Trigger Flow¶

Manually trigger a workflow schedule.

Prerequisites¶

The user must be the owner of the workflow.
Both the user and the workflow are not locked.

Request Format¶

POST https://{apigw-address}/dataflow-batch-service/v2.0/flows

Request Parameters (URI)¶

Name	Location (Path/Query)	Mandatory/Optional	Data Type	Description
userId	Query	Mandatory	String	The user ID. How to get userId>>
orgId	Query	Mandatory	String	The organization ID which the user belongs to. How to get orgId>>
action	Query	Mandatory	String	Fixed value: trigger

Request Parameters (Body)¶

Name

Mandatory/Optional

Data Type

Description

flowId

Mandatory

Integer

The workflow ID.

triggerTime

Mandatory

Long

Specify the trigger time of the workflow, keeping in mind the following rules:

If the triggering time is before the current time, the workflow will be triggered immediately, and the triggering time will be passed into the time parameters for calculation.
The workflow only allows one instance to run at any one time. If the pre-run instance conflicts with a running instance, it will be executed in sequence.

Response Parameters¶

Name	Data Type	Description
data	FlowInstanceId Struct	The details of a workflow instance. For more information, see FlowInstanceId Struct

FlowInstanceId Struct¶

Sample¶

{
  "flowInstanceId": "2430-20190718075000"
}

Parameters¶

Name	Data Type	Description
flowInstanceId	String	The ID of the workflow instance.

Error Code¶

Code	Message	Description
62104	This workflow has no task. You cannot trigger it.	The workflow does not have any task for you to trigger.
62109	Server internal exception	Internal server exception.

For other error codes, see Common Error Codes.

Samples¶

Request Sample¶

url: https://{apigw-address}/dataflow-batch-service/v2.0/flows?action=trigger&userId=yourUserId&orgId=yourOrgId
method: POST
{
  "flowId":3377,
  "triggerTime":1574385824000
}

Return Sample¶

{
  "status": 0,
  "msg": " Success",
  "data": {
    "flowInstanceId": "2791-19700101000000"
  }
}

Java SDK Sample¶

import com.alibaba.fastjson.JSONObject;
import com.envision.apim.poseidon.config.PConfig;
import com.envision.apim.poseidon.core.Poseidon;

public class Request extends PoseidonRequest {
    public void setQueryParam(String key, Object value){
        queryParams().put(key, value);
    }
    public void setHeaderParam(String key, String value){
        headerParams().put(key, value);
    }
    public void setBodyParam(Map<String, Object> bodyPara){
        bodyParams().putAll(bodyPara);
    }
    public void setMethod(String method) {
        this.method = method;
    }
    private String method;
    public String baseUri() {
        return "";
    }
    public String method() {
        return method;
    }
}

public void triggerImmediatelyTest(){
        //1. Select Application Registration from the left navigation bar of EnOS Console.
        //2. Open the App Detail page to get the AccessKey and SecretKey of the application.
        String accessKey = "yourAppAccessKey";
        String secretKey = "yourAppSecretKey";

        //Create a request and save the required parameters in the map of the Query.
        Request request = new Request();
        request.setQueryParam("userId"," yourUserId");
        request.setQueryParam("orgId","yourOrgId");
        HashMap<String,Object> hashMap = new HashMap<String, Object>(2);
        hashMap.put("flowId",3377);
        hashMap.put("triggerTime",1574385824000);
        request.setBodyParam(hashMap);
        request.setMethod("POST");

        try {
            JSONObject response = Poseidon.config(PConfig.init().appKey(accessKey).appSecret(secretKey).debug())
                    .url("https://{apigw-address}/dataflow-batch-service/v2.0/flows?action=trigger")
                    .getResponse(request, JSONObject.class);

            System.out.println(response);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }