List Flow Instances¶

Search workflow instances that meet the search criteria.

Prerequisite¶

The user must be an EnOS user.

Request Format¶

POST https://{apigw-address}/batch-processing-service/v2.1/flowInstances

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: search

Request Parameters (Body)¶

Name	Mandatory/Optional	Data Type	Description
type	Mandatory	Integer	The scheduling type of the workflow. 0: Manual 1: Periodic 2: Temporary
expression	Optional	String	The search criteria, supporting fuzzy matching query for the `flowInstanceId` and `flowName` parameters (if not specified, all workflows related to the user will be returned).
owner	Mandatory	String	The username of the owner of the workflow instance.
fromTriggerTime	Mandatory	Long	The starting trigger time range for the query. The workflow instances with a trigger time that falls between `fromTriggerTime` and `toTriggerTime` will be returned.
toTriggerTime	Mandatory	Long	The ending trigger time range for the query. The workflow instances with a trigger time that falls between `fromTriggerTime` and `toTriggerTime` will be returned.
status	Mandatory	String	The status of the flow instance. You can search for multiple status at the same time, separated by commas, such as status = “1,2,3”. For a description of the status, see FlowInstanceStatus
pagination	Mandatory	Pagination Struct	Lists the paging requirements in a request. For more details, see Pagination Struct

FlowInstanceStatus¶

Status	Description
-1	FAIL
0	INIT
1	SUCCESS
2	RUNNING
3	SUSPEND
4	INTERNAL_ERROR
5	WAIT
6	READY
7	TIMEOUT
8	CANCEL
9	RERUN
10	SKIP

Pagination Struct¶

Sample¶

{
    "pagination": {
        "pageNo": 0,
        "pageSize": 10,
        "sorters": [{
            "field": "start_time",
            "order": "ASC"
        }]
    }
}

Parameters¶

Name	Mandatory/Optional	Data Type	Description
pageNo	Mandatory	Integer	The request pages, starting from 1.
pageSize	Mandatory	Integer	The number of records in each page, which must be greater than 0. For optimal performance, it is recommended to have not more than 50 records per page.
sorters	Optional.	jsonArray	The pagination sorting method.(The sorters struct contains two fields: sorter.field and sorter.order, see the sorters parameter below for details.)

sorters¶

Name	Mandatory/Optional	Data Type	Description
field	Mandatory	String	The pagination field name. Supported fields are: create_time, update_time, start_time, trigger_time, end_time.
order	Optional	String	ASC (default) = ascending order DESC = descending order

Response Parameters¶

Name	Data Type	Description
data	FlowInstances Struct	The number and details of the searched workflow instances. For more information, see FlowInstances Struct

Response Parameters¶

Name	Data Type	Description
data	FlowInstances Struct	The number and details of the searched workflow instances. For more information, see FlowInstances Struct

FlowInstances Struct¶

Sample¶

{
    "flowInsts":[],
    "count":0
}

Parameters¶

Name	Data Type	Description
flowInsts	Array of FlowInstance Structs	The list of workflow instances. For more information, see FlowInstance Struct
count	Integer	The number of searched workflow instances (number of elements in the FlowInstance struct).

Error Code¶

Code Message Description

62102

The sorters field parameter is invalid

The given sorters field parameter is invalid. The valid options are:

create_time
update_time
start_time
trigger_time
end_time

For other error codes, see Common Error Codes.

Samples¶

Request Sample¶

url: https://{apigw-address}/batch-processing-service/v2.1/flowInstances?action=search&userId=yourUserId&orgId=yourOrgId
method: POST
requestBody:
{
    "type": 1,
    "fromTriggerTime": 1573648355000,
    "toTriggerTime": 1573698120000,
    "status": 1,
    "owner": "",
    "expression": "",
    "pagination":{
        "pageNo": 1,
        "pageSize": 10,
        "sorters": [{
            "field": "update_time",
            "order": "ASC"
        }]
    }
}

Return Sample¶

{
  "code": 0,
  "msg": "OK",
  "data": {
    "flowInsts": [{
                "instanceId": "2809-20190812080700",
                "flowId": 2809,
                "flowName": "21",
                "freq": "0 0 0 * * ? *",
                "cycle": "D",
                "parameters": "[]",
                "doAs": "yourDoAs",
                "graph": "{"creator":"yourCreator","freq":"0 0 0 * * ? *","alertMode":3,"owners":"yourOwners","cycle":"D","do_as":"yourDoAs","flows":[],"name":"21","instId":"2809-20190812080700","id":2809,"relations":[],"parameters":"[]","tasks":[{"task_name":"tass","taskInstId":"104890-20190812080700","x":0.002,"y":0.002,"task_id":104890,"nodeId":"t_104890"}]}",
                "status": 1,
                "statusDesc": "SUCCESS",
                "triggerTime": "2019-08-12 08:07:22",
                "startTime": "2019-08-12 08:07:30",
                "endTime": "2019-08-12 08:07:32",
                "timestamp": "2019-08-12 08:09:48.0",
                "virtual": false,
                "owner": "yourOwners",
                "hasEditPri": true,
                "hasReadPri": true,
                "isCancelled": false
            },
            {
                "instanceId": "2957-20190812075600",
                "flowId": 2957,
                "flowName": "fdd",
                "freq": "0 0 0 * * ? *",
                "cycle": "D",
                "parameters": "[]",
                "doAs": "yourDoAs",
                "graph": "{"creator":"yourCreator","freq":"0 0 0 * * ? *","alertMode":3,"owners":";yourOwners;","cycle":"D","do_as":"yourDoAs","flows":[],"name":"fdd","instId":"2957-20190812075600","id":2957,"relations":[],"parameters":"[]","tasks":[{"task_name":"gg","taskInstId":"105040-20190812075600","x":0.0068,"y":0.0071,"task_id":105040,"nodeId":"t_105040"}]}",
                "status": 1,
                "statusDesc": "SUCCESS",
                "triggerTime": "2019-08-12 07:56:56",
                "startTime": "2019-08-12 07:57:00",
                "endTime": "2019-08-12 07:57:02",
                "timestamp": "2019-08-12 08:00:09.0",
                "virtual": false,
                "owner": "yourOwner",
                "hasEditPri": true,
                "hasReadPri": true,
                "isCancelled": false
            }],
    "count": 2
  }
}

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 flowInstancesTest(){
        //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();
            HashMap<String,Object> bodyMap = new HashMap<>();
            bodyMap.put("type",0);
        bodyMap.put("owner","");
        bodyMap.put("fromTriggerTime",1565568000000L);
        bodyMap.put("toTriggerTime",1565654399999L);
        bodyMap.put("status","");
            bodyMap.put("expression","");
        HashMap<String,Object> paginationMap= new HashMap<String, Object>(3);
        paginationMap.put("pageNo",1);
        paginationMap.put("pageSize",10);
        List<HashMap<String,Object>> list = new ArrayList<HashMap<String,Object>>();
        HashMap<String,Object> sorterMap= new HashMap<String, Object>(2);
        sorterMap.put("field","update_time");
        sorterMap.put("order","ASC");
        list.add(sorterMap);
        paginationMap.put("sorters",list );
        bodyMap.put("pagination",paginationMap);
        request.setQueryParam("userId","yourUserId");
        request.setQueryParam("orgId","yourOrgId");
        request.setBodyParam(bodyMap);
        request.setMethod("POST");

        try {
            JSONObject response = Poseidon.config(PConfig.init().appKey(accessKey).appSecret(secretKey).debug())
                    .url("https://{apigw-address}/batch-processing-service/v2.1/flowInstances?action=search")
                    .getResponse(request, JSONObject.class);
            System.out.println(response);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }