org.springframework.boot.autoconfigure.data.cassandra.CassandraDataAutoConfiguration Maven / Gradle / Ivy
/*
* Copyright 2012-2022 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.cassandra;
import java.util.Collections;
import java.util.List;
import com.datastax.oss.driver.api.core.CqlSession;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.AutoConfigurationPackages;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.cassandra.CassandraAutoConfiguration;
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.EntityScanPackages;
import org.springframework.boot.context.properties.bind.Binder;
import org.springframework.context.annotation.Bean;
import org.springframework.core.env.Environment;
import org.springframework.data.cassandra.CassandraManagedTypes;
import org.springframework.data.cassandra.SessionFactory;
import org.springframework.data.cassandra.config.CassandraEntityClassScanner;
import org.springframework.data.cassandra.config.SchemaAction;
import org.springframework.data.cassandra.config.SessionFactoryFactoryBean;
import org.springframework.data.cassandra.core.CassandraAdminOperations;
import org.springframework.data.cassandra.core.CassandraOperations;
import org.springframework.data.cassandra.core.CassandraTemplate;
import org.springframework.data.cassandra.core.convert.CassandraConverter;
import org.springframework.data.cassandra.core.convert.CassandraCustomConversions;
import org.springframework.data.cassandra.core.convert.MappingCassandraConverter;
import org.springframework.data.cassandra.core.mapping.CassandraMappingContext;
import org.springframework.data.cassandra.core.mapping.SimpleUserTypeResolver;
/**
* {@link EnableAutoConfiguration Auto-configuration} for Spring Data's Cassandra support.
*
* @author Julien Dubois
* @author Eddú Meléndez
* @author Mark Paluch
* @author Madhura Bhave
* @since 1.3.0
*/
@AutoConfiguration(after = CassandraAutoConfiguration.class)
@ConditionalOnClass({ CqlSession.class, CassandraAdminOperations.class })
@ConditionalOnBean(CqlSession.class)
public class CassandraDataAutoConfiguration {
private final CqlSession session;
public CassandraDataAutoConfiguration(CqlSession session) {
this.session = session;
}
@Bean
@ConditionalOnMissingBean
public static CassandraManagedTypes cassandraManagedTypes(BeanFactory beanFactory) throws ClassNotFoundException {
List packages = EntityScanPackages.get(beanFactory).getPackageNames();
if (packages.isEmpty() && AutoConfigurationPackages.has(beanFactory)) {
packages = AutoConfigurationPackages.get(beanFactory);
}
if (!packages.isEmpty()) {
return CassandraManagedTypes.fromIterable(CassandraEntityClassScanner.scan(packages));
}
return CassandraManagedTypes.empty();
}
@Bean
@ConditionalOnMissingBean
public CassandraMappingContext cassandraMappingContext(CassandraManagedTypes cassandraManagedTypes,
CassandraCustomConversions conversions) {
CassandraMappingContext context = new CassandraMappingContext();
context.setManagedTypes(cassandraManagedTypes);
context.setSimpleTypeHolder(conversions.getSimpleTypeHolder());
return context;
}
@Bean
@ConditionalOnMissingBean
public CassandraConverter cassandraConverter(CassandraMappingContext mapping,
CassandraCustomConversions conversions) {
MappingCassandraConverter converter = new MappingCassandraConverter(mapping);
converter.setCodecRegistry(this.session.getContext().getCodecRegistry());
converter.setCustomConversions(conversions);
converter.setUserTypeResolver(new SimpleUserTypeResolver(this.session));
return converter;
}
@Bean
@ConditionalOnMissingBean(SessionFactory.class)
public SessionFactoryFactoryBean cassandraSessionFactory(Environment environment, CassandraConverter converter) {
SessionFactoryFactoryBean session = new SessionFactoryFactoryBean();
session.setSession(this.session);
session.setConverter(converter);
Binder binder = Binder.get(environment);
binder.bind("spring.cassandra.schema-action", SchemaAction.class).ifBound(session::setSchemaAction);
return session;
}
@Bean
@ConditionalOnMissingBean(CassandraOperations.class)
public CassandraTemplate cassandraTemplate(SessionFactory sessionFactory, CassandraConverter converter) {
return new CassandraTemplate(sessionFactory, converter);
}
@Bean
@ConditionalOnMissingBean
public CassandraCustomConversions cassandraCustomConversions() {
return new CassandraCustomConversions(Collections.emptyList());
}
}