Class: SWIPL::Query

Inherits:
Object
  • Object
show all
Defined in:
lib/swipl/query.rb

Instance Method Summary collapse

Constructor Details

#initialize(qid, terms) ⇒ Query

Returns a new instance of Query.



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# File 'lib/swipl/query.rb', line 4

def initialize( qid, terms )
	@query_id = qid
	@terms = terms
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/swipl/query.rb', line 19

def close
	CFFI.PL_close_query( @query_id )
end

#each_solution ⇒ Object 



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# File 'lib/swipl/query.rb', line 13

def each_solution
	while next_solution?
		yield(@terms)
	end
end

#next_solution? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/swipl/query.rb', line 9

def next_solution?
	CFFI.PL_next_solution( @query_id ) == PL_TRUE 
end