/**
* Task variation over time i.e. tasks started and completed over the months
*
* @return array with the no. of tasks started and completed over the months
*/
@GET
@Path("/taskVariation/")
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
public ResponseHolder taskVariationOverTime() {
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[] taskStatPerMonths = new InstanceStatPerMonth[12];
for (int i = 0; i < taskStatPerMonths.length; i++) {
taskStatPerMonths[i] = new InstanceStatPerMonth();
taskStatPerMonths[i].setMonth(MONTHS[i]);
taskStatPerMonths[i].setCompletedInstances(0);
taskStatPerMonths[i].setStartedInstances(0);
}
// Get completed tasks
List<HistoricTaskInstance> taskList =
BPMNOSGIService.getHistoryService()
.createHistoricTaskInstanceQuery()
.taskTenantId(str)
.finished()
.list();
for (HistoricTaskInstance instance : taskList) {
int startTime = Integer.parseInt(ft.format(instance.getCreateTime()));
int endTime = Integer.parseInt(ft.format(instance.getEndTime()));
taskStatPerMonths[startTime - 1].setStartedInstances(
taskStatPerMonths[startTime - 1].getStartedInstances() + 1);
taskStatPerMonths[endTime - 1].setCompletedInstances(
taskStatPerMonths[endTime - 1].getCompletedInstances() + 1);
}
// Get active/started tasks
List<Task> taskActive =
BPMNOSGIService.getTaskService().createTaskQuery().taskTenantId(str).active().list();
for (Task instance : taskActive) {
int startTime = Integer.parseInt(ft.format(instance.getCreateTime()));
taskStatPerMonths[startTime - 1].setStartedInstances(
taskStatPerMonths[startTime - 1].getStartedInstances() + 1);
}
// Get suspended tasks
List<Task> taskSuspended =
BPMNOSGIService.getTaskService().createTaskQuery().taskTenantId(str).suspended().list();
for (Task instance : taskSuspended) {
int startTime = Integer.parseInt(ft.format(instance.getCreateTime()));
taskStatPerMonths[startTime - 1].setStartedInstances(
taskStatPerMonths[startTime - 1].getStartedInstances() + 1);
}
for (int i = 0; i < taskStatPerMonths.length; i++) {
list.add(taskStatPerMonths[i]);
}
response.setData(list);
return response;
}
/**
* 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;
}
/**
* 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;
}
/**
* Get all deployed processes
*
* @return list with the processDefinitions of all deployed processes
*/
@GET
@Path("/allProcesses/")
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
public ResponseHolder getAllProcesses() {
// Get a list of the deployed processes
List<ProcessDefinition> deployements =
BPMNOSGIService.getRepositoryService()
.createProcessDefinitionQuery()
.processDefinitionTenantId(str)
.list();
List listOfProcesses = new ArrayList<>();
ResponseHolder response = new ResponseHolder();
for (ProcessDefinition processDefinition : deployements) {
listOfProcesses.add(processDefinition.getId());
}
response.setData(listOfProcesses);
return response;
}
/**
* Get the deployed processes count
*
* @return a list of deployed processes with their instance count
*/
@GET
@Path("/deployedProcessCount/")
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
public ResponseHolder getDeployedProcesses() {
List<ProcessDefinition> deployments =
BPMNOSGIService.getRepositoryService()
.createProcessDefinitionQuery()
.processDefinitionTenantId(str)
.list();
List bpmnProcessInstancesList = new ArrayList<>();
ResponseHolder response = new ResponseHolder();
for (ProcessDefinition instance : deployments) {
DeployedProcesses bpmnProcessInstance = new DeployedProcesses();
bpmnProcessInstance.setProcessDefinitionId(instance.getId());
String pId = instance.getId();
long count1 = getCountOfHistoricProcessInstances(pId);
long count2 = getCountOfRunningProcessInstances(pId);
long noOfInstances = count1 + count2;
bpmnProcessInstance.setDeployedProcessCount(noOfInstances);
bpmnProcessInstancesList.add(bpmnProcessInstance);
}
response.setData(bpmnProcessInstancesList);
return response;
}
/**
* Average task duration for completed processes
*
* @param pId processDefintionId of the process selected to view the average time duration for
* each task
* @return list of completed tasks with the average time duration for the selected process
*/
@GET
@Path("/avgTaskDurationForCompletedProcess/{pId}")
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
public ResponseHolder avgTaskTimeDurationForCompletedProcesses(@PathParam("pId") String pId) {
long countOfProcesses =
BPMNOSGIService.getRepositoryService()
.createProcessDefinitionQuery()
.processDefinitionTenantId(str)
.processDefinitionId(pId)
.count();
if (countOfProcesses == 0) {
throw new ActivitiObjectNotFoundException(
"Could not find process with process definition id '" + pId + "'.");
}
ResponseHolder response = new ResponseHolder();
List taskListForProcess = new ArrayList<>();
HashMap<String, Long> map = new HashMap<String, Long>();
// Get the number of completed/finished process instance for each process definition
HistoricProcessInstanceQuery historicProcessInstanceQuery =
BPMNOSGIService.getHistoryService()
.createHistoricProcessInstanceQuery()
.processInstanceTenantId(str)
.processDefinitionId(pId)
.finished();
// Get the count of the complete process instances
long noOfHistoricInstances = historicProcessInstanceQuery.count();
// If the deployed process doesnot have any completed process instances --> Ignore
if (noOfHistoricInstances == 0) {
response.setData(taskListForProcess);
}
// If the deployed process has completed process instances --> then
else {
BPMNTaskInstance tInstance = new BPMNTaskInstance();
// Get the list of completed tasks/activities in the completed process instance by passing the
// process definition id of the process
List<HistoricTaskInstance> taskList =
BPMNOSGIService.getHistoryService()
.createHistoricTaskInstanceQuery()
.taskTenantId(str)
.processDefinitionId(pId)
.processFinished()
.list();
// Iterate through each completed task/activity and get the task name and duration
for (HistoricTaskInstance taskInstance : taskList) {
// Get the task name
String taskKey = taskInstance.getTaskDefinitionKey();
// Get the time duration taken for the task to be completed
long taskDuration = taskInstance.getDurationInMillis();
if (map.containsKey(taskKey)) {
long tt = map.get(taskKey);
map.put(taskKey, taskDuration + tt);
} else {
map.put(taskKey, taskDuration);
}
// Iterating Task List finished
}
Iterator iterator = map.keySet().iterator();
while (iterator.hasNext()) {
String key = iterator.next().toString();
double value = map.get(key) / noOfHistoricInstances;
tInstance = new BPMNTaskInstance();
tInstance.setTaskDefinitionKey(key);
tInstance.setAverageTimeForCompletion(value);
taskListForProcess.add(tInstance);
}
response.setData(taskListForProcess);
}
return response;
}
/**
* Get the number of Task Instances with various states States: Completed , Active, Suspended,
* Failed
*
* @return list with the states and the count of task instances in each state
*/
@GET
@Path("/taskStatusCount/")
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
public ResponseHolder getCountOfTaskInstanceStatus() {
List taskCountList = new ArrayList<>();
ResponseHolder response = new ResponseHolder();
ProcessTaskCount completedTaskInstances,
activeTaskInstances,
suspendedTaskInstances,
failedTaskInstances;
TaskQuery taskQuery = BPMNOSGIService.getTaskService().createTaskQuery();
long countOfCompletedTaskInstances =
BPMNOSGIService.getHistoryService()
.createHistoricTaskInstanceQuery()
.taskTenantId(str)
.finished()
.count();
long countOfActiveTaskInstances = taskQuery.taskTenantId(str).active().count();
long countOfSuspendedTaskInstances = taskQuery.taskTenantId(str).suspended().count();
// Check on this
long countOfFailedTaskInstances =
BPMNOSGIService.getManagementService()
.createJobQuery()
.jobTenantId(str)
.withException()
.count();
if (countOfCompletedTaskInstances == 0
&& countOfActiveTaskInstances == 0
&& countOfSuspendedTaskInstances == 0
&& countOfFailedTaskInstances == 0) {
response.setData(taskCountList);
} else {
completedTaskInstances = new ProcessTaskCount();
completedTaskInstances.setStatusOfProcessOrTask("Completed");
completedTaskInstances.setCount(countOfCompletedTaskInstances);
taskCountList.add(completedTaskInstances);
activeTaskInstances = new ProcessTaskCount();
activeTaskInstances.setStatusOfProcessOrTask("Active");
activeTaskInstances.setCount(countOfActiveTaskInstances);
taskCountList.add(activeTaskInstances);
suspendedTaskInstances = new ProcessTaskCount();
suspendedTaskInstances.setStatusOfProcessOrTask("Suspended");
suspendedTaskInstances.setCount(countOfSuspendedTaskInstances);
taskCountList.add(suspendedTaskInstances);
failedTaskInstances = new ProcessTaskCount();
failedTaskInstances.setStatusOfProcessOrTask("Failed");
failedTaskInstances.setCount(countOfFailedTaskInstances);
taskCountList.add(failedTaskInstances);
response.setData(taskCountList);
}
return response;
}