org.springframework.boot.devtools.autoconfigure.DevToolsR2dbcAutoConfiguration Maven / Gradle / Ivy
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/*
* Copyright 2012-2023 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.boot.devtools.autoconfigure;
import io.r2dbc.spi.Connection;
import io.r2dbc.spi.ConnectionFactory;
import org.reactivestreams.Publisher;
import reactor.core.publisher.Mono;
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.AutoConfiguration;
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.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
import org.springframework.boot.autoconfigure.r2dbc.R2dbcAutoConfiguration;
import org.springframework.boot.devtools.autoconfigure.DevToolsR2dbcAutoConfiguration.DevToolsConnectionFactoryCondition;
import org.springframework.boot.r2dbc.EmbeddedDatabaseConnection;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.ConfigurationCondition;
import org.springframework.core.type.AnnotatedTypeMetadata;
import org.springframework.core.type.MethodMetadata;
/**
* {@link EnableAutoConfiguration Auto-configuration} for DevTools-specific R2DBC
* configuration.
*
* @author Phillip Webb
* @since 2.5.6
*/
@ConditionalOnClass(ConnectionFactory.class)
@Conditional({ OnEnabledDevToolsCondition.class, DevToolsConnectionFactoryCondition.class })
@AutoConfiguration(after = R2dbcAutoConfiguration.class)
public class DevToolsR2dbcAutoConfiguration {
@Bean
InMemoryR2dbcDatabaseShutdownExecutor inMemoryR2dbcDatabaseShutdownExecutor(
ApplicationEventPublisher eventPublisher, ConnectionFactory connectionFactory) {
return new InMemoryR2dbcDatabaseShutdownExecutor(eventPublisher, connectionFactory);
}
final class InMemoryR2dbcDatabaseShutdownExecutor implements DisposableBean {
private final ApplicationEventPublisher eventPublisher;
private final ConnectionFactory connectionFactory;
InMemoryR2dbcDatabaseShutdownExecutor(ApplicationEventPublisher eventPublisher,
ConnectionFactory connectionFactory) {
this.eventPublisher = eventPublisher;
this.connectionFactory = connectionFactory;
}
@Override
public void destroy() throws Exception {
if (shouldShutdown()) {
Mono.usingWhen(this.connectionFactory.create(), this::executeShutdown, this::closeConnection,
this::closeConnection, this::closeConnection)
.block();
this.eventPublisher.publishEvent(new R2dbcDatabaseShutdownEvent(this.connectionFactory));
}
}
private boolean shouldShutdown() {
try {
return EmbeddedDatabaseConnection.isEmbedded(this.connectionFactory);
}
catch (Exception ex) {
return false;
}
}
private Mono executeShutdown(Connection connection) {
return Mono.from(connection.createStatement("SHUTDOWN").execute());
}
private Publisher closeConnection(Connection connection) {
return closeConnection(connection, null);
}
private Publisher closeConnection(Connection connection, Throwable ex) {
return connection.close();
}
}
static class DevToolsConnectionFactoryCondition 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 ConnectionFactory Condition");
String[] beanNames = context.getBeanFactory().getBeanNamesForType(ConnectionFactory.class, true, false);
if (beanNames.length != 1) {
return ConditionOutcome.noMatch(message.didNotFind("a single ConnectionFactory bean").atAll());
}
BeanDefinition beanDefinition = context.getRegistry().getBeanDefinition(beanNames[0]);
if (beanDefinition instanceof AnnotatedBeanDefinition annotatedBeanDefinition
&& isAutoConfigured(annotatedBeanDefinition)) {
return ConditionOutcome.match(message.foundExactly("auto-configured ConnectionFactory"));
}
return ConditionOutcome.noMatch(message.didNotFind("an auto-configured ConnectionFactory").atAll());
}
private boolean isAutoConfigured(AnnotatedBeanDefinition beanDefinition) {
MethodMetadata methodMetadata = beanDefinition.getFactoryMethodMetadata();
return methodMetadata != null && methodMetadata.getDeclaringClassName()
.startsWith(R2dbcAutoConfiguration.class.getPackage().getName());
}
}
static class R2dbcDatabaseShutdownEvent {
private final ConnectionFactory connectionFactory;
R2dbcDatabaseShutdownEvent(ConnectionFactory connectionFactory) {
this.connectionFactory = connectionFactory;
}
ConnectionFactory getConnectionFactory() {
return this.connectionFactory;
}
}
}