RESTful Service

Create TGDB Connection

Create Application

Create Flow for querying Metadata

Configure flow inputs and outputs

• input sample

{
    "queryType" : ""
}

• output sample

{
    "queryResult": {
        "content": {},
        "success": true,
        "error": {
            "code": 101,
            "message": "Not found"
        }
    }
}

Add activities

• Activity 1 : GraphBuilder_TGDB -> TGDBQuery

• Activity 2 : Default -> Return

Add a trigger (Receive HTTP Message)

• output

$trigger.pathParams.queryType

• reply

$flow.queryResult

sample :

{
    "queryResult": {
        "content": {},
        "success": true,
        "error": {
            "code": 101,
            "message": "Not found"
        }
    }
}

Create Flow for Querying Data

Configure flow inputs and outputs

• input sample

{
    "queryType" : "",
    "language": "",
    "queryString": "",
    "traversalCondition": "",
    "endCondition": "",
    "traversalDepth": 1
}

• output sample

{
    "queryResult": {
        "content": {},
        "success": true,
        "error": {
            "code": 101,
            "message": "Not found"
        }
    }
}

Add activities

• Activity 1 : GraphBuilder_TGDB -> TGDBQuery

• Activity 2 : Default -> Return

Add a trigger (Receive HTTP Message)

• output

$trigger.pathParams.queryType and $trigger.body

sample :

{
  "query": {
  	"language" : "tgql",
    "queryString" : "@nodetype = 'houseMemberType' and memberName = 'Napoleon Bonaparte';",
    "traversalCondition" : "@edgetype = 'relation' and relation = 'spouse' and @isfromedge = 1 and @degree = 1;",
    "endCondition" : "",
	"traversalDepth" : 1
  }
}

• reply

$flow.queryResult

sample :

{
    "queryResult": {
        "content": {},
        "success": true,
        "error": {
            "code": 101,
            "message": "Not found"
        }
    }
}

Implementation Source

stored on GitHub here.

This example is created in TIBCO Flogo® Enterprise 2.8.1 studio.