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Merge pull request #33841 from mkouba/issue-33803
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ArC: fix some scenarios with generic decorators
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@mkouba
mkouba authored Jun 7, 2023
2 parents 3ecc338 + 47b7f74 commit 791a092
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Showing 9 changed files with 546 additions and 70 deletions.
101 changes: 76 additions & 25 deletions independent-projects/arc/processor/src/main/java/io/quarkus/arc/processor/BeanInfo.java
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Objects;
Expand Down Expand Up @@ -350,23 +351,41 @@ List<MethodInfo> getInterceptedOrDecoratedMethods() {
Set<MethodInfo> getDecoratedMethods(DecoratorInfo decorator) {
Set<MethodInfo> decorated = new HashSet<>();
for (Entry<MethodInfo, DecorationInfo> entry : decoratedMethods.entrySet()) {
if (entry.getValue().decorators.contains(decorator)) {
if (entry.getValue().contains(decorator)) {
decorated.add(entry.getKey());
}
}
return decorated;
}

MethodInfo getDecoratedMethod(MethodInfo decoratorMethod, DecoratorInfo decorator) {
for (Entry<MethodInfo, DecorationInfo> e : decoratedMethods.entrySet()) {
for (DecoratorMethod dm : e.getValue().decoratorMethods) {
if (dm.decorator.equals(decorator) && dm.method.equals(decoratorMethod)) {
return e.getKey();
}
}
}
return null;
}

// Returns a map of method descriptor -> next decorator in the chain
// e.g. foo() -> BravoDecorator
Map<MethodDescriptor, DecoratorInfo> getNextDecorators(DecoratorInfo decorator) {
Map<MethodDescriptor, DecoratorInfo> next = new HashMap<>();
Map<MethodDescriptor, DecoratorMethod> getNextDecorators(DecoratorInfo decorator) {
Map<MethodDescriptor, DecoratorMethod> next = new HashMap<>();
for (Entry<MethodInfo, DecorationInfo> entry : decoratedMethods.entrySet()) {
List<DecoratorInfo> decorators = entry.getValue().decorators;
int index = decorators.indexOf(decorator);
List<DecoratorMethod> decoratorMethods = entry.getValue().decoratorMethods;
int index = -1;
for (ListIterator<DecoratorMethod> it = decoratorMethods.listIterator(); it.hasNext();) {
DecoratorMethod dm = it.next();
if (dm.decorator.equals(decorator)) {
index = it.previousIndex();
break;
}
}
if (index != -1) {
if (index != (decorators.size() - 1)) {
next.put(MethodDescriptor.of(entry.getKey()), decorators.get(index + 1));
if (index != (decoratorMethods.size() - 1)) {
next.put(MethodDescriptor.of(entry.getKey()), decoratorMethods.get(index + 1));
}
}
}
Expand Down Expand Up @@ -456,9 +475,9 @@ public List<DecoratorInfo> getBoundDecorators() {
}
List<DecoratorInfo> bound = new ArrayList<>();
for (DecorationInfo decoration : decoratedMethods.values()) {
for (DecoratorInfo decorator : decoration.decorators) {
if (!bound.contains(decorator)) {
bound.add(decorator);
for (DecoratorMethod dm : decoration.decoratorMethods) {
if (!bound.contains(dm.decorator)) {
bound.add(dm.decorator);
}
}
}
Expand Down Expand Up @@ -692,7 +711,7 @@ private Map<MethodInfo, DecorationInfo> initDecoratedMethods() {
beanDeployment.getBeanArchiveIndex(), beanDeployment.getObserverAndProducerMethods(),
beanDeployment.getAnnotationStore()));

Map<MethodInfo, DecorationInfo> decoratedMethods = new HashMap<>(candidates.size());
Map<MethodInfo, DecorationInfo> decoratedMethods = new HashMap<>();
for (Entry<MethodKey, DecorationInfo> entry : candidates.entrySet()) {
decoratedMethods.put(entry.getKey().method, entry.getValue());
}
Expand All @@ -706,9 +725,10 @@ private void addDecoratedMethods(Map<MethodKey, DecorationInfo> decoratedMethods
if (skipPredicate.test(method)) {
continue;
}
List<DecoratorInfo> matching = findMatchingDecorators(method, boundDecorators);
if (!matching.isEmpty()) {
decoratedMethods.computeIfAbsent(new MethodKey(method), key -> new DecorationInfo(matching));
List<DecoratorMethod> matching = findMatchingDecorators(method, boundDecorators);
MethodKey key = new MethodKey(method);
if (!matching.isEmpty() && !decoratedMethods.containsKey(key)) {
decoratedMethods.put(key, new DecorationInfo(matching));
}
}
skipPredicate.methodsProcessed();
Expand All @@ -720,12 +740,11 @@ private void addDecoratedMethods(Map<MethodKey, DecorationInfo> decoratedMethods
}
}

private List<DecoratorInfo> findMatchingDecorators(MethodInfo method, List<DecoratorInfo> decorators) {
private List<DecoratorMethod> findMatchingDecorators(MethodInfo method, List<DecoratorInfo> decorators) {
List<Type> methodParams = method.parameterTypes();
List<DecoratorInfo> matching = new ArrayList<>(decorators.size());
List<DecoratorMethod> matching = new ArrayList<>(decorators.size());
for (DecoratorInfo decorator : decorators) {
for (Type decoratedType : decorator.getDecoratedTypes()) {
// Converter<String>
ClassInfo decoratedTypeClass = decorator.getDeployment().getBeanArchiveIndex()
.getClassByName(decoratedType.name());
if (decoratedTypeClass == null) {
Expand All @@ -750,13 +769,20 @@ private List<DecoratorInfo> findMatchingDecorators(MethodInfo method, List<Decor
decoratedMethod,
beanDeployment.getBeanArchiveIndex());
for (int i = 0; i < methodParams.size(); i++) {
if (!beanDeployment.getDelegateInjectionPointResolver().matches(decoratedMethodParams.get(i),
methodParams.get(i))) {
matches = false;
BeanResolver resolver = beanDeployment.getDelegateInjectionPointResolver();
Type decoratedParam = decoratedMethodParams.get(i);
if (decoratedParam.kind() == org.jboss.jandex.Type.Kind.TYPE_VARIABLE) {
if (!resolver.matchTypeArguments(decoratedParam, methodParams.get(i))) {
matches = false;
}
} else {
if (!resolver.matches(decoratedParam, methodParams.get(i))) {
matches = false;
}
}
}
if (matches) {
matching.add(decorator);
matching.add(new DecoratorMethod(decorator, decoratedMethod));
}
}
}
Expand Down Expand Up @@ -942,14 +968,39 @@ boolean isEmpty() {

static class DecorationInfo {

final List<DecoratorInfo> decorators;
final List<DecoratorMethod> decoratorMethods;

public DecorationInfo(List<DecoratorInfo> decorators) {
this.decorators = decorators;
public DecorationInfo(List<DecoratorMethod> decoratorMethods) {
this.decoratorMethods = decoratorMethods;
}

boolean isEmpty() {
return decorators.isEmpty();
return decoratorMethods.isEmpty();
}

boolean contains(DecoratorInfo decorator) {
for (DecoratorMethod dm : decoratorMethods) {
if (dm.decorator.equals(decorator)) {
return true;
}
}
return false;
}

DecoratorMethod firstDecoratorMethod() {
return decoratorMethods.get(0);
}

}

static class DecoratorMethod {

final DecoratorInfo decorator;
final MethodInfo method;

public DecoratorMethod(DecoratorInfo decorator, MethodInfo method) {
this.decorator = Objects.requireNonNull(decorator);
this.method = Objects.requireNonNull(method);
}

}
Expand Down
7 changes: 7 additions & 0 deletions independent-projects/arc/processor/src/main/java/io/quarkus/arc/processor/BeanResolver.java
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Original file line number Diff line number Diff line change
Expand Up @@ -85,4 +85,11 @@ default Set<BeanInfo> resolveBeans(Type requiredType, AnnotationInstance... requ
*/
boolean hasQualifier(Collection<AnnotationInstance> qualifiers, AnnotationInstance requiredQualifier);

/**
* @param requiredTypeArgument
* @param typeArgument
* @return {@code true} if the required type argument matches the given type argument, {@code false} otherwise
*/
boolean matchTypeArguments(Type requiredTypeArgument, Type typeArgument);

}
6 changes: 3 additions & 3 deletions ...ndent-projects/arc/processor/src/main/java/io/quarkus/arc/processor/BeanResolverImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -185,19 +185,19 @@ boolean matchesNoBoxing(Type requiredType, Type beanType) {
throw new IllegalArgumentException("Invalid argument combination " + requiredType + "; " + beanType);
}
for (int i = 0; i < requiredTypeArguments.size(); i++) {
if (!parametersMatch(requiredTypeArguments.get(i), beanTypeArguments.get(i))) {
if (!matchTypeArguments(requiredTypeArguments.get(i), beanTypeArguments.get(i))) {
return false;
}
}
return true;
}
} else if (WILDCARD_TYPE.equals(requiredType.kind())) {
return parametersMatch(requiredType, beanType);
return matchTypeArguments(requiredType, beanType);
}
return false;
}

boolean parametersMatch(Type requiredParameter, Type beanParameter) {
public boolean matchTypeArguments(Type requiredParameter, Type beanParameter) {
if (isActualType(requiredParameter) && isActualType(beanParameter)) {
/*
* the required type parameter and the bean type parameter are actual types with identical raw type, and, if the
Expand Down
2 changes: 1 addition & 1 deletion .../processor/src/main/java/io/quarkus/arc/processor/DelegateInjectionPointResolverImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@ class DelegateInjectionPointResolverImpl extends BeanResolverImpl {
}

@Override
boolean parametersMatch(Type delegateType, Type beanParameter) {
public boolean matchTypeArguments(Type delegateType, Type beanParameter) {
// this is the same as for bean types
if (isActualType(delegateType) && isActualType(beanParameter)) {
/*
Expand Down
8 changes: 7 additions & 1 deletion independent-projects/arc/processor/src/main/java/io/quarkus/arc/processor/Methods.java
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Original file line number Diff line number Diff line change
Expand Up @@ -140,7 +140,7 @@ private static boolean skipForClientProxy(MethodInfo method, boolean transformUn
}

static boolean skipForDelegateSubclass(MethodInfo method) {
if (Modifier.isStatic(method.flags())) {
if (Modifier.isStatic(method.flags()) || method.isSynthetic() || isDefault(method)) {
return true;
}
if (IGNORED_METHODS.contains(method.name())) {
Expand All @@ -153,6 +153,12 @@ static boolean skipForDelegateSubclass(MethodInfo method) {
return false;
}

static boolean isDefault(MethodInfo method) {
// Default methods are public non-abstract instance methods declared in an interface
return ((method.flags() & (Modifier.ABSTRACT | Modifier.PUBLIC | Modifier.STATIC)) == Modifier.PUBLIC)
&& method.declaringClass().isInterface();
}

static boolean isObjectToString(MethodInfo method) {
return method.declaringClass().name().equals(DotNames.OBJECT) && method.name().equals(TO_STRING);
}
Expand Down
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