org.springframework.data.cassandra.core.cql.session.lookup.BeanFactorySessionFactoryLookup Maven / Gradle / Ivy
Show all versions of spring-data-cassandra Show documentation
/*
* Copyright 2017-2022 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.data.cassandra.core.cql.session.lookup;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.data.cassandra.SessionFactory;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
* {@link SessionFactoryLookup} implementation based on a Spring {@link BeanFactory}.
*
* Will lookup Spring managed beans identified by bean name, expecting them to be of type {@link SessionFactory}.
*
* @author Mark Paluch
* @since 2.0
* @see org.springframework.beans.factory.BeanFactory
*/
public class BeanFactorySessionFactoryLookup implements SessionFactoryLookup, BeanFactoryAware {
private @Nullable BeanFactory beanFactory;
/**
* Create a new instance of {@link BeanFactorySessionFactoryLookup}.
*
* The BeanFactory to access must be set via {@link #setBeanFactory(BeanFactory)}.
*
* @see #setBeanFactory(BeanFactory)
*/
public BeanFactorySessionFactoryLookup() {}
/**
* Create a new instance of {@link BeanFactorySessionFactoryLookup} given {@link BeanFactory}.
*
* Use of this constructor is redundant if this object is being created by a Spring IoC container, as the supplied
* {@link BeanFactory} will be replaced by the {@link BeanFactory} that creates it ({@link BeanFactoryAware}
* contract). So only use this constructor if you are using this class outside the context of a Spring IoC container.
*
* @param beanFactory the bean factory to be used to lookup {@link SessionFactory session factories}, must not be
* {@literal null}.
*/
public BeanFactorySessionFactoryLookup(BeanFactory beanFactory) {
Assert.notNull(beanFactory, "BeanFactory must not be null");
this.beanFactory = beanFactory;
}
@Override
public void setBeanFactory(BeanFactory beanFactory) {
this.beanFactory = beanFactory;
}
@Override
public SessionFactory getSessionFactory(String sessionFactoryName) throws SessionFactoryLookupFailureException {
Assert.notNull(this.beanFactory, "BeanFactory must not be null");
try {
return this.beanFactory.getBean(sessionFactoryName, SessionFactory.class);
} catch (BeansException ex) {
throw new SessionFactoryLookupFailureException(
String.format("Failed to look up SessionFactory bean with name [%s]", sessionFactoryName), ex);
}
}
}