Introducing Batch User Guide Samples

dataflow-website/batch-developer-guides/batch/batchsamples/billsetuptask/src/main/java/io/spring/billsetuptask/BillsetuptaskApplication.java

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+package io.spring.billsetuptask;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class BillsetuptaskApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(BillsetuptaskApplication.class, args);
+	}
+
+}

dataflow-website/batch-developer-guides/batch/batchsamples/billsetuptask/src/main/java/io/spring/billsetuptask/configuration/TaskConfiguration.java

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+/*
+ * 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.billsetuptask.configuration;
+
+import javax.sql.DataSource;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.cloud.task.configuration.EnableTask;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.jdbc.core.JdbcTemplate;
+
+@Configuration
+@EnableTask
+public class TaskConfiguration {
+
+	@Autowired
+	private DataSource dataSource;
+
+	@Bean
+	public CommandLineRunner commandLineRunner() {
+		return args -> {
+			JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);
+			jdbcTemplate.execute("CREATE TABLE IF NOT EXISTS BILL_STATEMENTS ( id int, " +
+					"first_name varchar(50), last_name varchar(50), minutes int, " +
+					"data_usage int, bill_amount double)");
+		};
+	}
+}

dataflow-website/batch-developer-guides/batch/batchsamples/billsetuptask/src/main/resources/application.properties

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+logging.level.org.springframework.cloud.task=debug
+spring.application.name=Bill Setup Task

dataflow-website/batch-developer-guides/batch/batchsamples/billsetuptask/src/test/java/io/spring/billsetuptask/BillsetuptaskApplicationTests.java

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+/*
+ * Copyright 2019 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 io.spring.billsetuptask;
+
+import javax.sql.DataSource;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class BillsetuptaskApplicationTests {
+
+	@Autowired
+	private DataSource dataSource;
+
+	@Test
+	public void testRepository() {
+		JdbcTemplate jdbcTemplate = new JdbcTemplate(this.dataSource);
+		int result = jdbcTemplate.queryForObject(
+		"SELECT COUNT(*) FROM BILL_STATEMENTS", Integer.class);
+
+		assertThat(result).isEqualTo(0);
+	}
+}