Examples with ProcessInstanceAverageInfo org.wso2.carbon.bpmn.rest.model.stats.ProcessInstanceAverageInfo used on opensource projects

Example 1 with ProcessInstanceAverageInfo

use of org.wso2.carbon.bpmn.rest.model.stats.ProcessInstanceAverageInfo in project carbon-business-process by wso2.

the class ProcessStatisticsService method getAvgTimeDurationForCompletedProcesses.

/**
 * 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("/process-instances/duration/average")
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public ResponseHolder getAvgTimeDurationForCompletedProcesses() {
    ResponseHolder response = new ResponseHolder();
    List<Object> list = new ArrayList<>();
    HistoryService historyService = BPMNOSGIService.getHistoryService();
    RepositoryService repositoryService = BPMNOSGIService.getRepositoryService();
    List<ProcessDefinition> deployedProcessList = repositoryService.createProcessDefinitionQuery().processDefinitionTenantId(getTenantIdStr()).list();
    for (ProcessDefinition instance : deployedProcessList) {
        ProcessInstanceAverageInfo bpmnProcessInstance = new ProcessInstanceAverageInfo();
        bpmnProcessInstance.setProcessDefinitionId(instance.getId());
        double totalTime = 0;
        double averageTime;
        String processDefinitionID = instance.getId();
        HistoricProcessInstanceQuery historicProcessInstanceQuery = historyService.createHistoricProcessInstanceQuery().processInstanceTenantId(getTenantIdStr()).processDefinitionId(processDefinitionID).finished();
        long instanceCount = historicProcessInstanceQuery.count();
        if (instanceCount != 0) {
            List<HistoricProcessInstance> instanceList = historicProcessInstanceQuery.list();
            for (HistoricProcessInstance completedProcess : instanceList) {
                double timeDurationOfTask = completedProcess.getDurationInMillis();
                double timeInMins = timeDurationOfTask / (1000 * 60);
                totalTime += timeInMins;
            }
            averageTime = totalTime / instanceCount;
            bpmnProcessInstance.setAverageTimeForCompletion(averageTime);
            list.add(bpmnProcessInstance);
        }
    }
    response.setData(list);
    return response;
}