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HHH-18106 - Java constant field resolution moved to JpaMetamodel

This commit is contained in:
Cedomir Igaly 2024-05-14 17:02:34 +02:00 committed by Gavin King
parent 8d2a0047e0
commit d738e75662
4 changed files with 58 additions and 10 deletions
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5
hibernate-core/src/main/java/org/hibernate/metamodel/model/domain/JpaMetamodel.java
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@ -19,6 +19,7 @@ import org.hibernate.jpa.spi.JpaCompliance;
import org.hibernate.metamodel.MappingMetamodel;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.type.descriptor.java.EnumJavaType;
import org.hibernate.type.descriptor.java.JavaType;
import org.hibernate.type.spi.TypeConfiguration;
/**
@ -94,6 +95,10 @@ public interface JpaMetamodel extends Metamodel {
<E extends Enum<E>> E enumValue(EnumJavaType<E> enumType, String terminal);
JavaType<?> getJavaConstantType(String className, String fieldName);
<T> T getJavaConstant(String className, String fieldName);
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Covariant returns

38
hibernate-core/src/main/java/org/hibernate/metamodel/model/domain/internal/JpaMetamodelImpl.java
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@ -8,6 +8,7 @@ package org.hibernate.metamodel.model.domain.internal;
import java.io.ObjectStreamException;
import java.io.Serializable;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
@ -319,6 +320,43 @@ public class JpaMetamodelImpl implements JpaMetamodelImplementor, Serializable {
return Enum.valueOf( enumType.getJavaTypeClass(), terminal );
}
@Override
public JavaType<?> getJavaConstantType(String className, String fieldName) {
try {
final Field referencedField = getJavaField( className, fieldName );
if ( referencedField != null ) {
return getTypeConfiguration()
.getJavaTypeRegistry()
.getDescriptor( referencedField.getType() );
}
}
catch (NoSuchFieldException e) {
}
return null;
}
@Override
public <T> T getJavaConstant(String className, String fieldName) {
try {
final Field referencedField = getJavaField( className, fieldName );
return (T) referencedField.get( null );
}
catch (NoSuchFieldException | IllegalAccessException e) {
throw new RuntimeException( e );
}
}
private Field getJavaField(String className, String fieldName) throws NoSuchFieldException {
final Class<?> namedClass =
getServiceRegistry()
.requireService( ClassLoaderService.class )
.classForName( className );
if ( namedClass != null ) {
return namedClass.getDeclaredField( fieldName );
}
return null;
}
@Override
public <T> void addNamedEntityGraph(String graphName, RootGraphImplementor<T> entityGraph) {
final EntityGraph<?> old = entityGraphMap.put(

10
hibernate-core/src/main/java/org/hibernate/metamodel/model/domain/internal/MappingMetamodelImpl.java
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@ -534,6 +534,16 @@ public class MappingMetamodelImpl extends QueryParameterBindingTypeResolverImpl
return jpaMetamodel.getAllowedEnumLiteralTexts(enumValue);
}
@Override
public JavaType<?> getJavaConstantType(String className, String fieldName) {
return jpaMetamodel.getJavaConstantType( className, fieldName );
}
@Override
public <T> T getJavaConstant(String className, String fieldName) {
return jpaMetamodel.getJavaConstant( className, fieldName );
}
@Override
public EnumJavaType<?> getEnumType(String className) {
return jpaMetamodel.getEnumType(className);

15
hibernate-core/src/main/java/org/hibernate/query/hql/internal/BasicDotIdentifierConsumer.java
View File

@ -228,16 +228,11 @@ public class BasicDotIdentifierConsumer implements DotIdentifierConsumer {
);
}
final Class<?> namedClass =
creationContext.getServiceRegistry()
.requireService( ClassLoaderService.class )
.classForName( prefix );
if ( namedClass != null ) {
final Field referencedField = namedClass.getDeclaredField( terminal );
final JavaType<?> fieldJtd =
jpaMetamodel.getTypeConfiguration().getJavaTypeRegistry()
.getDescriptor( referencedField.getType() );
return new SqmFieldLiteral<>( referencedField, fieldJtd, nodeBuilder);
final JavaType<?> fieldJtdTest = jpaMetamodel.getJavaConstantType( prefix, terminal );
if ( fieldJtdTest != null ) {
final Object constantValue = jpaMetamodel.getJavaConstant( prefix, terminal );
return new SqmFieldLiteral( constantValue, fieldJtdTest, terminal, nodeBuilder );
}
}
catch (Exception ignore) {