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org.flowable.ui.modeler.service.ModelServiceImpl 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.flowable.ui.modeler.service;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
import org.apache.commons.lang3.StringUtils;
import org.flowable.bpmn.converter.BpmnXMLConverter;
import org.flowable.bpmn.model.BpmnModel;
import org.flowable.bpmn.model.ExtensionElement;
import org.flowable.bpmn.model.Process;
import org.flowable.bpmn.model.UserTask;
import org.flowable.cmmn.converter.CmmnXmlConverter;
import org.flowable.cmmn.editor.json.converter.CmmnJsonConverter;
import org.flowable.cmmn.editor.json.converter.util.CmmnModelJsonConverterUtil;
import org.flowable.cmmn.model.CmmnModel;
import org.flowable.editor.language.json.converter.BpmnJsonConverter;
import org.flowable.editor.language.json.converter.util.CollectionUtils;
import org.flowable.editor.language.json.converter.util.JsonConverterUtil;
import org.flowable.form.model.SimpleFormModel;
import org.flowable.idm.api.User;
import org.flowable.ui.common.security.SecurityUtils;
import org.flowable.ui.common.service.exception.BadRequestException;
import org.flowable.ui.common.service.exception.InternalServerErrorException;
import org.flowable.ui.common.service.exception.NotFoundException;
import org.flowable.ui.common.util.XmlUtil;
import org.flowable.ui.modeler.domain.AbstractModel;
import org.flowable.ui.modeler.domain.AppDefinition;
import org.flowable.ui.modeler.domain.AppModelDefinition;
import org.flowable.ui.modeler.domain.Model;
import org.flowable.ui.modeler.domain.ModelHistory;
import org.flowable.ui.modeler.domain.ModelRelation;
import org.flowable.ui.modeler.domain.ModelRelationTypes;
import org.flowable.ui.modeler.model.ModelKeyRepresentation;
import org.flowable.ui.modeler.model.ModelRepresentation;
import org.flowable.ui.modeler.model.ReviveModelResultRepresentation;
import org.flowable.ui.modeler.model.ReviveModelResultRepresentation.UnresolveModelRepresentation;
import org.flowable.ui.modeler.model.decisiontable.DecisionTableDefinitionRepresentation;
import org.flowable.ui.modeler.repository.ModelHistoryRepository;
import org.flowable.ui.modeler.repository.ModelRelationRepository;
import org.flowable.ui.modeler.repository.ModelRepository;
import org.flowable.ui.modeler.repository.ModelSort;
import org.flowable.ui.modeler.serviceapi.ModelService;
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;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
@Service
@Transactional
public class ModelServiceImpl implements ModelService {
private static final Logger LOGGER = LoggerFactory.getLogger(ModelServiceImpl.class);
public static final String NAMESPACE = "http://flowable.org/modeler";
protected static final String PROCESS_NOT_FOUND_MESSAGE_KEY = "PROCESS.ERROR.NOT-FOUND";
@Autowired
protected ModelImageService modelImageService;
@Autowired
protected ModelRepository modelRepository;
@Autowired
protected ModelHistoryRepository modelHistoryRepository;
@Autowired
protected ModelRelationRepository modelRelationRepository;
@Autowired
protected ObjectMapper objectMapper;
protected BpmnJsonConverter bpmnJsonConverter = new BpmnJsonConverter();
protected BpmnXMLConverter bpmnXMLConverter = new BpmnXMLConverter();
protected CmmnJsonConverter cmmnJsonConverter = new CmmnJsonConverter();
protected CmmnXmlConverter cmmnXMLConverter = new CmmnXmlConverter();
@Override
public Model getModel(String modelId) {
Model model = modelRepository.get(modelId);
if (model == null) {
NotFoundException modelNotFound = new NotFoundException("No model found with the given id: " + modelId);
modelNotFound.setMessageKey(PROCESS_NOT_FOUND_MESSAGE_KEY);
throw modelNotFound;
}
return model;
}
public ModelRepresentation getModelRepresentation(String modelId) {
Model model = getModel(modelId);
return new ModelRepresentation(model);
}
@Override
public List getModelsByModelType(Integer modelType) {
return new ArrayList(modelRepository.findByModelType(modelType, ModelSort.NAME_ASC));
}
@Override
public ModelHistory getModelHistory(String modelId, String modelHistoryId) {
// Check if the user has read-rights on the process-model in order to fetch history
Model model = getModel(modelId);
ModelHistory modelHistory = modelHistoryRepository.get(modelHistoryId);
// Check if history corresponds to the current model and is not deleted
if (modelHistory == null || modelHistory.getRemovalDate() != null || !modelHistory.getModelId().equals(model.getId())) {
throw new NotFoundException("Process model history not found: " + modelHistoryId);
}
return modelHistory;
}
@Override
public byte[] getBpmnXML(AbstractModel model) {
BpmnModel bpmnModel = getBpmnModel(model);
return getBpmnXML(bpmnModel);
}
@Override
public byte[] getBpmnXML(BpmnModel bpmnModel) {
for (Process process : bpmnModel.getProcesses()) {
if (StringUtils.isNotEmpty(process.getId())) {
char firstCharacter = process.getId().charAt(0);
// no digit is allowed as first character
if (Character.isDigit(firstCharacter)) {
process.setId("a" + process.getId());
}
}
}
byte[] xmlBytes = bpmnXMLConverter.convertToXML(bpmnModel);
return xmlBytes;
}
@Override
public byte[] getCmmnXML(AbstractModel model) {
CmmnModel cmmnModel = getCmmnModel(model);
return getCmmnXML(cmmnModel);
}
@Override
public byte[] getCmmnXML(CmmnModel cmmnModel) {
byte[] xmlBytes = cmmnXMLConverter.convertToXML(cmmnModel);
return xmlBytes;
}
public ModelKeyRepresentation validateModelKey(Model model, Integer modelType, String key) {
ModelKeyRepresentation modelKeyResponse = new ModelKeyRepresentation();
modelKeyResponse.setKey(key);
List models = modelRepository.findByKeyAndType(key, modelType);
for (Model modelInfo : models) {
if (model == null || !modelInfo.getId().equals(model.getId())) {
modelKeyResponse.setKeyAlreadyExists(true);
modelKeyResponse.setId(modelInfo.getId());
modelKeyResponse.setName(modelInfo.getName());
break;
}
}
return modelKeyResponse;
}
@Override
public String createModelJson(ModelRepresentation model) {
String json = null;
if (Integer.valueOf(AbstractModel.MODEL_TYPE_FORM).equals(model.getModelType())) {
try {
json = objectMapper.writeValueAsString(new SimpleFormModel());
} catch (Exception e) {
LOGGER.error("Error creating form model", e);
throw new InternalServerErrorException("Error creating form");
}
} else if (Integer.valueOf(AbstractModel.MODEL_TYPE_DECISION_TABLE).equals(model.getModelType())) {
try {
DecisionTableDefinitionRepresentation decisionTableDefinition = new DecisionTableDefinitionRepresentation();
String decisionTableDefinitionKey = model.getName().replaceAll(" ", "");
decisionTableDefinition.setKey(decisionTableDefinitionKey);
json = objectMapper.writeValueAsString(decisionTableDefinition);
} catch (Exception e) {
LOGGER.error("Error creating decision table model", e);
throw new InternalServerErrorException("Error creating decision table");
}
} else if (Integer.valueOf(AbstractModel.MODEL_TYPE_APP).equals(model.getModelType())) {
try {
json = objectMapper.writeValueAsString(new AppDefinition());
} catch (Exception e) {
LOGGER.error("Error creating app definition", e);
throw new InternalServerErrorException("Error creating app definition");
}
} else if (Integer.valueOf(AbstractModel.MODEL_TYPE_CMMN).equals(model.getModelType())) {
ObjectNode editorNode = objectMapper.createObjectNode();
editorNode.put("id", "canvas");
editorNode.put("resourceId", "canvas");
ObjectNode stencilSetNode = objectMapper.createObjectNode();
stencilSetNode.put("namespace", "http://b3mn.org/stencilset/cmmn1.1#");
editorNode.set("stencilset", stencilSetNode);
ObjectNode propertiesNode = objectMapper.createObjectNode();
propertiesNode.put("case_id", model.getKey());
propertiesNode.put("name", model.getName());
if (StringUtils.isNotEmpty(model.getDescription())) {
propertiesNode.put("documentation", model.getDescription());
}
editorNode.set("properties", propertiesNode);
ArrayNode childShapeArray = objectMapper.createArrayNode();
editorNode.set("childShapes", childShapeArray);
ObjectNode childNode = objectMapper.createObjectNode();
childShapeArray.add(childNode);
ObjectNode boundsNode = objectMapper.createObjectNode();
childNode.set("bounds", boundsNode);
ObjectNode lowerRightNode = objectMapper.createObjectNode();
boundsNode.set("lowerRight", lowerRightNode);
lowerRightNode.put("x", 758);
lowerRightNode.put("y", 754);
ObjectNode upperLeftNode = objectMapper.createObjectNode();
boundsNode.set("upperLeft", upperLeftNode);
upperLeftNode.put("x", 40);
upperLeftNode.put("y", 40);
childNode.set("childShapes", objectMapper.createArrayNode());
childNode.set("dockers", objectMapper.createArrayNode());
childNode.set("outgoing", objectMapper.createArrayNode());
childNode.put("resourceId", "casePlanModel");
ObjectNode stencilNode = objectMapper.createObjectNode();
childNode.set("stencil", stencilNode);
stencilNode.put("id", "CasePlanModel");
json = editorNode.toString();
} else {
ObjectNode editorNode = objectMapper.createObjectNode();
editorNode.put("id", "canvas");
editorNode.put("resourceId", "canvas");
ObjectNode stencilSetNode = objectMapper.createObjectNode();
stencilSetNode.put("namespace", "http://b3mn.org/stencilset/bpmn2.0#");
editorNode.set("stencilset", stencilSetNode);
ObjectNode propertiesNode = objectMapper.createObjectNode();
propertiesNode.put("process_id", model.getKey());
propertiesNode.put("name", model.getName());
if (StringUtils.isNotEmpty(model.getDescription())) {
propertiesNode.put("documentation", model.getDescription());
}
editorNode.set("properties", propertiesNode);
ArrayNode childShapeArray = objectMapper.createArrayNode();
editorNode.set("childShapes", childShapeArray);
ObjectNode childNode = objectMapper.createObjectNode();
childShapeArray.add(childNode);
ObjectNode boundsNode = objectMapper.createObjectNode();
childNode.set("bounds", boundsNode);
ObjectNode lowerRightNode = objectMapper.createObjectNode();
boundsNode.set("lowerRight", lowerRightNode);
lowerRightNode.put("x", 130);
lowerRightNode.put("y", 193);
ObjectNode upperLeftNode = objectMapper.createObjectNode();
boundsNode.set("upperLeft", upperLeftNode);
upperLeftNode.put("x", 100);
upperLeftNode.put("y", 163);
childNode.set("childShapes", objectMapper.createArrayNode());
childNode.set("dockers", objectMapper.createArrayNode());
childNode.set("outgoing", objectMapper.createArrayNode());
childNode.put("resourceId", "startEvent1");
ObjectNode stencilNode = objectMapper.createObjectNode();
childNode.set("stencil", stencilNode);
stencilNode.put("id", "StartNoneEvent");
json = editorNode.toString();
}
return json;
}
@Override
public Model createModel(Model newModel, User createdBy) {
newModel.setVersion(1);
newModel.setCreated(Calendar.getInstance().getTime());
newModel.setCreatedBy(createdBy.getId());
newModel.setLastUpdated(Calendar.getInstance().getTime());
newModel.setLastUpdatedBy(createdBy.getId());
persistModel(newModel);
return newModel;
}
@Override
public Model createModel(ModelRepresentation model, String editorJson, User createdBy) {
Model newModel = new Model();
newModel.setVersion(1);
newModel.setName(model.getName());
newModel.setKey(model.getKey());
newModel.setModelType(model.getModelType());
newModel.setCreated(Calendar.getInstance().getTime());
newModel.setCreatedBy(createdBy.getId());
newModel.setDescription(model.getDescription());
newModel.setModelEditorJson(editorJson);
newModel.setLastUpdated(Calendar.getInstance().getTime());
newModel.setLastUpdatedBy(createdBy.getId());
newModel.setTenantId(model.getTenantId());
persistModel(newModel);
return newModel;
}
public ModelRepresentation importNewVersion(String modelId, String fileName, InputStream modelStream) {
Model processModel = getModel(modelId);
User currentUser = SecurityUtils.getCurrentUserObject();
if (fileName != null && (fileName.endsWith(".bpmn") || fileName.endsWith(".bpmn20.xml"))) {
try {
XMLInputFactory xif = XmlUtil.createSafeXmlInputFactory();
InputStreamReader xmlIn = new InputStreamReader(modelStream, "UTF-8");
XMLStreamReader xtr = xif.createXMLStreamReader(xmlIn);
BpmnModel bpmnModel = bpmnXMLConverter.convertToBpmnModel(xtr);
if (CollectionUtils.isEmpty(bpmnModel.getProcesses())) {
throw new BadRequestException("No process found in definition " + fileName);
}
if (bpmnModel.getLocationMap().size() == 0) {
throw new BadRequestException("No required BPMN DI information found in definition " + fileName);
}
ObjectNode modelNode = bpmnJsonConverter.convertToJson(bpmnModel);
AbstractModel savedModel = saveModel(modelId, processModel.getName(), processModel.getKey(),
processModel.getDescription(), modelNode.toString(), true, "Version import via REST service", currentUser);
return new ModelRepresentation(savedModel);
} catch (BadRequestException e) {
throw e;
} catch (Exception e) {
throw new BadRequestException("Import failed for " + fileName + ", error message " + e.getMessage());
}
} else {
throw new BadRequestException("Invalid file name, only .bpmn and .bpmn20.xml files are supported not " + fileName);
}
}
@Override
public Model createNewModelVersion(Model modelObject, String comment, User updatedBy) {
return (Model) internalCreateNewModelVersion(modelObject, comment, updatedBy, false);
}
@Override
public ModelHistory createNewModelVersionAndReturnModelHistory(Model modelObject, String comment, User updatedBy) {
return (ModelHistory) internalCreateNewModelVersion(modelObject, comment, updatedBy, true);
}
protected AbstractModel internalCreateNewModelVersion(Model modelObject, String comment, User updatedBy, boolean returnModelHistory) {
modelObject.setLastUpdated(new Date());
modelObject.setLastUpdatedBy(updatedBy.getId());
modelObject.setComment(comment);
ModelHistory historyModel = createNewModelhistory(modelObject);
persistModelHistory(historyModel);
modelObject.setVersion(modelObject.getVersion() + 1);
persistModel(modelObject);
return returnModelHistory ? historyModel : modelObject;
}
@Override
public Model saveModel(Model modelObject) {
return persistModel(modelObject);
}
@Override
public Model saveModel(Model modelObject, String editorJson, byte[] imageBytes, boolean newVersion, String newVersionComment, User updatedBy) {
return internalSave(modelObject.getName(), modelObject.getKey(), modelObject.getDescription(), editorJson, newVersion,
newVersionComment, imageBytes, updatedBy, modelObject);
}
@Override
public Model saveModel(String modelId, String name, String key, String description, String editorJson,
boolean newVersion, String newVersionComment, User updatedBy) {
Model modelObject = modelRepository.get(modelId);
return internalSave(name, key, description, editorJson, newVersion, newVersionComment, null, updatedBy, modelObject);
}
protected Model internalSave(String name, String key, String description, String editorJson, boolean newVersion,
String newVersionComment, byte[] imageBytes, User updatedBy, Model modelObject) {
if (!newVersion) {
modelObject.setLastUpdated(new Date());
modelObject.setLastUpdatedBy(updatedBy.getId());
modelObject.setName(name);
modelObject.setKey(key);
modelObject.setDescription(description);
modelObject.setModelEditorJson(editorJson);
if (imageBytes != null) {
modelObject.setThumbnail(imageBytes);
}
} else {
ModelHistory historyModel = createNewModelhistory(modelObject);
persistModelHistory(historyModel);
modelObject.setVersion(modelObject.getVersion() + 1);
modelObject.setLastUpdated(new Date());
modelObject.setLastUpdatedBy(updatedBy.getId());
modelObject.setName(name);
modelObject.setKey(key);
modelObject.setDescription(description);
modelObject.setModelEditorJson(editorJson);
modelObject.setComment(newVersionComment);
if (imageBytes != null) {
modelObject.setThumbnail(imageBytes);
}
}
return persistModel(modelObject);
}
@Override
public void deleteModel(String modelId) {
Model model = modelRepository.get(modelId);
if (model == null) {
throw new IllegalArgumentException("No model found with id: " + modelId);
}
// Fetch current model history list
List history = modelHistoryRepository.findByModelId(model.getId());
// Move model to history and mark removed
ModelHistory historyModel = createNewModelhistory(model);
historyModel.setRemovalDate(Calendar.getInstance().getTime());
persistModelHistory(historyModel);
deleteModelAndChildren(model);
}
protected void deleteModelAndChildren(Model model) {
// Models have relations with each other, in all kind of wicked and funny ways.
// Hence, we remove first all relations, comments, etc. while collecting all models.
// Then, once all foreign key problem makers are removed, we remove the models
List allModels = new ArrayList<>();
internalDeleteModelAndChildren(model, allModels);
for (Model modelToDelete : allModels) {
modelRepository.delete(modelToDelete);
}
}
protected void internalDeleteModelAndChildren(Model model, List allModels) {
// Delete all related data
modelRelationRepository.deleteModelRelationsForParentModel(model.getId());
allModels.add(model);
}
@Override
public ReviveModelResultRepresentation reviveProcessModelHistory(ModelHistory modelHistory, User user, String newVersionComment) {
Model latestModel = modelRepository.get(modelHistory.getModelId());
if (latestModel == null) {
throw new IllegalArgumentException("No process model found with id: " + modelHistory.getModelId());
}
// Store the current model in history
ModelHistory latestModelHistory = createNewModelhistory(latestModel);
persistModelHistory(latestModelHistory);
// Populate the actual latest version with the properties in the historic model
latestModel.setVersion(latestModel.getVersion() + 1);
latestModel.setLastUpdated(new Date());
latestModel.setLastUpdatedBy(user.getId());
latestModel.setName(modelHistory.getName());
latestModel.setKey(modelHistory.getKey());
latestModel.setDescription(modelHistory.getDescription());
latestModel.setModelEditorJson(modelHistory.getModelEditorJson());
latestModel.setModelType(modelHistory.getModelType());
latestModel.setComment(newVersionComment);
persistModel(latestModel);
ReviveModelResultRepresentation result = new ReviveModelResultRepresentation();
// For apps, we need to make sure the referenced processes exist as models.
// It could be the user has deleted the process model in the meantime. We give back that info to the user.
if (latestModel.getModelType() == AbstractModel.MODEL_TYPE_APP) {
if (StringUtils.isNotEmpty(latestModel.getModelEditorJson())) {
try {
AppDefinition appDefinition = objectMapper.readValue(latestModel.getModelEditorJson(), AppDefinition.class);
for (AppModelDefinition appModelDefinition : appDefinition.getModels()) {
if (modelRepository.get(appModelDefinition.getId()) == null) {
result.getUnresolvedModels().add(new UnresolveModelRepresentation(appModelDefinition.getId(),
appModelDefinition.getName(), appModelDefinition.getLastUpdatedBy()));
}
}
} catch (Exception e) {
LOGGER.error("Could not deserialize app model json (id = {})", latestModel.getId(), e);
}
}
}
return result;
}
@Override
public BpmnModel getBpmnModel(AbstractModel model) {
BpmnModel bpmnModel = null;
try {
Map formMap = new HashMap<>();
Map decisionTableMap = new HashMap<>();
List referencedModels = modelRepository.findByParentModelId(model.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 = getBpmnModel(model, formMap, decisionTableMap);
} catch (Exception e) {
LOGGER.error("Could not generate BPMN 2.0 model for {}", model.getId(), e);
throw new InternalServerErrorException("Could not generate BPMN 2.0 model");
}
return bpmnModel;
}
@Override
public BpmnModel getBpmnModel(AbstractModel model, Map formMap, Map decisionTableMap) {
try {
ObjectNode editorJsonNode = (ObjectNode) objectMapper.readTree(model.getModelEditorJson());
Map formKeyMap = new HashMap<>();
for (Model formModel : formMap.values()) {
formKeyMap.put(formModel.getId(), formModel.getKey());
}
Map decisionTableKeyMap = new HashMap<>();
for (Model decisionTableModel : decisionTableMap.values()) {
decisionTableKeyMap.put(decisionTableModel.getId(), decisionTableModel.getKey());
}
return bpmnJsonConverter.convertToBpmnModel(editorJsonNode, formKeyMap, decisionTableKeyMap);
} catch (Exception e) {
LOGGER.error("Could not generate BPMN 2.0 model for {}", model.getId(), e);
throw new InternalServerErrorException("Could not generate BPMN 2.0 model");
}
}
@Override
public CmmnModel getCmmnModel(AbstractModel model) {
CmmnModel cmmnModel = null;
try {
Map formMap = new HashMap<>();
Map decisionTableMap = new HashMap<>();
Map caseModelMap = new HashMap<>();
Map processModelMap = new HashMap<>();
List referencedModels = modelRepository.findByParentModelId(model.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);
} else if (Model.MODEL_TYPE_CMMN == childModel.getModelType()) {
caseModelMap.put(childModel.getId(), childModel);
} else if (Model.MODEL_TYPE_BPMN == childModel.getModelType()) {
processModelMap.put(childModel.getId(), childModel);
}
}
cmmnModel = getCmmnModel(model, formMap, decisionTableMap, caseModelMap, processModelMap);
} catch (Exception e) {
LOGGER.error("Could not generate CMMN model for {}", model.getId(), e);
throw new InternalServerErrorException("Could not generate CMMN model");
}
return cmmnModel;
}
@Override
public CmmnModel getCmmnModel(AbstractModel model, Map formMap, Map decisionTableMap,
Map caseModelMap, Map processModelMap) {
try {
ObjectNode editorJsonNode = (ObjectNode) objectMapper.readTree(model.getModelEditorJson());
Map formKeyMap = convertToModelKeyMap(formMap);
Map decisionTableKeyMap = convertToModelKeyMap(decisionTableMap);
Map caseModelKeyMap = convertToModelKeyMap(caseModelMap);
Map processModelKeyMap = convertToModelKeyMap(processModelMap);
return cmmnJsonConverter.convertToCmmnModel(editorJsonNode, formKeyMap, decisionTableKeyMap, caseModelKeyMap, processModelKeyMap);
} catch (Exception e) {
LOGGER.error("Could not generate CMMN model for {}", model.getId(), e);
throw new InternalServerErrorException("Could not generate CMMN model");
}
}
protected void addOrUpdateExtensionElement(String name, String value, UserTask userTask) {
List extensionElements = userTask.getExtensionElements().get(name);
ExtensionElement extensionElement;
if (CollectionUtils.isNotEmpty(extensionElements)) {
extensionElement = extensionElements.get(0);
} else {
extensionElement = new ExtensionElement();
}
extensionElement.setNamespace(NAMESPACE);
extensionElement.setNamespacePrefix("modeler");
extensionElement.setName(name);
extensionElement.setElementText(value);
if (CollectionUtils.isEmpty(extensionElements)) {
userTask.addExtensionElement(extensionElement);
}
}
public Long getModelCountForUser(User user, int modelType) {
return modelRepository.countByModelTypeAndCreatedBy(modelType, user.getId());
}
protected Model persistModel(Model model) {
if (StringUtils.isNotEmpty(model.getModelEditorJson())) {
// Parse json to java
ObjectNode jsonNode = null;
try {
jsonNode = (ObjectNode) objectMapper.readTree(model.getModelEditorJson());
} catch (Exception e) {
LOGGER.error("Could not deserialize json model", e);
throw new InternalServerErrorException("Could not deserialize json model");
}
if ((model.getModelType() == null || model.getModelType().intValue() == Model.MODEL_TYPE_BPMN)) {
// Thumbnail
byte[] thumbnail = modelImageService.generateThumbnailImage(model, jsonNode);
if (thumbnail != null) {
model.setThumbnail(thumbnail);
}
modelRepository.save(model);
// Relations
handleBpmnProcessFormModelRelations(model, jsonNode);
handleBpmnProcessDecisionTaskModelRelations(model, jsonNode);
} else if (model.getModelType().intValue() == Model.MODEL_TYPE_CMMN) {
// Thumbnail
byte[] thumbnail = modelImageService.generateCmmnThumbnailImage(model, jsonNode);
if (thumbnail != null) {
model.setThumbnail(thumbnail);
}
modelRepository.save(model);
// Relations
handleCmmnFormModelRelations(model, jsonNode);
handleCmmnDecisionModelRelations(model, jsonNode);
handleCmmnCaseModelRelations(model, jsonNode);
handleCmmnProcessModelRelations(model, jsonNode);
} else if (model.getModelType().intValue() == Model.MODEL_TYPE_FORM ||
model.getModelType().intValue() == Model.MODEL_TYPE_DECISION_TABLE) {
jsonNode.put("name", model.getName());
jsonNode.put("key", model.getKey());
modelRepository.save(model);
} else if (model.getModelType().intValue() == Model.MODEL_TYPE_APP) {
modelRepository.save(model);
handleAppModelProcessRelations(model, jsonNode);
}
}
return model;
}
protected void persistModelHistory(ModelHistory modelHistory) {
modelHistoryRepository.save(modelHistory);
}
protected void handleBpmnProcessFormModelRelations(AbstractModel bpmnProcessModel, ObjectNode editorJsonNode) {
List formReferenceNodes = JsonConverterUtil.filterOutJsonNodes(JsonConverterUtil.getBpmnProcessModelFormReferences(editorJsonNode));
Set formIds = JsonConverterUtil.gatherStringPropertyFromJsonNodes(formReferenceNodes, "id");
handleModelRelations(bpmnProcessModel, formIds, ModelRelationTypes.TYPE_FORM_MODEL_CHILD);
}
protected void handleBpmnProcessDecisionTaskModelRelations(AbstractModel bpmnProcessModel, ObjectNode editorJsonNode) {
List decisionTableNodes = JsonConverterUtil.filterOutJsonNodes(JsonConverterUtil.getBpmnProcessModelDecisionTableReferences(editorJsonNode));
Set decisionTableIds = JsonConverterUtil.gatherStringPropertyFromJsonNodes(decisionTableNodes, "id");
handleModelRelations(bpmnProcessModel, decisionTableIds, ModelRelationTypes.TYPE_DECISION_TABLE_MODEL_CHILD);
}
protected void handleCmmnFormModelRelations(AbstractModel caseModel, ObjectNode editorJsonNode) {
List formReferenceNodes = CmmnModelJsonConverterUtil.filterOutJsonNodes(CmmnModelJsonConverterUtil.getCmmnModelFormReferences(editorJsonNode));
Set formIds = JsonConverterUtil.gatherStringPropertyFromJsonNodes(formReferenceNodes, "id");
handleModelRelations(caseModel, formIds, ModelRelationTypes.TYPE_FORM_MODEL_CHILD);
}
protected void handleCmmnDecisionModelRelations(AbstractModel caseModel, ObjectNode editorJsonNode) {
List processReferenceNodes = CmmnModelJsonConverterUtil.filterOutJsonNodes(CmmnModelJsonConverterUtil.getCmmnModelDecisionTableReferences(editorJsonNode));
Set processModelIds = JsonConverterUtil.gatherStringPropertyFromJsonNodes(processReferenceNodes, "id");
handleModelRelations(caseModel, processModelIds, ModelRelationTypes.TYPE_DECISION_TABLE_MODEL_CHILD);
}
protected void handleCmmnCaseModelRelations(AbstractModel caseModel, ObjectNode editorJsonNode) {
List caseReferenceNodes = CmmnModelJsonConverterUtil.filterOutJsonNodes(CmmnModelJsonConverterUtil.getCmmnModelCaseReferences(editorJsonNode));
Set caseModelIds = JsonConverterUtil.gatherStringPropertyFromJsonNodes(caseReferenceNodes, "id");
handleModelRelations(caseModel, caseModelIds, ModelRelationTypes.TYPE_CASE_MODEL_CHILD);
}
protected void handleCmmnProcessModelRelations(AbstractModel caseModel, ObjectNode editorJsonNode) {
List processReferenceNodes = CmmnModelJsonConverterUtil.filterOutJsonNodes(CmmnModelJsonConverterUtil.getCmmnModelProcessReferences(editorJsonNode));
Set processModelIds = JsonConverterUtil.gatherStringPropertyFromJsonNodes(processReferenceNodes, "id");
handleModelRelations(caseModel, processModelIds, ModelRelationTypes.TYPE_PROCESS_MODEL_CHILD);
}
protected void handleAppModelProcessRelations(AbstractModel appModel, ObjectNode appModelJsonNode) {
Set processModelIds = JsonConverterUtil.getAppModelReferencedModelIds(appModelJsonNode);
handleModelRelations(appModel, processModelIds, ModelRelationTypes.TYPE_PROCESS_MODEL);
}
/**
* Generic handling of model relations: deleting/adding where needed.
*/
protected void handleModelRelations(AbstractModel bpmnProcessModel, Set idsReferencedInJson, String relationshipType) {
// Find existing persisted relations
List persistedModelRelations = modelRelationRepository.findByParentModelIdAndType(bpmnProcessModel.getId(), relationshipType);
// if no ids referenced now, just delete them all
if (idsReferencedInJson == null || idsReferencedInJson.size() == 0) {
for (ModelRelation modelRelation : persistedModelRelations) {
modelRelationRepository.delete(modelRelation);
}
return;
}
Set alreadyPersistedModelIds = new HashSet<>(persistedModelRelations.size());
for (ModelRelation persistedModelRelation : persistedModelRelations) {
if (!idsReferencedInJson.contains(persistedModelRelation.getModelId())) {
// model used to be referenced, but not anymore. Delete it.
modelRelationRepository.delete(persistedModelRelation);
} else {
alreadyPersistedModelIds.add(persistedModelRelation.getModelId());
}
}
// Loop over all referenced ids and see which one are new
for (String idReferencedInJson : idsReferencedInJson) {
// if model is referenced, but it is not yet persisted = create it
if (!alreadyPersistedModelIds.contains(idReferencedInJson)) {
// Check if model actually still exists. Don't create the relationship if it doesn't exist. The client UI will have cope with this too.
if (modelRepository.get(idReferencedInJson) != null) {
modelRelationRepository.save(new ModelRelation(bpmnProcessModel.getId(), idReferencedInJson, relationshipType));
}
}
}
}
protected ModelHistory createNewModelhistory(Model model) {
ModelHistory historyModel = new ModelHistory();
historyModel.setName(model.getName());
historyModel.setKey(model.getKey());
historyModel.setDescription(model.getDescription());
historyModel.setCreated(model.getCreated());
historyModel.setLastUpdated(model.getLastUpdated());
historyModel.setCreatedBy(model.getCreatedBy());
historyModel.setLastUpdatedBy(model.getLastUpdatedBy());
historyModel.setModelEditorJson(model.getModelEditorJson());
historyModel.setModelType(model.getModelType());
historyModel.setVersion(model.getVersion());
historyModel.setModelId(model.getId());
historyModel.setComment(model.getComment());
historyModel.setTenantId(model.getTenantId());
return historyModel;
}
protected void populateModelBasedOnHistory(Model model, ModelHistory basedOn) {
model.setName(basedOn.getName());
model.setKey(basedOn.getKey());
model.setDescription(basedOn.getDescription());
model.setCreated(basedOn.getCreated());
model.setLastUpdated(basedOn.getLastUpdated());
model.setCreatedBy(basedOn.getCreatedBy());
model.setLastUpdatedBy(basedOn.getLastUpdatedBy());
model.setModelEditorJson(basedOn.getModelEditorJson());
model.setModelType(basedOn.getModelType());
model.setVersion(basedOn.getVersion());
model.setComment(basedOn.getComment());
model.setTenantId(basedOn.getTenantId());
}
protected Map convertToModelKeyMap(Map modelMap) {
Map modelKeyMap = new HashMap<>();
if (modelMap != null) {
for (Model formModel : modelMap.values()) {
modelKeyMap.put(formModel.getId(), formModel.getKey());
}
}
return modelKeyMap;
}
}
