Add database initializer for Spring Integration

See gh-8881

Author: vpavic

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

@@ -1,5 +1,5 @@
 /*
- * 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.
@@ -17,25 +17,35 @@
 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;
 import org.springframework.beans.factory.BeanFactoryAware;
 import org.springframework.boot.autoconfigure.AutoConfigureAfter;
+import org.springframework.boot.autoconfigure.condition.AnyNestedCondition;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
 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.Conditional;
 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.lock.DefaultLockRepository;
+import org.springframework.integration.jdbc.store.JdbcChannelMessageStore;
+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 +58,12 @@
  * @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 +143,47 @@ protected static class IntegrationComponentScanAutoConfiguration {
 
 	}
 
+	/**
+	 * Integration JDBC configuration.
+	 */
+	@Configuration
+	@ConditionalOnClass(JdbcMessageStore.class)
+	@ConditionalOnSingleCandidate(DataSource.class)
+	protected static class IntegrationJdbcConfiguration {
+
+		@Bean
+		@ConditionalOnMissingBean
+		@Conditional(IntegrationSchemaCondition.class)
+		public IntegrationDatabaseInitializer integrationDatabaseInitializer(
+			DataSource dataSource, ResourceLoader resourceLoader,
+			IntegrationProperties properties) {
+			return new IntegrationDatabaseInitializer(dataSource, resourceLoader,
+				properties);
+		}
+
+	}
+
+	static class IntegrationSchemaCondition extends AnyNestedCondition {
+
+		IntegrationSchemaCondition() {
+			super(ConfigurationPhase.REGISTER_BEAN);
+		}
+
+		@ConditionalOnBean(JdbcMessageStore.class)
+		static class JdbcMessageStoreUsed {
+
+		}
+
+		@ConditionalOnBean(JdbcChannelMessageStore.class)
+		static class JdbcChannelMessageStoreUsed {
+
+		}
+
+		@ConditionalOnBean(DefaultLockRepository.class)
+		static class DefaultLockRepositoryUsed {
+
+		}
+
+	}
+
 }

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

@@ -0,0 +1,52 @@
+/*
+ * 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

@@ -0,0 +1,79 @@
+/*
+ * 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
+ * @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 if necessary.
+			 */
+			private boolean enabled = true;
+
+			public boolean isEnabled() {
+				return this.enabled;
+			}
+
+			public void setEnabled(boolean enabled) {
+				this.enabled = enabled;
+			}
+
+		}
+
+	}
+
+}