org.springframework.boot.devtools.autoconfigure.DevToolsDataSourceAutoConfiguration Maven / Gradle / Ivy
/*
* Copyright 2012-2018 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.devtools.autoconfigure;
import java.sql.Connection;
import java.sql.Statement;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import javax.sql.DataSource;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.annotation.AnnotatedBeanDefinition;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionMessage;
import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
import org.springframework.boot.autoconfigure.data.jpa.EntityManagerFactoryDependsOnPostProcessor;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
import org.springframework.boot.devtools.autoconfigure.DevToolsDataSourceAutoConfiguration.DevToolsDataSourceCondition;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.ConfigurationCondition;
import org.springframework.core.type.AnnotatedTypeMetadata;
import org.springframework.orm.jpa.AbstractEntityManagerFactoryBean;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
/**
* {@link EnableAutoConfiguration Auto-configuration} for DevTools-specific
* {@link DataSource} configuration.
*
* @author Andy Wilkinson
* @since 1.3.3
*/
@AutoConfigureAfter(DataSourceAutoConfiguration.class)
@Conditional(DevToolsDataSourceCondition.class)
@Configuration
public class DevToolsDataSourceAutoConfiguration {
@Bean
NonEmbeddedInMemoryDatabaseShutdownExecutor inMemoryDatabaseShutdownExecutor(
DataSource dataSource, DataSourceProperties dataSourceProperties) {
return new NonEmbeddedInMemoryDatabaseShutdownExecutor(dataSource,
dataSourceProperties);
}
/**
* Additional configuration to ensure that
* {@link javax.persistence.EntityManagerFactory} beans depend on the
* {@code inMemoryDatabaseShutdownExecutor} bean.
*/
@Configuration
@ConditionalOnClass(LocalContainerEntityManagerFactoryBean.class)
@ConditionalOnBean(AbstractEntityManagerFactoryBean.class)
static class DatabaseShutdownExecutorJpaDependencyConfiguration
extends EntityManagerFactoryDependsOnPostProcessor {
DatabaseShutdownExecutorJpaDependencyConfiguration() {
super("inMemoryDatabaseShutdownExecutor");
}
}
static final class NonEmbeddedInMemoryDatabaseShutdownExecutor
implements DisposableBean {
private final DataSource dataSource;
private final DataSourceProperties dataSourceProperties;
NonEmbeddedInMemoryDatabaseShutdownExecutor(DataSource dataSource,
DataSourceProperties dataSourceProperties) {
this.dataSource = dataSource;
this.dataSourceProperties = dataSourceProperties;
}
@Override
public void destroy() throws Exception {
if (dataSourceRequiresShutdown()) {
try (Connection connection = this.dataSource.getConnection()) {
try (Statement statement = connection.createStatement()) {
statement.execute("SHUTDOWN");
}
}
}
}
private boolean dataSourceRequiresShutdown() {
for (InMemoryDatabase inMemoryDatabase : InMemoryDatabase.values()) {
if (inMemoryDatabase.matches(this.dataSourceProperties)) {
return true;
}
}
return false;
}
private enum InMemoryDatabase {
DERBY(null, "org.apache.derby.jdbc.EmbeddedDriver"),
H2("jdbc:h2:mem:", "org.h2.Driver", "org.h2.jdbcx.JdbcDataSource"),
HSQLDB("jdbc:hsqldb:mem:", "org.hsqldb.jdbcDriver",
"org.hsqldb.jdbc.JDBCDriver",
"org.hsqldb.jdbc.pool.JDBCXADataSource");
private final String urlPrefix;
private final Set driverClassNames;
InMemoryDatabase(String urlPrefix, String... driverClassNames) {
this.urlPrefix = urlPrefix;
this.driverClassNames = new HashSet<>(Arrays.asList(driverClassNames));
}
boolean matches(DataSourceProperties properties) {
String url = properties.getUrl();
return (url == null || this.urlPrefix == null
|| url.startsWith(this.urlPrefix))
&& this.driverClassNames
.contains(properties.determineDriverClassName());
}
}
}
static class DevToolsDataSourceCondition extends SpringBootCondition
implements ConfigurationCondition {
@Override
public ConfigurationPhase getConfigurationPhase() {
return ConfigurationPhase.REGISTER_BEAN;
}
@Override
public ConditionOutcome getMatchOutcome(ConditionContext context,
AnnotatedTypeMetadata metadata) {
ConditionMessage.Builder message = ConditionMessage
.forCondition("DevTools DataSource Condition");
String[] dataSourceBeanNames = context.getBeanFactory()
.getBeanNamesForType(DataSource.class);
if (dataSourceBeanNames.length != 1) {
return ConditionOutcome
.noMatch(message.didNotFind("a single DataSource bean").atAll());
}
if (context.getBeanFactory()
.getBeanNamesForType(DataSourceProperties.class).length != 1) {
return ConditionOutcome.noMatch(
message.didNotFind("a single DataSourceProperties bean").atAll());
}
BeanDefinition dataSourceDefinition = context.getRegistry()
.getBeanDefinition(dataSourceBeanNames[0]);
if (dataSourceDefinition instanceof AnnotatedBeanDefinition
&& ((AnnotatedBeanDefinition) dataSourceDefinition)
.getFactoryMethodMetadata() != null
&& ((AnnotatedBeanDefinition) dataSourceDefinition)
.getFactoryMethodMetadata().getDeclaringClassName()
.startsWith(DataSourceAutoConfiguration.class.getPackage()
.getName() + ".DataSourceConfiguration$")) {
return ConditionOutcome
.match(message.foundExactly("auto-configured DataSource"));
}
return ConditionOutcome
.noMatch(message.didNotFind("an auto-configured DataSource").atAll());
}
}
}