Create a remote R session if none exists. If a remote R session already exists, it will be reused. Returns a logical indicating if a remote R session exists accessible through this connection.
Arguments
- conn
An object that inherits from
DSConnection-class.- async
Whether the result of the call should be retrieved asynchronously. When TRUE (default) the calls are parallelized over the connections, when the connection supports that feature, with an extra overhead of requests.
Value
An object of class DSSession-class representing the remote R session.
See also
Other DSConnection generics:
DSConnection-class,
dsAggregate(),
dsAssignExpr(),
dsAssignResource(),
dsAssignTable(),
dsDisconnect(),
dsGetInfo(),
dsHasResource(),
dsHasSession(),
dsHasTable(),
dsIsAsync(),
dsKeepAlive(),
dsListMethods(),
dsListPackages(),
dsListProfiles(),
dsListResources(),
dsListSymbols(),
dsListTables(),
dsListWorkspaces(),
dsRestoreWorkspace(),
dsRmSymbol(),
dsRmWorkspace(),
dsSaveWorkspace()
Examples
if (FALSE) { # \dontrun{
con <- dsConnect(DSOpal::Opal(), "server1",
username = "dsuser", password = "password", url = "https://opal-demo.obiba.org")
dsSession(con, async=TRUE)
dsDisconnect(con)
} # }