Module: Mudis::Persistence

Included in:
Mudis
Defined in:
lib/mudis/persistence.rb

Overview

Persistence module handles snapshot save/load operations for warm boot support

Instance Method Summary collapse

Instance Method Details

#install_persistence_hook! ⇒ Object

Installs an at_exit hook to save the snapshot on process exit



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# File 'lib/mudis/persistence.rb', line 30

def install_persistence_hook!
  return unless @persistence_enabled
  return if defined?(@persistence_hook_installed) && @persistence_hook_installed

  at_exit { save_snapshot! }
  @persistence_hook_installed = true
end

#load_snapshot! ⇒ Object

Loads the cache state from disk for persistence



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# File 'lib/mudis/persistence.rb', line 19

def load_snapshot!
  return unless @persistence_enabled
  return unless File.exist?(@persistence_path)

  data = read_snapshot
  snapshot_restore(data)
rescue StandardError => e
  warn "[Mudis] Failed to load snapshot: #{e.class}: #{e.message}"
end

#save_snapshot! ⇒ Object

Saves the current cache state to disk for persistence



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# File 'lib/mudis/persistence.rb', line 9

def save_snapshot!
  return unless @persistence_enabled

  data = snapshot_dump
  safe_write_snapshot(data)
rescue StandardError => e
  warn "[Mudis] Failed to save snapshot: #{e.class}: #{e.message}"
end