Task identifies if JPA is in use and uses JPTransactionManager

resolves #309

spring-cloud-task-samples/jpa-sample/src/main/java/io/spring/JpaApplication.java

@@ -0,0 +1,31 @@
+/*
+ *  Copyright 2017 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;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.task.configuration.EnableTask;
+
+@SpringBootApplication
+@EnableTask
+public class JpaApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(JpaApplication.class, args);
+	}
+
+}

spring-cloud-task-samples/jpa-sample/src/main/java/io/spring/configuration/TaskRunComponent.java

@@ -0,0 +1,50 @@
+/*
+ *  Copyright 2017 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.configuration;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cloud.task.listener.annotation.BeforeTask;
+import org.springframework.cloud.task.repository.TaskExecution;
+import org.springframework.stereotype.Component;
+
+/**
+ * Records an entry in the TASK_RUN_OUTPUT table on the BeforeTask event.
+ * 
+ * @author Glenn Renfro
+ * @author Pas Apicella
+ */
+@Component
+public class TaskRunComponent {
+
+	private static final Log logger = LogFactory.getLog(TaskRunComponent.class);
+
+	@Autowired
+	private TaskRunRepository taskRunRepository;
+
+	@BeforeTask
+	public void init(TaskExecution taskExecution) {
+		String execDate = new SimpleDateFormat().format(new Date());
+		taskRunRepository.save(new TaskRunOutput("Executed at " + execDate));
+		logger.info("Executed at : " + execDate);
+	}
+}

spring-cloud-task-samples/jpa-sample/src/main/java/io/spring/configuration/TaskRunOutput.java

@@ -0,0 +1,67 @@
+/*
+ *  Copyright 2017 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.configuration;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+/**
+ * Entity for the id and output to be written to the data store.
+ * 
+ * @author Pas Apicella
+ * @author Glenn Renfro
+ */
+@Entity
+@Table(name = "TASK_RUN_OUTPUT")
+public class TaskRunOutput {
+	@Id
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private Long id;
+
+	private String output;
+
+	public TaskRunOutput() {
+	}
+
+	public TaskRunOutput(String output) {
+		this.output = output;
+	}
+
+	public Long getId() {
+		return id;
+	}
+
+	public void setId(Long id) {
+		this.id = id;
+	}
+
+	public String getOutput() {
+		return output;
+	}
+
+	public void setOutput(String output) {
+		this.output = output;
+	}
+
+	@Override
+	public String toString() {
+		return "TaskRunOutput{" + "id=" + id + ", output='" + output + '\'' + '}';
+	}
+}

spring-cloud-task-samples/jpa-sample/src/main/java/io/spring/configuration/TaskRunRepository.java

@@ -0,0 +1,26 @@
+/*
+ *  Copyright 2017 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.configuration;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+/**
+ * @author Pas Apicella
+ * @author Glenn Renfro
+ */
+public interface TaskRunRepository extends JpaRepository<TaskRunOutput, Long> {
+}