org.activiti.app.service.runtime.DeploymentServiceImpl Maven / Gradle / Ivy
/* 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.activiti.app.service.runtime;
import java.io.ByteArrayInputStream;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.activiti.app.domain.editor.AbstractModel;
import org.activiti.app.domain.editor.AppDefinition;
import org.activiti.app.domain.editor.AppModelDefinition;
import org.activiti.app.domain.editor.Model;
import org.activiti.app.repository.editor.ModelRepository;
import org.activiti.app.service.api.AppDefinitionService;
import org.activiti.app.service.api.DeploymentService;
import org.activiti.app.service.api.ModelService;
import org.activiti.app.service.exception.BadRequestException;
import org.activiti.app.service.exception.InternalServerErrorException;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.bpmn.model.FlowElement;
import org.activiti.bpmn.model.Process;
import org.activiti.bpmn.model.StartEvent;
import org.activiti.bpmn.model.SubProcess;
import org.activiti.bpmn.model.UserTask;
import org.activiti.dmn.model.DmnDefinition;
import org.activiti.dmn.xml.converter.DmnXMLConverter;
import org.activiti.editor.dmn.converter.DmnJsonConverter;
import org.activiti.editor.language.json.converter.util.CollectionUtils;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.identity.User;
import org.activiti.engine.repository.Deployment;
import org.activiti.engine.repository.DeploymentBuilder;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* @author Tijs Rademakers
* @author Joram Barrez
*/
@Service
public class DeploymentServiceImpl implements DeploymentService {
private static final Logger logger = LoggerFactory.getLogger(DeploymentServiceImpl.class);
@Autowired
protected AppDefinitionService appDefinitionService;
@Autowired
protected ModelService modelService;
@Autowired
protected RepositoryService repositoryService;
@Autowired
protected ModelRepository modelRepository;
@Autowired
protected ObjectMapper objectMapper;
protected DmnJsonConverter dmnJsonConverter = new DmnJsonConverter();
protected DmnXMLConverter dmnXMLConverter = new DmnXMLConverter();
@Override
@Transactional
public Deployment updateAppDefinition(Model appDefinitionModel, User user) {
Deployment deployment = null;
AppDefinition appDefinition = resolveAppDefinition(appDefinitionModel);
if (CollectionUtils.isNotEmpty(appDefinition.getModels())) {
DeploymentBuilder deploymentBuilder = repositoryService.createDeployment()
.name(appDefinitionModel.getName())
.key(appDefinitionModel.getKey());
Map formMap = new HashMap();
Map decisionTableMap = new HashMap();
for (AppModelDefinition appModelDef : appDefinition.getModels()) {
AbstractModel processModel = modelService.getModel(appModelDef.getId());
if (processModel == null) {
logger.error("Model " + appModelDef.getId() + " for app definition " + appDefinitionModel.getId() + " could not be found");
throw new BadRequestException("Model for app definition could not be found");
}
List referencedModels = modelRepository.findModelsByParentModelId(processModel.getId());
for (Model childModel : referencedModels) {
if (Model.MODEL_TYPE_FORM == childModel.getModelType()) {
formMap.put(childModel.getId(), childModel);
} else if (Model.MODEL_TYPE_DECISION_TABLE == childModel.getModelType()) {
decisionTableMap.put(childModel.getId(), childModel);
}
}
BpmnModel bpmnModel = modelService.getBpmnModel(processModel, formMap, decisionTableMap);
Map startEventMap = processNoneStartEvents(bpmnModel);
for (Process process : bpmnModel.getProcesses()) {
processUserTasks(process.getFlowElements(), process, startEventMap);
}
byte[] modelXML = modelService.getBpmnXML(bpmnModel);
deploymentBuilder.addInputStream(processModel.getKey().replaceAll(" ", "") + ".bpmn", new ByteArrayInputStream(modelXML));
}
if (formMap.size() > 0) {
for (String formId : formMap.keySet()) {
Model formInfo = formMap.get(formId);
deploymentBuilder.addString("form-" + formInfo.getKey() + ".form", formInfo.getModelEditorJson());
}
}
if (decisionTableMap.size() > 0) {
for (String decisionTableId : decisionTableMap.keySet()) {
Model decisionTableInfo = decisionTableMap.get(decisionTableId);
try {
JsonNode decisionTableNode = objectMapper.readTree(decisionTableInfo.getModelEditorJson());
DmnDefinition dmnDefinition = dmnJsonConverter.convertToDmn(decisionTableNode, decisionTableInfo.getId(),
decisionTableInfo.getVersion(), decisionTableInfo.getLastUpdated());
byte[] dmnXMLBytes = dmnXMLConverter.convertToXML(dmnDefinition);
deploymentBuilder.addBytes("dmn-" + decisionTableInfo.getKey() + ".dmn", dmnXMLBytes);
} catch (Exception e) {
logger.error("Error converting decision table to XML " + decisionTableInfo.getName(), e);
throw new InternalServerErrorException("Error converting decision table to XML " + decisionTableInfo.getName());
}
}
}
deployment = deploymentBuilder.deploy();
}
return deployment;
}
@Override
@Transactional
public void deleteAppDefinition(String appDefinitionId) {
// First test if deployment is still there, otherwhise the transaction will be rolled back
List deployments = repositoryService.createDeploymentQuery().deploymentKey(String.valueOf(appDefinitionId)).list();
if (deployments != null) {
for (Deployment deployment : deployments) {
repositoryService.deleteDeployment(deployment.getId(), true);
}
}
}
protected Map processNoneStartEvents(BpmnModel bpmnModel) {
Map startEventMap = new HashMap();
for (Process process : bpmnModel.getProcesses()) {
for (FlowElement flowElement : process.getFlowElements()) {
if (flowElement instanceof StartEvent) {
StartEvent startEvent = (StartEvent) flowElement;
if (CollectionUtils.isEmpty(startEvent.getEventDefinitions())) {
if (StringUtils.isEmpty(startEvent.getInitiator())) {
startEvent.setInitiator("initiator");
}
startEventMap.put(process.getId(), startEvent);
break;
}
}
}
}
return startEventMap;
}
protected void processUserTasks(Collection flowElements, Process process, Map startEventMap) {
for (FlowElement flowElement : flowElements) {
if (flowElement instanceof UserTask) {
UserTask userTask = (UserTask) flowElement;
if ("$INITIATOR".equals(userTask.getAssignee())) {
if (startEventMap.get(process.getId()) != null) {
userTask.setAssignee("${" + startEventMap.get(process.getId()).getInitiator() + "}");
}
}
} else if (flowElement instanceof SubProcess) {
processUserTasks(((SubProcess) flowElement).getFlowElements(), process, startEventMap);
}
}
}
protected AppDefinition resolveAppDefinition(Model appDefinitionModel) {
try {
AppDefinition appDefinition = objectMapper.readValue(appDefinitionModel.getModelEditorJson(), AppDefinition.class);
return appDefinition;
} catch (Exception e) {
logger.error("Error deserializing app " + appDefinitionModel.getId(), e);
throw new InternalServerErrorException("Could not deserialize app definition");
}
}
}