TSL Parent Asset Lookup¶
This stage queries the parent node of a specified asset on an asset tree. The functions of this stage include:
Specifying the asset tree by asset tree tags.
Querying the parent node of the asset related to the input point.
Querying only 1 level of parent node on the asset tree by default.
Support the querying of the parent node of a specified node on the asset tree.
Attaching queried results in the
/attr/tslParentLookupfield.
Configuration¶
The configuration tabs for this stage are General, Basic, Input/Output, and Criteria.
General¶
Name |
Required? |
Description |
|---|---|---|
Name |
Yes |
The name of the stage. |
Description |
No |
The description of the stage. |
Stage Library |
Yes |
The streaming calculator library to which the stage belongs. |
Required Fields |
No |
The fields that the data records must contain. If the specified fields are not included, the record will be filtered out. |
Preconditions |
No |
The conditions that must be satisfied by the data records. Records that do not meet the conditions will be filtered out. |
On Record Error |
Yes |
The processing method for error data.
|
Basic¶
Name |
Required? |
Description |
|---|---|---|
Quality Filter |
No |
Filter the data according to the data quality. Only records that meet the quality conditions will be processed by this stage. |
Input/Output¶
Name |
Required? |
Description |
|---|---|---|
Input/Output |
Yes |
The parent asset metadata that is attached to each record. Specify the input points that hold the parent asset metadata, and the output points that receive the queried results. |
Input Point |
Yes |
Specify the input point that holds the parent asset metadata, using the format {modelId}::{pointId}. |
Output Point |
Yes |
Specify the output point that receives the queried results, using the format {modelId}::{pointId}. |
Criteria¶
Name |
Required? |
Description |
|---|---|---|
Tree Tag |
Yes |
Specify the tag of the asset tree, using the format {tag key}::{tag value}. |
Attribute |
No |
Specify whether to query the parent asset metadata by the asset attribute keys. |
Tag |
No |
Specify whether to query the parent asset metadata by the asset tags. |
Extra |
No |
Specify whether to query the parent asset metadata by other information, such as othe OU, modelId, modelIdPath, tslInstanceName, tslInstanceDesc, label, timezone, and extraInfo. |
Output Results¶
The output results of this stage are included in the attr struct. The description of the fields are as follows:
Name |
Data Type |
Description |
|---|---|---|
/attr/tslParentLookup |
List<Parent> |
The parent asset metadata object. |
List index |
Int |
The index of the parent asset. |
treeId |
String |
The ID of the asset tree to which the parent asset is bound. |
assetId |
String |
The asset ID of the parent asset. |
attributes |
List<attributeId> |
The list of parent asset attributes. |
tags |
List<tagId> |
The list of parent asset tags. |
timezone |
String |
The timezone of the parent asset. |
Output Example¶
