Merge pull request #45219 from geoand/rr-optimization

Get rid of unnecessary reflective calls at RESTEasy Reactive startup

Author: geoand

independent-projects/resteasy-reactive/server/runtime/src/main/java/org/jboss/resteasy/reactive/server/core/startup/RuntimeResourceDeployment.java

@@ -17,11 +17,9 @@
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
-import java.util.Set;
 import java.util.concurrent.Executor;
 import java.util.function.Supplier;
 
@@ -177,19 +175,8 @@ public RuntimeResource buildResourceMethod(ResourceClass clazz,
             }
         }
 
-        Annotation[] resourceClassAnnotations = resourceClass.getAnnotations();
-        Set<String> classAnnotationNames;
-        if (resourceClassAnnotations.length == 0) {
-            classAnnotationNames = Collections.emptySet();
-        } else {
-            classAnnotationNames = new HashSet<>(resourceClassAnnotations.length);
-            for (Annotation annotation : resourceClassAnnotations) {
-                classAnnotationNames.add(annotation.annotationType().getName());
-            }
-        }
-
         ResteasyReactiveResourceInfo lazyMethod = new ResteasyReactiveResourceInfo(method.getName(), resourceClass,
-                parameterDeclaredUnresolvedTypes, classAnnotationNames, method.getMethodAnnotationNames(),
+                parameterDeclaredUnresolvedTypes,
                 !defaultBlocking && !method.isBlocking(), method.getActualDeclaringClassName());
 
         RuntimeInterceptorDeployment.MethodInterceptorContext interceptorDeployment = runtimeInterceptorDeployment

independent-projects/resteasy-reactive/server/runtime/src/main/java/org/jboss/resteasy/reactive/server/spi/ResteasyReactiveResourceInfo.java

@@ -3,7 +3,6 @@
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Method;
 import java.lang.reflect.Type;
-import java.util.Set;
 
 import jakarta.ws.rs.container.ResourceInfo;
 
@@ -20,8 +19,6 @@ public class ResteasyReactiveResourceInfo implements ResourceInfo {
     private final String name;
     private final Class<?> declaringClass;
     private final Class[] parameterTypes;
-    private final Set<String> classAnnotationNames;
-    private final Set<String> methodAnnotationNames;
     /**
      * If it's non-blocking method within the runtime that won't always default to blocking
      */
@@ -30,27 +27,17 @@ public class ResteasyReactiveResourceInfo implements ResourceInfo {
      * This class name will only differ from {@link this#declaringClass} name when the {@link this#method} was inherited.
      */
     private final String actualDeclaringClassName;
-    private volatile Annotation[] classAnnotations;
     private volatile Method method;
     private volatile Annotation[] annotations;
     private volatile Type returnType;
     private volatile String methodId;
 
-    @Deprecated
-    public ResteasyReactiveResourceInfo(String name, Class<?> declaringClass, Class[] parameterTypes,
-            Set<String> classAnnotationNames, Set<String> methodAnnotationNames, boolean isNonBlocking) {
-        this(name, declaringClass, parameterTypes, classAnnotationNames, methodAnnotationNames, isNonBlocking,
-                declaringClass.getName());
-    }
-
     public ResteasyReactiveResourceInfo(String name, Class<?> declaringClass, Class[] parameterTypes,
-            Set<String> classAnnotationNames, Set<String> methodAnnotationNames, boolean isNonBlocking,
+            boolean isNonBlocking,
             String actualDeclaringClassName) {
         this.name = name;
         this.declaringClass = declaringClass;
         this.parameterTypes = parameterTypes;
-        this.classAnnotationNames = classAnnotationNames;
-        this.methodAnnotationNames = methodAnnotationNames;
         this.isNonBlocking = isNonBlocking;
         this.actualDeclaringClassName = actualDeclaringClassName;
     }
@@ -63,14 +50,6 @@ public Class[] getParameterTypes() {
         return parameterTypes;
     }
 
-    public Set<String> getClassAnnotationNames() {
-        return classAnnotationNames;
-    }
-
-    public Set<String> getMethodAnnotationNames() {
-        return methodAnnotationNames;
-    }
-
     public Method getMethod() {
         if (method == null) {
             synchronized (this) {
@@ -89,13 +68,6 @@ public Method getMethod() {
         return method;
     }
 
-    public Annotation[] getClassAnnotations() {
-        if (classAnnotations == null) {
-            classAnnotations = declaringClass.getAnnotations();
-        }
-        return classAnnotations;
-    }
-
     public Annotation[] getAnnotations() {
         if (annotations == null) {
             getMethod();