Call the Graph API batch endpoint
call_batch_endpoint(token, requests = list(), depends_on = NULL, api_version = getOption("azure_graph_api_version"))
An Azure OAuth token, of class AzureToken.
A list of graph_request objects, representing individual requests to the Graph API.
An optional named vector, or TRUE. See below.
The API version to use, which will form part of the URL sent to the host.
Use this function to combine multiple requests into a single HTTPS call. This can save significant network latency.
depends_on argument specifies the dependencies that may exist between requests. The default is to treat the requests as independent, which allows them to be executed in parallel. If
depends_on is TRUE, each request is specified as depending on the immediately preceding request. Otherwise, this should be a named vector or list that gives the dependency or dependencies for each request.
There are 2 restrictions on
If one request has a dependency, then all requests must have dependencies specified
A request can only depend on previous requests in the list, not on later ones.
A request list that has dependencies will be executed serially.
A list containing the responses to each request. Each item has components
status at a minimum. It may also contain
body, depending on the specifics of the request.
## Not run: req1 <- graph_request$new("me") # a new email message in Outlook req_create <- graph_request$new("me/messages", body=list( body=list( content="Hello from R", content_type="text" ), subject="Hello", toRecipients="firstname.lastname@example.org" ), http_verb="POST" ) # messages in drafts req_get <- graph_request$new("me/mailFolders/drafts/messages") # requests are dependent: 2nd list of drafts will include just-created message call_batch_endpoint(token, list(req_get, req_create, req_get), depends_on=TRUE) # alternate way: enumerate all requests call_batch_endpoint(token, list(req_get, req_create, req_get), depends_on=c("2"=1, "3"=2)) ## End(Not run)
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