Module MementoLoader 

MementoLoader Module (Internal)

RESPONSIBILITIES

Loads memento state from disk for application initialization and recovery. Synchronously loads memento from JSON file, handles missing files and corrupted data.

ARCHITECTURAL ROLE

MementoLoader is part of the Internal::Persistence module, handling memento loading operations.

KEY COMPONENTS

• LoadInitialMementoFromDisk: Main function for loading memento

ERROR HANDLING

• Returns empty HashMap if file doesn’t exist
• Creates backup and returns empty on parse error
• Creates directory on read error

LOGGING

All operations are logged at appropriate levels (debug, info, warn, error).

PERFORMANCE CONSIDERATIONS

• Synchronous file I/O for initialization
• Proper error handling and recovery

TODO

• Add checksum validation
• Implement memento version migration
• Add incremental loading support

Functions

LoadInitialMementoFromDisk

Synchronously loads Memento storage data from a JSON file. Used during the initial default() setup of ApplicationState.

LoadMementoWithRecovery

Robust memento loading with comprehensive error handling.

attempt_memento_recovery 🔒

Attempt recovery for corrupted memento files.

create_corrupted_backup 🔒

Create backup of corrupted file with timestamp.