Comments (4)
Since WoT is meant to describe how to interact with things rather than how to store their data, it may be better to keep it out of HDS. We can instead implement a WoT registry as a standalone component (perhaps as the new Resource Catalog API) with Thing Descriptions including properties of DGW and HDS endpoints (as the example above).
The separation of concern helps in:
- keeping HDS codebase and functionality to storage only
- independent development and deployment of WoT registry and HDS
- use of WoT registry without storage functionalities
from historical-datastore.
It is still not clear. which of the following are you proposing?
- No registry for HDS at all. An independent Resource Catalog (RC) will store all the metadata in WoT TD format.
- There is a registry for HDS which stores HDS data in WOT TD format+ there is a separate Resource Catalog that stores all the resources including HDS streams (in WOT TD format).
- There is a registry for HDS which stores HDS data in non-standard format (Current state) + there is a separate Resource Catalog that stores all the resources including HDS streams (in WOT TD format).
from historical-datastore.
Last option.
from historical-datastore.
Okay. makes sense. closing the issue. We need a strategy for a registrator which takes care of registration of new streams in HDS in the Resource Catalog and does the bookkeeping in order to keep the HDS Registry and the RC registry consistent with each other.
from historical-datastore.
Related Issues (20)
- count is not working HOT 1
- Move documentation to Github
- Support for data exporter
- Avoid idempotent POST method for registry HOT 2
- Data with ms time ignored without error
- Document the DNS-SD details
- Querying multiple data streams: Fix the sorting
- Supporting hierarchy in data streams HOT 4
- Support for deleting the data between specific range
- GRPC APIs for registry
- Connectors from HDS
- Authentication for GRPC APIs HOT 2
- Enable authentication to sqlite db HOT 2
- Status ok when querying wrong filter endpoint
- Database lock error when posting many pages HOT 3
- Add aggregation support in data API HOT 1
- Add support for retention management HOT 1
- Using enum type for "denormalize" query parameter
- Internal server error when filter operator is invalid
- Supporting custom fields in SenML
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from historical-datastore.