Fix datasource configuration in metrics sample

spring-batch-samples/pom.xml

@@ -215,7 +215,6 @@
 			<groupId>org.hsqldb</groupId>
 			<artifactId>hsqldb</artifactId>
 			<version>${hsqldb.version}</version>
-			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>

spring-batch-samples/src/main/java/org/springframework/batch/sample/metrics/BatchMetricsApplication.java

@@ -1,11 +1,31 @@
+/*
+ * Copyright 2022-2023 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.batch.sample.metrics;
 
+import javax.sql.DataSource;
+
 import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Import;
 import org.springframework.context.annotation.PropertySource;
+import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
+import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
+import org.springframework.jdbc.support.JdbcTransactionManager;
 import org.springframework.scheduling.annotation.EnableScheduling;
 import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
 
@@ -28,4 +48,16 @@ public class BatchMetricsApplication {
 		return threadPoolTaskScheduler;
 	}
 
+	@Bean
+	public DataSource dataSource() {
+		return new EmbeddedDatabaseBuilder().setType(EmbeddedDatabaseType.HSQL)
+			.addScript("/org/springframework/batch/core/schema-hsqldb.sql")
+			.build();
+	}
+
+	@Bean
+	public JdbcTransactionManager transactionManager(DataSource dataSource) {
+		return new JdbcTransactionManager(dataSource);
+	}
+
 }