Module: Tripod::CriteriaExecution

Extended by:
ActiveSupport::Concern
Included in:
Criteria
Defined in:
lib/tripod/criteria/execution.rb

Overview

this module provides execution methods to a criteria object

Instance Method Summary collapse

Instance Method Details

#count ⇒ Object

Return how many records the current criteria would return



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# File 'lib/tripod/criteria/execution.rb', line 26

def count
  sq = Tripod::SparqlQuery.new(build_select_query)
  count_sparql = sq.as_count_query_str
  result = Tripod::SparqlClient::Query.select(count_sparql)
  result[0][".1"]["value"].to_i
end

#first ⇒ Object

Execute the query and return the first result as a hydrated resource



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# File 'lib/tripod/criteria/execution.rb', line 19

def first
  sq = Tripod::SparqlQuery.new(build_select_query)
  first_sparql = sq.as_first_query_str
  resources_from_sparql(first_sparql).first
end

#resources ⇒ Object

Execute the query and return a ResourceCollection of all hydrated resources ResourceCollection is an Enumerable, Array-like object.



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# File 'lib/tripod/criteria/execution.rb', line 11

def resources
  Tripod::ResourceCollection.new(
    resources_from_sparql(build_select_query)
  )
end