Class: ArcFurnace::MultiCSVSource

Inherits:
Source show all
Includes:
CSVToHashWithDuplicateHeaders
Defined in:
lib/arc-furnace/multi_csv_source.rb

Instance Attribute Summary collapse

Attributes inherited from Node

#error_handler, #node_id, #params

Instance Method Summary collapse

Methods included from CSVToHashWithDuplicateHeaders

#csv_to_hash_with_duplicates

Methods inherited from Source

#close, #finalize, #prepare, #row

Constructor Details

#initialize(filenames:, encoding: 'UTF-8') ⇒ MultiCSVSource

Returns a new instance of MultiCSVSource.



11
12
13
14
15
 
# File 'lib/arc-furnace/multi_csv_source.rb', line 11

def initialize(filenames: , encoding: 'UTF-8')
  @encoding = encoding
  @filenames = filenames.reverse
  open_next_file
end

Instance Attribute Details

#file ⇒ Object (readonly)

Returns the value of attribute file.



9
10
11
 
# File 'lib/arc-furnace/multi_csv_source.rb', line 9

def file
  @file
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



9
10
11
 
# File 'lib/arc-furnace/multi_csv_source.rb', line 9

def value
  @value
end

Instance Method Details

#advance ⇒ Object 



22
23
24
 
# File 'lib/arc-furnace/multi_csv_source.rb', line 22

def advance
  advance_in_current_file || open_next_file
end

#empty? ⇒ Boolean

Is this source empty?

Returns:

  • (Boolean) 


18
19
20
 
# File 'lib/arc-furnace/multi_csv_source.rb', line 18

def empty?
  !value
end