普元BPS 修改流程实例名称 

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//批量修改流程实例的基本属性.
//processInstID 流程实例ID
//attrubuteMap 基本属性
setProcessInstAttributeBatch(long processInstID, java.util.Map<java.lang.String,java.lang.Object> attrubuteMap)
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//实际只能修改（name、description、priority）这几个属性
//参考源代码WFProcessInstOperateImpl
private void setProcInstAttribute(WFProcessInstInternal procInst, String field, String value)
   throws WFServiceException
 {
   if (field.equals("name"))
     procInst.setProcessInstName(value);
   else if (field.equals("description"))
     procInst.setProcessInstDesc(value);
   else if (field.equals("priority"))
     if (StringUtil.isNullOrBlank(value))
       procInst.setPriority(60);
     else
       procInst.setPriority(Integer.parseInt(value));
   else
     throw new WFEngineException("Can not modify specified attributes of the process instance. procInstID=" + procInst.getProcessInstID() + ",field=" + field + ",value=" + value);
 }
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//修改某流程的名称
long processInstID = 576l;
Map<String, Object> attr = new HashMap<String, Object>();
attr.put("name", "流程实例名称");
attr.put("description", "流程实例描述");
Instance.getProcessInstManager().setProcessInstAttributeBatch(processInstID, attr);