public Object execute(CommandContext commandContext) {
if (processInstanceId == null) {
throw new ActivitiException("processInstanceId is null");
}
// Check if process instance is still running
HistoricProcessInstance instance =
commandContext
.getHistoricProcessInstanceManager()
.findHistoricProcessInstance(processInstanceId);
if (instance == null) {
throw new ActivitiException(
"No historic process instance found with id: " + processInstanceId);
}
if (instance.getEndTime() == null) {
throw new ActivitiException(
"Process instance is still running, cannot delete historic process instance: "
+ processInstanceId);
}
commandContext
.getHistoricProcessInstanceManager()
.deleteHistoricProcessInstanceById(processInstanceId);
return null;
}
/**
* Process variation over time i.e. tasks started and completed over the months
*
* @return array with the no. of processes started and completed over the months
*/
@GET
@Path("/processVariation/")
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
public ResponseHolder processVariationOverTime() {
ResponseHolder response = new ResponseHolder();
List list = new ArrayList();
String[] MONTHS = {
"Jan", "Feb", "March", "April", "May", "June", "July", "Aug", "Sep", "Oct", "Nov", "Dec"
};
SimpleDateFormat ft = new SimpleDateFormat("M");
InstanceStatPerMonth[] processStatPerMonths = new InstanceStatPerMonth[12];
for (int i = 0; i < processStatPerMonths.length; i++) {
processStatPerMonths[i] = new InstanceStatPerMonth();
processStatPerMonths[i].setMonth(MONTHS[i]);
processStatPerMonths[i].setCompletedInstances(0);
processStatPerMonths[i].setStartedInstances(0);
}
// Get completed process instances
List<HistoricProcessInstance> completedProcesses =
BPMNOSGIService.getHistoryService()
.createHistoricProcessInstanceQuery()
.processInstanceTenantId(str)
.finished()
.list();
for (HistoricProcessInstance instance : completedProcesses) {
int startTime = Integer.parseInt(ft.format(instance.getStartTime()));
int endTime = Integer.parseInt(ft.format(instance.getEndTime()));
processStatPerMonths[startTime - 1].setStartedInstances(
processStatPerMonths[startTime - 1].getStartedInstances() + 1);
processStatPerMonths[endTime - 1].setCompletedInstances(
processStatPerMonths[endTime - 1].getCompletedInstances() + 1);
}
// Get active process instances
List<HistoricProcessInstance> activeProcesses =
BPMNOSGIService.getHistoryService()
.createHistoricProcessInstanceQuery()
.processInstanceTenantId(str)
.unfinished()
.list();
for (HistoricProcessInstance instance : activeProcesses) {
int startTime = Integer.parseInt(ft.format(instance.getStartTime()));
processStatPerMonths[startTime - 1].setStartedInstances(
processStatPerMonths[startTime - 1].getStartedInstances() + 1);
}
for (int i = 0; i < processStatPerMonths.length; i++) {
list.add(processStatPerMonths[i]);
}
response.setData(list);
return response;
}
/**
* Convert historic process instances to BPMN process instances
*
* @param historicProcessInstanceList List of historic process instances
* @return BPMNProcessInstance array
*/
private BPMNProcessInstance[] getBPMNProcessInstances(
List<HistoricProcessInstance> historicProcessInstanceList) {
BPMNProcessInstance bpmnProcessInstance;
List<BPMNProcessInstance> bpmnProcessInstances = new ArrayList<>();
for (HistoricProcessInstance instance : historicProcessInstanceList) {
bpmnProcessInstance = new BPMNProcessInstance();
bpmnProcessInstance.setProcessDefinitionId(instance.getProcessDefinitionId());
bpmnProcessInstance.setTenantId(instance.getTenantId());
bpmnProcessInstance.setName(instance.getName());
bpmnProcessInstance.setInstanceId(instance.getId());
bpmnProcessInstance.setBusinessKey(instance.getBusinessKey());
bpmnProcessInstance.setStartTime(instance.getStartTime());
bpmnProcessInstance.setEndTime(instance.getEndTime());
bpmnProcessInstance.setDuration(instance.getDurationInMillis());
bpmnProcessInstance.setStartUserId(instance.getStartUserId());
bpmnProcessInstance.setStartActivityId(instance.getStartActivityId());
bpmnProcessInstance.setVariables(formatVariables(instance.getProcessVariables()));
bpmnProcessInstances.add(bpmnProcessInstance);
}
return bpmnProcessInstances.toArray(new BPMNProcessInstance[bpmnProcessInstances.size()]);
}
@Test
@Deployment(resources = {"chapter4/bookorder.bpmn20.xml"})
public void queryHistoricInstances() {
String processInstanceID = startAndComplete();
HistoryService historyService = activitiRule.getHistoryService();
HistoricProcessInstance historicProcessInstance =
historyService
.createHistoricProcessInstanceQuery()
.processInstanceId(processInstanceID)
.singleResult();
assertNotNull(historicProcessInstance);
assertEquals(processInstanceID, historicProcessInstance.getId());
System.out.println(
"history process with definition id "
+ historicProcessInstance.getProcessDefinitionId()
+ ", started at "
+ historicProcessInstance.getStartTime()
+ ", ended at "
+ historicProcessInstance.getEndTime()
+ ", duration was "
+ historicProcessInstance.getDurationInMillis());
}
/**
* @Title: myWorkTaskData @Description: TODO
*
* @param request
* @param response
* @param dataGrid void
* @throws
* @exception
* @author fly
* @date 2015年6月23日 上午10:20:42
*/
@RequestMapping(params = "myWorkTaskData")
public void myWorkTaskData(
HttpServletRequest request, HttpServletResponse response, DataGrid dataGrid) {
String userId = ResourceUtil.getSessionUserName().getId();
// involvedUser 当前用户相关的
HistoricProcessInstanceQuery query =
historyService.createHistoricProcessInstanceQuery().involvedUser(userId);
List<HistoricProcessInstance> historicTasks =
query
.orderByProcessInstanceStartTime()
.desc()
.listPage(dataGrid.getStart(), dataGrid.getEnd());
long total = query.count();
System.out.println(dataGrid.getStart() + " end: " + dataGrid.getEnd());
StringBuffer rows = new StringBuffer();
for (HistoricProcessInstance t : historicTasks) {
ProcessDefinition processDefinition =
repositoryService.getProcessDefinition(t.getProcessDefinitionId());
rows.append(
"{'id':'"
+ t.getId()
+ "','key':'"
+ processDefinition.getName()
+ "-"
+ DateUtils.date_sdf.format(t.getStartTime())
+ "','taskId':'"
+ t.getId()
+ "'");
// 流程详细查看
WorkFlowSetEntity workFlowSet =
systemService.findUniqueByProperty(
WorkFlowSetEntity.class, "deploymentId", processDefinition.getDeploymentId());
if (workFlowSet != null) {
rows.append(",'action':'" + workFlowSet.getDetailUrl() + "'");
}
// 流程用户处理
if (t.getStartUserId() != null) {
TSUser user = systemService.get(TSUser.class, t.getStartUserId());
rows.append(",'username':'******'");
}
// 流程开始结束时间处理
if (t.getStartTime() == null) {
rows.append(",'beginDate':'无'");
} else {
rows.append(",'beginDate':'" + DateUtils.datetimeFormat.format(t.getStartTime()) + "'");
}
if (t.getEndTime() == null) {
rows.append(",'endDate':'无','stateType':'办理中'");
} else {
rows.append(
",'endDate':'"
+ DateUtils.datetimeFormat.format(t.getEndTime())
+ "','stateType':'已完成'");
}
rows.append("},");
}
String rowStr = StringUtils.substringBeforeLast(rows.toString(), ",");
JSONObject jObject = JSONObject.fromObject("{'total':" + total + ",'rows':[" + rowStr + "]}");
responseDatagrid(response, jObject);
}