Java tutorial
/** * Copyright (C) 2015 Zalando SE (http://tech.zalando.com) * * 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 * * http://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.zalando.spring.data.businesskey.config; import static org.springframework.data.jpa.util.BeanDefinitionUtils.getBeanDefinition; import static org.springframework.data.jpa.util.BeanDefinitionUtils.getEntityManagerFactoryBeanNames; import static org.springframework.util.StringUtils.addStringToArray; import org.springframework.beans.BeansException; import org.springframework.beans.factory.NoSuchBeanDefinitionException; import org.springframework.beans.factory.config.BeanDefinition; import org.springframework.beans.factory.config.BeanFactoryPostProcessor; import org.springframework.beans.factory.config.ConfigurableListableBeanFactory; /** * @author jbellmann */ public class BusinessKeyBeanFactoryPostProcessor implements BeanFactoryPostProcessor { public static final String BEAN_CONFIGURER_ASPECT_BEAN_NAME = "org.springframework.context.config.internalBeanConfigurerAspect"; public void postProcessBeanFactory(final ConfigurableListableBeanFactory beanFactory) throws BeansException { try { getBeanDefinition(BEAN_CONFIGURER_ASPECT_BEAN_NAME, beanFactory); } catch (NoSuchBeanDefinitionException o_O) { throw new IllegalStateException( "Invalid auditing setup! Make sure you've used @EnableJpaAuditing or <jpa:auditing /> correctly!", o_O); } for (String beanName : getEntityManagerFactoryBeanNames(beanFactory)) { BeanDefinition definition = getBeanDefinition(beanName, beanFactory); definition.setDependsOn(addStringToArray(definition.getDependsOn(), BEAN_CONFIGURER_ASPECT_BEAN_NAME)); } // for (String beanName : beanNamesForTypeIncludingAncestors(beanFactory, BusinessKeyGenerator.class, true, false)) { // BeanDefinition definition = beanFactory.getBeanDefinition(beanName); // definition.setLazyInit(true); // } } }