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@ -1,35 +1,21 @@
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package cn.iocoder.yudao.module.bpm.framework.flowable.core.util;
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package cn.iocoder.yudao.module.bpm.framework.flowable.core.util;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.lang.Assert;
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import cn.hutool.core.map.MapUtil;
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import cn.hutool.core.util.ArrayUtil;
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import cn.hutool.core.util.ArrayUtil;
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import cn.hutool.core.util.StrUtil;
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import cn.iocoder.yudao.framework.common.util.number.NumberUtils;
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import cn.iocoder.yudao.framework.common.util.number.NumberUtils;
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import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.simple.BpmSimpleModelNodeVO;
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import cn.iocoder.yudao.module.bpm.enums.definition.BpmSimpleModelNodeType;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmnModelConstants;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmnModelConstants;
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import org.flowable.bpmn.BpmnAutoLayout;
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import org.flowable.bpmn.converter.BpmnXMLConverter;
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import org.flowable.bpmn.converter.BpmnXMLConverter;
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import org.flowable.bpmn.model.Process;
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import org.flowable.bpmn.model.Process;
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import org.flowable.bpmn.model.*;
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import org.flowable.bpmn.model.*;
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import org.flowable.common.engine.impl.scripting.ScriptingEngines;
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import org.flowable.common.engine.impl.util.io.BytesStreamSource;
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import org.flowable.common.engine.impl.util.io.BytesStreamSource;
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import java.util.ArrayList;
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import java.util.*;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import static org.flowable.bpmn.constants.BpmnXMLConstants.*;
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/**
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/**
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* 流程模型转操作工具类
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* 流程模型转操作工具类
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*/
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*/
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public class BpmnModelUtils {
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public class BpmnModelUtils {
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public static final String BPMN_SIMPLE_COPY_EXECUTION_SCRIPT = "#{bpmSimpleNodeService.copy(execution)}";
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public static Integer parseCandidateStrategy(FlowElement userTask) {
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public static Integer parseCandidateStrategy(FlowElement userTask) {
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return NumberUtils.parseInt(userTask.getAttributeValue(
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return NumberUtils.parseInt(userTask.getAttributeValue(
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BpmnModelConstants.NAMESPACE, BpmnModelConstants.USER_TASK_CANDIDATE_STRATEGY));
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BpmnModelConstants.NAMESPACE, BpmnModelConstants.USER_TASK_CANDIDATE_STRATEGY));
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@ -340,196 +326,4 @@ public class BpmnModelUtils {
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return userTaskList;
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return userTaskList;
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}
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}
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// ========== TODO 芋艿：这里得捉摸下； ==========
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/**
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* 仿钉钉流程设计模型数据结构(json) 转换成 Bpmn Model (待完善）
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*
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* @param processId 流程标识
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* @param processName 流程名称
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* @param simpleModelNode 仿钉钉流程设计模型数据结构
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* @return Bpmn Model
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*/
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public static BpmnModel convertSimpleModelToBpmnModel(String processId, String processName, BpmSimpleModelNodeVO simpleModelNode) {
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BpmnModel bpmnModel = new BpmnModel();
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Process mainProcess = new Process();
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mainProcess.setId(processId);
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mainProcess.setName(processName);
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mainProcess.setExecutable(Boolean.TRUE);
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bpmnModel.addProcess(mainProcess);
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// 前端模型数据结构。 有 start event 节点. 没有 end event 节点。
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// 添加 FlowNode
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addBpmnFlowNode(mainProcess, simpleModelNode);
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// 单独添加 end event 节点
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addBpmnEndEventNode(mainProcess);
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// 添加节点之间的连线 Sequence Flow
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addBpmnSequenceFlow(mainProcess, simpleModelNode, BpmnModelConstants.END_EVENT_ID);
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// 自动布局
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new BpmnAutoLayout(bpmnModel).execute();
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return bpmnModel;
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}
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private static void addBpmnSequenceFlow(Process mainProcess, BpmSimpleModelNodeVO node, String endId) {
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// 节点为 null 退出
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if (node == null || node.getId() == null) {
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return;
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}
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BpmSimpleModelNodeVO childNode = node.getChildNode();
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// 如果不是网关节点、且后续节点为 null. 添加与结束节点的连线
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if (!BpmSimpleModelNodeType.isGatewayNode(node.getType()) && (childNode == null || childNode.getId() == null)) {
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addBpmnSequenceFlowElement(mainProcess, node.getId(), endId, null, null);
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return;
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}
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BpmSimpleModelNodeType nodeType = BpmSimpleModelNodeType.valueOf(node.getType());
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Assert.notNull(nodeType, "模型节点类型不支持");
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switch (nodeType) {
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case START_EVENT_NODE:
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case APPROVE_USER_NODE:
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case SCRIPT_TASK_NODE: {
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addBpmnSequenceFlowElement(mainProcess, node.getId(), childNode.getId(), null, null);
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// 递归调用后续节点
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addBpmnSequenceFlow(mainProcess, childNode, endId);
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break;
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}
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case EXCLUSIVE_GATEWAY_NODE: {
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String gateWayEndId = (childNode == null || childNode.getId() == null) ? BpmnModelConstants.END_EVENT_ID : childNode.getId();
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List<BpmSimpleModelNodeVO> conditionNodes = node.getConditionNodes();
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Assert.notEmpty(conditionNodes, "网关节点的条件节点不能为空");
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for (int i = 0; i < conditionNodes.size(); i++) {
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BpmSimpleModelNodeVO item = conditionNodes.get(i);
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BpmSimpleModelNodeVO nextNodeOnCondition = item.getChildNode();
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if (nextNodeOnCondition != null && nextNodeOnCondition.getId() != null) {
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addBpmnSequenceFlowElement(mainProcess, node.getId(), nextNodeOnCondition.getId(),
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String.format("%s_SequenceFlow_%d", node.getId(), i + 1), null);
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addBpmnSequenceFlow(mainProcess, nextNodeOnCondition, gateWayEndId);
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} else {
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addBpmnSequenceFlowElement(mainProcess, node.getId(), gateWayEndId,
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String.format("%s_SequenceFlow_%d", node.getId(), i + 1), null);
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}
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}
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// 递归调用后续节点
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addBpmnSequenceFlow(mainProcess, childNode, endId);
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break;
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}
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default: {
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// TODO 其它节点类型的实现
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}
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}
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}
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private static void addBpmnSequenceFlowElement(Process mainProcess, String sourceId, String targetId, String seqFlowId, String conditionExpression) {
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SequenceFlow sequenceFlow = new SequenceFlow(sourceId, targetId);
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if (StrUtil.isNotEmpty(conditionExpression)) {
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sequenceFlow.setConditionExpression(conditionExpression);
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}
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if (StrUtil.isNotEmpty(seqFlowId)) {
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sequenceFlow.setId(seqFlowId);
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}
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mainProcess.addFlowElement(sequenceFlow);
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}
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private static void addBpmnFlowNode(Process mainProcess, BpmSimpleModelNodeVO simpleModelNode) {
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// 节点为 null 退出
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if (simpleModelNode == null || simpleModelNode.getId() == null) {
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return;
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}
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BpmSimpleModelNodeType nodeType = BpmSimpleModelNodeType.valueOf(simpleModelNode.getType());
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Assert.notNull(nodeType, "模型节点类型不支持");
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switch (nodeType) {
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case START_EVENT_NODE:
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addBpmnStartEventNode(mainProcess, simpleModelNode);
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break;
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case APPROVE_USER_NODE:
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addBpmnUserTaskNode(mainProcess, simpleModelNode);
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break;
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case SCRIPT_TASK_NODE:
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addBpmnScriptTaSskNode(mainProcess, simpleModelNode);
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break;
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case EXCLUSIVE_GATEWAY_NODE:
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addBpmnExclusiveGatewayNode(mainProcess, simpleModelNode);
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break;
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default: {
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// TODO 其它节点类型的实现
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}
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}
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// 如果不是网关类型的接口， 并且chileNode为空退出
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if (!BpmSimpleModelNodeType.isGatewayNode(simpleModelNode.getType()) && simpleModelNode.getChildNode() == null) {
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return;
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}
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// 如果是网关类型接口. 递归添加条件节点
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if (BpmSimpleModelNodeType.isGatewayNode(simpleModelNode.getType()) && ArrayUtil.isNotEmpty(simpleModelNode.getConditionNodes())) {
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for (BpmSimpleModelNodeVO node : simpleModelNode.getConditionNodes()) {
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addBpmnFlowNode(mainProcess, node.getChildNode());
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}
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}
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// chileNode不为空，递归添加子节点
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if (simpleModelNode.getChildNode() != null) {
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addBpmnFlowNode(mainProcess, simpleModelNode.getChildNode());
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}
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}
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private static void addBpmnScriptTaSskNode(Process mainProcess, BpmSimpleModelNodeVO node) {
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ScriptTask scriptTask = new ScriptTask();
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scriptTask.setId(node.getId());
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scriptTask.setName(node.getName());
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scriptTask.setScriptFormat(ScriptingEngines.DEFAULT_SCRIPTING_LANGUAGE);
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scriptTask.setScript(BPMN_SIMPLE_COPY_EXECUTION_SCRIPT);
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// 添加自定义属性
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addExtensionAttributes(node, scriptTask);
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mainProcess.addFlowElement(scriptTask);
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}
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private static void addExtensionAttributes(BpmSimpleModelNodeVO node, FlowElement flowElement) {
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Integer candidateStrategy = MapUtil.getInt(node.getAttributes(), BpmnModelConstants.USER_TASK_CANDIDATE_STRATEGY);
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addExtensionAttributes(flowElement, BpmnModelConstants.NAMESPACE, BpmnModelConstants.USER_TASK_CANDIDATE_STRATEGY,
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candidateStrategy == null ? null : String.valueOf(candidateStrategy));
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addExtensionAttributes(flowElement, BpmnModelConstants.NAMESPACE, BpmnModelConstants.USER_TASK_CANDIDATE_PARAM,
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MapUtil.getStr(node.getAttributes(), BpmnModelConstants.USER_TASK_CANDIDATE_PARAM));
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}
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private static void addBpmnExclusiveGatewayNode(Process mainProcess, BpmSimpleModelNodeVO node) {
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Assert.notEmpty(node.getConditionNodes(), "网关节点的条件节点不能为空");
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ExclusiveGateway exclusiveGateway = new ExclusiveGateway();
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exclusiveGateway.setId(node.getId());
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// 条件节点的最后一个条件为 网关的 default sequence flow
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exclusiveGateway.setDefaultFlow(String.format("%s_SequenceFlow_%d", node.getId(), node.getConditionNodes().size()));
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mainProcess.addFlowElement(exclusiveGateway);
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}
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private static void addBpmnEndEventNode(Process mainProcess) {
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EndEvent endEvent = new EndEvent();
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endEvent.setId(BpmnModelConstants.END_EVENT_ID);
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endEvent.setName("结束");
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mainProcess.addFlowElement(endEvent);
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}
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private static void addBpmnUserTaskNode(Process mainProcess, BpmSimpleModelNodeVO node) {
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UserTask userTask = new UserTask();
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userTask.setId(node.getId());
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userTask.setName(node.getName());
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addExtensionAttributes(node, userTask);
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mainProcess.addFlowElement(userTask);
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}
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private static void addExtensionAttributes(FlowElement element, String namespace, String name, String value) {
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if (value == null) {
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return;
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}
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ExtensionAttribute extensionAttribute = new ExtensionAttribute(name, value);
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extensionAttribute.setNamespace(namespace);
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extensionAttribute.setNamespacePrefix(FLOWABLE_EXTENSIONS_PREFIX);
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element.addAttribute(extensionAttribute);
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}
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private static void addBpmnStartEventNode(Process mainProcess, BpmSimpleModelNodeVO node) {
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StartEvent startEvent = new StartEvent();
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startEvent.setId(node.getId());
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startEvent.setName(node.getName());
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mainProcess.addFlowElement(startEvent);
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}
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}
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}
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芋道源码
2 years ago
committed by
Gitee