Class: Factbase::Logged::Query

Inherits:
Object
  • Object
show all
Defined in:
lib/factbase/logged.rb

Overview

Query decorator.

This is an internal class, it is not supposed to be instantiated directly.

Instance Method Summary collapse

Constructor Details

#initialize(term, maps, tube, fb) ⇒ Query

Returns a new instance of Query.


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# File 'lib/factbase/logged.rb', line 127

def initialize(term, maps, tube, fb)
  @term = term
  @maps = maps
  @tube = tube
  @fb = fb
end

Instance Method Details

#delete!(_fb = nil) ⇒ Object 


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# File 'lib/factbase/logged.rb', line 184

def delete!(_fb = nil)
  r = nil
  start = Time.now
  before = @fb.size
  tail =
    Factbase::Logged.elapsed do
      r = @fb.query(@term).delete!(@fb)
    end
  raise ".delete! of #{@term.class} returned #{r.class}" unless r.is_a?(Integer)
  if before.zero?
    @tube.say(start, "There were no facts, nothing deleted by '#{@term}' #{tail}")
  elsif r.zero?
    @tube.say(start, "No facts out of #{before} deleted by '#{@term}' #{tail}")
  else
    @tube.say(start, "Deleted #{r} fact(s) out of #{before} by '#{@term}' #{tail}")
  end
  r
end

#each(fb = nil, params = {}) ⇒ Object 


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# File 'lib/factbase/logged.rb', line 134

def each(fb = nil, params = {}, &)
  return to_enum(__method__, fb, params) unless block_given?
  start = Time.now
  q = Factbase::Syntax.new(@term).to_term.to_s
  if block_given?
    r = nil
    tail =
      Factbase::Logged.elapsed do
        r = @fb.query(@term, @maps).each(@fb, params, &)
      end
    raise ".each of #{@term.class} returned #{r.class}" unless r.is_a?(Integer)
    if r.zero?
      @tube.say(start, "Nothing found by '#{q}' #{tail}")
    else
      @tube.say(start, "Found #{r} fact(s) by '#{q}' #{tail}")
    end
    r
  else
    array = []
    tail =
      Factbase::Logged.elapsed do
        @fb.query(@term, @maps).each(@fb, params) do |f|
          array << f
        end
      end
    if array.empty?
      @tube.say(start, "Nothing found by '#{q}' #{tail}")
    else
      @tube.say(start, "Found #{array.size} fact(s) by '#{q}' #{tail}")
    end
    array
  end
end

#one(_fb = nil, params = {}) ⇒ Object 


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# File 'lib/factbase/logged.rb', line 168

def one(_fb = nil, params = {})
  start = Time.now
  q = Factbase::Syntax.new(@term).to_term.to_s
  r = nil
  tail =
    Factbase::Logged.elapsed do
      r = @fb.query(@term, @maps).one(@fb, params)
    end
  if r.nil?
    @tube.say(start, "Nothing found by '#{q}' #{tail}")
  else
    @tube.say(start, "Found #{r} (#{r.class}) by '#{q}' #{tail}")
  end
  r
end