Merge pull request #8881 from vpavic:integration-jdbc

* pr/8881:
  Polish "Add database initializer for Spring Integration"
  Add database initializer for Spring Integration

spring-boot-autoconfigure/pom.xml

@@ -329,6 +329,11 @@
 			<artifactId>spring-integration-core</artifactId>
 			<optional>true</optional>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.integration</groupId>
+			<artifactId>spring-integration-jdbc</artifactId>
+			<optional>true</optional>
+		</dependency>
 		<dependency>
 			<groupId>org.springframework.integration</groupId>
 			<artifactId>spring-integration-jmx</artifactId>

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/integration/IntegrationAutoConfiguration.java

 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2017 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.
@@ -17,6 +17,7 @@
 package org.springframework.boot.autoconfigure.integration;
 
 import javax.management.MBeanServer;
+import javax.sql.DataSource;
 
 import org.springframework.beans.BeansException;
 import org.springframework.beans.factory.BeanFactory;
@@ -25,17 +26,21 @@ import org.springframework.boot.autoconfigure.AutoConfigureAfter;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnSingleCandidate;
 import org.springframework.boot.autoconfigure.condition.SearchStrategy;
 import org.springframework.boot.autoconfigure.jmx.JmxAutoConfiguration;
 import org.springframework.boot.bind.RelaxedPropertyResolver;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.EnvironmentAware;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
 import org.springframework.core.env.Environment;
+import org.springframework.core.io.ResourceLoader;
 import org.springframework.integration.config.EnableIntegration;
 import org.springframework.integration.config.EnableIntegrationManagement;
 import org.springframework.integration.gateway.GatewayProxyFactoryBean;
+import org.springframework.integration.jdbc.store.JdbcMessageStore;
 import org.springframework.integration.jmx.config.EnableIntegrationMBeanExport;
 import org.springframework.integration.monitor.IntegrationMBeanExporter;
 import org.springframework.integration.support.management.IntegrationManagementConfigurer;
@@ -48,10 +53,12 @@ import org.springframework.util.StringUtils;
  * @author Artem Bilan
  * @author Dave Syer
  * @author Stephane Nicoll
+ * @author Vedran Pavic
  * @since 1.1.0
  */
 @Configuration
 @ConditionalOnClass(EnableIntegration.class)
+@EnableConfigurationProperties(IntegrationProperties.class)
 @AutoConfigureAfter(JmxAutoConfiguration.class)
 public class IntegrationAutoConfiguration {
 
@@ -131,4 +138,24 @@ public class IntegrationAutoConfiguration {
 
 	}
 
+	/**
+	 * Integration JDBC configuration.
+	 */
+	@Configuration
+	@ConditionalOnClass(JdbcMessageStore.class)
+	@ConditionalOnSingleCandidate(DataSource.class)
+	protected static class IntegrationJdbcConfiguration {
+
+		@Bean
+		@ConditionalOnMissingBean
+		@ConditionalOnProperty(prefix = "spring.integration.jdbc.initializer", name = "enabled")
+		public IntegrationDatabaseInitializer integrationDatabaseInitializer(
+				DataSource dataSource, ResourceLoader resourceLoader,
+				IntegrationProperties properties) {
+			return new IntegrationDatabaseInitializer(dataSource, resourceLoader,
+					properties);
+		}
+
+	}
+
 }

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/integration/IntegrationDatabaseInitializer.java

+/*
+ * Copyright 2012-2017 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 org.springframework.boot.autoconfigure.integration;
+
+import javax.sql.DataSource;
+
+import org.springframework.boot.autoconfigure.AbstractDatabaseInitializer;
+import org.springframework.core.io.ResourceLoader;
+import org.springframework.util.Assert;
+
+/**
+ * Initializer for Spring Integration schema.
+ *
+ * @author Vedran Pavic
+ * @since 2.0.0
+ */
+public class IntegrationDatabaseInitializer extends AbstractDatabaseInitializer {
+
+	private final IntegrationProperties.Jdbc properties;
+
+	public IntegrationDatabaseInitializer(DataSource dataSource,
+			ResourceLoader resourceLoader, IntegrationProperties properties) {
+		super(dataSource, resourceLoader);
+		Assert.notNull(properties, "IntegrationProperties must not be null");
+		this.properties = properties.getJdbc();
+	}
+
+	@Override
+	protected boolean isEnabled() {
+		return this.properties.getInitializer().isEnabled();
+	}
+
+	@Override
+	protected String getSchemaLocation() {
+		return this.properties.getSchema();
+	}
+
+}

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/integration/IntegrationProperties.java

+/*
+ * Copyright 2012-2017 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 org.springframework.boot.autoconfigure.integration;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+/**
+ * Configuration properties for Spring Integration.
+ *
+ * @author Vedran Pavic
+ * @author Stephane Nicoll
+ * @since 2.0.0
+ */
+@ConfigurationProperties(prefix = "spring.integration")
+public class IntegrationProperties {
+
+	private final Jdbc jdbc = new Jdbc();
+
+	public Jdbc getJdbc() {
+		return this.jdbc;
+	}
+
+	public static class Jdbc {
+
+		private static final String DEFAULT_SCHEMA_LOCATION = "classpath:org/springframework/"
+				+ "integration/jdbc/schema-@@platform@@.sql";
+
+		/**
+		 * Path to the SQL file to use to initialize the database schema.
+		 */
+		private String schema = DEFAULT_SCHEMA_LOCATION;
+
+		private final Initializer initializer = new Initializer();
+
+		public String getSchema() {
+			return this.schema;
+		}
+
+		public void setSchema(String schema) {
+			this.schema = schema;
+		}
+
+		public Initializer getInitializer() {
+			return this.initializer;
+		}
+
+		public class Initializer {
+
+			/**
+			 * Create the required integration tables on startup.
+			 */
+			private boolean enabled = false;
+
+			public boolean isEnabled() {
+				return this.enabled;
+			}
+
+			public void setEnabled(boolean enabled) {
+				this.enabled = enabled;
+			}
+
+		}
+
+	}
+
+}

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/integration/IntegrationAutoConfigurationTests.java

 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2017 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.
@@ -22,10 +22,16 @@ import java.util.List;
 import javax.management.MBeanServer;
 
 import org.junit.After;
+import org.junit.Rule;
 import org.junit.Test;
+import org.junit.rules.ExpectedException;
 
 import org.springframework.boot.autoconfigure.integration.IntegrationAutoConfiguration.IntegrationComponentScanAutoConfiguration;
+import org.springframework.boot.autoconfigure.jdbc.DataSourceTransactionManagerAutoConfiguration;
+import org.springframework.boot.autoconfigure.jdbc.EmbeddedDataSourceConfiguration;
+import org.springframework.boot.autoconfigure.jdbc.JdbcTemplateAutoConfiguration;
 import org.springframework.boot.autoconfigure.jmx.JmxAutoConfiguration;
+import org.springframework.boot.test.util.EnvironmentTestUtils;
 import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.context.annotation.Bean;
@@ -36,6 +42,8 @@ import org.springframework.integration.annotation.MessagingGateway;
 import org.springframework.integration.gateway.RequestReplyExchanger;
 import org.springframework.integration.support.channel.HeaderChannelRegistry;
 import org.springframework.integration.support.management.IntegrationManagementConfigurer;
+import org.springframework.jdbc.BadSqlGrammarException;
+import org.springframework.jdbc.core.JdbcOperations;
 import org.springframework.jmx.export.MBeanExporter;
 import org.springframework.test.context.support.TestPropertySourceUtils;
 
@@ -47,9 +55,13 @@ import static org.mockito.Mockito.mock;
  *
  * @author Artem Bilan
  * @author Stephane Nicoll
+ * @author Vedran Pavic
  */
 public class IntegrationAutoConfigurationTests {
 
+	@Rule
+	public ExpectedException thrown = ExpectedException.none();
+
 	private AnnotationConfigApplicationContext context;
 
 	@After
@@ -126,12 +138,62 @@ public class IntegrationAutoConfigurationTests {
 
 	@Test
 	public void primaryExporterIsAllowed() {
-		load(CustomMBeanExporter.class);
+		load(new Class[] { CustomMBeanExporter.class });
 		assertThat(this.context.getBeansOfType(MBeanExporter.class)).hasSize(2);
 		assertThat(this.context.getBean(MBeanExporter.class))
 				.isSameAs(this.context.getBean("myMBeanExporter"));
 	}
 
+	@Test
+	public void integrationJdbcDatabaseInitializerEnabled() {
+		load(new Class[] { EmbeddedDataSourceConfiguration.class,
+						DataSourceTransactionManagerAutoConfiguration.class,
+						JdbcTemplateAutoConfiguration.class,
+						IntegrationAutoConfiguration.class},
+				"spring.datasource.generate-unique-name=true",
+				"spring.integration.jdbc.initializer.enabled=true");
+		assertThat(this.context.getBean(IntegrationProperties.class).getJdbc()
+				.getInitializer().isEnabled()).isTrue();
+		JdbcOperations jdbcOperations = this.context.getBean(JdbcOperations.class);
+		assertThat(jdbcOperations.queryForList("select * from INT_MESSAGE")).isEmpty();
+		assertThat(jdbcOperations.queryForList("select * from INT_GROUP_TO_MESSAGE"))
+				.isEmpty();
+		assertThat(jdbcOperations.queryForList("select * from INT_MESSAGE_GROUP"))
+				.isEmpty();
+		assertThat(jdbcOperations.queryForList("select * from INT_LOCK")).isEmpty();
+		assertThat(jdbcOperations.queryForList("select * from INT_CHANNEL_MESSAGE"))
+				.isEmpty();
+	}
+
+	@Test
+	public void integrationJdbcDatabaseInitializerDisabled() {
+		load(new Class[] { EmbeddedDataSourceConfiguration.class,
+						DataSourceTransactionManagerAutoConfiguration.class,
+						JdbcTemplateAutoConfiguration.class,
+						IntegrationAutoConfiguration.class },
+				"spring.datasource.generate-unique-name=true",
+				"spring.integration.jdbc.initializer.enabled=false");
+		assertThat(this.context.getBean(IntegrationProperties.class).getJdbc()
+				.getInitializer().isEnabled()).isFalse();
+		JdbcOperations jdbcOperations = this.context.getBean(JdbcOperations.class);
+		this.thrown.expect(BadSqlGrammarException.class);
+		jdbcOperations.queryForList("select * from INT_MESSAGE");
+	}
+
+	@Test
+	public void integrationJdbcDatabaseInitializerDisabledByDefault() {
+		load(new Class[] { EmbeddedDataSourceConfiguration.class,
+						DataSourceTransactionManagerAutoConfiguration.class,
+						JdbcTemplateAutoConfiguration.class,
+						IntegrationAutoConfiguration.class },
+				"spring.datasource.generate-unique-name=true");
+		assertThat(this.context.getBean(IntegrationProperties.class).getJdbc()
+				.getInitializer().isEnabled()).isFalse();
+		JdbcOperations jdbcOperations = this.context.getBean(JdbcOperations.class);
+		this.thrown.expect(BadSqlGrammarException.class);
+		jdbcOperations.queryForList("select * from INT_MESSAGE");
+	}
+
 	private static void assertDomains(MBeanServer mBeanServer, boolean expected,
 			String... domains) {
 		List<String> actual = Arrays.asList(mBeanServer.getDomains());
@@ -144,12 +206,12 @@ public class IntegrationAutoConfigurationTests {
 		load(null, environment);
 	}
 
-	private void load(Class<?> config, String... environment) {
+	private void load(Class<?>[] configs, String... environment) {
 		AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
-		if (config != null) {
-			ctx.register(config);
+		EnvironmentTestUtils.addEnvironment(ctx, environment);
+		if (configs != null) {
+			ctx.register(configs);
 		}
-		TestPropertySourceUtils.addInlinedPropertiesToEnvironment(ctx, environment);
 		ctx.register(JmxAutoConfiguration.class, IntegrationAutoConfiguration.class);
 		ctx.refresh();
 		this.context = ctx;

spring-boot-docs/src/main/asciidoc/appendix-application-properties.adoc

@@ -890,6 +890,10 @@ content into your application; rather pick only the properties that you need.
 	spring.batch.schema=classpath:org/springframework/batch/core/schema-@@platform@@.sql # Path to the SQL file to use to initialize the database schema.
 	spring.batch.table-prefix= # Table prefix for all the batch meta-data tables.
 
+	# SPRING INTEGRATION ({sc-spring-boot-autoconfigure}/integration/IntegrationProperties.{sc-ext}[IntegrationProperties])
+	spring.integration.jdbc.initializer.enabled=false # Create the required integration tables on startup.
+	spring.integration.jdbc.schema=classpath:org/springframework/integration/jdbc/schema-@@platform@@.sql # Path to the SQL file to use to initialize the database schema.
+
 	# JMS ({sc-spring-boot-autoconfigure}/jms/JmsProperties.{sc-ext}[JmsProperties])
 	spring.jms.jndi-name= # Connection factory JNDI name. When set, takes precedence to others connection factory auto-configurations.
 	spring.jms.listener.acknowledge-mode= # Acknowledge mode of the container. By default, the listener is transacted with automatic acknowledgment.

spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc

@@ -5113,10 +5113,23 @@ Spring Boot offers several conveniences for working with Spring Integration, inc
 the `spring-boot-starter-integration` '`Starter`'. Spring Integration provides
 abstractions over messaging and also other transports such as HTTP, TCP etc. If Spring
 Integration is available on your classpath it will be initialized through the
-`@EnableIntegration` annotation. Message processing statistics will be published over JMX
-if `'spring-integration-jmx'` is also on the classpath. See the
+`@EnableIntegration` annotation.
+
+Spring Boot will also configure some features that are triggered by the presence of
+additional Spring Integration modules. Message processing statistics will be published
+over JMX if `'spring-integration-jmx'` is also on the classpath. If
+`'spring-integration-jdbc'` is available, the default database schema can be created
+on startup:
+
+[source,properties,indent=0]
+----
+	spring.integration.jdbc.initializer.enabled=true
+----
+
+See the
 {sc-spring-boot-autoconfigure}/integration/IntegrationAutoConfiguration.{sc-ext}[`IntegrationAutoConfiguration`]
-class for more details.
+and {sc-spring-boot-autoconfigure}/integration/IntegrationProperties.{sc-ext}[`IntegrationProperties`]
+classes for more details.