/*
* Copyright 2013 Red Hat, Inc. and/or its affiliates.
*
* 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.kie.spring.factorybeans.helper;
import org.drools.core.impl.EnvironmentFactory;
import org.drools.core.marshalling.impl.ClassObjectMarshallingStrategyAcceptor;
import org.drools.core.marshalling.impl.SerializablePlaceholderResolverStrategy;
import org.kie.api.command.Command;
import org.kie.api.marshalling.ObjectMarshallingStrategy;
import org.kie.api.runtime.Environment;
import org.kie.api.runtime.EnvironmentName;
import org.kie.api.runtime.KieSession;
import org.kie.internal.persistence.jpa.JPAKnowledgeService;
import org.kie.spring.factorybeans.KSessionFactoryBean;
import org.springframework.transaction.PlatformTransactionManager;
import javax.persistence.EntityManagerFactory;
public class StatefulKSessionFactoryBeanHelper extends KSessionFactoryBeanHelper {
protected KieSession kieSession;
public StatefulKSessionFactoryBeanHelper(KSessionFactoryBean factoryBean, KieSession kieSession) {
super(factoryBean);
this.kieSession = kieSession;
}
@Override
public void internalAfterPropertiesSet() throws Exception {
JpaConfiguration jpaConfiguration = factoryBean.getJpaConfiguration();
if (jpaConfiguration != null) {
Environment env = EnvironmentFactory.newEnvironment();
env.set(EnvironmentName.ENTITY_MANAGER_FACTORY, jpaConfiguration.getEntityManagerFactory());
env.set(EnvironmentName.TRANSACTION_MANAGER, jpaConfiguration.getPlatformTransactionManager());
env.set(EnvironmentName.OBJECT_MARSHALLING_STRATEGIES,
new ObjectMarshallingStrategy[]{new SerializablePlaceholderResolverStrategy(ClassObjectMarshallingStrategyAcceptor.DEFAULT)});
if (jpaConfiguration.getId() >= 0) {
kieSession = JPAKnowledgeService.loadStatefulKnowledgeSession(jpaConfiguration.getId(),
kieSession.getKieBase(),
factoryBean.getConf(),
env);
} else {
kieSession = JPAKnowledgeService.newStatefulKnowledgeSession(kieSession.getKieBase(),
factoryBean.getConf(),
env);
}
}
if (factoryBean.getBatch() != null && !factoryBean.getBatch().isEmpty()) {
for (Command<?> cmd : factoryBean.getBatch()) {
kieSession.execute(cmd);
}
}
}
public Object internalGetObject() {
return kieSession;
}
@Override
public Object internalNewObject() {
if (kieBase != null) {
return kieBase.newKieSession(factoryBean.getConf(), null);
}
return null;
}
public static class JpaConfiguration {
private EntityManagerFactory emf;
private PlatformTransactionManager tm;
private int id = -1;
public EntityManagerFactory getEntityManagerFactory() {
return this.emf;
}
public void setEntityManagerFactory(EntityManagerFactory emf) {
this.emf = emf;
}
public PlatformTransactionManager getPlatformTransactionManager() {
return this.tm;
}
public void setPlatformTransactionManager(PlatformTransactionManager tm) {
this.tm = tm;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
}
}