOneMapping = (OneToOneMapping2_0) persistentAttribute.getMapping();
		assertEquals(false, this.getOrphanRemovalOf(oneToOneMapping).isDefaultOrphanRemoval());
	}
	
	public void testGetOrphanRemoval() throws Exception {
		this.createTestEntity();
		this.addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);
		
		PersistentAttribute persistentAttribute = getJavaPersistentType().getAttributes().iterator().next();
		OneToOneMapping2_0 oneToOneMapping = (OneToOneMapping2_0) persistentAttribute.getMapping();
		JavaOrphanRemovable2_0 mappingsOrphanRemoval = this.getOrphanRemovalOf(oneToOneMapping);

		assertEquals(false, mappingsOrphanRemoval.isOrphanRemoval());
		
		mappingsOrphanRemoval.setSpecifiedOrphanRemoval(Boolean.TRUE);
		assertEquals(true, mappingsOrphanRemoval.isOrphanRemoval());
	}
	
	public void testGetSpecifiedOrphanRemoval() throws Exception {
		this.createTestEntity();
		this.addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);
		
		PersistentAttribute persistentAttribute = getJavaPersistentType().getAttributes().iterator().next();
		OneToOneMapping2_0 oneToOneMapping = (OneToOneMapping2_0) persistentAttribute.getMapping();
		JavaOrphanRemovable2_0 mappingsOrphanRemoval = this.getOrphanRemovalOf(oneToOneMapping);

		assertNull(mappingsOrphanRemoval.getSpecifiedOrphanRemoval());
		
		JavaResourceType resourceType = (JavaResourceType) getJpaProject().getJavaResourceType(FULLY_QUALIFIED_TYPE_NAME, Kind.TYPE);
		JavaResourceField resourceField = resourceType.getFields().iterator().next();
		OneToOne2_0Annotation oneToOne = (OneToOne2_0Annotation) resourceField.getAnnotation(JPA.ONE_TO_ONE);
		oneToOne.setOrphanRemoval(Boolean.FALSE);
		getJpaProject().synchronizeContextModel();
		
		assertEquals(Boolean.FALSE, mappingsOrphanRemoval.getSpecifiedOrphanRemoval());
	}
	
	public void testGetSpecifiedOrphanRemoval2() throws Exception {
		this.createTestEntityWithValidOneToOneMappingOrphanRemovalSpecified();
		this.addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);
		
		PersistentAttribute persistentAttribute = getJavaPersistentType().getAttributes().iterator().next();
		OneToOneMapping2_0 oneToOneMapping = (OneToOneMapping2_0) persistentAttribute.getMapping();

		assertEquals(Boolean.FALSE, this.getOrphanRemovalOf(oneToOneMapping).getSpecifiedOrphanRemoval());
	}

	public void testSetSpecifiedOrphanRemoval() throws Exception {
		this.createTestEntity();
		this.addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);
		
		PersistentAttribute persistentAttribute = getJavaPersistentType().getAttributes().iterator().next();
		OneToOneMapping2_0 oneToOneMapping = (OneToOneMapping2_0) persistentAttribute.getMapping();
		JavaOrphanRemovable2_0 mappingsOrphanRemoval = this.getOrphanRemovalOf(oneToOneMapping);
		assertNull(mappingsOrphanRemoval.getSpecifiedOrphanRemoval());
		
		mappingsOrphanRemoval.setSpecifiedOrphanRemoval(Boolean.TRUE);
		
		JavaResourceType resourceType = (JavaResourceType) getJpaProject().getJavaResourceType(FULLY_QUALIFIED_TYPE_NAME, Kind.TYPE);
		JavaResourceField resourceField = resourceType.getFields().iterator().next();
		OneToOne2_0Annotation oneToOne = (OneToOne2_0Annotation) resourceField.getAnnotation(JPA.ONE_TO_ONE);
		
		assertEquals(Boolean.TRUE, oneToOne.getOrphanRemoval());
		
		mappingsOrphanRemoval.setSpecifiedOrphanRemoval(null);
		assertNotNull(resourceField.getAnnotation(JPA.ONE_TO_ONE)); 	// .getElement);
	}
	
	public void testSetSpecifiedOrphanRemoval2() throws Exception {
		this.createTestEntity();
		this.addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);
		
		PersistentAttribute persistentAttribute = getJavaPersistentType().getAttributes().iterator().next();
		OneToOneMapping2_0 oneToOneMapping = (OneToOneMapping2_0) persistentAttribute.getMapping();
		JavaOrphanRemovable2_0 mappingsOrphanRemoval = this.getOrphanRemovalOf(oneToOneMapping);
		assertNull(mappingsOrphanRemoval.getSpecifiedOrphanRemoval());
		
		mappingsOrphanRemoval.setSpecifiedOrphanRemoval(Boolean.TRUE);
		
		JavaResourceType resourceType = (JavaResourceType) getJpaProject().getJavaResourceType(FULLY_QUALIFIED_TYPE_NAME, Kind.TYPE);
		JavaResourceField resourceField = resourceType.getFields().iterator().next();
		OneToOne2_0Annotation oneToOne = (OneToOne2_0Annotation) resourceField.getAnnotation(JPA.ONE_TO_ONE);
		
		assertEquals(Boolean.TRUE, oneToOne.getOrphanRemoval());
		
		oneToOneMapping = (OneToOneMapping2_0) persistentAttribute.getMapping();
		mappingsOrphanRemoval = this.getOrphanRemovalOf(oneToOneMapping);
		assertEquals(Boolean.TRUE, mappingsOrphanRemoval.getSpecifiedOrphanRemoval());

		mappingsOrphanRemoval.setSpecifiedOrphanRemoval(null);
		assertNotNull(resourceField.getAnnotation(JPA.ONE_TO_ONE));
	}

	public void testGetSpecifiedOrphanRemovalUpdatesFromResourceModelChange() throws Exception {
		this.createTestEntity();
		this.addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);
		
		PersistentAttribute persistentAttribute = getJavaPersistentType().getAttributes().iterator().next();
		OneToOneMapping2_0 oneToOneMapping = (OneToOneMapping2_0) persistentAttribute.getMapping();
		JavaOrphanRemovable2_0 mappingsOrphanRemoval = this.getOrphanRemovalOf(oneToOneMapping);

		assertNull(mappingsOrphanRemoval.getSpecifiedOrphanRemoval());

		JavaResourceType resourceType = (JavaResourceType) getJpaProject().getJavaResourceType(FULLY_QUALIFIED_TYPE_NAME, Kind.TYPE);
		JavaResourceField resourceField = resourceType.getFields().iterator().next();
		OneToOne2_0Annotation oneToOne = (OneToOne2_0Annotation) resourceField.getAnnotation(JPA.ONE_TO_ONE);
		oneToOne.setOrphanRemoval(Boolean.FALSE);
		getJpaProject().synchronizeContextModel();

		assertEquals(Boolean.FALSE, mappingsOrphanRemoval.getSpecifiedOrphanRemoval());
		
		oneToOne.setOrphanRemoval(null);
		getJpaProject().synchronizeContextModel();
		assertNull(mappingsOrphanRemoval.getSpecifiedOrphanRemoval());
		assertSame(oneToOneMapping, persistentAttribute.getMapping());
		
		oneToOne.setOrphanRemoval(Boolean.FALSE);
		resourceField.setPrimaryAnnotation(null, EmptyIterable.<String>instance());
		getJpaProject().synchronizeContextModel();
		
		assertTrue(persistentAttribute.getMapping().isDefault());
	}

	public void testModifyPredominantJoiningStrategy() throws Exception {
		createTestEntityWithValidOneToOneMapping();
		addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);

		JavaResourceType resourceType = (JavaResourceType) getJpaProject().getJavaResourceType(FULLY_QUALIFIED_TYPE_NAME, Kind.TYPE);
		JavaResourceField resourceField = resourceType.getFields().iterator().next();
		OneToOneAnnotation annotation = (OneToOneAnnotation) resourceField.getAnnotation(JPA.ONE_TO_ONE);
		PersistentAttribute contextAttribute = getJavaPersistentType().getAttributes().iterator().next();
		OneToOneMapping2_0 mapping = (OneToOneMapping2_0) contextAttribute.getMapping();
		OneToOneRelationship2_0 rel = (OneToOneRelationship2_0) mapping.getRelationship();

		assertNull(resourceField.getAnnotation(0, JPA.JOIN_COLUMN));
		assertNull(resourceField.getAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN));
		assertNull(annotation.getMappedBy());
		assertNull(resourceField.getAnnotation(JPA.JOIN_TABLE));
		assertTrue(rel.strategyIsJoinColumn());
		assertFalse(rel.strategyIsPrimaryKeyJoinColumn());
		assertFalse(rel.strategyIsMappedBy());
		assertFalse(rel.strategyIsJoinTable());

		rel.setStrategyToPrimaryKeyJoinColumn();
		assertNull(resourceField.getAnnotation(0, JPA.JOIN_COLUMN));
		assertNotNull(resourceField.getAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN));
		assertNull(annotation.getMappedBy());
		assertNull(resourceField.getAnnotation(JPA.JOIN_TABLE));
		assertFalse(rel.strategyIsJoinColumn());
		assertTrue(rel.strategyIsPrimaryKeyJoinColumn());
		assertFalse(rel.strategyIsMappedBy());
		assertFalse(rel.strategyIsJoinTable());

		rel.setStrategyToMappedBy();
		assertNull(resourceField.getAnnotation(0, JPA.JOIN_COLUMN));
		assertNull(resourceField.getAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN));
		assertNotNull(annotation.getMappedBy());
		assertNull(resourceField.getAnnotation(JPA.JOIN_TABLE));
		assertFalse(rel.strategyIsJoinColumn());
		assertFalse(rel.strategyIsPrimaryKeyJoinColumn());
		assertTrue(rel.strategyIsMappedBy());
		assertFalse(rel.strategyIsJoinTable());

		rel.setStrategyToJoinTable();
		assertNull(resourceField.getAnnotation(0, JPA.JOIN_COLUMN));
		assertNull(resourceField.getAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN));
		assertNull(annotation.getMappedBy());
		assertNotNull(resourceField.getAnnotation(JPA.JOIN_TABLE));
		assertFalse(rel.strategyIsJoinColumn());
		assertFalse(rel.strategyIsPrimaryKeyJoinColumn());
		assertFalse(rel.strategyIsMappedBy());
		assertTrue(rel.strategyIsJoinTable());

		rel.setStrategyToJoinColumn();
		assertNull(resourceField.getAnnotation(0, JPA.JOIN_COLUMN));
		assertNull(resourceField.getAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN));
		assertNull(annotation.getMappedBy());
		assertNull(resourceField.getAnnotation(JPA.JOIN_TABLE));
		assertTrue(rel.strategyIsJoinColumn());
		assertFalse(rel.strategyIsPrimaryKeyJoinColumn());
		assertFalse(rel.strategyIsMappedBy());
		assertFalse(rel.strategyIsJoinTable());
	}

	public void testUpdatePredominantJoiningStrategy() throws Exception {
		createTestEntityWithValidOneToOneMapping();
		addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);

		JavaResourceType resourceType = (JavaResourceType) getJpaProject().getJavaResourceType(FULLY_QUALIFIED_TYPE_NAME, Kind.TYPE);
		JavaResourceField resourceField = resourceType.getFields().iterator().next();
		OneToOneAnnotation annotation = (OneToOneAnnotation) resourceField.getAnnotation(JPA.ONE_TO_ONE);
		PersistentAttribute contextAttribute = getJavaPersistentType().getAttributes().iterator().next();
		OneToOneMapping2_0 mapping = (OneToOneMapping2_0) contextAttribute.getMapping();
		OneToOneRelationship2_0 rel = (OneToOneRelationship2_0) mapping.getRelationship();

		assertNull(resourceField.getAnnotation(0, JPA.JOIN_COLUMN));
		assertNull(resourceField.getAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN));
		assertNull(annotation.getMappedBy());
		assertNull(resourceField.getAnnotation(JPA.JOIN_TABLE));
		assertTrue(rel.strategyIsJoinColumn());
		assertFalse(rel.strategyIsPrimaryKeyJoinColumn());
		assertFalse(rel.strategyIsMappedBy());
		assertFalse(rel.strategyIsJoinTable());

		resourceField.addAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN);
		getJpaProject().synchronizeContextModel();
		assertNull(resourceField.getAnnotation(0, JPA.JOIN_COLUMN));
		assertNotNull(resourceField.getAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN));
		assertNull(annotation.getMappedBy());
		assertNull(resourceField.getAnnotation(JPA.JOIN_TABLE));
		assertFalse(rel.strategyIsJoinColumn());
		assertTrue(rel.strategyIsPrimaryKeyJoinColumn());
		assertFalse(rel.strategyIsMappedBy());
		assertFalse(rel.strategyIsJoinTable());

		annotation.setMappedBy("foo");
		getJpaProject().synchronizeContextModel();
		assertNull(resourceField.getAnnotation(0, JPA.JOIN_COLUMN));
		assertNotNull(resourceField.getAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN));
		assertNotNull(annotation.getMappedBy());
		assertNull(resourceField.getAnnotation(JPA.JOIN_TABLE));
		assertFalse(rel.strategyIsJoinColumn());
		assertFalse(rel.strategyIsPrimaryKeyJoinColumn());
		assertTrue(rel.strategyIsMappedBy());
		assertFalse(rel.strategyIsJoinTable());

		resourceField.addAnnotation(0, JPA.JOIN_COLUMN);
		getJpaProject().synchronizeContextModel();
		assertNotNull(resourceField.getAnnotation(0, JPA.JOIN_COLUMN));
		assertNotNull(resourceField.getAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN));
		assertNotNull(annotation.getMappedBy());
		assertNull(resourceField.getAnnotation(JPA.JOIN_TABLE));
		assertFalse(rel.strategyIsJoinColumn());
		assertFalse(rel.strategyIsPrimaryKeyJoinColumn());
		assertTrue(rel.strategyIsMappedBy());
		assertFalse(rel.strategyIsJoinTable());

		resourceField.addAnnotation(JPA.JOIN_TABLE);
		getJpaProject().synchronizeContextModel();
		assertNotNull(resourceField.getAnnotation(0, JPA.JOIN_COLUMN));
		assertNotNull(resourceField.getAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN));
		assertNotNull(annotation.getMappedBy());
		assertNotNull(resourceField.getAnnotation(JPA.JOIN_TABLE));
		assertFalse(rel.strategyIsJoinColumn());
		assertFalse(rel.strategyIsPrimaryKeyJoinColumn());
		assertTrue(rel.strategyIsMappedBy());
		assertFalse(rel.strategyIsJoinTable());

		resourceField.removeAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN);
		getJpaProject().synchronizeContextModel();
		assertNotNull(resourceField.getAnnotation(0, JPA.JOIN_COLUMN));
		assertNull(resourceField.getAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN));
		assertNotNull(annotation.getMappedBy());
		assertNotNull(resourceField.getAnnotation(JPA.JOIN_TABLE));
		assertFalse(rel.strategyIsJoinColumn());
		assertFalse(rel.strategyIsPrimaryKeyJoinColumn());
		assertTrue(rel.strategyIsMappedBy());
		assertFalse(rel.strategyIsJoinTable());

		annotation.setMappedBy(null);
		getJpaProject().synchronizeContextModel();
		assertNotNull(resourceField.getAnnotation(0, JPA.JOIN_COLUMN));
		assertNull(resourceField.getAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN));
		assertNull(annotation.getMappedBy());
		assertNotNull(resourceField.getAnnotation(JPA.JOIN_TABLE));
		assertFalse(rel.strategyIsJoinColumn());
		assertFalse(rel.strategyIsPrimaryKeyJoinColumn());
		assertFalse(rel.strategyIsMappedBy());
		assertTrue(rel.strategyIsJoinTable());

		resourceField.removeAnnotation(0, JPA.JOIN_COLUMN);
		getJpaProject().synchronizeContextModel();
		assertNull(resourceField.getAnnotation(0, JPA.JOIN_COLUMN));
		assertNull(resourceField.getAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN));
		assertNull(annotation.getMappedBy());
		assertNotNull(resourceField.getAnnotation(JPA.JOIN_TABLE));
		assertFalse(rel.strategyIsJoinColumn());
		assertFalse(rel.strategyIsPrimaryKeyJoinColumn());
		assertFalse(rel.strategyIsMappedBy());	
		assertTrue(rel.strategyIsJoinTable());

		resourceField.removeAnnotation(JPA.JOIN_TABLE);
		getJpaProject().synchronizeContextModel();
		assertNull(resourceField.getAnnotation(0, JPA.JOIN_COLUMN));
		assertNull(resourceField.getAnnotation(0, JPA.PRIMARY_KEY_JOIN_COLUMN));
		assertNull(annotation.getMappedBy());
		assertNull(resourceField.getAnnotation(JPA.JOIN_TABLE));
		assertTrue(rel.strategyIsJoinColumn());
		assertFalse(rel.strategyIsPrimaryKeyJoinColumn());
		assertFalse(rel.strategyIsMappedBy());
		assertFalse(rel.strategyIsJoinTable());
	}
}