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Cassandra support for Spring Data
/*
* Copyright 2016-2024 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.data.cassandra.config;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.data.cassandra.ReactiveSession;
import org.springframework.data.cassandra.ReactiveSessionFactory;
import org.springframework.data.cassandra.core.CassandraAdminTemplate;
import org.springframework.data.cassandra.core.ReactiveCassandraTemplate;
import org.springframework.data.cassandra.core.convert.CassandraConverter;
import org.springframework.data.cassandra.core.cql.ReactiveCqlOperations;
import org.springframework.data.cassandra.core.cql.ReactiveCqlTemplate;
import org.springframework.data.cassandra.core.cql.session.DefaultBridgedReactiveSession;
import org.springframework.data.cassandra.core.cql.session.DefaultReactiveSessionFactory;
import org.springframework.lang.Nullable;
/**
* Extension to {@link AbstractCassandraConfiguration} providing Spring Data Cassandra configuration for Spring Data's
* Reactive Cassandra support using JavaConfig.
*
* @author Mark Paluch
* @since 2.0
*/
public abstract class AbstractReactiveCassandraConfiguration extends AbstractCassandraConfiguration {
private @Nullable BeanFactory beanFactory;
/**
* Creates a {@link ReactiveSession} object. This wraps a {@link com.datastax.oss.driver.api.core.CqlSession} to
* expose Cassandra access in a reactive style.
*
* @return the {@link ReactiveSession}.
* @see #cassandraSession()
* @see DefaultBridgedReactiveSession
*/
@Bean
public ReactiveSession reactiveCassandraSession() {
return new DefaultBridgedReactiveSession(getRequiredSession());
}
/**
* Creates a {@link ReactiveSessionFactory} to be used by the {@link ReactiveCassandraTemplate}. Uses the
* {@link ReactiveSession} instance configured in {@link #reactiveCassandraSession()}.
*
* @return the {@link ReactiveSessionFactory}.
* @see #reactiveCassandraSession()
* @see #reactiveCassandraTemplate()
*/
@Bean
public ReactiveSessionFactory reactiveCassandraSessionFactory() {
return new DefaultReactiveSessionFactory(beanFactory.getBean(ReactiveSession.class));
}
/**
* Creates a {@link CassandraAdminTemplate}.
*
* @return the {@link ReactiveCassandraTemplate}.
* @see #reactiveCassandraSessionFactory()
* @see #cassandraConverter()
*/
@Bean
public ReactiveCassandraTemplate reactiveCassandraTemplate() {
return new ReactiveCassandraTemplate(beanFactory.getBean(ReactiveSessionFactory.class),
beanFactory.getBean(CassandraConverter.class));
}
/**
* Creates a {@link ReactiveCqlTemplate} using the configured {@link ReactiveSessionFactory}.
*
* @return the {@link ReactiveCqlOperations}.
* @see #reactiveCassandraSessionFactory()
*/
@Bean
public ReactiveCqlTemplate reactiveCqlTemplate() {
return new ReactiveCqlTemplate(beanFactory.getBean(ReactiveSessionFactory.class));
}
@Override
public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
this.beanFactory = beanFactory;
super.setBeanFactory(beanFactory);
}
}