Verifies gexfPath is empty.
Verifies gexfPath is empty.
Array[Row] of elements in format (crawl_date, src_domain, dest_domain, count)
output file
Produces the GEXF output from an Array[Row] and outputs it to gexfPath.
Produces the GEXF output from an Array[Row] and outputs it to gexfPath.
a Array[Row] of elements in format (crawl_date, src_domain, dest_domain, count)
output file
true on success.