HHH-7571 Starting to process @JoinTable and @CollectionTable

Moving JoinColumn processing into association attribute
Making anonymous ExplicitHibernateTypeSource implementation its own class

hibernate-core/src/main/java/org/hibernate/metamodel/internal/source/annotations/BasicPluralAttributeElementSourceImpl.java

@@ -22,7 +22,7 @@ public class BasicPluralAttributeElementSourceImpl implements BasicPluralAttribu
 
 	@Override
 	public ExplicitHibernateTypeSource getExplicitHibernateTypeSource() {
-		return null;  //To change body of implemented methods use File | Settings | File Templates.
+		return new ExplicitHibernateTypeSourceImpl( associationAttribute );
 	}
 
 	@Override
@@ -42,7 +42,7 @@ public class BasicPluralAttributeElementSourceImpl implements BasicPluralAttribu
 
 	@Override
 	public List<RelationalValueSource> relationalValueSources() {
-		List<RelationalValueSource> valueSources = new ArrayList<RelationalValueSource>(  );
+		List<RelationalValueSource> valueSources = new ArrayList<RelationalValueSource>();
 		if ( !associationAttribute.getColumnValues().isEmpty() ) {
 			for ( Column columnValues : associationAttribute.getColumnValues() ) {
 				valueSources.add( new ColumnSourceImpl( associationAttribute, null, columnValues ) );
@@ -51,6 +51,7 @@ public class BasicPluralAttributeElementSourceImpl implements BasicPluralAttribu
 		return valueSources;
 	}
 
+	// TODO - these values are also hard coded in the hbm version of this source implementation. Do we really need them? (HF)
 	@Override
 	public boolean areValuesIncludedInInsertByDefault() {
 		return true;

hibernate-core/src/main/java/org/hibernate/metamodel/internal/source/annotations/ExplicitHibernateTypeSourceImpl.java

@@ -0,0 +1,52 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * Copyright (c) 2012, 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.internal.source.annotations;
+
+import java.util.Map;
+
+import org.hibernate.metamodel.internal.source.annotations.attribute.AssociationAttribute;
+import org.hibernate.metamodel.spi.source.ExplicitHibernateTypeSource;
+
+/**
+ * @author Hardy Ferentschik
+ */
+public class ExplicitHibernateTypeSourceImpl implements ExplicitHibernateTypeSource {
+	private final AssociationAttribute attribute;
+
+	public ExplicitHibernateTypeSourceImpl(AssociationAttribute attribute) {
+		this.attribute = attribute;
+	}
+
+	@Override
+	public String getName() {
+		return attribute.getHibernateTypeResolver().getExplicitHibernateTypeName();
+	}
+
+	@Override
+	public Map<String, String> getParameters() {
+		return attribute.getHibernateTypeResolver().getExplicitHibernateTypeParameters();
+	}
+}
+
+

hibernate-core/src/main/java/org/hibernate/metamodel/internal/source/annotations/PluralAttributeSourceImpl.java

@@ -61,17 +61,7 @@ public class PluralAttributeSourceImpl implements PluralAttributeSource, Orderab
 		this.nature = resolveAttributeNature();
 		this.keySource = new PluralAttributeKeySourceImpl( attribute );
 		this.elementSource = determineElementSource();
-		this.typeSource = new ExplicitHibernateTypeSource() {
+		this.typeSource = new ExplicitHibernateTypeSourceImpl( attribute );
-			@Override
-			public String getName() {
-				return attribute.getHibernateTypeResolver().getExplicitHibernateTypeName();
-			}
-
-			@Override
-			public Map<String, String> getParameters() {
-				return attribute.getHibernateTypeResolver().getExplicitHibernateTypeParameters();
-			}
-		};
 	}
 
 	@Override

hibernate-core/src/main/java/org/hibernate/metamodel/internal/source/annotations/attribute/AssociationAttribute.java

@@ -23,6 +23,8 @@
  */
 package org.hibernate.metamodel.internal.source.annotations.attribute;
 
+import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
@@ -61,14 +63,12 @@ public class AssociationAttribute extends MappedAttribute {
 	private final boolean isOptional;
 	private final boolean isLazy;
 	private final boolean isOrphanRemoval;
-	// todo FetchMode is currently used in the persisters. This will probably get replaced bt FetchStyle and FetchTiming
 	private final FetchMode fetchMode;
 	private final FetchStyle fetchStyle;
 	private final boolean mapsId;
 	private final String referencedIdAttributeName;
-
+	private final List<Column> joinColumnValues;
-	private boolean isInsertable = true;
+	private final boolean definesExplicitJoinTable;
-	private boolean isUpdatable = true;
 	private AttributeTypeResolver resolver;
 
 	public static AssociationAttribute createAssociationAttribute(
@@ -78,11 +78,17 @@ public class AssociationAttribute extends MappedAttribute {
 			String accessType,
 			Map<DotName, List<AnnotationInstance>> annotations,
 			EntityBindingContext context) {
-		return new AssociationAttribute( name, attributeType, attributeType, attributeNature, accessType, annotations, context );
+		return new AssociationAttribute(
+				name,
+				attributeType,
+				attributeType,
+				attributeNature,
+				accessType,
+				annotations,
+				context
+		);
 	}
 
-
-
 	AssociationAttribute(
 			String name,
 			Class<?> attributeType,
@@ -106,11 +112,14 @@ public class AssociationAttribute extends MappedAttribute {
 		this.isLazy = determineIsLazy( associationAnnotation );
 		this.isOrphanRemoval = determineOrphanRemoval( associationAnnotation );
 		this.cascadeTypes = determineCascadeTypes( associationAnnotation );
+		this.joinColumnValues = determineJoinColumnAnnotations( annotations );
 
 		this.fetchMode = determineFetchMode();
 		this.fetchStyle = determineFetchStyle();
 		this.referencedIdAttributeName = determineMapsId();
 		this.mapsId = referencedIdAttributeName != null;
+
+		this.definesExplicitJoinTable = determineExplicitJoinTable( annotations );
 	}
 
 	public boolean isIgnoreNotFound() {
@@ -149,6 +158,14 @@ public class AssociationAttribute extends MappedAttribute {
 		return mapsId;
 	}
 
+	public List<Column> getJoinColumnValues() {
+		return joinColumnValues;
+	}
+
+	public boolean definesExplicitJoinTable() {
+		return definesExplicitJoinTable;
+	}
+
 	@Override
 	public AttributeTypeResolver getHibernateTypeResolver() {
 		if ( resolver == null ) {
@@ -169,12 +186,12 @@ public class AssociationAttribute extends MappedAttribute {
 
 	@Override
 	public boolean isInsertable() {
-		return isInsertable;
+		return true;
 	}
 
 	@Override
 	public boolean isUpdatable() {
-		return isUpdatable;
+		return true;
 	}
 
 	@Override
@@ -316,6 +333,77 @@ public class AssociationAttribute extends MappedAttribute {
 		}
 		return JandexHelper.getValue( mapsIdAnnotation, "value", String.class );
 	}
+
+	private List<Column> determineJoinColumnAnnotations(Map<DotName, List<AnnotationInstance>> annotations) {
+		ArrayList<Column> joinColumns = new ArrayList<Column>();
+
+		// single @JoinColumn
+		AnnotationInstance joinColumnAnnotation = JandexHelper.getSingleAnnotation(
+				annotations,
+				JPADotNames.JOIN_COLUMN
+		);
+		if ( joinColumnAnnotation != null ) {
+			joinColumns.add( new Column( joinColumnAnnotation ) );
+		}
+
+		// @JoinColumns
+		AnnotationInstance joinColumnsAnnotation = JandexHelper.getSingleAnnotation(
+				annotations,
+				JPADotNames.JOIN_COLUMNS
+		);
+		if ( joinColumnsAnnotation != null ) {
+			List<AnnotationInstance> columnsList = Arrays.asList(
+					JandexHelper.getValue( joinColumnsAnnotation, "value", AnnotationInstance[].class )
+			);
+			for ( AnnotationInstance annotation : columnsList ) {
+				joinColumns.add( new Column( annotation ) );
+			}
+		}
+		joinColumns.trimToSize();
+		return joinColumns;
+	}
+
+	private boolean determineExplicitJoinTable(Map<DotName, List<AnnotationInstance>> annotations) {
+		AnnotationInstance collectionTableAnnotation = JandexHelper.getSingleAnnotation(
+				annotations,
+				JPADotNames.COLLECTION_TABLE
+		);
+
+		AnnotationInstance joinTableAnnotation = JandexHelper.getSingleAnnotation(
+				annotations,
+				JPADotNames.JOIN_TABLE
+		);
+
+		// sanity checks
+		if ( collectionTableAnnotation != null && joinTableAnnotation != null ) {
+			throw new MappingException(
+					"@CollectionTable and JoinTable specified on the same attribute",
+					getContext().getOrigin()
+			);
+		}
+
+		if ( collectionTableAnnotation != null ) {
+			if ( JandexHelper.getSingleAnnotation( annotations, JPADotNames.ELEMENT_COLLECTION ) == null ) {
+				throw new MappingException(
+						"@CollectionTable annotation without a @ElementCollection",
+						getContext().getOrigin()
+				);
+			}
+		}
+
+		if ( joinTableAnnotation != null ) {
+			if ( JandexHelper.getSingleAnnotation( annotations, JPADotNames.ONE_TO_ONE ) == null
+					&& JandexHelper.getSingleAnnotation( annotations, JPADotNames.ONE_TO_MANY ) == null
+					&& JandexHelper.getSingleAnnotation( annotations, JPADotNames.MANY_TO_MANY ) == null ) {
+				throw new MappingException(
+						"@JoinTable annotation without an association",
+						getContext().getOrigin()
+				);
+			}
+		}
+
+		return collectionTableAnnotation != null || joinTableAnnotation != null;
+	}
 }
 
 

hibernate-core/src/main/java/org/hibernate/metamodel/internal/source/annotations/attribute/MappedAttribute.java

@@ -63,7 +63,7 @@ public abstract class MappedAttribute implements Comparable<MappedAttribute> {
 	/**
 	 * The nature of the attribute
 	 */
-	Nature attributeNature;
+	private final Nature attributeNature;
 
 	/**
 	 * The access type for this property. At the moment this is either 'field' or 'property', but Hibernate
@@ -77,8 +77,6 @@ public abstract class MappedAttribute implements Comparable<MappedAttribute> {
 	 */
 	private List<Column> columnValues = new ArrayList<Column>();
 
-	private List<Column> joinColumnValues = new ArrayList<Column>();
-
 	/**
 	 * Is this property an id property (or part thereof).
 	 */
@@ -154,10 +152,6 @@ public abstract class MappedAttribute implements Comparable<MappedAttribute> {
 		return columnValues;
 	}
 
-	public List<Column> getJoinColumnValues() {
-		return joinColumnValues;
-	}
-
 	public boolean isId() {
 		return isId;
 	}
@@ -250,15 +244,6 @@ public abstract class MappedAttribute implements Comparable<MappedAttribute> {
 			columnValues.add( new Column( columnAnnotation ) );
 		}
 
-		// single @JoinColumn
-		AnnotationInstance joinColumnAnnotation = JandexHelper.getSingleAnnotation(
-				annotations,
-				JPADotNames.JOIN_COLUMN
-		);
-		if ( joinColumnAnnotation != null ) {
-			joinColumnValues.add( new Column( joinColumnAnnotation ) );
-		}
-
 		// @org.hibernate.annotations.Columns
 		AnnotationInstance columnsAnnotation = JandexHelper.getSingleAnnotation(
 				annotations,
@@ -278,20 +263,6 @@ public abstract class MappedAttribute implements Comparable<MappedAttribute> {
 				columnValues.add( new Column( annotation ) );
 			}
 		}
-
-		// @JoinColumns
-		AnnotationInstance joinColumnsAnnotation = JandexHelper.getSingleAnnotation(
-				annotations,
-				JPADotNames.JOIN_COLUMNS
-		);
-		if ( joinColumnsAnnotation != null ) {
-			List<AnnotationInstance> columnsList = Arrays.asList(
-					JandexHelper.getValue( joinColumnsAnnotation, "value", AnnotationInstance[].class )
-			);
-			for ( AnnotationInstance annotation : columnsList ) {
-				joinColumnValues.add( new Column( annotation ) );
-			}
-		}
 	}
 
 	private String checkCheckAnnotation() {

hibernate-core/src/test/java/org/hibernate/metamodel/internal/source/annotations/entity/ElementCollectionBindingTest.java

@@ -0,0 +1,96 @@
+/*
+ * 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.internal.source.annotations.entity;
+
+import java.util.List;
+import javax.persistence.CollectionTable;
+import javax.persistence.ElementCollection;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.JoinTable;
+
+import org.junit.Test;
+
+import org.hibernate.metamodel.spi.source.MappingException;
+import org.hibernate.testing.junit4.BaseAnnotationBindingTestCase;
+import org.hibernate.testing.junit4.Resources;
+
+/**
+ * Tests for different types of @ElementCollection mappings.
+ *
+ * @author Hardy Ferentschik
+ */
+
+public class ElementCollectionBindingTest extends BaseAnnotationBindingTestCase {
+	@Entity
+	class TestEntity {
+		@Id
+		private int id;
+
+		@ElementCollection
+		@JoinTable
+		private List<String> strings;
+
+		public int getId() {
+			return id;
+		}
+
+		public List<String> getStrings() {
+			return strings;
+		}
+	}
+
+	@Test(expected = MappingException.class)
+	@Resources(annotatedClasses = { TestEntity.class })
+	public void testElementCollectionWithJoinTableThrowsException() {
+		getEntityBinding( TestEntity.class );
+	}
+
+	@Entity
+	class TestEntity2 {
+		@Id
+		private int id;
+
+		@ElementCollection
+		@JoinTable
+		@CollectionTable
+		private List<String> strings;
+
+		public int getId() {
+			return id;
+		}
+
+		public List<String> getStrings() {
+			return strings;
+		}
+	}
+
+	@Test(expected = MappingException.class)
+	@Resources(annotatedClasses = { TestEntity.class })
+	public void testCollectionTableAndJoinTableThrowsException() {
+		getEntityBinding( TestEntity.class );
+	}
+}
+
+

hibernate-core/src/test/java/org/hibernate/metamodel/internal/source/annotations/entity/InheritanceBindingTest.java

@@ -158,7 +158,7 @@ public class InheritanceBindingTest extends BaseAnnotationBindingTestCase {
 			OtherSubclassOfSingleTableInheritance.class,
 			SubclassOfSubclassOfSingleTableInheritance.class
 	})
-	public void testRootPolymporhism() {
+	public void testRootPolymporphism() {
 		EntityBinding rootEntityBinding = getEntityBinding( RootOfSingleTableInheritance.class );
 		EntityBinding subclassEntityBinding = getEntityBinding( SubclassOfSingleTableInheritance.class );
 		EntityBinding otherSubclassEntityBinding = getEntityBinding( OtherSubclassOfSingleTableInheritance.class );

hibernate-testing/src/main/java/org/hibernate/testing/junit4/BaseAnnotationBindingTestCase.java

@@ -104,7 +104,7 @@ public abstract class BaseAnnotationBindingTestCase extends BaseUnitTestCase {
 			}
 		}
 
-		private void createBindings() {
+		private void createBindings() throws Throwable {
 			try {
 				sources = new MetadataSources( new ServiceRegistryBuilder().buildServiceRegistry() );
 				Resources resourcesAnnotation = origFrameworkMethod.getAnnotation( Resources.class );
@@ -127,6 +127,7 @@ public abstract class BaseAnnotationBindingTestCase extends BaseUnitTestCase {
 				Class<?> expected = testAnnotation.expected();
 				if ( t.getClass().equals( expected ) ) {
 					expectedException = true;
+					return;
 				}
 			}
 		}