Class: Factual::Row

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

Overview

This class holds the subject_key, subject (in array) and facts (Factual::Fact objects) of a Factual Subject.

The subject_key and subject array can be accessable directly from attributes, and you can get a fact by row[field_ref].

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(table, subject_key, row_data = []) ⇒ Row

:nodoc:



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# File 'lib/factual.rb', line 254

def initialize(table, subject_key, row_data=[]) # :nodoc:
  @subject_key = subject_key

  @table       = table
  @fields      = @table.fields
  @table_key   = @table.key
  @adapter     = @table.adapter

  if row_data.empty? && subject_key
    single_row_mode = true
    row_data = @adapter.read_row(@table_key, subject_key) 
  end

  idx_offset = single_row_mode ? 1 : 0;

  @subject     = []
  @fields.each_with_index do |f, idx|
    next unless f["isPrimary"]
    @subject << row_data[idx + idx_offset]
  end

  @facts_hash  = {}
  @fields.each_with_index do |f, idx|
    next if f["isPrimary"]
    @facts_hash[f["field_ref"]] = Fact.new(@table, @subject_key, f, row_data[idx + idx_offset])
  end
end

Instance Attribute Details

#subject ⇒ Object (readonly)

Returns the value of attribute subject.



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# File 'lib/factual.rb', line 252

def subject
  @subject
end

#subject_key ⇒ Object (readonly)

Returns the value of attribute subject_key.



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# File 'lib/factual.rb', line 252

def subject_key
  @subject_key
end

Instance Method Details

#[](field_ref) ⇒ Object

Get a Factual::Fact object by field_ref

Sample: 

city_info = table.filter(:state => 'CA').find_one
city_info['city_name']



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# File 'lib/factual.rb', line 287

def [](field_ref)
  @facts_hash[field_ref]
end