BPMN Statistics REST API

This section provides details on the BPMN statistics REST API and the methods used to generate the statistics in the BPMN-explorer. The following sections lists out the methods involved in retrieving statistics.

All the methods of the REST API will be invoked after the base URL.

Base URL

Base URL: https://<hostname>:<port-name>/bpmn/stats/

Retrieving statistics about processes and tasks

Method	get:/process-instances/count
Description	Get the process count of the deployed processes.
Parameters	Header Parameter - Media types acceptable for the response. the default is JSON.
Return Type	Deployed processes with their process count.
Example Data	{ "data": [ { "processDefinitionId": "helloWorldProcess:1:11", "deployedProcessCount": 1 }, { "processDefinitionId": "manualTaskProcess:1:15", "deployedProcessCount": 4 } ] }

Method	get: /process-instances/state/all/count/
Description	Get the number of process instances with various states.
Parameters	Header Parameter - Media types acceptable for the response. the default is JSON.
Return Type	Count of process instances in each state. States: Completed, Active, Suspended, Failed
Example Data	{ "data": [ { "count": 2, "statusOfProcessOrTask": "Completed" }, { "count": 4, "statusOfProcessOrTask": "Active" }, { "count": 0, "statusOfProcessOrTask": "Suspended" }, { "count": 0, "statusOfProcessOrTask": "Failed" } ] }

Method	get:/task-instances/status/all/count
Description	Get the number of task instances with various states.
Parameters	Header Parameter - Media types acceptable for the response. the default is JSON.
Return Type	Count of task instances in each state. States: Completed, Active, Suspended, Failed
Example Data	{ "data": [ { "count": 4, "statusOfProcessOrTask": "Completed" }, { "count": 4, "statusOfProcessOrTask": "Active" }, { "count": 0, "statusOfProcessOrTask": "Suspended" }, { "count": 0, "statusOfProcessOrTask": "Failed" } ] }

Method	get: /process-instances/duration/average
Description	Get the average time duration of completed processes.
Parameters	Header Parameter - Media types acceptable for the response. The default is JSON.
Return Type	Completed processes and the average time duration for each process.
Example Data	{ "data": [ { "processDefinitionId": "helloWorldProcess:1:11", "averageTimeForCompletion": 0.26085 }, { "processDefinitionId": "manualTaskProcess:1:15", "averageTimeForCompletion": 24.555516666666666 } ] }

Method	get:/task-instances/duration/avarage/{pid}
Description	Get the average time duration of each task in a completed process.
Parameters	pId: process Definition Id of the process (required). Header Parameter - Media types acceptable for the response. The default is JSON.
Return Type	Completed tasks with their average time duration for each completed process.
Example Data	Request – > /task-instances/duration/avarage/manualTaskProcess:1:15 { "data": [ { "taskDefinitionKey": "orderConfirmed", "averageTimeForCompletion": 722751 }, { "taskDefinitionKey": "placeOrder", "averageTimeForCompletion": 4117232 }, { "taskDefinitionKey": "statusOfDelivery", "averageTimeForCompletion": 7973 } ] }

Method	get: /task-instances/count/variation
Description	Get the task variation over time i.e., tasks started and completed over the months.
Parameters	Header Parameter - Media types acceptable for the response. The default is JSON.
Return Type	Number of tasks started and completed over the months.
Example Data	{ "data": [ { "startedInstances": 10, "completedInstances": 4, "month": "Jan" }, { "startedInstances": 6, "completedInstances": 3, "month": "Feb" }, { "startedInstances": 9, "completedInstances": 9, "month": "March" }, { "startedInstances": 2, "completedInstances": 4, "month": "April" }, { "startedInstances": 0, "completedInstances": 0, "month": "May" }, { "startedInstances": 11, "completedInstances": 7, "month": "June" }, { "startedInstances": 14, "completedInstances": 12, "month": "July" }, { "startedInstances": 4, "completedInstances": 3, "month": "Aug" }, { "startedInstances": 2, "completedInstances": 1, "month": "Sep" }, { "startedInstances": 2, "completedInstances": 2, "month": "Oct" }, { "startedInstances": 0, "completedInstances": 0, "month": "Nov" }, { "startedInstances": 10, "completedInstances": 7, "month": "Dec" } ] }

Method	get: /process-instances/count/variation
Description	Get the process variation over time i.e., process instances started and completed over the months.
Parameters	Header Parameter - Media types acceptable for the response. The default is JSON.
Return Type	Number of process instances started and completed over the months.
Example Data	{ "data": [ { "startedInstances": 3, "completedInstances": 3, "month": "Jan" }, { "startedInstances": 10, "completedInstances": 5, "month": "Feb" }, { "startedInstances": 8, "completedInstances": 6, "month": "March" }, { "startedInstances": 3, "completedInstances": 2, "month": "April" }, { "startedInstances": 14, "completedInstances": 12, "month": "May" }, { "startedInstances": 20, "completedInstances": 12, "month": "June" }, { "startedInstances": 6, "completedInstances": 3, "month": "July" }, { "startedInstances": 0, "completedInstances": 0, "month": "Aug" }, { "startedInstances": 6, "completedInstances": 1, "month": "Sep" }, { "startedInstances": 9, "completedInstances": 7, "month": "Oct" }, { "startedInstances": 11, "completedInstances": 10, "month": "Nov" }, { "startedInstances": 6, "completedInstances": 3, "month": "Dec" } ] }

Method	get: /processes/
Description	Get all the deployed processes.
Parameters	Header Parameter - Media types acceptable for the response. The default is JSON.
Return Type	Deployed processes
Example Data	{ "data": [ "helloWorldProcess:1:11", "manualTaskProcess:1:15", "testProcess:1:4", "userTaskProcess:1:10" ] }

Retrieving statistics about users

Method	get: /user-performance/variation/{assignee}
Description	Get the task variation of each user over time i.e., tasks started and completed by each user over the months.
Parameters	assignee: user (required). Header Parameter - Media types acceptable for the response. Default is JSON
Return Type	Number of tasks started and completed over the months by the selected user.
Example Data	{ "data": [ { "startedInstances": 3, "completedInstances": 4, "month": "Jan" }, { "startedInstances": 10, "completedInstances": 8, "month": "Feb" }, { "startedInstances": 6, "completedInstances": 5, "month": "March" }, { "startedInstances": 4, "completedInstances": 2, "month": "April" }, { "startedInstances": 9, "completedInstances": 10, "month": "May" }, { "startedInstances": 7, "completedInstances": 6, "month": "June" }, { "startedInstances": 5, "completedInstances": 2, "month": "July" }, { "startedInstances": 0, "completedInstances": 0, "month": "Aug" }, { "startedInstances": 1, "completedInstances": 1, "month": "Sep" }, { "startedInstances": 2, "completedInstances": 2, "month": "Oct" }, { "startedInstances": 10, "completedInstances": 6, "month": "Nov" }, { "startedInstances": 5, "completedInstances": 4, "month": "Dec" } ] }

Response Codes

Response Code	Description
200- Ok	Indicates that the response was found and returned.
401- Unauthorized	The operation failed. The operation requires an Authentication header to be set. If this was present in the request, the supplied credentials are not valid or the user is not authorized to perform this operation.
404- Not Found	Indicates the requested details was not found.
405 - Method Not Allowed	The operation failed. The used method is not allowed for this resource.
415 - Unsupported Media Type	The operation failed. The request body contains an unsupported media type. This also occurs when the request-body JSON contains an unknown attribute or value that does not have the right format/type to be accepted.
500 - Internal Server Error	The operation failed. An unexpected exception occurred while executing the operation. The response-body contains details about the error.