Class: Apollo::Fetcher::SmartFetcher

Inherits:
BaseFetcher show all
Defined in:
lib/apollo_crawler/fetcher/smart_fetcher.rb

Constant Summary collapse

@@DEFAULT_SLEEP = 
1.0
@@LAST_FETCH = 
nil

Class Method Summary collapse

Class Method Details

.fetch(url) ⇒ Object 



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# File 'lib/apollo_crawler/fetcher/smart_fetcher.rb', line 32

def self.fetch(url)
	# TODO: Throw exception ???
	if(@@LAST_FETCH != nil)
		now = DateTime.now
		last = @@LAST_FETCH
		diff = @@DEFAULT_SLEEP - (last - now)
		sleep(diff)
	end

	res = BaseFetcher::fetch(url)

	@@LAST_FETCH = DateTime.now
	return res
end