/**
* Get the average time duration of completed processes
*
* @return list with the completed processes and the average time duration taken for each process
*/
@GET
@Path("/avgDurationToCompleteProcess/")
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
public ResponseHolder getAvgTimeDurationForCompletedProcesses() {
List<ProcessDefinition> deployements =
BPMNOSGIService.getRepositoryService()
.createProcessDefinitionQuery()
.processDefinitionTenantId(str)
.list();
ResponseHolder response = new ResponseHolder();
List list = new ArrayList<>();
for (ProcessDefinition instance : deployements) {
CompletedProcesses bpmnProcessInstance = new CompletedProcesses();
bpmnProcessInstance.setProcessDefinitionId(instance.getId());
double totalTime = 0;
double averageTime = 0;
String processDefinitionID = instance.getId();
HistoricProcessInstanceQuery historicProcessInstanceQuery =
BPMNOSGIService.getHistoryService()
.createHistoricProcessInstanceQuery()
.processInstanceTenantId(str)
.processDefinitionId(processDefinitionID)
.finished();
long noOfHistoricInstances = historicProcessInstanceQuery.count();
if (noOfHistoricInstances == 0) {
} else {
List<HistoricProcessInstance> instanceList = historicProcessInstanceQuery.list();
for (HistoricProcessInstance completedProcess : instanceList) {
double timeDurationOfTask = completedProcess.getDurationInMillis();
double timeInMins = timeDurationOfTask / (1000 * 60);
totalTime += timeInMins;
}
averageTime = totalTime / noOfHistoricInstances;
bpmnProcessInstance.setAverageTimeForCompletion(averageTime);
list.add(bpmnProcessInstance);
}
}
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());
}
