<abstract> new JsonClientSupport( [authBuilder])
Constructor.
Parameters:
Name | Type | Argument | Description |
---|---|---|---|
authBuilder |
AuthorizationV2Builder |
<optional> |
the auth builder to authenticate requests with; if not provided then only public data can be queried |
Members
-
<protected> authBuilder :AuthorizationV2Builder
-
An authorization builder to use to make authenticated HTTP requests.
Type:
- AuthorizationV2Builder
Methods
-
client( [value])
-
Get or set a JSON HTTP client function to use.
The function must be compatible with
d3.json
and defaults to that. This provides a way to integrate a different HTTP client if needed, for example a mock implementation in tests.Parameters:
Name Type Argument Description value
function <optional>
the JSON client function, compatible with
d3.json
Returns:
when used as a getter, the JSON client function, otherwise this object
- Type
- function | DatumSourceFinder
-
fetch()
-
Asynchronously load the data.
This method calls
JsonClientSupport#load
to perform the actual work.Returns:
the result promise
- Type
- Promise.<*>
-
<abstract> load(callback)
-
Asynchronously load the data using a callback.
Extending classes must override this method to provide a useful implementation.
Parameters:
Name Type Description callback
JsonClientSupport~dataCallback the callback function to invoke
Returns:
- Type
- void
Type Definitions
-
dataCallback( [error], data)
-
The data callback function.
Parameters:
Name Type Argument Description error
Error <optional>
an error if a failure occurred
data
* the result data