Introduction of hints for Spring Task

Updated to support timestamp demonstration of native task.

Remove experimental when appropriate for the hints and remove this `spring.aop.proxy-target-class=false` from
application.properties for timestamp demo

Updated versions to the latest boot snapshot.

spring-cloud-task-core/src/main/java/org/springframework/cloud/task/configuration/TaskRuntimeHints.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright 2022-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.task.configuration;
+
+import java.sql.Statement;
+
+import org.springframework.aop.SpringProxy;
+import org.springframework.aop.framework.Advised;
+import org.springframework.aot.hint.MemberCategory;
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.RuntimeHintsRegistrar;
+import org.springframework.aot.hint.TypeReference;
+import org.springframework.cloud.task.repository.TaskExplorer;
+import org.springframework.cloud.task.repository.TaskRepository;
+import org.springframework.core.DecoratingProxy;
+import org.springframework.util.ClassUtils;
+
+/**
+ * Native Hints for Spring Cloud Task.
+ *
+ * @author Glenn Renfro
+ * @since 3.0
+ */
+public class TaskRuntimeHints implements RuntimeHintsRegistrar {
+
+	@Override
+	public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
+		hints.reflection().registerType(TypeReference.of("java.sql.DatabaseMetaData"), hint -> {
+		});
+		hints.resources().registerPattern("org/springframework/cloud/task/schema-h2.sql");
+		hints.resources().registerPattern("org/springframework/cloud/task/schema-mysql.sql");
+		hints.resources().registerPattern("org/springframework/cloud/task/schema-oracle.sql");
+		hints.resources().registerPattern("org/springframework/cloud/task/schema-postgresql.sql");
+		hints.resources().registerPattern("org/springframework/cloud/task/schema-hsqldb.sql");
+		hints.resources().registerPattern("org/springframework/cloud/task/schema-sqlserver.sql");
+
+		hints.reflection().registerType(
+				TypeReference.of("org.springframework.boot.jdbc.init.DataSourceScriptDatabaseInitializer"),
+				hint -> hint.withMembers(MemberCategory.INVOKE_DECLARED_CONSTRUCTORS,
+						MemberCategory.INVOKE_DECLARED_METHODS));
+		hints.proxies().registerJdkProxy(builder -> builder.proxiedInterfaces(TaskRepository.class)
+				.proxiedInterfaces(SpringProxy.class, Advised.class, DecoratingProxy.class));
+		hints.proxies().registerJdkProxy(builder -> builder.proxiedInterfaces(TaskExplorer.class)
+				.proxiedInterfaces(SpringProxy.class, Advised.class, DecoratingProxy.class));
+
+		// Experimental - These can be removed in the future possibly.
+		if (!ClassUtils.isPresent("com.zaxxer.hikari.HikariDataSource", classLoader)) {
+			return;
+		}
+		hints.reflection().registerType(Statement[].class, hint -> {
+		});
+		hints.reflection().registerType(TypeReference.of("com.zaxxer.hikari.util.ConcurrentBag$IConcurrentBagEntry[]"),
+				hint -> {
+				});
+	}
+
+}

spring-cloud-task-core/src/main/java/org/springframework/cloud/task/listener/annotation/AfterTask.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2019 the original author or authors.
+ * Copyright 2016-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,6 +22,7 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.springframework.aot.hint.annotation.Reflective;
 import org.springframework.cloud.task.listener.TaskExecutionListener;
 import org.springframework.cloud.task.repository.TaskExecution;
 
@@ -43,6 +44,7 @@ import org.springframework.cloud.task.repository.TaskExecution;
 @Target({ ElementType.METHOD, ElementType.ANNOTATION_TYPE })
 @Retention(RetentionPolicy.RUNTIME)
 @Documented
+@Reflective
 public @interface AfterTask {
 
 }

spring-cloud-task-core/src/main/java/org/springframework/cloud/task/listener/annotation/BeforeTask.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2019 the original author or authors.
+ * Copyright 2016-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,6 +22,7 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.springframework.aot.hint.annotation.Reflective;
 import org.springframework.cloud.task.listener.TaskExecutionListener;
 import org.springframework.cloud.task.repository.TaskExecution;
 
@@ -43,6 +44,7 @@ import org.springframework.cloud.task.repository.TaskExecution;
 @Target({ ElementType.METHOD, ElementType.ANNOTATION_TYPE })
 @Retention(RetentionPolicy.RUNTIME)
 @Documented
+@Reflective
 public @interface BeforeTask {
 
 }

spring-cloud-task-core/src/main/java/org/springframework/cloud/task/listener/annotation/FailedTask.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2019 the original author or authors.
+ * Copyright 2016-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,6 +22,7 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.springframework.aot.hint.annotation.Reflective;
 import org.springframework.cloud.task.listener.TaskExecutionListener;
 import org.springframework.cloud.task.repository.TaskExecution;
 
@@ -43,6 +44,7 @@ import org.springframework.cloud.task.repository.TaskExecution;
 @Target({ ElementType.METHOD, ElementType.ANNOTATION_TYPE })
 @Retention(RetentionPolicy.RUNTIME)
 @Documented
+@Reflective
 public @interface FailedTask {
 
 }

spring-cloud-task-core/src/main/resources/META-INF/spring/aot.factories

@@ -0,0 +1,2 @@
+org.springframework.aot.hint.RuntimeHintsRegistrar=\
+org.springframework.cloud.task.configuration.TaskRuntimeHints