// 删除流程定义  
@Test
public void deleteById(){
   String deploymentId = "1500001";
   ProcessEngine processEngine = Configuration.getProcessEngine(); 
   //  有关联信息，抛异常
   processEngine.getRepositoryService().deleteDeployment(deploymentId);   
}

// 删除流程定义  
@Test
public void deleteById(){
   String deploymentId = "1500001";
   ProcessEngine processEngine = Configuration.getProcessEngine(); 
   //  有关联信息，会级联删除
  processEngine.getRepositoryService().deleteDeploymentCascade(deploymentId);  
}

//  删除流程定义  按照key
@Test
public void deleteByKey(){
   String key = "b";
   List<ProcessDefinition> list = processEngine.getRepositoryService()
     .createProcessDefinitionQuery()
     .processDefinitionKey(key)
     .list();
   //  遍历  删除
   if( list != null && list.size() > 0){
     for(ProcessDefinition processDefinition : list){
       System.out.println(processDefinition.getId());
   ProcessEngine processEngine = Configuration.getProcessEngine();              processEngine.getRepositoryService().
     deleteDeploymentCascade(processDefinition.getDeploymentId());
     }
   }
}

@Test  
public void get() throws Exception{
   ProcessEngine processEngine = Configuration.getProcessEngine(); 
   //  jbpm4_deployment表 DBID
   String deplotmentId = "1510001";   
   //  jbpm4_lob 表中deplotmentId对应的name_的值
   String resourceName = "test.png";  
   //  获取所有资源名称
   Set<String> names = processEngine.getRepositoryService().getResourceNames(deplotmentId);
   for(String name : names){
     System.out.println(name);
   }

   InputStream in = processEngine.getRepositoryService().getResourceAsStream(deplotmentId, resourceName);

   //  输出到本地文件 （路径自己指定，但要注意路径中包含的文件夹都存在）
   OutputStream outputStream = new FileOutputStream("d:/photoAlbum/process-" + deplotmentId +".png");
   for(int b = -1;(b = in.read()) != -1;){
     outputStream.write(b);
   }
   in.close();
   outputStream.close();
}

@Test  //  得到图片资源2
public void get2() throws IOException{
   //  jbpm4_execution 表中的 PROCDEFID
   String processDefinitionId = "test-2";
   ProcessDefinition processDefinition = processEngine.getRepositoryService()
     .createProcessDefinitionQuery()
     .processDefinitionId(processDefinitionId)
     .uniqueResult();

   InputStream in = processEngine.getRepositoryService().getResourceAsStream(processDefinition.getDeploymentId(), processDefinition.getImageResourceName());
   //    输出到本地文件
   OutputStream outputStream = new FileOutputStream("d:/photoAlbum/process/deplotmentImg/" + processDefinitionId + ".png");
   for(int b = -1;(b = in.read()) != -1;){
     outputStream.write(b);
   }
   in.close();
   outputStream.close();
}