Class: Cure::Coordinator

Inherits:
Object
  • Object
show all
Includes:
Configuration, Database, Helpers::PerfHelpers, Log
Defined in:
lib/cure/coordinator.rb

Overview

Coordinates the entire process: Extract -> Build -> Transform -> Export

Instance Method Summary collapse

Methods included from Helpers::PerfHelpers

#print_memory_usage, #print_time_spent

Methods included from Configuration

#config, #create_config, #register_config

Methods included from Database

#database_service, #init_database

Methods included from Log

#log_debug, #log_error, #log_info, #log_trace, #log_warn

Instance Method Details

#process ⇒ Object 



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# File 'lib/cure/coordinator.rb', line 24

def process
  # need to check config is init'd
  result = nil
  print_memory_usage do
    print_time_spent do
      # 1. Extract into SQLite
      extract
      # 2. Manipulate SQLite columns
      build
      # 3. Validate columns

      # 4. Transform each row
      with_tables.each do |table|
        with_transformer(table) do |transformer|
          with_exporters(table) do |exporters|
            database_service.with_paged_result(table) do |row|
              transformed_row = transformer.transform(row)
              exporters.each do |exporter|
                # 4. Export
                exporter.process_row(transformed_row)
              end
            end
          end
        end
      end
    end
  end

  result
end