解决Unknown property used in expression: ${nrOfActivelnstances == 0}

src/main/java/com/wflow/workflow/UELTools.java

@@ -2,15 +2,10 @@ package com.wflow.workflow;
 
 import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.collection.CollectionUtil;
-import cn.hutool.core.map.MapUtil;
 import cn.hutool.core.util.ArrayUtil;
 import cn.hutool.core.util.NumberUtil;
-import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.wflow.bean.do_.UserDeptDo;
-import com.wflow.bean.entity.WflowModelHistorys;
-import com.wflow.mapper.WflowModelHistorysMapper;
 import com.wflow.service.OrgRepositoryService;
-import com.wflow.utils.R;
 import com.wflow.workflow.bean.dto.ProcessInstanceOwnerDto;
 import com.wflow.workflow.bean.process.HttpDefinition;
 import com.wflow.workflow.bean.process.OrgUser;
@@ -22,19 +17,15 @@ import com.wflow.workflow.execute.HttpExecute;
 import com.wflow.workflow.execute.JsExecute;
 import com.wflow.workflow.service.UserDeptOrLeaderService;
 import com.zhgd.xmgl.tenant.TenantContextHolder;
-import com.zhgd.xmgl.tenant.TenantHandler;
 import lombok.extern.slf4j.Slf4j;
-import org.assertj.core.util.Maps;
 import org.flowable.engine.HistoryService;
 import org.flowable.engine.RepositoryService;
 import org.flowable.engine.RuntimeService;
+import org.flowable.engine.TaskService;
 import org.flowable.engine.delegate.DelegateExecution;
-import org.flowable.engine.history.HistoricProcessInstance;
 import org.flowable.engine.impl.persistence.entity.ExecutionEntity;
 import org.flowable.engine.repository.ProcessDefinition;
-import org.flowable.engine.runtime.ProcessInstance;
 import org.flowable.task.api.history.HistoricTaskInstance;
-import org.flowable.task.api.history.HistoricTaskInstanceQuery;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
@@ -64,6 +55,9 @@ public class UELTools {
     @Autowired
     private RuntimeService runtimeService;
 
+    @Autowired
+    private TaskService taskService;
+
     @Autowired
     private HistoryService historyService;
 
@@ -109,6 +103,44 @@ public class UELTools {
         return false;
     }
 
+    /**
+     * 判断节点是否结束，被flowable调用
+     *
+     * @param execution 上下文
+     * @param type      节点类型
+     * @return 是否结束
+     */
+    public boolean nodeIsComplete(ExecutionEntity execution, String type) {
+        //读取当前节点内3个变量: 已完成的任务数、任务总数、未处理的任务数
+        Number nrOfCompletedInstances = execution.getVariable("nrOfCompletedInstances", Number.class);
+        Number nrOfActiveInstances = execution.getVariable("nrOfActiveInstances", Number.class);
+        if (Objects.isNull(nrOfCompletedInstances)){
+            nrOfCompletedInstances = historyService.createHistoricTaskInstanceQuery()
+                    .processInstanceId(execution.getProcessInstanceId())
+                    .taskDefinitionKey(execution.getActivityId())
+                    .finished().count();
+        }
+        switch (type) {
+            case "OR":
+                return nrOfCompletedInstances.longValue() >= 0;
+            case "AND":
+            case "NEXT":
+                if (Objects.nonNull(nrOfActiveInstances)){
+                    return nrOfActiveInstances.longValue() == 0;
+                }else {
+                    Number nrOfInstances = execution.getVariable("nrOfInstances", Number.class);
+                    if (Objects.nonNull(nrOfInstances)){
+                        return nrOfCompletedInstances.equals(nrOfInstances);
+                    } else {
+                        //nrOfInstances和 nrOfActiveInstances 变量都不存在
+                        nrOfActiveInstances = taskService.createTaskQuery().active().count();
+                        return nrOfActiveInstances.longValue() == 0;
+                    }
+                }
+
+        }
+        return false;
+    }
 
 
     /**
@@ -122,7 +154,7 @@ public class UELTools {
             Map variable = execution.getVariable(WflowGlobalVarDef.WFLOW_NODE_PROPS, Map.class);
             DelayProps props = (DelayProps) variable.get(execution.getActivityId());
             String date = null;
-            if (DelayProps.Type.AUTO.equals(props.getType())){
+            if (DelayProps.Type.AUTO.equals(props.getType())) {
                 date = LocalDateTime.now().format(DateTimeFormatter.ISO_DATE) + "T" + props.getDateTime().trim();
             } else if (DelayProps.Type.PRECISE.equals(props.getType())) {
                 date = LocalDateTime.parse(props.getDateTime().trim(),
@@ -151,13 +183,14 @@ public class UELTools {
 
     /**
      * 校验条件公共函数
+     *
      * @param props 条件设置
      * @param ctx   变量
      * @return 校验结果
      */
-    public Boolean conditionCompare(ConditionProps props, Map<String, Object> ctx){
+    public Boolean conditionCompare(ConditionProps props, Map<String, Object> ctx) {
         //拿到前端的条件节点props设置项后开始校验条件
-        switch (props.getMode()){
+        switch (props.getMode()) {
             case SIMPLE:
                 return validateSimpleCd(props, ctx);
             case UEL:
@@ -168,17 +201,19 @@ public class UELTools {
                                 Boolean.class, ctx);
             case HTTP:
                 return new HttpExecute().execute(BeanUtil.mapToBean(props.getHttp(), HttpDefinition.class, true), executorService, Boolean.class, ctx);
-            default: return false;
+            default:
+                return false;
         }
     }
 
     /**
      * 校验简单模式条件设置
+     *
      * @param ctx   系统变量
      * @param props 条件设置项
      * @return 校验结果
      */
-    private Boolean validateSimpleCd(ConditionProps props, Map<String, Object> ctx){
+    private Boolean validateSimpleCd(ConditionProps props, Map<String, Object> ctx) {
         int groupConditionSuccess = 0;
         for (ConditionProps.Group group : props.getGroups()) {
             int subConditionSuccess = 0;
@@ -207,6 +242,7 @@ public class UELTools {
 
     /**
      * 子条件校验
+     *
      * @param condition  子条件配置
      * @param compareVal 子条件比较值
      * @return 校验结果
@@ -243,18 +279,18 @@ public class UELTools {
                 case "IN":
                     return values.contains(compareVal.toString());
                 case "DEPT":
-                    if (compareVal instanceof List){
+                    if (compareVal instanceof List) {
                         List<String> ids = ((List<Map>) compareVal).stream().map(v -> String.valueOf(v.get("id"))).collect(Collectors.toList());
-                        List<String> pids = values.stream().map(v -> String.valueOf(((Map)v).get("id"))).collect(Collectors.toList());
+                        List<String> pids = values.stream().map(v -> String.valueOf(((Map) v).get("id"))).collect(Collectors.toList());
                         for (String sid : ids) {
                             boolean result = false;
                             for (String pid : pids) {
-                                if (sid.equals(pid) || userDeptOrLeaderService.deptIsBelongToDept(sid, pid)){
+                                if (sid.equals(pid) || userDeptOrLeaderService.deptIsBelongToDept(sid, pid)) {
                                     result = true;
                                     break;
                                 }
                             }
-                            if (!result){
+                            if (!result) {
                                 return false;
                             }
                         }
@@ -271,14 +307,14 @@ public class UELTools {
                         }
                         return null;
                     }).collect(Collectors.toList());
-                    if (compareVal instanceof List){
+                    if (compareVal instanceof List) {
                         List<String> ids = ((List<Map>) compareVal).stream().map(v -> String.valueOf(v.get("id"))).collect(Collectors.toList());
                         for (String id : ids) {
-                            if (orgContains(id, orgs)){
+                            if (orgContains(id, orgs)) {
                                 return true;
                             }
                         }
-                    }else {
+                    } else {
                         return orgContains(String.valueOf(compareVal), orgs);
                     }
                     return false;
@@ -291,6 +327,7 @@ public class UELTools {
 
     /**
      * 获取流程实例上下文变量
+     *
      * @param execution 上下文
      * @return 流程实例上下文变量
      */
@@ -301,6 +338,7 @@ public class UELTools {
 
     /**
      * 获取流程实例上下文变量
+     *
      * @param instanceId 实例ID
      * @param defId      流程定义ID
      * @return 流程实例上下文变量
@@ -312,6 +350,7 @@ public class UELTools {
 
     /**
      * 组装流程实例上下文变量
+     *
      * @param instanceId 实例ID
      * @param defId      流程定义ID
      * @param variables  流程实例上下文变量
@@ -344,7 +383,7 @@ public class UELTools {
         return variables;
     }
 
-    private double toDouble(Object val){
+    private double toDouble(Object val) {
         return NumberUtil.parseNumber(val.toString()).doubleValue();
     }
 }

src/main/java/com/wflow/workflow/config/WflowGlobalVarDef.java

@@ -1,5 +1,6 @@
 package com.wflow.workflow.config;
 
+import com.baomidou.mybatisplus.annotation.DbType;
 import com.wflow.workflow.bean.process.OrgUser;
 
 import java.util.regex.Pattern;
@@ -9,6 +10,8 @@ import java.util.regex.Pattern;
  * @date : 2022/9/4
  */
 public class WflowGlobalVarDef {
+    //数据库类型，在启动时加载进去
+    public static DbType DB_TYPE = DbType.MYSQL;
 
     //审批自动驳回
     public static final String WFLOW_TASK_REFUSE = "WFLOW_TASK_REFUSE";
@@ -17,8 +20,20 @@ public class WflowGlobalVarDef {
 
     //流程Node节点变量KEY
     public static final String WFLOW_NODE_PROPS = "WFLOW_NODE_PROPS";
+
+    //最近一个审批的节点
+    public static final String PREVIOUS_AP_NODE = "PREVIOUS_AP_NODE";
+    //流程出现回退及节点驳回的标记
+    public static final String NODE_RETURN = "NODE_RETURN";
     //表单变量KEY
     public static final String WFLOW_FORMS = "WFLOW_FORMS";
+    //部门变量名
+    public static final String START_DEPT = "startDept";
+    //发起人信息变量名
+    public static final String OWNER = "owner";
+
+    //任务处理结果变量前缀
+    public static final String TASK_RES_PRE = "approve_";
 
     //系统审批管理员角色
     public static final String WFLOW_APPROVAL_ADMIN = "WFLOW_APPROVAL_ADMIN";