Class: FixtureFox::Idr

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Idr

Returns a new instance of Idr.



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# File 'lib/fixture_fox/idr.rb', line 20

def initialize
  @tables_hash = {}
  @data = {}
end

Instance Attribute Details

#data ⇒ Object (readonly) Also known as: to_h

Data as a hash from schema to table to id to record to field to value. Ie. { “schema” => { “table” => { 1 => { id: 1, name: “Alice” } } } }



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# File 'lib/fixture_fox/idr.rb', line 15

def data
  @data
end

#ids ⇒ Object (readonly)

Map from qualified table name to last used ID. FIXME: Unused?



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# File 'lib/fixture_fox/idr.rb', line 18

def ids
  @ids
end

#materialized_views ⇒ Object

List of materialized views that depends on the tables. Assigned by the analyzer FIXME: Is this in use?



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# File 'lib/fixture_fox/idr.rb', line 11

def materialized_views
  @materialized_views
end

Instance Method Details

#count ⇒ Object

Number of records



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# File 'lib/fixture_fox/idr.rb', line 26

def count()
  count = 0
  @data.each { |_, tables| tables.each { |_, records| count += records.size } }
  count
end

#dump ⇒ Object 



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# File 'lib/fixture_fox/idr.rb', line 49

def dump
  data.sort_by(&:first).each { |schema, tables|
    puts schema
    tables.each { |table, records|
      puts "  #{table}"
      records.each { |id, fields|
        puts "    #{fields.inspect}"
      }
    }
  }
end

#put(schema, table, id = nil, field = nil, value = nil) ⇒ Object

Add a field to the data representation. If field and value are nil, an empty record will be created. If id is also nil, an empty table is created



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# File 'lib/fixture_fox/idr.rb', line 36

def put(schema, table, id = nil, field = nil, value = nil)
#     puts "Idr.put(#{schema}, #{table}, #{id.inspect}, #{field.inspect}, #{value.inspect})"
  !id.nil? || field.nil? or raise ArgumentError
  raise if table.to_s =~ /[A-Z]/
  uid = "#{schema}.#{table}"
  @tables_hash[uid] = true
  return if id.nil?
  tuple = ((@data[schema] ||= {})[table] ||= {})[id] ||= {id: id}
  tuple[field.to_sym] = value if field
end

#tables ⇒ Object

Qualified names of controlled tables



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# File 'lib/fixture_fox/idr.rb', line 7

def tables() @tables_hash.keys end