| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.syncope.core.flowable.support; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| import javax.sql.DataSource; |
| import org.apache.syncope.core.persistence.api.DomainHolder; |
| import org.apache.syncope.core.persistence.api.SyncopeCoreLoader; |
| import org.flowable.common.engine.impl.cfg.SpringBeanFactoryProxyMap; |
| import org.flowable.engine.ProcessEngine; |
| import org.flowable.engine.impl.el.ProcessExpressionManager; |
| import org.flowable.engine.impl.util.EngineServiceUtil; |
| import org.flowable.idm.spring.SpringIdmEngineConfiguration; |
| import org.flowable.spring.SpringProcessEngineConfiguration; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.beans.BeansException; |
| import org.springframework.beans.factory.DisposableBean; |
| import org.springframework.beans.factory.FactoryBean; |
| import org.springframework.context.ApplicationContext; |
| import org.springframework.context.ApplicationContextAware; |
| import org.springframework.stereotype.Component; |
| import org.springframework.transaction.PlatformTransactionManager; |
| |
| /** |
| * Spring factory for {@link DomainProcessEngine} which takes the provided {@link SpringProcessEngineConfiguration} as |
| * template for each of the configured Syncope domains. |
| */ |
| @Component |
| public class DomainProcessEngineFactoryBean |
| implements FactoryBean<DomainProcessEngine>, DisposableBean, ApplicationContextAware, SyncopeCoreLoader { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(DomainProcessEngineFactoryBean.class); |
| |
| private ApplicationContext ctx; |
| |
| private DomainProcessEngine engine; |
| |
| @Override |
| public int getOrder() { |
| return 300; |
| } |
| |
| @Override |
| public void setApplicationContext(final ApplicationContext ctx) throws BeansException { |
| this.ctx = ctx; |
| } |
| |
| private ProcessEngine build(final String domain, final DataSource datasource) { |
| PlatformTransactionManager transactionManager = ctx.getBean( |
| domain + "TransactionManager", PlatformTransactionManager.class); |
| Object entityManagerFactory = ctx.getBean(domain + "EntityManagerFactory"); |
| |
| SpringProcessEngineConfiguration conf = ctx.getBean(SpringProcessEngineConfiguration.class); |
| conf.setDataSource(datasource); |
| conf.setTransactionManager(transactionManager); |
| conf.setTransactionsExternallyManaged(true); |
| conf.setJpaEntityManagerFactory(entityManagerFactory); |
| if (conf.getBeans() == null) { |
| conf.setBeans(new SpringBeanFactoryProxyMap(ctx)); |
| } |
| if (conf.getExpressionManager() == null) { |
| conf.setExpressionManager(new ProcessExpressionManager(conf.getBeans())); |
| } |
| if (EngineServiceUtil.getIdmEngineConfiguration(conf) == null) { |
| SpringIdmEngineConfiguration spiec = ctx.getBean(SpringIdmEngineConfiguration.class); |
| conf.addEngineConfiguration(spiec.getEngineCfgKey(), spiec.getEngineScopeType(), spiec); |
| } |
| conf.setEnableSafeBpmnXml(true); |
| conf.setCustomFormTypes(List.of(new DropdownFormType(null), new PasswordFormType())); |
| conf.setDisableEventRegistry(true); |
| |
| return conf.buildProcessEngine(); |
| } |
| |
| @Override |
| public void load(final String domain, final DataSource datasource) { |
| try { |
| Objects.requireNonNull(getObject()).getEngines().put(domain, build(domain, datasource)); |
| } catch (Exception e) { |
| LOG.error("Could not setup Flowable for {}", domain, e); |
| } |
| } |
| |
| @Override |
| public DomainProcessEngine getObject() throws Exception { |
| if (engine == null) { |
| Map<String, ProcessEngine> engines = new HashMap<>(); |
| |
| ctx.getBean(DomainHolder.class).getDomains().forEach( |
| (domain, datasource) -> engines.put(domain, build(domain, datasource))); |
| |
| engine = new DomainProcessEngine(engines); |
| } |
| |
| return engine; |
| } |
| |
| @Override |
| public Class<DomainProcessEngine> getObjectType() { |
| return DomainProcessEngine.class; |
| } |
| |
| @Override |
| public boolean isSingleton() { |
| return true; |
| } |
| |
| @Override |
| public void destroy() throws Exception { |
| if (engine != null) { |
| engine.close(); |
| } |
| } |
| } |