Struct HandlerRegistry 

pub struct HandlerRegistry { /* private fields */ }

Registry of event handlers for validation.

Implementations

impl HandlerRegistry

pub fn new() -> Self

Creates a new empty registry.

pub fn load_from_json(path: &Path) -> Result<Self, Box<dyn Error>>

Loads a handler registry from a JSON file.

Arguments

• path - Path to the JSON file containing handler definitions

Returns

A Result containing the registry or an error if loading fails.

Example JSON format

[
  {
    "name": "increment",
    "param_type": null,
    "returns_command": false
  },
  {
    "name": "setValue",
    "param_type": "i32",
    "returns_command": true
  }
]

pub fn contains(&self, name: &str) -> bool

Checks if a handler is registered.

Arguments

• name - Handler name to check

Returns

true if the handler is registered, false otherwise.

pub fn all_names(&self) -> Vec<String>

Gets all handler names.

Returns

A vector of all registered handler names.

pub fn add_handler(&mut self, handler: HandlerDefinition)

Adds a handler to the registry.

pub fn len(&self) -> usize

Gets the number of registered handlers.

pub fn is_empty(&self) -> bool

Checks if the registry is empty.

Trait Implementations

impl Clone for HandlerRegistry

fn clone(&self) -> HandlerRegistry

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for HandlerRegistry

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for HandlerRegistry

fn default() -> HandlerRegistry

Returns the “default value” for a type.