require 'flydata/source'
require 'flydata/source/component'
require 'flydata/source/errors'

module Flydata
module Source

class SyncGenerateTableDdl < Component
  def self.inherited(child_class)
    Source.register(child_class, self)
  end

  def initialize(source, dp, options)
    super(source, options)
    @dp = dp
  end
  attr_reader :dp

  # Public Interface: Run compatibility check
  #
  # Run whatever check (compatibility, connectivity, privilege, etc) to ensure
  # that the 'sync:generate_table_ddl' command can run without an issue.
  #
  # Raises exception when check fails
  def run_compatibility_check
    raise UnsupportedSourceError,  "subclass must implement"
  end

  # Public Interface: Generate FlyData table definitions for given tables
  #
  # tables - An array of table names
  # options - A hash of options
  #
  # Returns flydata_tabledefs, errors
  #  flydata_tablesdefs - An array of FlyData tabledefs
  #  errors - An array of error hashes for tables whose tabledef generation failed
  def generate_flydata_tabledef(tables, options)
    raise UnsupportedSourceError,  "subclass must implement"
  end
end

end
end