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Search Asset Tree

Search for asset trees based on the query criterion.

Operation Permissions

Required Authorization	Required Operation Permission
Asset Tree Management	Read

Request Format

POST https://{apigw-address}/asset-tree-service/v2.1/asset-trees?action=search

Request Parameters (URI)

Name	Location (Path/Query)	Mandatory/Optional	Data Type	Description
orgId	Query	Mandatory	String	The organization ID which the asset belongs to. How to get orgId>>

Request Parameters (Body)

Note

Use either expression or filter to search, but not both together. EnOS Cloud only supports searching by expression while EnOS Edge supports expression or filter.

Name	Mandatory/Optional	Data Type	Description
expression	Optional	String	The conditions used for the search. The use of tags, arithmetic operator “=” and “exists” are supported. If not specified, results will return all asset trees. Do not use this with filter. How to use expression >>
filter	Optional	Filter Struct	The conditions used for the search. The use of tags are supported. If not specified, results will return all asset trees. Do not use this with expression. For more details, see Filter Struct >> Note: EnOS Cloud does not support this parameter.
pagination	Optional	Pagination Request Struct	Lists the paging requirements in a request. When not specified, 100 records are displayed per page by default. The maximum records per page is 1000 but for optimal performance, it is recommended to have not more than 50 records per page. sorters is not supported to sort the response. For more details, see Pagination Request Struct>>
projection	Optional	Projection struct	Enables you to crop the data result set returned in the interface request if needed. Only the specified fields will be returned in the data result set if this parameter is used. Otherwise all fields are returned. For more details, see How does projection crop the result set>>

Filter Struct

Name	Mandatory/Optional	Data Type	Description
tags	Optional	Map (Key and Value are of String type)	User-defined tags. For details, see How to use tag >>

Response Parameters

Response parameters

Name	Data Type	Description
data	Array of AssetTree Structs	Details of the asset tree based on the assetId. For the definition of an AssetTree Struct, see the table below.

AssetTree Struct

Name	Data Type	Description
treeId	String	The asset tree ID.
name	StringI18n	The asset tree name. For more details on the structure and locales supported, see Internationalized name struct>>
tags	Tag struct	The user-defined tags.
asset	Asset Struct	The details of an asset. For more information, see Asset struct>>

Samples

Request Sample

url: https://{apigw-address}/asset-tree-service/v2.1/asset-trees?action=search&orgId=yourOrgId
method: POST
requestBody:
{
  "expression":"tags.k1 ='v1' ",
  "pagination": {
    "pageNo": 1,
    "pageSize": 10
  },
  "projection": ["asset"]
}

Return Sample

{
    "code":0,
    "msg":"OK",
    "requestId":"82248518-6da4-49d2-8d07-cf7a0ff55b60",
    "data":{
        "BtsYmF2r":[
            {
                "treeId":"yourTreeId",
                "tags":{

                },
                "asset":{
                    "modelId":"yourModelId",
                    "assetId":"BtsYmF2r",
                    "timezone":"+08:00",
                    "name":{
                        "i18nValue":{
                            "en_US":"zmTree604111zzz"
                        },
                        "defaultValue":"zmTree604"
                    },
                    "description":"",
                    "attributes":{

                    },
                    "inValid":false,
                    "label":"1",
                    "modelIdPath":"/NULLMODEL",
                    "tags":{

                    }
                }
            }
        ]
    }
}

Java SDK Sample

import com.envision.apim.poseidon.core.Poseidon;
import com.envisioniot.enos.api.common.constant.request.Pagination;
import com.envisioniot.enos.api.common.constant.request.Projection;
import com.envisioniot.enos.asset_tree_service.v2_1.*;
import com.envisioniot.enos.asset_tree_service.vo.AssetCreateVo;
import com.envisioniot.enos.asset_tree_service.vo.I18nVo;
import com.envisioniot.enos.asset_tree_service.vo.TreeCreateVo;
import com.envisioniot.enos.asset_tree_service.vo.TreeUpdateVo;
import org.junit.Test;
import java.util.HashMap;
import java.util.Map;

public class AssetTreeTest {
    private static String AccessKey = "yourAccessKey";
    private static String SecretKey = "yourSecretKey";
    private static String OrgId = "yourOrgId";
    private static String ServerUrl = "yourServerUrl";


    @Test
    public void testSearchTree() {
        SearchAssetTreeRequest request = new SearchAssetTreeRequest();
        request.setOrgId(OrgId);
        request.setExpression("tags.k1 ='v1'");
        Pagination pagination = new Pagination(3, 1, null);
        Projection projection = new Projection();
        projection.add("asset");
        request.setPagination(pagination);
        request.setProjection(projection);
        SearchAssetTreeResponse response = Poseidon.config(PConfig.init().appKey(AccessKey).appSecret(SecretKey).debug())
            .url(ServerUrl)
            .getResponse(request, SearchAssetTreeResponse.class);
    }
}