class ROM::Commands::Lazy::Update
Lazy
command wrapper for update commands
@api public
Public Instance Methods
call(*args)
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Execute a lazy update command
@return [Hash, Array<Hash>]
@api public
# File lib/rom/commands/lazy/update.rb, line 17 def call(*args) first = args.first last = args.last size = args.size if size > 1 && last.is_a?(Array) last.map.with_index do |parent, index| children = evaluator.call(first, index) children.map do |child| command_proc[command, parent, child].call(child, parent) end end.reduce(:concat) else input = evaluator.call(first) if input.is_a?(Array) input.map.with_index do |item, _index| command_proc[command, last, item].call(item, *args[1..size - 1]) end else command_proc[command, *(size > 1 ? [last, input] : [input])] .call(input, *args[1..size - 1]) end end end