Supports CTR section of the dataflow.spring.io

resolves another part of #180

It is associated with PR https://github.com/spring-io/dataflow.spring.io/pull/188

transition-sample/src/main/java/io/spring/taskapp/configuration/TaskAppAnnotations.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2020 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
+ *
+ *          http://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 io.spring.taskapp.configuration;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cloud.task.listener.annotation.AfterTask;
+import org.springframework.cloud.task.repository.TaskExecution;
+
+/**
+ * Establishes the task annotation behavior for this application.
+ *
+ * @author Glenn Renfro
+ */
+public class TaskAppAnnotations {
+
+	@Autowired
+	TaskAppProperties taskAppProperties;
+
+	@AfterTask
+	public void afterMe(TaskExecution taskExecution) {
+		taskExecution.setExitMessage(taskAppProperties.getExitMessage());
+	}
+}