SpringBoot系列——Activiti7工作流引擎（二）_activiti7 activityimpl

  流程图工具类ActivitiUtils

package com.mypro.activiti.utils;
 
 
import java.util.ArrayList;
 
import java.util.List;
 
 
 
 
import org.activiti.bpmn.model.BpmnModel;
 
import org.activiti.bpmn.model.FlowNode;
 
import org.activiti.bpmn.model.SequenceFlow;
 
import org.activiti.engine.history.HistoricActivityInstance;
 
import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
 
 
 
 
/**
 
 
 
 
 
 
 
 
<p>Activiti工作流工具类</p>
 
 
 
 
 
 
 
 
@author FRH
 
 
 
 
 
 
 
 
@time 2018年12月10日上午11:26:02
 
 
 
 
 
 
 
 
@version 1.0
 
*/
 
public class ActivitiUtils {
 
 
 
 
/**
 
 
 
 
 
 
 
 
<p>获取流程走过的线</p>
 
 
 
 
 
 
 
 
@param bpmnModel 流程对象模型
 
 
 
 
 
 
 
 
@param processDefinitionEntity 流程定义对象
 
 
 
 
 
 
 
 
@param historicActivityInstances 历史流程已经执行的节点，并已经按执行的先后顺序排序
 
 
 
 
 
 
 
 
@return List<String> 流程走过的线
 
 
 
 
 
 
 
 
@author FRH
 
 
 
 
 
 
 
 
@time 2018年12月10日上午11:26:19
 
 
 
 
 
 
 
 
@version 1.0
 
*/
 
public static List<String> getHighLightedFlows(BpmnModel bpmnModel, ProcessDefinitionEntity processDefinitionEntity, List<HistoricActivityInstance> historicActivityInstances) {
 
// 用以保存高亮的线flowId
 
List<String> highFlows = new ArrayList<String>();
 
if(historicActivityInstances == null || historicActivityInstances.size() == 0) return highFlows;
 
 
 
 
// 遍历历史节点
 
for (int i = 0; i < historicActivityInstances.size() - 1; i++) {
 
// 取出已执行的节点
 
HistoricActivityInstance activityImpl_ = historicActivityInstances.get(i);
 
 
 
 <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 用以保存后续开始时间相同的节点</span></span></span></span>
 List<FlowNode> sameStartTimeNodes = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> ArrayList<FlowNode>();
 
 <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 获取下一个节点（用于连线）</span></span></span></span>
 FlowNode sameActivityImpl = getNextFlowNode(bpmnModel, historicActivityInstances, i, activityImpl_);
 
 
 
 
 
 
 
 
 
 
 
 
//          FlowNode sameActivityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(historicActivityInstances.get(i + 1).getActivityId());
 
 
 
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 将后面第一个节点放在时间相同节点的集合里</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(sameActivityImpl != <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) sameStartTimeNodes.add(sameActivityImpl);
        
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 循环后面节点，看是否有与此后继节点开始时间相同的节点，有则添加到后继节点集合</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">for</span></span></span></span> (<span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">int</span></span></span></span> j = i + <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>; j < historicActivityInstances.size() - <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>; j++) {
            HistoricActivityInstance activityImpl1 = historicActivityInstances.get(j);<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 后续第一个节点</span></span></span></span>
            HistoricActivityInstance activityImpl2 = historicActivityInstances.get(j + <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>);<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 后续第二个节点</span></span></span></span>
            <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span> (activityImpl1.getStartTime().getTime() != activityImpl2.getStartTime().getTime()) <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">break</span></span></span></span>;
            
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 如果第一个节点和第二个节点开始时间相同保存</span></span></span></span>
            FlowNode sameActivityImpl2 = (FlowNode) bpmnModel.getMainProcess().getFlowElement(activityImpl2.getActivityId());
            sameStartTimeNodes.add(sameActivityImpl2);
        }
        
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 得到节点定义的详细信息</span></span></span></span>
        FlowNode activityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(historicActivityInstances.get(i).getActivityId());
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 取出节点的所有出去的线，对所有的线进行遍历</span></span></span></span>
        List<SequenceFlow> pvmTransitions = activityImpl.getOutgoingFlows();
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">for</span></span></span></span> (SequenceFlow pvmTransition : pvmTransitions) {
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 获取节点</span></span></span></span>
            FlowNode pvmActivityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(pvmTransition.getTargetRef());
            
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 不是后继节点</span></span></span></span>
            <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(!sameStartTimeNodes.contains(pvmActivityImpl)) <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">continue</span></span></span></span>;
            
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 如果取出的线的目标节点存在时间相同的节点里，保存该线的id，进行高亮显示</span></span></span></span>
            highFlows.add(pvmTransition.getId());
        }
    }
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">//返回高亮的线</span></span></span></span>
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> highFlows;
}
 
 
 
<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/**
 * <p>获取下一个节点信息</p>
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@param</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> bpmnModel 流程模型
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@param</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> historicActivityInstances 历史节点
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@param</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> i 当前已经遍历到的历史节点索引（找下一个节点从此节点后）
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@param</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> activityImpl_ 当前遍历到的历史节点实例
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@return</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> FlowNode 下一个节点信息
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@author</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> FRH
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@time</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> 2018年12月10日上午11:26:55
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@version</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> 1.0
 */</span></span></span></span>
<span class="hljs-function"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword">private</span></span></span></span></span></span></span><span class="hljs-function"><span class="hljs-function"><span class="hljs-function"> </span></span></span><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword">static</span></span></span></span></span></span></span><span class="hljs-function"><span class="hljs-function"><span class="hljs-function"> FlowNode </span></span></span><span class="hljs-title"><span class="hljs-function"><span class="hljs-title"><span class="hljs-function"><span class="hljs-title"><span class="hljs-function"><span class="hljs-title">getNextFlowNode</span></span></span></span></span></span></span><span class="hljs-params"><span class="hljs-function"><span class="hljs-params"><span class="hljs-function"><span class="hljs-params"><span class="hljs-function"><span class="hljs-params">(BpmnModel bpmnModel, List<HistoricActivityInstance> historicActivityInstances, </span></span></span></span></span></span><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-params"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-params"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-params"><span class="hljs-keyword">int</span></span></span></span></span></span></span></span></span></span><span class="hljs-function"><span class="hljs-params"><span class="hljs-function"><span class="hljs-params"><span class="hljs-function"><span class="hljs-params"> i, HistoricActivityInstance activityImpl_)</span></span></span></span></span></span></span><span class="hljs-function"><span class="hljs-function"><span class="hljs-function"> </span></span></span></span>{
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 保存后一个节点</span></span></span></span>
    FlowNode sameActivityImpl = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>;
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 如果当前节点不是用户任务节点，则取排序的下一个节点为后续节点</span></span></span></span>
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(!<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"userTask"</span></span></span></span>.equals(activityImpl_.getActivityType())) {
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 是最后一个节点，没有下一个节点</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(i == historicActivityInstances.size()) <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> sameActivityImpl;
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 不是最后一个节点，取下一个节点为后继节点</span></span></span></span>
        sameActivityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(historicActivityInstances.get(i + <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>).getActivityId());<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 找到紧跟在后面的一个节点</span></span></span></span>
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 返回</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> sameActivityImpl;
    }
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 遍历后续节点，获取当前节点后续节点</span></span></span></span>
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">for</span></span></span></span> (<span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">int</span></span></span></span> k = i + <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>; k <= historicActivityInstances.size() - <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>; k++) {
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 后续节点</span></span></span></span>
        HistoricActivityInstance activityImp2_ = historicActivityInstances.get(k);
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 都是userTask，且主节点与后续节点的开始时间相同，说明不是真实的后继节点</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"userTask"</span></span></span></span>.equals(activityImp2_.getActivityType()) && activityImpl_.getStartTime().getTime() == activityImp2_.getStartTime().getTime()) <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">continue</span></span></span></span>;
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 找到紧跟在后面的一个节点</span></span></span></span>
        sameActivityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(historicActivityInstances.get(k).getActivityId());
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">break</span></span></span></span>;
    }
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> sameActivityImpl;
}
 
 
 
 
}
 
 
 <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 用以保存后续开始时间相同的节点</span></span></span></span>
 List<FlowNode> sameStartTimeNodes = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> ArrayList<FlowNode>();
 
 <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 获取下一个节点（用于连线）</span></span></span></span>
 FlowNode sameActivityImpl = getNextFlowNode(bpmnModel, historicActivityInstances, i, activityImpl_);
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 将后面第一个节点放在时间相同节点的集合里</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(sameActivityImpl != <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) sameStartTimeNodes.add(sameActivityImpl);
        
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 循环后面节点，看是否有与此后继节点开始时间相同的节点，有则添加到后继节点集合</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">for</span></span></span></span> (<span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">int</span></span></span></span> j = i + <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>; j < historicActivityInstances.size() - <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>; j++) {
            HistoricActivityInstance activityImpl1 = historicActivityInstances.get(j);<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 后续第一个节点</span></span></span></span>
            HistoricActivityInstance activityImpl2 = historicActivityInstances.get(j + <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>);<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 后续第二个节点</span></span></span></span>
            <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span> (activityImpl1.getStartTime().getTime() != activityImpl2.getStartTime().getTime()) <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">break</span></span></span></span>;
            
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 如果第一个节点和第二个节点开始时间相同保存</span></span></span></span>
            FlowNode sameActivityImpl2 = (FlowNode) bpmnModel.getMainProcess().getFlowElement(activityImpl2.getActivityId());
            sameStartTimeNodes.add(sameActivityImpl2);
        }
        
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 得到节点定义的详细信息</span></span></span></span>
        FlowNode activityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(historicActivityInstances.get(i).getActivityId());
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 取出节点的所有出去的线，对所有的线进行遍历</span></span></span></span>
        List<SequenceFlow> pvmTransitions = activityImpl.getOutgoingFlows();
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">for</span></span></span></span> (SequenceFlow pvmTransition : pvmTransitions) {
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 获取节点</span></span></span></span>
            FlowNode pvmActivityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(pvmTransition.getTargetRef());
            
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 不是后继节点</span></span></span></span>
            <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(!sameStartTimeNodes.contains(pvmActivityImpl)) <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">continue</span></span></span></span>;
            
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 如果取出的线的目标节点存在时间相同的节点里，保存该线的id，进行高亮显示</span></span></span></span>
            highFlows.add(pvmTransition.getId());
        }
    }
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">//返回高亮的线</span></span></span></span>
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> highFlows;
}
 
 
 
<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/**
 * <p>获取下一个节点信息</p>
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@param</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> bpmnModel 流程模型
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class=