/*
* Copyright 2015 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.
*
* 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.jbpm.kie.services.impl;
import org.drools.core.command.runtime.process.StartProcessInstanceCommand;
import org.jbpm.kie.services.impl.cmd.StartProcessInstanceWithParentCommand;
import org.jbpm.process.instance.impl.ProcessInstanceImpl;
import org.jbpm.services.api.AdHocProcessService;
import org.jbpm.services.api.DeploymentNotFoundException;
import org.jbpm.services.api.DeploymentService;
import org.jbpm.services.api.RuntimeDataService;
import org.jbpm.services.api.model.DeployedUnit;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.manager.RuntimeEngine;
import org.kie.api.runtime.manager.RuntimeManager;
import org.kie.api.runtime.process.ProcessInstance;
import org.kie.internal.process.CorrelationAwareProcessRuntime;
import org.kie.internal.process.CorrelationKey;
import org.kie.internal.runtime.manager.InternalRuntimeManager;
import org.kie.internal.runtime.manager.context.ProcessInstanceIdContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Map;
public class AdHocProcessServiceImpl implements AdHocProcessService, VariablesAware {
private static final Logger logger = LoggerFactory.getLogger(AdHocProcessServiceImpl.class);
protected DeploymentService deploymentService;
protected RuntimeDataService dataService;
public void setDeploymentService(DeploymentService deploymentService) {
this.deploymentService = deploymentService;
}
public void setDataService(RuntimeDataService dataService) {
this.dataService = dataService;
}
@Override
public Long startProcess(String deploymentId, String processId, CorrelationKey correlationKey, Map<String, Object> params, Long parentProcessInstanceId) {
DeployedUnit deployedUnit = deploymentService.getDeployedUnit(deploymentId);
if (deployedUnit == null) {
throw new DeploymentNotFoundException("No deployments available for " + deploymentId);
}
if (!deployedUnit.isActive()) {
throw new DeploymentNotFoundException("Deployments " + deploymentId + " is not active");
}
RuntimeManager manager = deployedUnit.getRuntimeManager();
params = process(params, ((InternalRuntimeManager) manager).getEnvironment().getClassLoader());
RuntimeEngine engine = manager.getRuntimeEngine(ProcessInstanceIdContext.get());
KieSession ksession = engine.getKieSession();
ProcessInstance pi = null;
try {
pi = ((CorrelationAwareProcessRuntime)ksession).createProcessInstance(processId, correlationKey, params);
pi = ksession.execute(new StartProcessInstanceWithParentCommand(pi.getId(), parentProcessInstanceId));
return pi.getId();
} finally {
disposeRuntimeEngine(manager, engine);
}
}
@Override
public <T> T process(T variables, ClassLoader cl) {
// do nothing here as there is no need to process variables
return variables;
}
protected void disposeRuntimeEngine(RuntimeManager manager, RuntimeEngine engine) {
manager.disposeRuntimeEngine(engine);
}
}