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Java ProcessDiagramGenerator类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Java中org.activiti.image.ProcessDiagramGenerator的典型用法代码示例。如果您正苦于以下问题:Java ProcessDiagramGenerator类的具体用法?Java ProcessDiagramGenerator怎么用?Java ProcessDiagramGenerator使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



ProcessDiagramGenerator类属于org.activiti.image包,在下文中一共展示了ProcessDiagramGenerator类的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: getWorkflowImage

import org.activiti.image.ProcessDiagramGenerator; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
public InputStream getWorkflowImage(String workflowInstanceId)
{
    String processInstanceId = createLocalId(workflowInstanceId);
    ExecutionEntity pi = (ExecutionEntity) runtimeService.createProcessInstanceQuery()
                .processInstanceId(processInstanceId).singleResult();

    // If the process is finished, there is no diagram available
    if (pi != null)
    {
        // Fetch the bpmn model
        BpmnModel model = repoService.getBpmnModel(pi.getProcessDefinitionId());

        if (model != null && model.getLocationMap().size() > 0) 
        {              
            ProcessDiagramGenerator generator = new DefaultProcessDiagramGenerator();
            return generator.generateDiagram(model,
                  ActivitiConstants.PROCESS_INSTANCE_IMAGE_FORMAT,
                  runtimeService.getActiveActivityIds(processInstanceId)); 
        }
    }
    return null;
}
 
开发者ID:Alfresco,项目名称:alfresco-repository,代码行数:26,代码来源:ActivitiWorkflowEngine.java


示例2: readResource

import org.activiti.image.ProcessDiagramGenerator; //导入依赖的package包/类
/**
     * 读取带跟踪的图片
     */
    @RequestMapping(value = "/process/trace/auto/{executionId}")
    public void readResource(@PathVariable("executionId") String executionId, HttpServletResponse response)
            throws Exception {
        ProcessInstance processInstance = runtimeService.createProcessInstanceQuery().processInstanceId(executionId).singleResult();
        BpmnModel bpmnModel = repositoryService.getBpmnModel(processInstance.getProcessDefinitionId());
        List<String> activeActivityIds = runtimeService.getActiveActivityIds(executionId);
        // 不使用spring请使用下面的两行代码
//    ProcessEngineImpl defaultProcessEngine = (ProcessEngineImpl) ProcessEngines.getDefaultProcessEngine();
//    Context.setProcessEngineConfiguration(defaultProcessEngine.getProcessEngineConfiguration());

        // 使用spring注入引擎请使用下面的这行代码
        processEngineConfiguration = processEngine.getProcessEngineConfiguration();
        Context.setProcessEngineConfiguration((ProcessEngineConfigurationImpl) processEngineConfiguration);

        ProcessDiagramGenerator diagramGenerator = processEngineConfiguration.getProcessDiagramGenerator();
        InputStream imageStream = diagramGenerator.generateDiagram(bpmnModel, "png", activeActivityIds);

        // 输出资源内容到相应对象
        byte[] b = new byte[1024];
        int len;
        while ((len = imageStream.read(b, 0, 1024)) != -1) {
            response.getOutputStream().write(b, 0, len);
        }
    }
 
开发者ID:batizhao,项目名称:microservice,代码行数:28,代码来源:ActivitiController.java


示例3: readResource

import org.activiti.image.ProcessDiagramGenerator; //导入依赖的package包/类
/**
 * 读取流程资源
 */
@RequestMapping(value = "trace/data/auto/{executionId}")
public void readResource(@PathVariable("executionId") String executionId, HttpServletResponse response)
        throws Exception {
    ProcessInstance processInstance = runtimeService.createProcessInstanceQuery().processInstanceId(executionId).singleResult();
    BpmnModel bpmnModel = repositoryService.getBpmnModel(processInstance.getProcessDefinitionId());
    ProcessDefinitionEntity processDefinition = (ProcessDefinitionEntity) repositoryService.createProcessDefinitionQuery().processDefinitionId(processInstance.getProcessDefinitionId()).singleResult();
    List<String> activeActivityIds = runtimeService.getActiveActivityIds(executionId);
    List<String> highLightedFlows = getHighLightedFlows(processDefinition, processInstance.getId());
    ProcessDiagramGenerator diagramGenerator = processEngineConfiguration.getProcessDiagramGenerator();
    InputStream imageStream =diagramGenerator.generateDiagram(bpmnModel, "png", activeActivityIds, highLightedFlows);

    // 输出资源内容到相应对象
    byte[] b = new byte[1024];
    int len;
    while ((len = imageStream.read(b, 0, 1024)) != -1) {
        response.getOutputStream().write(b, 0, len);
    }
}
 
开发者ID:shawn-gogh,项目名称:myjavacode,代码行数:22,代码来源:TraceProcessController.java


示例4: readResource

import org.activiti.image.ProcessDiagramGenerator; //导入依赖的package包/类
/**
 * 读取流程资源
 */
@RequestMapping(value = "trace/data/auto/{executionId}")
public void readResource(@PathVariable("executionId") String executionId, HttpServletResponse response)
        throws Exception {
    ProcessInstance processInstance = runtimeService.createProcessInstanceQuery().processInstanceId(executionId).singleResult();
    BpmnModel bpmnModel = repositoryService.getBpmnModel(processInstance.getProcessDefinitionId());
    ProcessDefinitionEntity processDefinition = (ProcessDefinitionEntity) repositoryService.createProcessDefinitionQuery().processDefinitionId(processInstance.getProcessDefinitionId()).singleResult();
    List<String> activeActivityIds = runtimeService.getActiveActivityIds(executionId);
    ProcessDiagramGenerator diagramGenerator = processEngineConfiguration.getProcessDiagramGenerator();
    List<String> highLightedFlows = getHighLightedFlows(processDefinition, processInstance.getId());
    InputStream imageStream =diagramGenerator.generateDiagram(bpmnModel, "png", activeActivityIds, highLightedFlows);

    // 输出资源内容到相应对象
    byte[] b = new byte[1024];
    int len;
    while ((len = imageStream.read(b, 0, 1024)) != -1) {
        response.getOutputStream().write(b, 0, len);
    }
}
 
开发者ID:shawn-gogh,项目名称:myjavacode,代码行数:22,代码来源:TraceProcessController.java


示例5: getDiagramByte

import org.activiti.image.ProcessDiagramGenerator; //导入依赖的package包/类
private static byte[] getDiagramByte(ProcessInstance pi) throws Exception {
	byte[] data = null;
	ProcessDiagramGenerator processDiagramGenerator = new DefaultProcessDiagramGenerator();
	BpmnModel model = repositoryService.getBpmnModel(pi.getProcessDefinitionId());
	InputStream is = processDiagramGenerator.generateDiagram(
			model, 
			"png", 
			runtimeService.getActiveActivityIds(pi.getId()));
	data = IOUtils.toByteArray(is);
	is.close();
	is = null;	
	return data;
}
 
开发者ID:billchen198318,项目名称:bamboobsc,代码行数:14,代码来源:BusinessProcessManagementUtils.java


示例6: getProcessImage

import org.activiti.image.ProcessDiagramGenerator; //导入依赖的package包/类
@Override
public BinaryResource getProcessImage(String processId)
{
    validateIfUserAllowedToWorkWithProcess(processId);
    
    ProcessInstance processInstance = activitiProcessEngine.getRuntimeService()
            .createProcessInstanceQuery()
            .processInstanceId(processId)
            .singleResult();
    
    if (processInstance == null)
    {
        throw new EntityNotFoundException(processId);
    }
    
    try
    {
    	BpmnModel model = activitiProcessEngine.getRepositoryService().getBpmnModel(processInstance.getProcessDefinitionId());
        
        if(model != null && model.getLocationMap().size() > 0)
        {
            List<String> activeActivities = activitiProcessEngine.getRuntimeService().getActiveActivityIds(processId);
            ProcessDiagramGenerator generator = new DefaultProcessDiagramGenerator();
            InputStream generateDiagram = generator.generateDiagram(model, "png", activeActivities);
            
            File file = TempFileProvider.createTempFile(processId + UUID.randomUUID(), ".png");
            FileOutputStream fos = new FileOutputStream(file);
            IOUtils.copy(generateDiagram, fos);
            fos.close();
            
            return new FileBinaryResource(file);
        }
        else
        {
            throw new EntityNotFoundException(processId + "/image");
        }
    }
    catch (IOException error)
    {
        throw new ApiException("Error while getting process image.");
    }
}
 
开发者ID:Alfresco,项目名称:alfresco-remote-api,代码行数:43,代码来源:ProcessesImpl.java


示例7: generateImage

import org.activiti.image.ProcessDiagramGenerator; //导入依赖的package包/类
/**
 * 生成流程实例的流程图片,并重点高亮当前节点,高亮已经执行的链路
 *
 * @param instanceId 流程实例
 * @param request
 * @return 第二个参数为生成的图片路径
 */
@RequestMapping(value = "/processinstance/generate/{instanceId}", method = RequestMethod.POST)
@ResponseBody
public Result generateImage(@PathVariable("instanceId") String instanceId, HttpServletRequest request) {
    try {
        String dirPath = request.getRealPath("/");
        ProcessInstance processInstance=runtimeService.createProcessInstanceQuery().processInstanceId(instanceId)
                .singleResult();
        BpmnModel bpmnModel;
        List<String> activeActivityIds=new ArrayList<>();
        String processDefinitionId;
        //存在活动节点,流程正在进行中
        if(processInstance!=null) {
            processDefinitionId=processInstance.getProcessDefinitionId();
            //task = taskService.createTaskQuery().processInstanceId(instanceId).singleResult();
            //流程定义
            //正在活动的节点
            activeActivityIds = runtimeService.getActiveActivityIds(instanceId);//(task.getExecutionId());
        }else {
            //流程已经结束
            HistoricProcessInstance instance=historyService.createHistoricProcessInstanceQuery()
                    .processInstanceId(instanceId).singleResult();
            processDefinitionId=instance.getProcessDefinitionId();
        }

        bpmnModel = repositoryService.getBpmnModel(processDefinitionId);

        ProcessDiagramGenerator pdg = processEngine.getProcessEngineConfiguration().getProcessDiagramGenerator();

        //-------------------------------executedActivityIdList已经执行的节点------------------------------------
        List<HistoricActivityInstance> historicActivityInstanceList = historyService
                .createHistoricActivityInstanceQuery()
                .processInstanceId(instanceId).orderByHistoricActivityInstanceStartTime().asc().list();

        // 已执行的节点ID集合
        List<String> executedActivityIdList = new ArrayList<>();
        for (HistoricActivityInstance activityInstance : historicActivityInstanceList) {
            executedActivityIdList.add(activityInstance.getActivityId());
        }

        ProcessDefinition processDefinition = repositoryService.getProcessDefinition(processDefinitionId);
        String resourceName = instanceId + "_" + processDefinition.getDiagramResourceName();

        List<String> highLightedFlows = getHighLightedFlows((ProcessDefinitionEntity) processDefinition,
                historicActivityInstanceList);

        //生成流图片 所有走过的节点高亮 第三个参数 activeActivityIds=当前活动节点点高亮;executedActivityIdList=已经执行过的节点高亮
        InputStream inputStream = pdg.generateDiagram(bpmnModel, "PNG", activeActivityIds, highLightedFlows,
                processEngine.getProcessEngineConfiguration().getActivityFontName(),
                processEngine.getProcessEngineConfiguration().getLabelFontName(),
                processEngine.getProcessEngineConfiguration().getActivityFontName(),
                processEngine.getProcessEngineConfiguration().getProcessEngineConfiguration().getClassLoader(), 1);

        resourceName=DateUtil.format(new Date(),"yyyyMMddHHmmss")+"_"+resourceName;
        //生成本地图片
        String realPath = dirPath + File.separator + DIR_PATH + File.separator + resourceName;
        realPath=realPath.replaceAll("\\\\", "/");
        File file = new File(realPath);
        if (file.exists()) {
            file.delete();
        }
        FileUtil.copyInputStreamToFile(inputStream, file);
        String realName = (DIR_PATH + File.separator + resourceName).replaceAll("\\\\", "/");
        inputStream.close();
        return new Result(true, realName, "成功生成png");
    } catch (Exception e) {
        LOGGER.error("生成图像文件异常,instanceId={}", instanceId, e);
        return new Result(false);
    }
}
 
开发者ID:bill1012,项目名称:AdminEAP,代码行数:77,代码来源:ProcessInstanceController.java



注:本文中的org.activiti.image.ProcessDiagramGenerator类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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