/**
 * StorageError - Error domain for storage operations
 * 
 * Defines error codes for storage layer operations including
 * Dbm operations, serialization, and entity persistence.
 * 
 * @version 0.1
 * @since 0.1
 */
namespace Implexus.Storage {

/**
 * Error domain for storage operations.
 * 
 * These errors can occur during:
 * - Database open/close operations
 * - Read/write operations
 * - Transaction management
 * - Data serialization/deserialization
 */
public errordomain StorageError {
    /** I/O error during file operations */
    IO_ERROR,
    
    /** Data corruption detected */
    CORRUPT_DATA,
    
    /** Requested key was not found */
    KEY_NOT_FOUND,
    
    /** Database is already open */
    ALREADY_OPEN,
    
    /** Database is not open */
    NOT_OPEN,
    
    /** Transaction is already active */
    TRANSACTION_ACTIVE,
    
    /** No transaction is active */
    NO_TRANSACTION,
    
    /** Transaction commit failed */
    COMMIT_FAILED,
    
    /** Transaction rollback failed */
    ROLLBACK_FAILED,
    
    /** Invalid key format */
    INVALID_KEY,
    
    /** Invalid data format */
    INVALID_DATA,
    
    /** Storage quota exceeded */
    QUOTA_EXCEEDED,
    
    /** Permission denied */
    PERMISSION_DENIED,
    
    /** Unknown storage error */
    UNKNOWN
}

} // namespace Implexus.Storage