The GetOneHop Hierarchy Manager request fetches information about the entities directly related to the group of entities that you specify in a Hierarchy Manager configuration.
The request contains the Hierarchy Manager configuration, a list of entity keys, and the filtering criteria. The response contains lists of entity records and relationships, and a search token to use for fetching additional information. Use GetOneHop to understand relationships between records in a hierarchy.
For timeline-enabled entities, the request must include the EffectiveDate parameter value.
When you use GetOneHop to calculate the best version of the truth for many records, increase the value of the following properties in
You must also increase the transaction timeout value of the application server.
Use Case
This following scenario uses the GetOneHop request:
Fetch one level of entities and relationships associated with a specific HM entity or entities
If the Hierarchy Manager is populated with data, use GetOneHop to get a single level of entities and relationships associated with one or more entities.