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METAGEN-37 fixed TypeUtils.extractClosestRealTypeAsString and added test

This commit is contained in:
Hardy Ferentschik 2010-10-07 08:04:03 +00:00 committed by Strong Liu
parent 9dcc29c6ef
commit 1720d85543
11 changed files with 553 additions and 310 deletions
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5
tooling/metamodel-generator/src/main/java/org/hibernate/jpamodelgen/Version.java
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@ -24,7 +24,10 @@ package org.hibernate.jpamodelgen;
* *
* @author Hardy Ferentschik * @author Hardy Ferentschik
*/ */
public class Version { public final class Version {
private Version() {
}
public static String getVersionString() { public static String getVersionString() {
return "[WORKING]"; return "[WORKING]";
} }

303
tooling/metamodel-generator/src/main/java/org/hibernate/jpamodelgen/annotation/AnnotationMetaEntity.java
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@ -24,33 +24,14 @@ import java.util.Collection;
import java.util.HashMap; import java.util.HashMap;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.Element; import javax.lang.model.element.Element;
import javax.lang.model.element.ElementKind;
import javax.lang.model.element.Modifier; import javax.lang.model.element.Modifier;
import javax.lang.model.element.Name; import javax.lang.model.element.Name;
import javax.lang.model.element.PackageElement; import javax.lang.model.element.PackageElement;
import javax.lang.model.element.TypeElement; import javax.lang.model.element.TypeElement;
import javax.lang.model.type.ArrayType;
import javax.lang.model.type.DeclaredType;
import javax.lang.model.type.ExecutableType;
import javax.lang.model.type.PrimitiveType;
import javax.lang.model.type.TypeKind;
import javax.lang.model.type.TypeMirror;
import javax.lang.model.type.TypeVariable;
import javax.lang.model.util.ElementFilter; import javax.lang.model.util.ElementFilter;
import javax.lang.model.util.SimpleTypeVisitor6;
import javax.persistence.AccessType; import javax.persistence.AccessType;
import javax.persistence.Basic;
import javax.persistence.ElementCollection;
import javax.persistence.Embeddable;
import javax.persistence.ManyToMany;
import javax.persistence.ManyToOne;
import javax.persistence.MapKeyClass;
import javax.persistence.OneToMany;
import javax.persistence.OneToOne;
import javax.persistence.Transient; import javax.persistence.Transient;
import javax.tools.Diagnostic;
import org.hibernate.jpamodelgen.AccessTypeInformation; import org.hibernate.jpamodelgen.AccessTypeInformation;
import org.hibernate.jpamodelgen.Context; import org.hibernate.jpamodelgen.Context;
@ -58,8 +39,6 @@ import org.hibernate.jpamodelgen.ImportContextImpl;
import org.hibernate.jpamodelgen.model.ImportContext; import org.hibernate.jpamodelgen.model.ImportContext;
import org.hibernate.jpamodelgen.model.MetaAttribute; import org.hibernate.jpamodelgen.model.MetaAttribute;
import org.hibernate.jpamodelgen.model.MetaEntity; import org.hibernate.jpamodelgen.model.MetaEntity;
import org.hibernate.jpamodelgen.util.Constants;
import org.hibernate.jpamodelgen.util.StringUtil;
import org.hibernate.jpamodelgen.util.TypeUtils; import org.hibernate.jpamodelgen.util.TypeUtils;
/** /**
@ -92,6 +71,10 @@ public class AnnotationMetaEntity implements MetaEntity {
} }
} }
public AccessTypeInformation getEntityAccessTypeInfo() {
return entityAccessTypeInfo;
}
public Context getContext() { public Context getContext() {
return context; return context;
} }
@ -133,7 +116,7 @@ public class AnnotationMetaEntity implements MetaEntity {
sb.append( '}' ); sb.append( '}' );
return sb.toString(); return sb.toString();
} }
private void addPersistentMembers(List<? extends Element> membersOfClass, AccessType membersKind) { private void addPersistentMembers(List<? extends Element> membersOfClass, AccessType membersKind) {
for ( Element memberOfClass : membersOfClass ) { for ( Element memberOfClass : membersOfClass ) {
AccessType forcedAccessType = TypeUtils.determineAnnotationSpecifiedAccessType( memberOfClass ); AccessType forcedAccessType = TypeUtils.determineAnnotationSpecifiedAccessType( memberOfClass );
@ -147,7 +130,7 @@ public class AnnotationMetaEntity implements MetaEntity {
continue; continue;
} }
TypeVisitor visitor = new TypeVisitor( this ); MetaAttributeGenerationVisitor visitor = new MetaAttributeGenerationVisitor( this, context );
AnnotationMetaAttribute result = memberOfClass.asType().accept( visitor, memberOfClass ); AnnotationMetaAttribute result = memberOfClass.asType().accept( visitor, memberOfClass );
if ( result != null ) { if ( result != null ) {
members.put( result.getPropertyName(), result ); members.put( result.getPropertyName(), result );
@ -155,7 +138,7 @@ public class AnnotationMetaEntity implements MetaEntity {
} }
} }
protected void init() { protected final void init() {
TypeUtils.determineAccessTypeForHierarchy( element, context ); TypeUtils.determineAccessTypeForHierarchy( element, context );
entityAccessTypeInfo = context.getAccessTypeInfo( getQualifiedName() ); entityAccessTypeInfo = context.getAccessTypeInfo( getQualifiedName() );
@ -166,285 +149,23 @@ public class AnnotationMetaEntity implements MetaEntity {
addPersistentMembers( methodsOfClass, AccessType.PROPERTY ); addPersistentMembers( methodsOfClass, AccessType.PROPERTY );
} }
public String generateImports() { public final String generateImports() {
return importContext.generateImports(); return importContext.generateImports();
} }
public String importType(String fqcn) { public final String importType(String fqcn) {
return importContext.importType( fqcn ); return importContext.importType( fqcn );
} }
public String staticImport(String fqcn, String member) { public final String staticImport(String fqcn, String member) {
return importContext.staticImport( fqcn, member ); return importContext.staticImport( fqcn, member );
} }
public String importType(Name qualifiedName) { public final String importType(Name qualifiedName) {
return importType( qualifiedName.toString() ); return importType( qualifiedName.toString() );
} }
public TypeElement getTypeElement() { public final TypeElement getTypeElement() {
return element; return element;
} }
class TypeVisitor extends SimpleTypeVisitor6<AnnotationMetaAttribute, Element> {
/**
* FQCN of the Hibernate specific @Target annotation. We do not use the class directly to avoid depending on Hibernate
* Core.
*/
private static final String ORG_HIBERNATE_ANNOTATIONS_TARGET = "org.hibernate.annotations.Target";
AnnotationMetaEntity parent;
TypeVisitor(AnnotationMetaEntity parent) {
this.parent = parent;
}
@Override
public AnnotationMetaAttribute visitPrimitive(PrimitiveType t, Element element) {
return new AnnotationMetaSingleAttribute( parent, element, TypeUtils.toTypeString( t ) );
}
@Override
public AnnotationMetaAttribute visitArray(ArrayType t, Element element) {
// METAGEN-2 - For now we handle arrays as SingularAttribute
// The code below is an attempt to be closer to the spec and only allow byte[], Byte[], char[] and Character[]
// AnnotationMetaSingleAttribute attribute = null;
// TypeMirror componentMirror = t.getComponentType();
// if ( TypeKind.CHAR.equals( componentMirror.getKind() )
// || TypeKind.BYTE.equals( componentMirror.getKind() ) ) {
// attribute = new AnnotationMetaSingleAttribute( parent, element, TypeUtils.toTypeString( t ) );
// }
// else if ( TypeKind.DECLARED.equals( componentMirror.getKind() ) ) {
// TypeElement componentElement = ( TypeElement ) context.getProcessingEnvironment()
// .getTypeUtils()
// .asElement( componentMirror );
// if ( BASIC_ARRAY_TYPES.contains( componentElement.getQualifiedName().toString() ) ) {
// attribute = new AnnotationMetaSingleAttribute( parent, element, TypeUtils.toTypeString( t ) );
// }
// }
// return attribute;
return new AnnotationMetaSingleAttribute( parent, element, TypeUtils.toTypeString( t ) );
}
public AnnotationMetaAttribute visitTypeVariable(TypeVariable t, Element element) {
// METAGEN-29 - for a type variable we use the upper bound
TypeMirror mirror = t.getUpperBound();
TypeMirror erasedType = context.getTypeUtils().erasure( mirror );
return new AnnotationMetaSingleAttribute(
parent, element, erasedType.toString()
);
}
@Override
public AnnotationMetaAttribute visitDeclared(DeclaredType declaredType, Element element) {
AnnotationMetaAttribute metaAttribute = null;
TypeElement returnedElement = ( TypeElement ) context.getTypeUtils().asElement( declaredType );
// WARNING: .toString() is necessary here since Name equals does not compare to String
String fqNameOfReturnType = returnedElement.getQualifiedName().toString();
String collection = Constants.COLLECTIONS.get( fqNameOfReturnType );
String targetEntity = getTargetEntity( element.getAnnotationMirrors() );
if ( collection != null ) {
return createMetaCollectionAttribute(
declaredType, element, fqNameOfReturnType, collection, targetEntity
);
}
else if ( isBasicAttribute( element, returnedElement ) ) {
String type = targetEntity != null ? targetEntity : returnedElement.getQualifiedName().toString();
return new AnnotationMetaSingleAttribute( parent, element, type );
}
return metaAttribute;
}
private AnnotationMetaAttribute createMetaCollectionAttribute(DeclaredType declaredType, Element element, String fqNameOfReturnType, String collection, String targetEntity) {
if ( TypeUtils.containsAnnotation( element, ElementCollection.class ) ) {
String explicitTargetEntity = getTargetEntity( element.getAnnotationMirrors() );
TypeMirror collectionElementType = TypeUtils.getCollectionElementType(
declaredType, fqNameOfReturnType, explicitTargetEntity, context
);
final TypeElement collectionElement = ( TypeElement ) context.getTypeUtils()
.asElement( collectionElementType );
AccessTypeInformation accessTypeInfo = context.getAccessTypeInfo( collectionElement.getQualifiedName().toString() );
if ( accessTypeInfo == null ) {
AccessType explicitAccessType = TypeUtils.determineAnnotationSpecifiedAccessType(
collectionElement
);
accessTypeInfo = new AccessTypeInformation(
collectionElement.getQualifiedName().toString(),
explicitAccessType,
entityAccessTypeInfo.getAccessType()
);
context.addAccessTypeInformation(
collectionElement.getQualifiedName().toString(), accessTypeInfo
);
}
else {
accessTypeInfo.setDefaultAccessType( entityAccessTypeInfo.getAccessType() );
}
}
if ( collection.equals( "javax.persistence.metamodel.MapAttribute" ) ) {
return createAnnotationMetaAttributeForMap( declaredType, element, collection, targetEntity );
}
else {
return new AnnotationMetaCollection(
parent, element, collection, getElementType( declaredType, targetEntity )
);
}
}
@Override
public AnnotationMetaAttribute visitExecutable(ExecutableType t, Element p) {
if ( !p.getKind().equals( ElementKind.METHOD ) ) {
return null;
}
String string = p.getSimpleName().toString();
if ( !StringUtil.isPropertyName( string ) ) {
return null;
}
TypeMirror returnType = t.getReturnType();
return returnType.accept( this, p );
}
private boolean isBasicAttribute(Element element, Element returnedElement) {
if ( TypeUtils.containsAnnotation( element, Basic.class )
|| TypeUtils.containsAnnotation( element, OneToOne.class )
|| TypeUtils.containsAnnotation( element, ManyToOne.class ) ) {
return true;
}
BasicAttributeVisitor basicVisitor = new BasicAttributeVisitor();
return returnedElement.asType().accept( basicVisitor, returnedElement );
}
private AnnotationMetaAttribute createAnnotationMetaAttributeForMap(DeclaredType declaredType, Element element, String collection, String targetEntity) {
String keyType;
if ( TypeUtils.containsAnnotation( element, MapKeyClass.class ) ) {
TypeMirror typeMirror = ( TypeMirror ) TypeUtils.getAnnotationValue(
TypeUtils.getAnnotationMirror(
element, MapKeyClass.class
), TypeUtils.DEFAULT_ANNOTATION_PARAMETER_NAME
);
keyType = typeMirror.toString();
}
else {
keyType = TypeUtils.getKeyType( declaredType, context );
}
return new AnnotationMetaMap(
parent,
element,
collection,
keyType,
getElementType( declaredType, targetEntity )
);
}
private String getElementType(DeclaredType declaredType, String targetEntity) {
if ( targetEntity != null ) {
return targetEntity;
}
final List<? extends TypeMirror> mirrors = declaredType.getTypeArguments();
if ( mirrors.size() == 1 ) {
final TypeMirror type = mirrors.get( 0 );
return TypeUtils.extractClosestRealTypeAsString( type, context );
}
else if ( mirrors.size() == 2 ) {
return TypeUtils.extractClosestRealTypeAsString( mirrors.get( 1 ), context );
}
else {
//for 0 or many
//0 is expected, many is not
if ( mirrors.size() > 2 ) {
context.logMessage(
Diagnostic.Kind.WARNING, "Unable to find the closest solid type" + declaredType
);
}
return "?";
}
}
/**
* @param annotations list of annotation mirrors.
*
* @return target entity class name as string or {@code null} if no targetEntity is here or if equals to void
*/
private String getTargetEntity(List<? extends AnnotationMirror> annotations) {
String fullyQualifiedTargetEntityName = null;
for ( AnnotationMirror mirror : annotations ) {
if ( TypeUtils.isAnnotationMirrorOfType( mirror, ElementCollection.class ) ) {
fullyQualifiedTargetEntityName = getFullyQualifiedClassNameOfTargetEntity( mirror, "targetClass" );
}
else if ( TypeUtils.isAnnotationMirrorOfType( mirror, OneToMany.class )
|| TypeUtils.isAnnotationMirrorOfType( mirror, ManyToMany.class )
|| TypeUtils.isAnnotationMirrorOfType( mirror, ManyToOne.class )
|| TypeUtils.isAnnotationMirrorOfType( mirror, OneToOne.class ) ) {
fullyQualifiedTargetEntityName = getFullyQualifiedClassNameOfTargetEntity( mirror, "targetEntity" );
}
else if ( TypeUtils.isAnnotationMirrorOfType( mirror, ORG_HIBERNATE_ANNOTATIONS_TARGET ) ) {
fullyQualifiedTargetEntityName = getFullyQualifiedClassNameOfTargetEntity( mirror, "value" );
}
}
return fullyQualifiedTargetEntityName;
}
private String getFullyQualifiedClassNameOfTargetEntity(AnnotationMirror mirror, String parameterName) {
assert mirror != null;
assert parameterName != null;
String targetEntityName = null;
Object parameterValue = TypeUtils.getAnnotationValue( mirror, parameterName );
if ( parameterValue != null ) {
TypeMirror parameterType = ( TypeMirror ) parameterValue;
if ( !parameterType.getKind().equals( TypeKind.VOID ) ) {
targetEntityName = parameterType.toString();
}
}
return targetEntityName;
}
}
/**
* Checks whether the visited type is a basic attribute according to the JPA 2 spec
* ( section 2.8 Mapping Defaults for Non-Relationship Fields or Properties)
*/
class BasicAttributeVisitor extends SimpleTypeVisitor6<Boolean, Element> {
@Override
public Boolean visitPrimitive(PrimitiveType t, Element element) {
return Boolean.TRUE;
}
@Override
public Boolean visitArray(ArrayType t, Element element) {
TypeMirror componentMirror = t.getComponentType();
TypeElement componentElement = ( TypeElement ) context.getTypeUtils().asElement( componentMirror );
return Constants.BASIC_ARRAY_TYPES.contains( componentElement.getQualifiedName().toString() );
}
@Override
public Boolean visitDeclared(DeclaredType declaredType, Element element) {
if ( ElementKind.ENUM.equals( element.getKind() ) ) {
return Boolean.TRUE;
}
if ( ElementKind.CLASS.equals( element.getKind() ) || ElementKind.INTERFACE.equals( element.getKind() ) ) {
TypeElement typeElement = ( ( TypeElement ) element );
String typeName = typeElement.getQualifiedName().toString();
if ( Constants.BASIC_TYPES.contains( typeName ) ) {
return Boolean.TRUE;
}
if ( TypeUtils.containsAnnotation( element, Embeddable.class ) ) {
return Boolean.TRUE;
}
for ( TypeMirror mirror : typeElement.getInterfaces() ) {
TypeElement interfaceElement = ( TypeElement ) context.getTypeUtils().asElement( mirror );
if ( "java.io.Serializable".equals( interfaceElement.getQualifiedName().toString() ) ) {
return Boolean.TRUE;
}
}
}
return Boolean.FALSE;
}
}
} }

325
tooling/metamodel-generator/src/main/java/org/hibernate/jpamodelgen/annotation/MetaAttributeGenerationVisitor.java Normal file
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@ -0,0 +1,325 @@
/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// $Id$
package org.hibernate.jpamodelgen.annotation;
import java.util.List;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.Element;
import javax.lang.model.element.ElementKind;
import javax.lang.model.element.TypeElement;
import javax.lang.model.type.ArrayType;
import javax.lang.model.type.DeclaredType;
import javax.lang.model.type.ExecutableType;
import javax.lang.model.type.PrimitiveType;
import javax.lang.model.type.TypeKind;
import javax.lang.model.type.TypeMirror;
import javax.lang.model.type.TypeVariable;
import javax.lang.model.util.SimpleTypeVisitor6;
import javax.persistence.AccessType;
import javax.persistence.Basic;
import javax.persistence.ElementCollection;
import javax.persistence.Embeddable;
import javax.persistence.ManyToMany;
import javax.persistence.ManyToOne;
import javax.persistence.MapKeyClass;
import javax.persistence.OneToMany;
import javax.persistence.OneToOne;
import javax.tools.Diagnostic;
import org.hibernate.jpamodelgen.AccessTypeInformation;
import org.hibernate.jpamodelgen.Context;
import org.hibernate.jpamodelgen.util.Constants;
import org.hibernate.jpamodelgen.util.StringUtil;
import org.hibernate.jpamodelgen.util.TypeUtils;
/**
* @author Hardy Ferentschik
*/
public class MetaAttributeGenerationVisitor extends SimpleTypeVisitor6<AnnotationMetaAttribute, Element> {
/**
* FQCN of the Hibernate specific @Target annotation. We do not use the class directly to avoid depending on Hibernate
* Core.
*/
private static final String ORG_HIBERNATE_ANNOTATIONS_TARGET = "org.hibernate.annotations.Target";
private final AnnotationMetaEntity entity;
private final Context context;
MetaAttributeGenerationVisitor(AnnotationMetaEntity entity, Context context) {
this.entity = entity;
this.context = context;
}
@Override
public AnnotationMetaAttribute visitPrimitive(PrimitiveType t, Element element) {
return new AnnotationMetaSingleAttribute( entity, element, TypeUtils.toTypeString( t ) );
}
@Override
public AnnotationMetaAttribute visitArray(ArrayType t, Element element) {
// METAGEN-2 - For now we handle arrays as SingularAttribute
// The code below is an attempt to be closer to the spec and only allow byte[], Byte[], char[] and Character[]
// AnnotationMetaSingleAttribute attribute = null;
// TypeMirror componentMirror = t.getComponentType();
// if ( TypeKind.CHAR.equals( componentMirror.getKind() )
// || TypeKind.BYTE.equals( componentMirror.getKind() ) ) {
// attribute = new AnnotationMetaSingleAttribute( entity, element, TypeUtils.toTypeString( t ) );
// }
// else if ( TypeKind.DECLARED.equals( componentMirror.getKind() ) ) {
// TypeElement componentElement = ( TypeElement ) context.getProcessingEnvironment()
// .getTypeUtils()
// .asElement( componentMirror );
// if ( BASIC_ARRAY_TYPES.contains( componentElement.getQualifiedName().toString() ) ) {
// attribute = new AnnotationMetaSingleAttribute( entity, element, TypeUtils.toTypeString( t ) );
// }
// }
// return attribute;
return new AnnotationMetaSingleAttribute( entity, element, TypeUtils.toTypeString( t ) );
}
public AnnotationMetaAttribute visitTypeVariable(TypeVariable t, Element element) {
// METAGEN-29 - for a type variable we use the upper bound
TypeMirror mirror = t.getUpperBound();
TypeMirror erasedType = context.getTypeUtils().erasure( mirror );
return new AnnotationMetaSingleAttribute(
entity, element, erasedType.toString()
);
}
@Override
public AnnotationMetaAttribute visitDeclared(DeclaredType declaredType, Element element) {
AnnotationMetaAttribute metaAttribute = null;
TypeElement returnedElement = (TypeElement) context.getTypeUtils().asElement( declaredType );
// WARNING: .toString() is necessary here since Name equals does not compare to String
String fqNameOfReturnType = returnedElement.getQualifiedName().toString();
String collection = Constants.COLLECTIONS.get( fqNameOfReturnType );
String targetEntity = getTargetEntity( element.getAnnotationMirrors() );
if ( collection != null ) {
return createMetaCollectionAttribute(
declaredType, element, fqNameOfReturnType, collection, targetEntity
);
}
else if ( isBasicAttribute( element, returnedElement ) ) {
String type = targetEntity != null ? targetEntity : returnedElement.getQualifiedName().toString();
return new AnnotationMetaSingleAttribute( entity, element, type );
}
return metaAttribute;
}
private AnnotationMetaAttribute createMetaCollectionAttribute(DeclaredType declaredType, Element element, String fqNameOfReturnType, String collection, String targetEntity) {
if ( TypeUtils.containsAnnotation( element, ElementCollection.class ) ) {
String explicitTargetEntity = getTargetEntity( element.getAnnotationMirrors() );
TypeMirror collectionElementType = TypeUtils.getCollectionElementType(
declaredType, fqNameOfReturnType, explicitTargetEntity, context
);
final TypeElement collectionElement = (TypeElement) context.getTypeUtils()
.asElement( collectionElementType );
AccessTypeInformation accessTypeInfo = context.getAccessTypeInfo( collectionElement.getQualifiedName().toString() );
if ( accessTypeInfo == null ) {
AccessType explicitAccessType = TypeUtils.determineAnnotationSpecifiedAccessType(
collectionElement
);
accessTypeInfo = new AccessTypeInformation(
collectionElement.getQualifiedName().toString(),
explicitAccessType,
entity.getEntityAccessTypeInfo().getAccessType()
);
context.addAccessTypeInformation(
collectionElement.getQualifiedName().toString(), accessTypeInfo
);
}
else {
accessTypeInfo.setDefaultAccessType( entity.getEntityAccessTypeInfo().getAccessType() );
}
}
if ( collection.equals( "javax.persistence.metamodel.MapAttribute" ) ) {
return createAnnotationMetaAttributeForMap( declaredType, element, collection, targetEntity );
}
else {
return new AnnotationMetaCollection(
entity, element, collection, getElementType( declaredType, targetEntity )
);
}
}
@Override
public AnnotationMetaAttribute visitExecutable(ExecutableType t, Element p) {
if ( !p.getKind().equals( ElementKind.METHOD ) ) {
return null;
}
String string = p.getSimpleName().toString();
if ( !StringUtil.isPropertyName( string ) ) {
return null;
}
TypeMirror returnType = t.getReturnType();
return returnType.accept( this, p );
}
private boolean isBasicAttribute(Element element, Element returnedElement) {
if ( TypeUtils.containsAnnotation( element, Basic.class )
|| TypeUtils.containsAnnotation( element, OneToOne.class )
|| TypeUtils.containsAnnotation( element, ManyToOne.class ) ) {
return true;
}
BasicAttributeVisitor basicVisitor = new BasicAttributeVisitor( context );
return returnedElement.asType().accept( basicVisitor, returnedElement );
}
private AnnotationMetaAttribute createAnnotationMetaAttributeForMap(DeclaredType declaredType, Element element, String collection, String targetEntity) {
String keyType;
if ( TypeUtils.containsAnnotation( element, MapKeyClass.class ) ) {
TypeMirror typeMirror = (TypeMirror) TypeUtils.getAnnotationValue(
TypeUtils.getAnnotationMirror(
element, MapKeyClass.class
), TypeUtils.DEFAULT_ANNOTATION_PARAMETER_NAME
);
keyType = typeMirror.toString();
}
else {
keyType = TypeUtils.getKeyType( declaredType, context );
}
return new AnnotationMetaMap(
entity,
element,
collection,
keyType,
getElementType( declaredType, targetEntity )
);
}
private String getElementType(DeclaredType declaredType, String targetEntity) {
if ( targetEntity != null ) {
return targetEntity;
}
final List<? extends TypeMirror> mirrors = declaredType.getTypeArguments();
if ( mirrors.size() == 1 ) {
final TypeMirror type = mirrors.get( 0 );
return TypeUtils.extractClosestRealTypeAsString( type, context );
}
else if ( mirrors.size() == 2 ) {
return TypeUtils.extractClosestRealTypeAsString( mirrors.get( 1 ), context );
}
else {
//for 0 or many
//0 is expected, many is not
if ( mirrors.size() > 2 ) {
context.logMessage(
Diagnostic.Kind.WARNING, "Unable to find the closest solid type" + declaredType
);
}
return "?";
}
}
/**
* @param annotations list of annotation mirrors.
*
* @return target entity class name as string or {@code null} if no targetEntity is here or if equals to void
*/
private String getTargetEntity(List<? extends AnnotationMirror> annotations) {
String fullyQualifiedTargetEntityName = null;
for ( AnnotationMirror mirror : annotations ) {
if ( TypeUtils.isAnnotationMirrorOfType( mirror, ElementCollection.class ) ) {
fullyQualifiedTargetEntityName = getFullyQualifiedClassNameOfTargetEntity( mirror, "targetClass" );
}
else if ( TypeUtils.isAnnotationMirrorOfType( mirror, OneToMany.class )
|| TypeUtils.isAnnotationMirrorOfType( mirror, ManyToMany.class )
|| TypeUtils.isAnnotationMirrorOfType( mirror, ManyToOne.class )
|| TypeUtils.isAnnotationMirrorOfType( mirror, OneToOne.class ) ) {
fullyQualifiedTargetEntityName = getFullyQualifiedClassNameOfTargetEntity( mirror, "targetEntity" );
}
else if ( TypeUtils.isAnnotationMirrorOfType( mirror, ORG_HIBERNATE_ANNOTATIONS_TARGET ) ) {
fullyQualifiedTargetEntityName = getFullyQualifiedClassNameOfTargetEntity( mirror, "value" );
}
}
return fullyQualifiedTargetEntityName;
}
private String getFullyQualifiedClassNameOfTargetEntity(AnnotationMirror mirror, String parameterName) {
assert mirror != null;
assert parameterName != null;
String targetEntityName = null;
Object parameterValue = TypeUtils.getAnnotationValue( mirror, parameterName );
if ( parameterValue != null ) {
TypeMirror parameterType = (TypeMirror) parameterValue;
if ( !parameterType.getKind().equals( TypeKind.VOID ) ) {
targetEntityName = parameterType.toString();
}
}
return targetEntityName;
}
}
/**
* Checks whether the visited type is a basic attribute according to the JPA 2 spec
* ( section 2.8 Mapping Defaults for Non-Relationship Fields or Properties)
*/
class BasicAttributeVisitor extends SimpleTypeVisitor6<Boolean, Element> {
private final Context context;
public BasicAttributeVisitor(Context context) {
this.context = context;
}
@Override
public Boolean visitPrimitive(PrimitiveType t, Element element) {
return Boolean.TRUE;
}
@Override
public Boolean visitArray(ArrayType t, Element element) {
TypeMirror componentMirror = t.getComponentType();
TypeElement componentElement = (TypeElement) context.getTypeUtils().asElement( componentMirror );
return Constants.BASIC_ARRAY_TYPES.contains( componentElement.getQualifiedName().toString() );
}
@Override
public Boolean visitDeclared(DeclaredType declaredType, Element element) {
if ( ElementKind.ENUM.equals( element.getKind() ) ) {
return Boolean.TRUE;
}
if ( ElementKind.CLASS.equals( element.getKind() ) || ElementKind.INTERFACE.equals( element.getKind() ) ) {
TypeElement typeElement = ( (TypeElement) element );
String typeName = typeElement.getQualifiedName().toString();
if ( Constants.BASIC_TYPES.contains( typeName ) ) {
return Boolean.TRUE;
}
if ( TypeUtils.containsAnnotation( element, Embeddable.class ) ) {
return Boolean.TRUE;
}
for ( TypeMirror mirror : typeElement.getInterfaces() ) {
TypeElement interfaceElement = (TypeElement) context.getTypeUtils().asElement( mirror );
if ( "java.io.Serializable".equals( interfaceElement.getQualifiedName().toString() ) ) {
return Boolean.TRUE;
}
}
}
return Boolean.FALSE;
}
}

27
tooling/metamodel-generator/src/main/java/org/hibernate/jpamodelgen/util/TypeUtils.java
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@ -38,7 +38,6 @@ import javax.lang.model.type.TypeVariable;
import javax.lang.model.util.ElementFilter; import javax.lang.model.util.ElementFilter;
import javax.lang.model.util.Elements; import javax.lang.model.util.Elements;
import javax.lang.model.util.SimpleTypeVisitor6; import javax.lang.model.util.SimpleTypeVisitor6;
import javax.lang.model.util.Types;
import javax.persistence.Access; import javax.persistence.Access;
import javax.persistence.AccessType; import javax.persistence.AccessType;
import javax.persistence.Embeddable; import javax.persistence.Embeddable;
@ -59,7 +58,7 @@ import org.hibernate.jpamodelgen.MetaModelGenerationException;
* @author Hardy Ferentschik * @author Hardy Ferentschik
* @author Emmanuel Bernard * @author Emmanuel Bernard
*/ */
public class TypeUtils { public final class TypeUtils {
public static final String DEFAULT_ANNOTATION_PARAMETER_NAME = "value"; public static final String DEFAULT_ANNOTATION_PARAMETER_NAME = "value";
private static final Map<String, String> PRIMITIVES = new HashMap<String, String>(); private static final Map<String, String> PRIMITIVES = new HashMap<String, String>();
@ -94,8 +93,8 @@ public class TypeUtils {
//superclass of Object is of NoType which returns some other kind //superclass of Object is of NoType which returns some other kind
if ( superClass.getKind() == TypeKind.DECLARED ) { if ( superClass.getKind() == TypeKind.DECLARED ) {
//F..king Ch...t Have those people used their horrible APIs even once? //F..king Ch...t Have those people used their horrible APIs even once?
final Element superClassElement = ( ( DeclaredType ) superClass ).asElement(); final Element superClassElement = ( (DeclaredType) superClass ).asElement();
return ( TypeElement ) superClassElement; return (TypeElement) superClassElement;
} }
else { else {
return null; return null;
@ -104,19 +103,11 @@ public class TypeUtils {
public static String extractClosestRealTypeAsString(TypeMirror type, Context context) { public static String extractClosestRealTypeAsString(TypeMirror type, Context context) {
if ( type instanceof TypeVariable ) { if ( type instanceof TypeVariable ) {
final TypeMirror compositeUpperBound = ( ( TypeVariable ) type ).getUpperBound(); final TypeMirror compositeUpperBound = ( (TypeVariable) type ).getUpperBound();
final Types types = context.getTypeUtils(); return extractClosestRealTypeAsString( compositeUpperBound, context );
final List<? extends TypeMirror> upperBounds = types.directSupertypes( compositeUpperBound );
if ( upperBounds.size() == 0 ) {
return compositeUpperBound.toString();
}
else {
//take the first one
return extractClosestRealTypeAsString( upperBounds.get( 0 ), context );
}
} }
else { else {
return type.toString(); return context.getTypeUtils().erasure( type ).toString();
} }
} }
@ -345,7 +336,7 @@ public class TypeUtils {
List<? extends AnnotationMirror> entityAnnotations = List<? extends AnnotationMirror> entityAnnotations =
context.getElementUtils().getAllAnnotationMirrors( subElement ); context.getElementUtils().getAllAnnotationMirrors( subElement );
for ( Object entityAnnotation : entityAnnotations ) { for ( Object entityAnnotation : entityAnnotations ) {
AnnotationMirror annotationMirror = ( AnnotationMirror ) entityAnnotation; AnnotationMirror annotationMirror = (AnnotationMirror) entityAnnotation;
if ( isIdAnnotation( annotationMirror ) ) { if ( isIdAnnotation( annotationMirror ) ) {
defaultAccessType = getAccessTypeOfIdAnnotation( subElement ); defaultAccessType = getAccessTypeOfIdAnnotation( subElement );
break; break;
@ -373,7 +364,7 @@ public class TypeUtils {
final AnnotationMirror accessAnnotationMirror = TypeUtils.getAnnotationMirror( element, Access.class ); final AnnotationMirror accessAnnotationMirror = TypeUtils.getAnnotationMirror( element, Access.class );
AccessType forcedAccessType = null; AccessType forcedAccessType = null;
if ( accessAnnotationMirror != null ) { if ( accessAnnotationMirror != null ) {
Element accessElement = ( Element ) TypeUtils.getAnnotationValue( Element accessElement = (Element) TypeUtils.getAnnotationValue(
accessAnnotationMirror, accessAnnotationMirror,
DEFAULT_ANNOTATION_PARAMETER_NAME DEFAULT_ANNOTATION_PARAMETER_NAME
); );
@ -415,7 +406,7 @@ public class TypeUtils {
@Override @Override
public String visitDeclared(DeclaredType declaredType, Element element) { public String visitDeclared(DeclaredType declaredType, Element element) {
TypeElement returnedElement = ( TypeElement ) context.getTypeUtils().asElement( declaredType ); TypeElement returnedElement = (TypeElement) context.getTypeUtils().asElement( declaredType );
String fqNameOfReturnType = null; String fqNameOfReturnType = null;
if ( containsAnnotation( returnedElement, Embeddable.class ) ) { if ( containsAnnotation( returnedElement, Embeddable.class ) ) {
fqNameOfReturnType = returnedElement.getQualifiedName().toString(); fqNameOfReturnType = returnedElement.getQualifiedName().toString();

33
tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/typedmappedsuperclass/AttachmentGroup.java Normal file
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@ -0,0 +1,33 @@
/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.hibernate.jpamodelgen.test.typedmappedsuperclass;
import java.util.Set;
import javax.persistence.Id;
import javax.persistence.MappedSuperclass;
import javax.persistence.OneToMany;
@MappedSuperclass
public abstract class AttachmentGroup<GroupType extends AttachmentGroup, PostType extends AttachmentGroupPost<UserRoleType, GroupType>, UserRoleType extends UserRole> {
@OneToMany(mappedBy = "parentGroup")
protected Set<PostType> posts;
@Id
long id;
}

27
tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/typedmappedsuperclass/AttachmentGroupInTopic.java Normal file
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@ -0,0 +1,27 @@
/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.hibernate.jpamodelgen.test.typedmappedsuperclass;
import javax.persistence.Entity;
@Entity
public class AttachmentGroupInTopic
extends AttachmentGroup<AttachmentGroupInTopic, AttachmentGroupPostInTopic, UserRole> {
public AttachmentGroupInTopic() {
}
}

27
tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/typedmappedsuperclass/AttachmentGroupPost.java Normal file
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@ -0,0 +1,27 @@
/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.hibernate.jpamodelgen.test.typedmappedsuperclass;
import javax.persistence.MappedSuperclass;
@MappedSuperclass
public abstract class AttachmentGroupPost<UserRoleType extends UserRole, GroupType extends AttachmentGroup>
extends Post<UserRoleType> {
}

24
tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/typedmappedsuperclass/AttachmentGroupPostInTopic.java Normal file
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@ -0,0 +1,24 @@
/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.hibernate.jpamodelgen.test.typedmappedsuperclass;
import javax.persistence.Entity;
@Entity
public class AttachmentGroupPostInTopic extends AttachmentGroupPost<UserRole, AttachmentGroupInTopic> {
}

25
tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/typedmappedsuperclass/Post.java Normal file
View File

@ -0,0 +1,25 @@
/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.hibernate.jpamodelgen.test.typedmappedsuperclass;
import javax.persistence.MappedSuperclass;
@MappedSuperclass
public abstract class Post<UserRoleType extends UserRole> {
}

42
tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/typedmappedsuperclass/TypesMappedSuperclassTest.java Normal file
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@ -0,0 +1,42 @@
/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// $Id$
package org.hibernate.jpamodelgen.test.typedmappedsuperclass;
import org.testng.annotations.Test;
import org.hibernate.jpamodelgen.test.util.CompilationTest;
import static org.hibernate.jpamodelgen.test.util.TestUtil.assertMetamodelClassGeneratedFor;
/**
* @author Hardy Ferentschik
* @see METAGEN-37
*/
public class TypesMappedSuperclassTest extends CompilationTest {
@Test
public void testExtractClosestRealType() {
assertMetamodelClassGeneratedFor( AttachmentGroup.class );
}
@Override
protected String getPackageNameOfCurrentTest() {
return TypesMappedSuperclassTest.class.getPackage().getName();
}
}

25
tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/typedmappedsuperclass/UserRole.java Normal file
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@ -0,0 +1,25 @@
/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.hibernate.jpamodelgen.test.typedmappedsuperclass;
import javax.persistence.Entity;
@Entity
public class UserRole {
}