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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,6 @@
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
Expand Down Expand Up @@ -76,6 +75,7 @@ public class BytecodeProviderImpl implements BytecodeProvider {

private static final String INSTANTIATOR_PROXY_NAMING_SUFFIX = "HibernateInstantiator";
private static final String OPTIMIZER_PROXY_NAMING_SUFFIX = "HibernateAccessOptimizer";
private static final String OPTIMIZER_PROXY_BRIDGE_NAMING_SUFFIX = "HibernateAccessOptimizerBridge";
private static final ElementMatcher.Junction<NamedElement> newInstanceMethodName = ElementMatchers.named(
"newInstance" );
private static final ElementMatcher.Junction<NamedElement> getPropertyValuesMethodName = ElementMatchers.named(
Expand Down Expand Up @@ -281,13 +281,13 @@ public ReflectionOptimizer getReflectionOptimizer(
}
}

private static class ForeignPackageClassInfo {
private static class BridgeMembersClassInfo {
final Class<?> clazz;
final List<String> propertyNames = new ArrayList<>();
final List<Member> getters = new ArrayList<>();
final List<Member> setters = new ArrayList<>();

public ForeignPackageClassInfo(Class<?> clazz) {
public BridgeMembersClassInfo(Class<?> clazz) {
this.clazz = clazz;
}
}
Expand All @@ -296,93 +296,75 @@ private Class<?> determineAccessOptimizerSuperClass(Class<?> clazz, String[] pro
if ( clazz.isInterface() ) {
return Object.class;
}
// generate access optimizer super classes for foreign package super classes that declare fields
// generate access optimizer super classes for super classes that declare members requiring bridge methods
// each should declare protected static methods get_FIELDNAME(OWNER)/set_FIELDNAME(OWNER, TYPE)
// which should be called then from within GetPropertyValues/SetPropertyValues
// Since these super classes will be in the correct package, the package-private entity field access is fine
final List<ForeignPackageClassInfo> foreignPackageClassInfos = createForeignPackageClassInfos( clazz );
for ( Iterator<ForeignPackageClassInfo> iterator = foreignPackageClassInfos.iterator(); iterator.hasNext(); ) {
final ForeignPackageClassInfo foreignPackageClassInfo = iterator.next();
for ( int i = 0; i < getters.length; i++ ) {
final Member getter = getters[i];
final Member setter = setters[i];
boolean found = false;
if ( getter.getDeclaringClass() == foreignPackageClassInfo.clazz && !Modifier.isPublic( getter.getModifiers() ) ) {
foreignPackageClassInfo.getters.add( getter );
found = true;
}
if ( setter.getDeclaringClass() == foreignPackageClassInfo.clazz && !Modifier.isPublic( setter.getModifiers() ) ) {
foreignPackageClassInfo.setters.add( setter );
found = true;
}
if ( found ) {
foreignPackageClassInfo.propertyNames.add( propertyNames[i] );
}
}
if ( foreignPackageClassInfo.getters.isEmpty() && foreignPackageClassInfo.setters.isEmpty() ) {
iterator.remove();
}
}
final List<BridgeMembersClassInfo> bridgeMembersClassInfos = createBridgeMembersClassInfos( clazz, getters, setters, propertyNames );

Class<?> superClass = Object.class;
for ( int i = foreignPackageClassInfos.size() - 1; i >= 0; i-- ) {
final ForeignPackageClassInfo foreignPackageClassInfo = foreignPackageClassInfos.get( i );
for ( int i = bridgeMembersClassInfos.size() - 1; i >= 0; i-- ) {
final BridgeMembersClassInfo bridgeMembersClassInfo = bridgeMembersClassInfos.get( i );
final Class<?> newSuperClass = superClass;

final String className = foreignPackageClassInfo.clazz.getName() + "$" + OPTIMIZER_PROXY_NAMING_SUFFIX + encodeName( foreignPackageClassInfo.propertyNames, foreignPackageClassInfo.getters, foreignPackageClassInfo.setters );
final String className = bridgeMembersClassInfo.clazz.getName() + "$" + OPTIMIZER_PROXY_BRIDGE_NAMING_SUFFIX + encodeName( bridgeMembersClassInfo.propertyNames, bridgeMembersClassInfo.getters, bridgeMembersClassInfo.setters );
superClass = byteBuddyState.load(
foreignPackageClassInfo.clazz,
bridgeMembersClassInfo.clazz,
className,
(byteBuddy, namingStrategy) -> {
DynamicType.Builder<?> builder = byteBuddy.with( namingStrategy ).subclass( newSuperClass );
for ( Member getter : foreignPackageClassInfo.getters ) {
final Class<?> getterType;
if ( getter instanceof Field ) {
getterType = ( (Field) getter ).getType();
}
else {
getterType = ( (Method) getter ).getReturnType();
for ( Member getter : bridgeMembersClassInfo.getters ) {
if ( !Modifier.isPublic( getter.getModifiers() ) ) {
final Class<?> getterType;
if ( getter instanceof Field ) {
getterType = ( (Field) getter ).getType();
}
else {
getterType = ( (Method) getter ).getReturnType();
}

builder = builder.defineMethod(
"get_" + getter.getName(),
TypeDescription.Generic.OfNonGenericType.ForLoadedType.of(
getterType
),
Opcodes.ACC_PROTECTED | Opcodes.ACC_STATIC
)
.withParameter( bridgeMembersClassInfo.clazz )
.intercept(
new Implementation.Simple(
new GetFieldOnArgument(
getter
)
)
);
}

builder = builder.defineMethod(
"get_" + getter.getName(),
TypeDescription.Generic.OfNonGenericType.ForLoadedType.of(
getterType
),
Opcodes.ACC_PROTECTED | Opcodes.ACC_STATIC
)
.withParameter( foreignPackageClassInfo.clazz )
.intercept(
new Implementation.Simple(
new GetFieldOnArgument(
getter
)
)
);
}
for ( Member setter : foreignPackageClassInfo.setters ) {
final Class<?> setterType;
if ( setter instanceof Field ) {
setterType = ( (Field) setter ).getType();
}
else {
setterType = ( (Method) setter ).getParameterTypes()[0];
for ( Member setter : bridgeMembersClassInfo.setters ) {
if ( !Modifier.isPublic( setter.getModifiers() ) ) {
final Class<?> setterType;
if ( setter instanceof Field ) {
setterType = ( (Field) setter ).getType();
}
else {
setterType = ( (Method) setter ).getParameterTypes()[0];
}

builder = builder.defineMethod(
"set_" + setter.getName(),
TypeDescription.Generic.VOID,
Opcodes.ACC_PROTECTED | Opcodes.ACC_STATIC
)
.withParameter( bridgeMembersClassInfo.clazz )
.withParameter( setterType )
.intercept(
new Implementation.Simple(
new SetFieldOnArgument(
setter
)
)
);
}

builder = builder.defineMethod(
"set_" + setter.getName(),
TypeDescription.Generic.VOID,
Opcodes.ACC_PROTECTED | Opcodes.ACC_STATIC
)
.withParameter( foreignPackageClassInfo.clazz )
.withParameter( setterType )
.intercept(
new Implementation.Simple(
new SetFieldOnArgument(
setter
)
)
);
}

return builder;
Expand All @@ -392,10 +374,10 @@ private Class<?> determineAccessOptimizerSuperClass(Class<?> clazz, String[] pro
for ( int j = 0; j < getters.length; j++ ) {
final Member getter = getters[j];
final Member setter = setters[j];
if ( foreignPackageClassInfo.getters.contains( getter ) ) {
if ( bridgeMembersClassInfo.getters.contains( getter ) && !Modifier.isPublic( getter.getModifiers() ) ) {
getters[j] = new ForeignPackageMember( superClass, getter );
}
if ( foreignPackageClassInfo.setters.contains( setter ) ) {
if ( bridgeMembersClassInfo.setters.contains( setter ) && !Modifier.isPublic( setter.getModifiers() ) ) {
setters[j] = new ForeignPackageMember( superClass, setter );
}
}
Expand Down Expand Up @@ -619,16 +601,31 @@ private boolean is64BitType(Class<?> type) {
}
}

private List<ForeignPackageClassInfo> createForeignPackageClassInfos(Class<?> clazz) {
final List<ForeignPackageClassInfo> foreignPackageClassInfos = new ArrayList<>();
private List<BridgeMembersClassInfo> createBridgeMembersClassInfos(
Class<?> clazz,
Member[] getters,
Member[] setters,
String[] propertyNames) {
final List<BridgeMembersClassInfo> bridgeMembersClassInfos = new ArrayList<>();
Class<?> c = clazz.getSuperclass();
while (c != Object.class) {
if ( !c.getPackageName().equals( clazz.getPackageName() ) ) {
foreignPackageClassInfos.add( new ForeignPackageClassInfo( c ) );
final BridgeMembersClassInfo bridgeMemberClassInfo = new BridgeMembersClassInfo( c );
for ( int i = 0; i < getters.length; i++ ) {
final Member getter = getters[i];
final Member setter = setters[i];
if ( getter.getDeclaringClass() == c && !Modifier.isPublic( getter.getModifiers() )
|| setter.getDeclaringClass() == c && !Modifier.isPublic( setter.getModifiers() ) ) {
bridgeMemberClassInfo.getters.add( getter );
bridgeMemberClassInfo.setters.add( setter );
bridgeMemberClassInfo.propertyNames.add( propertyNames[i] );
}
}
if ( !bridgeMemberClassInfo.propertyNames.isEmpty() ) {
bridgeMembersClassInfos.add( bridgeMemberClassInfo );
}
c = c.getSuperclass();
}
return foreignPackageClassInfos;
return bridgeMembersClassInfos;
}

public ByteBuddyProxyHelper getByteBuddyProxyHelper() {
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,31 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
*/
package org.hibernate.orm.test.bytecode;

import org.hibernate.orm.test.bytecode.foreignpackage.ConcreteEntity;

import org.hibernate.testing.orm.junit.DomainModel;
import org.hibernate.testing.orm.junit.Jira;
import org.hibernate.testing.orm.junit.SessionFactory;
import org.hibernate.testing.orm.junit.SessionFactoryScope;
import org.junit.jupiter.api.Test;

@SessionFactory
@DomainModel(annotatedClasses = {
ConcreteEntity.class,
SuperclassEntity.class
})
@Jira("https://hibernate.atlassian.net/browse/HHH-19369")
public class ForeignPackageSuperclassAccessorTest {

@Test
public void test(SessionFactoryScope scope) {
scope.inTransaction( session -> {
session.find( SuperclassEntity.class, 1L );
} );
}
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
package org.hibernate.orm.test.bytecode;

import jakarta.persistence.Entity;
import jakarta.persistence.Id;
import jakarta.persistence.Inheritance;
import jakarta.persistence.InheritanceType;

@Entity
@Inheritance(strategy = InheritanceType.JOINED)
public class SuperclassEntity {
@Id
protected long id;
protected String name;

public long getId() {
return id;
}

public void setId(long id) {
this.id = id;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,35 @@
/*
* SPDX-License-Identifier: Apache-2.0
* Copyright Red Hat Inc. and Hibernate Authors
*/
package org.hibernate.orm.test.bytecode.enhancement.optimizer;

import jakarta.persistence.Entity;
import jakarta.persistence.Inheritance;
import jakarta.persistence.InheritanceType;
import org.hibernate.orm.test.bytecode.enhancement.optimizer.parent.Ancestor;

@Entity(name = "AncestorEntity")
@Inheritance(strategy = InheritanceType.JOINED)
public class AncestorEntity extends Ancestor {

private Long id;

private String field;

public Long getId() {
return id;
}

public void setId(Long id) {
this.id = id;
}

public String getField() {
return field;
}

public void setField(String field) {
this.field = field;
}
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
/*
* SPDX-License-Identifier: Apache-2.0
* Copyright Red Hat Inc. and Hibernate Authors
*/
package org.hibernate.orm.test.bytecode.enhancement.optimizer;

import jakarta.persistence.Entity;

@Entity(name = "ChildEntity3")
public class ChildEntity3 extends AncestorEntity {
private String childField;

public String getChildField() {
return childField;
}

public void setChieldField(String childField) {
this.childField = childField;
}
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
/*
* SPDX-License-Identifier: Apache-2.0
* Copyright Red Hat Inc. and Hibernate Authors
*/
package org.hibernate.orm.test.bytecode.enhancement.optimizer;

import jakarta.persistence.Entity;

@Entity(name = "ChildEntity4")
public class ChildEntity4 extends AncestorEntity {
private String childField;

public String getChildField() {
return childField;
}

public void setChieldField(String childField) {
this.childField = childField;
}
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
/*
* SPDX-License-Identifier: Apache-2.0
* Copyright Red Hat Inc. and Hibernate Authors
*/
package org.hibernate.orm.test.bytecode.enhancement.optimizer;

import jakarta.persistence.Entity;

@Entity(name = "ChildEntity5")
public class ChildEntity5 extends AncestorEntity {
private String childField;

public String getChildField() {
return childField;
}

public void setChieldField(String childField) {
this.childField = childField;
}
}
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