QPR ProcessAnalyzer API

QPR ProcessAnalyzer has two API: REST-based Web API and WCF API. Prefer the Web API, because WCF API is a legacy API that will be removed from the product in future.

Web API Methods

• Login
• Logout
• Run query
• Cancel query
• Get filters
• Get dashboards

WCF API Methods

QPR ProcessAnalyzer WCF Web Service API (Application Programming Interface) can be used to automate operations and to create integration with other applications. All Web Service operations only accept HTTP POST method (HTTP GET is not allowed). QPR ProcessAnalyzer WCF Web Service API can be used with wsHttp (SOAP) and webHttp endpoints. The following methods are available in the WCF Web Service API:

• Authenticate: Tries to authenticate given user with given password and authentication parameters.
• CancelQueryOperation: Cancels running operation using query identifier.
• DeleteModel: Deletes a model.
• DeleteProject: Deletes a project.
• GetAnalysis: Calculates and returns QPR ProcessAnalyzer analysis.
• GetAnalysisImageAsByteArray: Get Flowchart Analysis as image.
• GetModel: Can be used to query QPR ProcessAnalyzer model data.
• GetModels: Can be used to query QPR ProcessAnalyzer model related information.
• GetModelAsStream: Exports a model or a filtered data as a .pacm file.
• GetStream can be used to query contents of a stream bound to the given session identified by given stream id.
• GetUsers: can be used to get user related information.
• ImportModelFromStream: Import data to QPR ProcessAnalyzer.
• LogOff: Logs off the user session.
• QueryObjectProperties returns all the listed properties queried for all the listed objects identified by unique identifiers.
• ResetModelCache: Can be used to clear all cached model information of the given model.
• RunScript can be used to execute given PA script using given parameters.
• SetModel: Can be used to set model related information.
• SetUser: Can be used to set user information.
• ValidateModel can be used to perform all the pending tasks stored in the work queue of the given model.
• GetUserPermissions can be used to query permissions given user has for a set of objects.
• ModifyUserRelations can be used to modify permissions given user.
• GetUserRoles can be used to get available user roles.

WCF Web Service API Usage Examples

JavaScript Examples

//login                 
$.ajax({
  "method": "POST",
  "url": "http://localhost/qprpa/Mainservice.svc/webHttp/Authenticate",
  "dataType": "json", "contentType": "application/json; charset=utf-8",
  "data": JSON.stringify({
    'logOnName': '<username>',
    'password': '<password>',
    'parameters': ''
  })
});                       

//create user
$.ajax({
  "method": "POST",
  "url": "http://localhost/qprpa/Mainservice.svc/webHttp/SetUser",
  "dataType": "json", "contentType": "application/json; charset=utf-8",
  "data": JSON.stringify({ 
    "sessionId": sessionId,
    "user": {"Name": "user", "FullName": "first last" },
    "parameters": [{"Key": "Password", "Value": "demo"}]
  })
});

//add user to group, value 8:12:0 is user:group:member type
$.ajax({
  "method": "POST",
  "url": "http://localhost/qprpa/Mainservice.svc/webHttp/ModifyUserRelations",
  "dataType": "json", "contentType": "application/json; charset=utf-8",
  "data": JSON.stringify({ 
    "sessionId": sessionId,
    "parameters": [{"Key": "AddGroups", "Value": "8:12:0"}]
  })
});

//log off
$.ajax({
  "method": "POST",
  "url": "http://localhost/qprpa/Mainservice.svc/webHttp/LogOff",
  "dataType": "json", "contentType": "application/json; charset=utf-8",
  "data": JSON.stringify({ 
    "sessionId": sessionId
  })
});

PowerShell Examples

List Users

$paService=New-WebServiceProxy –Uri "http://localhost/qprpa/MainService.svc"
$connection=$paService.Authenticate("username", "password", @())
$token=$connection.GetValue(0).Value

$param=@()
$users=$paService.GetUsers($token, $null, $param)
$users
$paService | get-member | ? {$_.definition -match "GetAnalysis"}

Update Model Configuration

$paService=New-WebServiceProxy –Uri "http://localhost/qprpa/MainService.svc"
$connection=$paService.Authenticate("username", "password", @())
$token=$connection.GetValue(0).Value
$param=@()
$modelId=@(2)
$model=$paService.GetModels($token,$modelId, $param)

$model[0]
$model[0].ConfigurationJson = "{}"

$paService.SetModel($token,$model[0], $param)

Get Flowchart Image

$paService=New-WebServiceProxy –Uri "http://localhost/qprpa/MainService.svc" -Namespace "WebServiceProxy" -Class "PaService"
$connection=$paService.Authenticate("username", "password", @())
$token=$connection.GetValue(0).Value

$ids = new-object WebServiceProxy.ModelViewId
$ids.ViewId = 13
$ids.ViewIdSpecified = 1

$analysisType = 0
$processAnalysisType = 4
$minTransitionPercentage = 0.0

$png=  $paService.GetAnalysisImageAsByteArray($token, $ids,  $analysisType,1,  $processAnalysisType,1 , $minTransitionPercentage,1)
[IO.File]::WriteAllBytes('c:\tmp\image.png', $png)