org.springframework.boot.jta.atomikos.AtomikosDependsOnBeanFactoryPostProcessor Maven / Gradle / Ivy
/*
* Copyright 2012-2018 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.jta.atomikos;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import com.atomikos.icatch.jta.UserTransactionManager;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.core.Ordered;
import org.springframework.util.StringUtils;
/**
* {@link BeanFactoryPostProcessor} to automatically setup the recommended
* {@link BeanDefinition#setDependsOn(String[]) dependsOn} settings for
* correct Atomikos
* ordering.
*
* @author Phillip Webb
* @since 1.2.0
*/
public class AtomikosDependsOnBeanFactoryPostProcessor
implements BeanFactoryPostProcessor, Ordered {
private static final String[] NO_BEANS = {};
private int order = Ordered.LOWEST_PRECEDENCE;
@Override
public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory)
throws BeansException {
String[] transactionManagers = beanFactory
.getBeanNamesForType(UserTransactionManager.class, true, false);
for (String transactionManager : transactionManagers) {
addTransactionManagerDependencies(beanFactory, transactionManager);
}
addMessageDrivenContainerDependencies(beanFactory, transactionManagers);
}
private void addTransactionManagerDependencies(
ConfigurableListableBeanFactory beanFactory, String transactionManager) {
BeanDefinition bean = beanFactory.getBeanDefinition(transactionManager);
Set dependsOn = new LinkedHashSet<>(asList(bean.getDependsOn()));
int initialSize = dependsOn.size();
addDependencies(beanFactory, "javax.jms.ConnectionFactory", dependsOn);
addDependencies(beanFactory, "javax.sql.DataSource", dependsOn);
if (dependsOn.size() != initialSize) {
bean.setDependsOn(StringUtils.toStringArray(dependsOn));
}
}
private void addMessageDrivenContainerDependencies(
ConfigurableListableBeanFactory beanFactory, String[] transactionManagers) {
String[] messageDrivenContainers = getBeanNamesForType(beanFactory,
"com.atomikos.jms.extra.MessageDrivenContainer");
for (String messageDrivenContainer : messageDrivenContainers) {
BeanDefinition bean = beanFactory.getBeanDefinition(messageDrivenContainer);
Set dependsOn = new LinkedHashSet<>(asList(bean.getDependsOn()));
dependsOn.addAll(asList(transactionManagers));
bean.setDependsOn(StringUtils.toStringArray(dependsOn));
}
}
private void addDependencies(ConfigurableListableBeanFactory beanFactory, String type,
Set dependsOn) {
dependsOn.addAll(asList(getBeanNamesForType(beanFactory, type)));
}
private String[] getBeanNamesForType(ConfigurableListableBeanFactory beanFactory,
String type) {
try {
return beanFactory.getBeanNamesForType(Class.forName(type), true, false);
}
catch (ClassNotFoundException | NoClassDefFoundError ex) {
// Ignore
}
return NO_BEANS;
}
private List asList(String[] array) {
return (array != null) ? Arrays.asList(array) : Collections.emptyList();
}
@Override
public int getOrder() {
return this.order;
}
public void setOrder(int order) {
this.order = order;
}
}