openEO client class — OpenEOClient • openeo

An R6Class that interacts with an openEO compliant back-end.

Fields

user_id: The user_id obtained after authentication
api.mapping: The mapping of the API endpoints and the back-end published ones

$new(host=NULL): the constructor with an optional host URL to connect to
$getBackendEndpoint(endpoint_name): returns the URL for the requested endpoint tag
$request(tag,parameters=NULL,authorized=FALSE, ...): performs the desired HTTP request by endpoint tag with path parameters and whether or not authorization (access_token) is necessary
$isConnected(): whether or not the client has a host set
$isLoggedIn(): returns a logical describing whether the user is logged in
$getHost(): returns the host URL
$stopIfNotConnected(): throws an error if called and the client is not connected
$connect(url=NULL,version=NULL): connects to a specific version of a back-end
$disconnect(): disconnects from the back-end by logout and clearing of active back-end package variables
$api_version(): returns the openEO API version this client is compliant to
$login(user=NULL, password=NULL,provider=NULL,config=NULL): creates an IAuth() object
$logout(): invalidates the access_token and terminates the current session
$getAuthClient(): returns the authentication client
$setAuthClient(value): sets the authentication client if it was configured and set externally
$getCapabilities(): service exploration to retrieve the supported openEO endpoints
$getId(): returns the ID of the Connection as stated in the getCapabilities document
$getTitle(): returns the title of the connection as stated in the getCapabilities document

host: the openEO host URL
endpoint_name: the endpoint tag the client uses for the endpoints
tag: endpoint tag
parameters: named list of values to be replaced in the endpoint
authorized: whether or not the endpoint requires authentication via access_token
url: url of an openEO back-end either directly versioned or with the separate version statement
version: the openEO API version to be used, or a list of available API versions if set to NULL
user: the user name
password: the user password
value: an authentication object