ArC: replace thread locals with fields in CreationalContextImpl

extensions/arc/runtime/src/main/java/io/quarkus/arc/runtime/ConfigBeanCreator.java

@@ -27,7 +27,7 @@ public Object create(CreationalContext<Object> creationalContext, Map<String, Ob
             throw new IllegalStateException("Cannot load required type: " + requiredType);
         }
 
-        InjectionPoint injectionPoint = InjectionPointProvider.get();
+        InjectionPoint injectionPoint = InjectionPointProvider.getCurrent(creationalContext);
         if (injectionPoint == null) {
             throw new IllegalStateException("No current injection point found");
         }

extensions/arc/runtime/src/main/java/io/quarkus/arc/runtime/ConfigStaticInitCheckInterceptor.java

@@ -14,7 +14,6 @@
 import org.jboss.logging.Logger;
 
 import io.quarkus.arc.Arc;
-import io.quarkus.arc.impl.InjectionPointProvider;
 import io.quarkus.runtime.ExecutionMode;
 import io.quarkus.runtime.annotations.StaticInitSafe;
 import io.smallrye.config.SmallRyeConfig;
@@ -37,7 +36,8 @@ public class ConfigStaticInitCheckInterceptor {
 
     @AroundInvoke
     Object aroundInvoke(InvocationContext context) throws Exception {
-        recordConfigValue(null, configValues);
+        InjectionPoint injectionPoint = (InjectionPoint) context.getParameters()[0];
+        recordConfigValue(injectionPoint, configValues);
         return context.proceed();
     }
 
@@ -46,9 +46,6 @@ static void recordConfigValue(InjectionPoint injectionPoint, ConfigStaticInitVal
             // No-op for any other execution mode
             return;
         }
-        if (injectionPoint == null) {
-            injectionPoint = InjectionPointProvider.get();
-        }
         if (injectionPoint == null) {
             throw new IllegalStateException("No current injection point found");
         }

extensions/smallrye-jwt/runtime/src/main/java/io/quarkus/smallrye/jwt/runtime/auth/RawOptionalClaimCreator.java

@@ -15,7 +15,7 @@ public class RawOptionalClaimCreator implements BeanCreator<Optional<?>> {
 
     @Override
     public Optional<?> create(CreationalContext<Optional<?>> creationalContext, Map<String, Object> params) {
-        InjectionPoint injectionPoint = InjectionPointProvider.get();
+        InjectionPoint injectionPoint = InjectionPointProvider.getCurrent(creationalContext);
         if (injectionPoint == null) {
             throw new IllegalStateException("No current injection point found");
         }

independent-projects/arc/processor/src/main/java/io/quarkus/arc/processor/BeanGenerator.java

@@ -1305,24 +1305,41 @@ private ResultHandle newInstanceHandle(BeanInfo bean, ClassCreator beanCreator,
             if (Modifier.isPrivate(constructor.flags())) {
                 privateMembers.add(isApplicationClass,
                         String.format("Bean constructor %s on %s", constructor, constructor.declaringClass().name()));
-                ResultHandle paramTypesArray = creator.newArray(Class.class, creator.load(providerHandles.size()));
-                ResultHandle argsArray = creator.newArray(Object.class, creator.load(providerHandles.size()));
+                int params = providerHandles.size();
+                if (providerTypeName.endsWith(DecoratorGenerator.ABSTRACT_IMPL_SUFFIX)) {
+                    params++;
+                }
+                ResultHandle paramTypesArray = creator.newArray(Class.class, creator.load(params));
+                ResultHandle argsArray = creator.newArray(Object.class, creator.load(params));
                 for (int i = 0; i < injectionPoints.size(); i++) {
                     creator.writeArrayValue(paramTypesArray, i,
                             creator.loadClass(injectionPoints.get(i).getType().name().toString()));
                     creator.writeArrayValue(argsArray, i, providerHandles.get(i));
                 }
+                if (providerTypeName.endsWith(DecoratorGenerator.ABSTRACT_IMPL_SUFFIX)) {
+                    creator.writeArrayValue(paramTypesArray, params - 1, creator.loadClass(CreationalContext.class));
+                    creator.writeArrayValue(argsArray, params - 1, createMethod.getMethodParam(0));
+                }
                 registration.registerMethod(constructor);
                 return creator.invokeStaticMethod(MethodDescriptors.REFLECTIONS_NEW_INSTANCE,
                         creator.loadClass(constructor.declaringClass().name().toString()),
                         paramTypesArray, argsArray);
             } else {
                 // new SimpleBean(foo)
-                String[] paramTypes = new String[injectionPoints.size()];
+                int params = injectionPoints.size();
+                if (providerTypeName.endsWith(DecoratorGenerator.ABSTRACT_IMPL_SUFFIX)) {
+                    params++;
+                }
+                String[] paramTypes = new String[params];
                 for (ListIterator<InjectionPointInfo> iterator = injectionPoints.listIterator(); iterator.hasNext();) {
                     InjectionPointInfo injectionPoint = iterator.next();
                     paramTypes[iterator.previousIndex()] = DescriptorUtils.typeToString(injectionPoint.getType());
                 }
+                if (providerTypeName.endsWith(DecoratorGenerator.ABSTRACT_IMPL_SUFFIX)) {
+                    paramTypes[params - 1] = CreationalContext.class.getName();
+                    providerHandles = new ArrayList<>(providerHandles);
+                    providerHandles.add(createMethod.getMethodParam(0));
+                }
                 return creator.newInstance(MethodDescriptor.ofConstructor(providerTypeName, paramTypes),
                         providerHandles.toArray(new ResultHandle[0]));
             }
@@ -1332,16 +1349,34 @@ private ResultHandle newInstanceHandle(BeanInfo bean, ClassCreator beanCreator,
                 privateMembers.add(isApplicationClass,
                         String.format("Bean constructor %s on %s", noArgsConstructor,
                                 noArgsConstructor.declaringClass().name()));
-                ResultHandle paramTypesArray = creator.newArray(Class.class, creator.load(0));
-                ResultHandle argsArray = creator.newArray(Object.class, creator.load(0));
+                ResultHandle paramTypesArray;
+                ResultHandle argsArray;
+                if (providerTypeName.endsWith(DecoratorGenerator.ABSTRACT_IMPL_SUFFIX)) {
+                    paramTypesArray = creator.newArray(Class.class, 1);
+                    argsArray = creator.newArray(Object.class, 1);
+                    creator.writeArrayValue(paramTypesArray, 0, creator.loadClass(CreationalContext.class));
+                    creator.writeArrayValue(argsArray, 0, createMethod.getMethodParam(0));
+                } else {
+                    paramTypesArray = creator.newArray(Class.class, 0);
+                    argsArray = creator.newArray(Object.class, 0);
+                }
 
                 registration.registerMethod(noArgsConstructor);
                 return creator.invokeStaticMethod(MethodDescriptors.REFLECTIONS_NEW_INSTANCE,
                         creator.loadClass(noArgsConstructor.declaringClass().name().toString()), paramTypesArray,
                         argsArray);
             } else {
+                Object[] paramTypes;
+                ResultHandle[] args;
+                if (providerTypeName.endsWith(DecoratorGenerator.ABSTRACT_IMPL_SUFFIX)) {
+                    paramTypes = new Object[] { CreationalContext.class };
+                    args = new ResultHandle[] { createMethod.getMethodParam(0) };
+                } else {
+                    paramTypes = new Object[0];
+                    args = new ResultHandle[0];
+                }
                 // new SimpleBean()
-                return creator.newInstance(MethodDescriptor.ofConstructor(providerTypeName));
+                return creator.newInstance(MethodDescriptor.ofConstructor(providerTypeName, paramTypes), args);
             }
         }
     }

independent-projects/arc/processor/src/main/java/io/quarkus/arc/processor/DecoratorGenerator.java

@@ -5,6 +5,7 @@
 import static org.objectweb.asm.Opcodes.ACC_PUBLIC;
 
 import java.lang.reflect.Type;
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
@@ -16,6 +17,8 @@
 import java.util.function.Predicate;
 import java.util.function.Supplier;
 
+import jakarta.enterprise.context.spi.CreationalContext;
+
 import org.jboss.jandex.AnnotationInstance;
 import org.jboss.jandex.ClassInfo;
 import org.jboss.jandex.DotName;
@@ -171,8 +174,13 @@ private String generateDecoratorImplementation(String baseName, String targetPac
 
         // Constructor
         MethodInfo decoratorConstructor = decoratorClass.firstMethod(Methods.INIT);
+        List<String> decoratorConstructorParams = new ArrayList<>();
+        for (org.jboss.jandex.Type parameterType : decoratorConstructor.parameterTypes()) {
+            decoratorConstructorParams.add(parameterType.name().toString());
+        }
+        decoratorConstructorParams.add(CreationalContext.class.getName());
         MethodCreator constructor = decoratorImplCreator.getMethodCreator(Methods.INIT, "V",
-                decoratorConstructor.parameterTypes().stream().map(it -> it.name().toString()).toArray());
+                decoratorConstructorParams.toArray(new Object[0]));
         ResultHandle[] constructorArgs = new ResultHandle[decoratorConstructor.parametersCount()];
         for (int i = 0; i < decoratorConstructor.parametersCount(); i++) {
             constructorArgs[i] = constructor.getMethodParam(i);
@@ -181,7 +189,8 @@ private String generateDecoratorImplementation(String baseName, String targetPac
         constructor.invokeSpecialMethod(decoratorConstructor, constructor.getThis(), constructorArgs);
         // Set the delegate field
         constructor.writeInstanceField(delegateField.getFieldDescriptor(), constructor.getThis(),
-                constructor.invokeStaticMethod(MethodDescriptors.DECORATOR_DELEGATE_PROVIDER_GET));
+                constructor.invokeStaticMethod(MethodDescriptors.DECORATOR_DELEGATE_PROVIDER_GET,
+                        constructor.getMethodParam(decoratorConstructor.parametersCount())));
         constructor.returnValue(null);
 
         // Find non-decorated methods from all decorated types

independent-projects/arc/processor/src/main/java/io/quarkus/arc/processor/MethodDescriptors.java

@@ -287,14 +287,11 @@ public final class MethodDescriptors {
     public static final MethodDescriptor CLIENT_PROXIES_GET_DELEGATE = MethodDescriptor.ofMethod(ClientProxies.class,
             "getDelegate", Object.class, InjectableBean.class);
 
-    public static final MethodDescriptor DECORATOR_DELEGATE_PROVIDER_SET = MethodDescriptor
-            .ofMethod(DecoratorDelegateProvider.class, "set", Object.class, Object.class);
+    public static final MethodDescriptor DECORATOR_DELEGATE_PROVIDER_GET = MethodDescriptor.ofMethod(
+            DecoratorDelegateProvider.class, "getCurrent", Object.class, CreationalContext.class);
 
-    public static final MethodDescriptor DECORATOR_DELEGATE_PROVIDER_UNSET = MethodDescriptor
-            .ofMethod(DecoratorDelegateProvider.class, "unset", void.class);
-
-    public static final MethodDescriptor DECORATOR_DELEGATE_PROVIDER_GET = MethodDescriptor
-            .ofMethod(DecoratorDelegateProvider.class, "get", Object.class);
+    public static final MethodDescriptor DECORATOR_DELEGATE_PROVIDER_SET = MethodDescriptor.ofMethod(
+            DecoratorDelegateProvider.class, "setCurrent", Object.class, CreationalContext.class, Object.class);
 
     public static final MethodDescriptor INSTANCES_LIST_OF = MethodDescriptor
             .ofMethod(Instances.class, "listOf", List.class, InjectableBean.class, Type.class, Type.class,

independent-projects/arc/processor/src/main/java/io/quarkus/arc/processor/SubclassGenerator.java

@@ -817,12 +817,14 @@ && isDecorated(decoratedMethodDescriptors, methodDescriptor, resolvedMethodDescr
         }
         ResultHandle delegateSubclassInstance = subclassConstructor.newInstance(MethodDescriptor.ofConstructor(
                 delegateSubclass.getClassName(), constructorParameterTypes.toArray(new String[0])), paramHandles);
-        subclassConstructor.invokeStaticMethod(MethodDescriptors.DECORATOR_DELEGATE_PROVIDER_SET, delegateSubclassInstance);
+        ResultHandle prev = subclassConstructor.invokeStaticMethod(
+                MethodDescriptors.DECORATOR_DELEGATE_PROVIDER_SET, creationalContext, delegateSubclassInstance);
 
         ResultHandle decoratorInstance = subclassConstructor.invokeInterfaceMethod(
                 MethodDescriptors.INJECTABLE_REF_PROVIDER_GET, constructorMethodParam, creationalContext);
         // And unset the delegate IP afterwards
-        subclassConstructor.invokeStaticMethod(MethodDescriptors.DECORATOR_DELEGATE_PROVIDER_UNSET);
+        subclassConstructor.invokeStaticMethod(
+                MethodDescriptors.DECORATOR_DELEGATE_PROVIDER_SET, creationalContext, prev);
 
         decoratorToResultHandle.put(decorator.getIdentifier(), decoratorInstance);
 

independent-projects/arc/runtime/src/main/java/io/quarkus/arc/impl/ArcContainerImpl.java

@@ -553,14 +553,14 @@ static <T> InstanceHandle<T> beanInstanceHandle(InjectableBean<T> bean, Creation
             }
             InjectionPoint prev = null;
             if (resetCurrentInjectionPoint) {
-                prev = InjectionPointProvider.set(CurrentInjectionPointProvider.EMPTY);
+                prev = InjectionPointProvider.setCurrent(creationalContext, CurrentInjectionPointProvider.EMPTY);
             }
             try {
                 return new EagerInstanceHandle<>(bean, bean.get(creationalContext), creationalContext, parentContext,
                         destroyLogic);
             } finally {
                 if (resetCurrentInjectionPoint) {
-                    InjectionPointProvider.set(prev);
+                    InjectionPointProvider.setCurrent(creationalContext, prev);
                 }
             }
         } else {

independent-projects/arc/runtime/src/main/java/io/quarkus/arc/impl/BeanManagerImpl.java

@@ -62,12 +62,12 @@ public Object getReference(Bean<?> bean, Type beanType, CreationalContext<?> ctx
         if (bean instanceof InjectableBean && ctx instanceof CreationalContextImpl) {
             // there's no actual injection point or an `Instance` object,
             // the "current" injection point must be `null`
-            InjectionPoint prev = InjectionPointProvider.set(null);
+            InjectionPoint prev = InjectionPointProvider.setCurrent(ctx, null);
             try {
                 return ArcContainerImpl.beanInstanceHandle((InjectableBean) bean, (CreationalContextImpl) ctx,
                         false, null, true).get();
             } finally {
-                InjectionPointProvider.set(prev);
+                InjectionPointProvider.setCurrent(ctx, prev);
             }
         }
         throw new IllegalArgumentException(
@@ -86,12 +86,12 @@ public Object getInjectableReference(InjectionPoint ij, CreationalContext<?> ctx
                 throw new UnsatisfiedResolutionException();
             }
             InjectableBean<?> bean = (InjectableBean<?>) resolve(beans);
-            InjectionPoint prev = InjectionPointProvider.set(ij);
+            InjectionPoint prev = InjectionPointProvider.setCurrent(ctx, ij);
             try {
                 return ArcContainerImpl.beanInstanceHandle(bean, (CreationalContextImpl) ctx,
                         false, null, true).get();
             } finally {
-                InjectionPointProvider.set(prev);
+                InjectionPointProvider.setCurrent(ctx, prev);
             }
         }
         throw new IllegalArgumentException(

independent-projects/arc/runtime/src/main/java/io/quarkus/arc/impl/CreationalContextImpl.java

@@ -7,6 +7,7 @@
 
 import jakarta.enterprise.context.spi.Contextual;
 import jakarta.enterprise.context.spi.CreationalContext;
+import jakarta.enterprise.inject.spi.InjectionPoint;
 
 import io.quarkus.arc.InjectableBean;
 import io.quarkus.arc.InjectableReferenceProvider;
@@ -24,6 +25,9 @@ public class CreationalContextImpl<T> implements CreationalContext<T>, Function<
     private final CreationalContextImpl<?> parent;
     private List<InstanceHandle<?>> dependentInstances;
 
+    private InjectionPoint currentInjectionPoint;
+    private Object currentDecoratorDelegate;
+
     public CreationalContextImpl(Contextual<T> contextual) {
         this(contextual, null);
     }
@@ -129,4 +133,50 @@ public static <I> void addDependencyToParent(InjectableBean<I> bean, I instance,
         }
     }
 
+    static <T> InjectionPoint getCurrentInjectionPoint(CreationalContext<T> ctx) {
+        CreationalContextImpl<?> instance = unwrap(ctx);
+        while (instance != null) {
+            synchronized (instance) {
+                InjectionPoint result = instance.currentInjectionPoint;
+                if (result != null) {
+                    return result;
+                }
+            }
+            instance = instance.parent;
+        }
+        return null;
+    }
+
+    static <T> InjectionPoint setCurrentInjectionPoint(CreationalContext<T> ctx, InjectionPoint injectionPoint) {
+        CreationalContextImpl<T> instance = unwrap(ctx);
+        synchronized (instance) {
+            InjectionPoint previous = instance.currentInjectionPoint;
+            instance.currentInjectionPoint = injectionPoint;
+            return previous;
+        }
+    }
+
+    static <T> Object getCurrentDecoratorDelegate(CreationalContext<T> ctx) {
+        CreationalContextImpl<?> instance = unwrap(ctx);
+        while (instance != null) {
+            synchronized (instance) {
+                Object result = instance.currentDecoratorDelegate;
+                if (result != null) {
+                    return result;
+                }
+            }
+            instance = instance.parent;
+        }
+        return null;
+    }
+
+    static <T> Object setCurrentDecoratorDelegate(CreationalContext<T> ctx, Object decoratorDelegate) {
+        CreationalContextImpl<T> instance = unwrap(ctx);
+        synchronized (instance) {
+            Object previous = instance.currentDecoratorDelegate;
+            instance.currentDecoratorDelegate = decoratorDelegate;
+            return previous;
+        }
+    }
+
 }

independent-projects/arc/runtime/src/main/java/io/quarkus/arc/impl/CurrentInjectionPointProvider.java

@@ -43,11 +43,11 @@ public CurrentInjectionPointProvider(InjectableBean<?> bean, Supplier<Injectable
 
     @Override
     public T get(CreationalContext<T> creationalContext) {
-        InjectionPoint prev = InjectionPointProvider.set(injectionPoint);
+        InjectionPoint prev = InjectionPointProvider.setCurrent(creationalContext, injectionPoint);
         try {
             return delegateSupplier.get().get(creationalContext);
         } finally {
-            InjectionPointProvider.set(prev);
+            InjectionPointProvider.setCurrent(creationalContext, prev);
         }
     }
 

independent-projects/arc/runtime/src/main/java/io/quarkus/arc/impl/DecoratorDelegateProvider.java

@@ -6,40 +6,22 @@
 
 public class DecoratorDelegateProvider implements InjectableReferenceProvider<Object> {
 
-    private static final ThreadLocal<Object> CURRENT = new ThreadLocal<>();
-
     @Override
     public Object get(CreationalContext<Object> creationalContext) {
-        return CURRENT.get();
+        return getCurrent(creationalContext);
+    }
+
+    public static Object getCurrent(CreationalContext<?> ctx) {
+        return CreationalContextImpl.getCurrentDecoratorDelegate(ctx);
     }
 
     /**
-     * Set the current delegate for a non-null parameter, remove the threadlocal for null parameter.
+     * Set the current delegate for a non-null parameter, or remove it for null parameter.
      *
-     * @param delegate
      * @return the previous delegate or {@code null}
      */
-    public static Object set(Object delegate) {
-        if (delegate != null) {
-            Object prev = CURRENT.get();
-            if (delegate.equals(prev)) {
-                return delegate;
-            } else {
-                CURRENT.set(delegate);
-                return prev;
-            }
-        } else {
-            CURRENT.remove();
-            return null;
-        }
-    }
-
-    public static void unset() {
-        set(null);
-    }
-
-    public static Object get() {
-        return CURRENT.get();
+    public static Object setCurrent(CreationalContext<?> ctx, Object delegate) {
+        return CreationalContextImpl.setCurrentDecoratorDelegate(ctx, delegate);
     }
 
 }

independent-projects/arc/runtime/src/main/java/io/quarkus/arc/impl/EventBean.java

@@ -19,7 +19,7 @@ public Set<Type> getTypes() {
     @Override
     public Event<?> get(CreationalContext<Event<?>> creationalContext) {
         // Obtain current IP to get the required type and qualifiers
-        InjectionPoint ip = InjectionPointProvider.get();
+        InjectionPoint ip = InjectionPointProvider.getCurrent(creationalContext);
         return new EventImpl<>(ip.getType(), ip.getQualifiers(), ip);
     }