Add scheduling sample

framework/scheduled/README.adoc

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+Tests if `@Scheduled` is working

framework/scheduled/build.gradle

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+plugins {
+	id "java"
+	id "org.springframework.boot"
+	id "org.springframework.cr.smoke-test"
+}
+
+dependencies {
+	implementation(platform(org.springframework.boot.gradle.plugin.SpringBootPlugin.BOM_COORDINATES))
+	implementation("org.springframework.boot:spring-boot-starter")
+	implementation("org.crac:crac:$cracVersion")
+	implementation(project(":cr-listener"))
+
+	testImplementation("org.springframework.boot:spring-boot-starter-test")
+
+	appTestImplementation(project(":cr-smoke-test-support"))
+	appTestImplementation("org.awaitility:awaitility:4.2.0")
+}

framework/scheduled/src/appTest/java/com/example/scheduled/ScheduledApplicationAotTests.java

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+package com.example.scheduled;
+
+import java.time.Duration;
+
+import org.awaitility.Awaitility;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.cr.smoketest.support.assertj.AssertableOutput;
+import org.springframework.cr.smoketest.support.junit.ApplicationTest;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@ApplicationTest
+class ScheduledApplicationAotTests {
+
+	@Test
+	void fixedRateShouldBeCalled(AssertableOutput output) {
+		Awaitility.await()
+			.atMost(Duration.ofSeconds(10))
+			.untilAsserted(() -> assertThat(output).hasLineContaining("fixedRate()"));
+	}
+
+	@Test
+	void fixedDelayShouldBeCalled(AssertableOutput output) {
+		Awaitility.await()
+			.atMost(Duration.ofSeconds(10))
+			.untilAsserted(() -> assertThat(output).hasLineContaining("fixedDelay()"));
+	}
+
+	@Test
+	void cronShouldBeCalled(AssertableOutput output) {
+		Awaitility.await()
+			.atMost(Duration.ofSeconds(10))
+			.untilAsserted(() -> assertThat(output).hasLineContaining("cron()"));
+	}
+
+}

framework/scheduled/src/main/java/com/example/scheduled/Bean.java

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+package com.example.scheduled;
+
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+@Component
+class Bean {
+
+	@Scheduled(fixedRate = 1000)
+	void fixedRate() {
+		System.out.println("fixedRate()");
+	}
+
+	@Scheduled(fixedDelay = 1000)
+	void fixedDelay() {
+		System.out.println("fixedDelay()");
+	}
+
+	@Scheduled(cron = "*/2 * * * * *")
+	void cron() {
+		System.out.println("cron()");
+	}
+
+}

framework/scheduled/src/main/java/com/example/scheduled/ScheduledApplication.java

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+package com.example.scheduled;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.scheduling.annotation.EnableScheduling;
+
+@SpringBootApplication
+@EnableScheduling
+public class ScheduledApplication {
+
+	public static void main(String[] args) throws InterruptedException {
+		SpringApplication.run(ScheduledApplication.class, args);
+		Thread.currentThread().join();
+	}
+
+}