io.graphenee.jbpm.embedded.service.impl.GxKieRuntimeEngineServiceImpl Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2016, 2018 Farrukh Ijaz
*
* 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 io.graphenee.jbpm.embedded.service.impl;
import javax.persistence.EntityManagerFactory;
import org.kie.api.runtime.EnvironmentName;
import org.kie.api.runtime.manager.RuntimeEngine;
import org.kie.api.runtime.manager.RuntimeEnvironment;
import org.kie.api.runtime.manager.RuntimeEnvironmentBuilder;
import org.kie.api.runtime.manager.RuntimeManager;
import org.kie.api.runtime.manager.RuntimeManagerFactory;
import org.kie.api.task.UserGroupCallback;
import org.kie.internal.process.CorrelationKey;
import org.kie.internal.runtime.manager.context.CorrelationKeyContext;
import org.kie.internal.runtime.manager.context.EmptyContext;
import org.kie.internal.runtime.manager.context.ProcessInstanceIdContext;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.stereotype.Service;
import io.graphenee.jbpm.embedded.service.GxKieRuntimeEngineService;
@Service
public class GxKieRuntimeEngineServiceImpl implements GxKieRuntimeEngineService {
@Autowired
@Qualifier("jbpmEntityManagerFactory")
EntityManagerFactory jbpmEntityManagerFactory;
@Autowired
@Qualifier("jbpmTransactionManager")
JpaTransactionManager jbpmTransactionManager;
@Autowired
UserGroupCallback userGroupCallback;
RuntimeManager singletonRuntimeManager;
RuntimeManager perProcessRuntimeManager;
RuntimeManager perRequestRuntimeManager;
@Override
public RuntimeEngine newSingletonRuntimeEngine() {
if (singletonRuntimeManager == null) {
RuntimeEnvironment renv = RuntimeEnvironmentBuilder.Factory.get().newClasspathKmoduleDefaultBuilder().userGroupCallback(userGroupCallback)
.addEnvironmentEntry(EnvironmentName.TRANSACTION_MANAGER, jbpmTransactionManager).entityManagerFactory(jbpmEntityManagerFactory).persistence(true).get();
singletonRuntimeManager = RuntimeManagerFactory.Factory.get().newSingletonRuntimeManager(renv);
}
RuntimeEngine re = singletonRuntimeManager.getRuntimeEngine(EmptyContext.get());
return re;
}
@Override
public RuntimeEngine newPerRequestRuntimeEngine() {
if (perRequestRuntimeManager == null) {
RuntimeEnvironment renv = RuntimeEnvironmentBuilder.Factory.get().newClasspathKmoduleDefaultBuilder().userGroupCallback(userGroupCallback)
.addEnvironmentEntry(EnvironmentName.TRANSACTION_MANAGER, jbpmTransactionManager).entityManagerFactory(jbpmEntityManagerFactory).persistence(true).get();
perRequestRuntimeManager = RuntimeManagerFactory.Factory.get().newPerRequestRuntimeManager(renv);
}
RuntimeEngine re = perRequestRuntimeManager.getRuntimeEngine(EmptyContext.get());
return re;
}
@Override
public RuntimeEngine newPerProcessRuntimeEngine() {
initializePerProcessRuntimeManager();
RuntimeEngine re = perProcessRuntimeManager.getRuntimeEngine(EmptyContext.get());
return re;
}
@Override
public RuntimeEngine newPerProcessRuntimeEngine(CorrelationKey key) {
initializePerProcessRuntimeManager();
RuntimeEngine re = perProcessRuntimeManager.getRuntimeEngine(CorrelationKeyContext.get(key));
return re;
}
@Override
public RuntimeEngine newPerProcessRuntimeEngine(Long processInstanceId) {
initializePerProcessRuntimeManager();
RuntimeEngine re = perProcessRuntimeManager.getRuntimeEngine(ProcessInstanceIdContext.get(processInstanceId));
return re;
}
private void initializePerProcessRuntimeManager() {
if (perProcessRuntimeManager == null) {
RuntimeEnvironment renv = RuntimeEnvironmentBuilder.Factory.get().newClasspathKmoduleDefaultBuilder().userGroupCallback(userGroupCallback)
.addEnvironmentEntry(EnvironmentName.TRANSACTION_MANAGER, jbpmTransactionManager).entityManagerFactory(jbpmEntityManagerFactory).persistence(true).get();
perProcessRuntimeManager = RuntimeManagerFactory.Factory.get().newPerProcessInstanceRuntimeManager(renv);
}
}
}
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