org.springframework.boot.autoconfigure.data.neo4j.Neo4jDataAutoConfiguration Maven / Gradle / Ivy
/*
* Copyright 2012-2021 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.autoconfigure.data.neo4j;
import java.util.Set;
import org.neo4j.driver.Driver;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.AutoConfigureBefore;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
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.domain.EntityScanner;
import org.springframework.boot.autoconfigure.neo4j.Neo4jAutoConfiguration;
import org.springframework.boot.autoconfigure.transaction.TransactionAutoConfiguration;
import org.springframework.boot.autoconfigure.transaction.TransactionManagerCustomizers;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.neo4j.core.DatabaseSelectionProvider;
import org.springframework.data.neo4j.core.Neo4jClient;
import org.springframework.data.neo4j.core.Neo4jOperations;
import org.springframework.data.neo4j.core.Neo4jTemplate;
import org.springframework.data.neo4j.core.convert.Neo4jConversions;
import org.springframework.data.neo4j.core.mapping.Neo4jMappingContext;
import org.springframework.data.neo4j.core.schema.Node;
import org.springframework.data.neo4j.core.schema.RelationshipProperties;
import org.springframework.data.neo4j.core.transaction.Neo4jTransactionManager;
import org.springframework.data.neo4j.repository.config.Neo4jRepositoryConfigurationExtension;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionManager;
/**
* {@link EnableAutoConfiguration Auto-configuration} for Spring Data Neo4j.
*
* @author Michael Hunger
* @author Josh Long
* @author Vince Bickers
* @author Stephane Nicoll
* @author Kazuki Shimizu
* @author Michael J. Simons
* @since 1.4.0
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass({ Driver.class, Neo4jTransactionManager.class, PlatformTransactionManager.class })
@EnableConfigurationProperties(Neo4jDataProperties.class)
@ConditionalOnBean(Driver.class)
@AutoConfigureBefore(TransactionAutoConfiguration.class)
@AutoConfigureAfter(Neo4jAutoConfiguration.class)
public class Neo4jDataAutoConfiguration {
@Bean
@ConditionalOnMissingBean
public Neo4jConversions neo4jConversions() {
return new Neo4jConversions();
}
@Bean
@ConditionalOnMissingBean
public Neo4jMappingContext neo4jMappingContext(ApplicationContext applicationContext,
Neo4jConversions neo4jConversions) throws ClassNotFoundException {
Set> initialEntityClasses = new EntityScanner(applicationContext).scan(Node.class,
RelationshipProperties.class);
Neo4jMappingContext context = new Neo4jMappingContext(neo4jConversions);
context.setInitialEntitySet(initialEntityClasses);
return context;
}
@Bean
@ConditionalOnMissingBean
public DatabaseSelectionProvider databaseSelectionProvider(Neo4jDataProperties properties) {
String database = properties.getDatabase();
return (database != null) ? DatabaseSelectionProvider.createStaticDatabaseSelectionProvider(database)
: DatabaseSelectionProvider.getDefaultSelectionProvider();
}
@Bean(Neo4jRepositoryConfigurationExtension.DEFAULT_NEO4J_CLIENT_BEAN_NAME)
@ConditionalOnMissingBean
public Neo4jClient neo4jClient(Driver driver, DatabaseSelectionProvider databaseNameProvider) {
return Neo4jClient.create(driver, databaseNameProvider);
}
@Bean(Neo4jRepositoryConfigurationExtension.DEFAULT_NEO4J_TEMPLATE_BEAN_NAME)
@ConditionalOnMissingBean(Neo4jOperations.class)
public Neo4jTemplate neo4jTemplate(Neo4jClient neo4jClient, Neo4jMappingContext neo4jMappingContext) {
return new Neo4jTemplate(neo4jClient, neo4jMappingContext);
}
@Bean(Neo4jRepositoryConfigurationExtension.DEFAULT_TRANSACTION_MANAGER_BEAN_NAME)
@ConditionalOnMissingBean(TransactionManager.class)
public Neo4jTransactionManager transactionManager(Driver driver, DatabaseSelectionProvider databaseNameProvider,
ObjectProvider optionalCustomizers) {
Neo4jTransactionManager transactionManager = new Neo4jTransactionManager(driver, databaseNameProvider);
optionalCustomizers.ifAvailable((customizer) -> customizer.customize(transactionManager));
return transactionManager;
}
}