Class: Ddr::Index::QueryResult

Inherits:
AbstractQueryResult show all
Defined in:
lib/ddr/index/query_result.rb

Constant Summary collapse

PAGE_SIZE = 
1000

Instance Attribute Summary

Attributes inherited from AbstractQueryResult

#conn, #query

Instance Method Summary collapse

Methods inherited from AbstractQueryResult

#count, #initialize

Constructor Details

This class inherits a constructor from Ddr::Index::AbstractQueryResult

Instance Method Details

#all ⇒ Object 



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# File 'lib/ddr/index/query_result.rb', line 44

def all
  to_a
end

#docs ⇒ Object 



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# File 'lib/ddr/index/query_result.rb', line 36

def docs
  Enumerator.new do |e|
    each do |doc|
      e << DocumentBuilder.build(doc)
    end
  end
end

#each(&block) ⇒ Object 



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# File 'lib/ddr/index/query_result.rb', line 8

def each(&block)
  if params[:rows]
    each_unpaginated(&block)
  else
    each_paginated(&block)
  end
end

#each_paginated(&block) ⇒ Object 



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# File 'lib/ddr/index/query_result.rb', line 20

def each_paginated(&block)
  pages.each { |pg| pg.each(&block) }
end

#each_pid(&block) ⇒ Object 



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# File 'lib/ddr/index/query_result.rb', line 32

def each_pid(&block)
  pids.each(&block)
end

#each_unpaginated(&block) ⇒ Object 



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# File 'lib/ddr/index/query_result.rb', line 16

def each_unpaginated(&block)
  conn.select(params).docs.each(&block)
end

#page(num) ⇒ Object 



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# File 'lib/ddr/index/query_result.rb', line 62

def page(num)
  page_params = params.dup
  page_size = page_params.delete(:rows) || PAGE_SIZE
  response = conn.page num, page_size, "select", params: page_params
  response.docs
end

#pages ⇒ Object 



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# File 'lib/ddr/index/query_result.rb', line 48

def pages
  num = 1
  Enumerator.new do |e|
    loop do
      pg = page(num)
      e << pg
      unless pg.has_next?
        break
      end
      num += 1
    end
  end
end

#pids ⇒ Object 



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# File 'lib/ddr/index/query_result.rb', line 24

def pids
  Enumerator.new do |e|
    each do |doc|
      e << doc[Fields::PID]
    end
  end
end