Class: Tataru::Instructions::RescmpInstruction

Inherits:
ResourceInstruction show all
Includes:
RomReader
Defined in:
lib/tataru/instructions/rescmp_instruction.rb

Overview

compares resource in temp and resource in top

Instance Attribute Summary

Attributes inherited from Tataru::Instruction

#memory

Instance Method Summary collapse

Methods included from RomReader

#resolve, #resolve_array, #resolve_hash, #resolve_output, #rom

Methods inherited from ResourceInstruction

#desc

Methods inherited from Tataru::Instruction

#execute, expects

Instance Method Details

#compare(current, desired) ⇒ Object 



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# File 'lib/tataru/instructions/rescmp_instruction.rb', line 22

def compare(current, desired)
  result = :no_change
  desc.mutable_fields.each do |field|
    result = :modify if current[field] != desired[field]
  end
  desc.immutable_fields.each do |field|
    result = :recreate if current[field] != desired[field]
  end
  result
end

#run ⇒ Object 



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# File 'lib/tataru/instructions/rescmp_instruction.rb', line 9

def run
  raise 'Not found' unless rom.key? resource_name

  update!
end

#update! ⇒ Object 



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# File 'lib/tataru/instructions/rescmp_instruction.rb', line 15

def update!
  current = memory.hash[:temp][resource_name]
  desired = resolve(rom[resource_name])

  memory.hash[:update_action][resource_name] = compare(current, desired)
end