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# A pattern extraction class EmptyDataBreaker # Eklas should be the kind of exception you want to raise def initialize(eklas) @eklas = eklas end # Call this with an included block, it will # raise your given exception if the results are empty def run(*args, &block) result = block.call(*args) raise @eklas if result.blank? return result end end # Used as follows breaker = EmptyDataBreaker.new(NoDataException) begin result = breaker.run { ... } result2 = breaker.run { ... } return result2 rescue NoDataException end