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CakePHP

C CakePHP 4.6 Strawberry API

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Class TaskRegistry

Registry for Tasks. Provides features for lazily loading tasks.

Namespace: Cake\Console

Property Summary

  • $_Shell protected
    Cake\Console\Shell

    Shell to use to set params to tasks.

  • $_loaded protected
    array<object>

    Map of loaded objects.

Method Summary

  • __construct() public

    Constructor

  • __debugInfo() public

    Debug friendly object properties.

  • __get() public

    Provide public read access to the loaded objects

  • __isset() public

    Provide isset access to _loaded

  • __set() public

    Sets an object.

  • __unset() public

    Unsets an object.

  • _checkDuplicate() protected

    Check for duplicate object loading.

  • _create() protected

    Create the task instance.

  • _resolveClassName() protected

    Resolve a task classname.

  • _throwMissingClassError() protected

    Throws an exception when a task is missing.

  • count() public

    Returns the number of loaded objects.

  • get() public

    Get loaded object instance.

  • getIterator() public

    Returns an array iterator.

  • has() public

    Check whether a given object is loaded.

  • load() public

    Loads/constructs an object instance.

  • loaded() public

    Get the list of loaded objects.

  • normalizeArray() public

    Normalizes an object array, creates an array that makes lazy loading easier

  • reset() public

    Clear loaded instances in the registry.

  • set() public

    Set an object directly into the registry by name.

  • unload() public

    Remove an object from the registry.

Method Detail

__construct() ¶ public

__construct(Cake\Console\Shell $shell)

Constructor

Parameters
Cake\Console\Shell $shell

Shell instance

__debugInfo() ¶ public

__debugInfo(): array<string, mixed>

Debug friendly object properties.

Returns
array<string, mixed>

__get() ¶ public

__get(string $name): object|null

Provide public read access to the loaded objects

Parameters
string $name

Name of property to read

Returns
object|null

__isset() ¶ public

__isset(string $name): bool

Provide isset access to _loaded

Parameters
string $name

Name of object being checked.

Returns
bool

__set() ¶ public

__set(string $name, object $object): void

Sets an object.

Parameters
string $name

Name of a property to set.

object $object

Object to set.

Returns
void

__unset() ¶ public

__unset(string $name): void

Unsets an object.

Parameters
string $name

Name of a property to unset.

Returns
void

_checkDuplicate() ¶ protected

_checkDuplicate(string $name, array<string, mixed> $config): void

Check for duplicate object loading.

If a duplicate is being loaded and has different configuration, that is bad and an exception will be raised.

An exception is raised, as replacing the object will not update any references other objects may have. Additionally, simply updating the runtime configuration is not a good option as we may be missing important constructor logic dependent on the configuration.

Parameters
string $name

The name of the alias in the registry.

array<string, mixed> $config

The config data for the new instance.

Returns
void
Throws
RuntimeException
When a duplicate is found.

_create() ¶ protected

_create(object|string $class, string $alias, array<string, mixed> $config): Cake\Console\Shell

Create the task instance.

Part of the template method for Cake\Core\ObjectRegistry::load()

Parameters
object|string $class

The classname to create.

string $alias

The alias of the task.

array<string, mixed> $config

An array of settings to use for the task.

Returns
Cake\Console\Shell

_resolveClassName() ¶ protected

_resolveClassName(string $class): string|null

Resolve a task classname.

Part of the template method for {@link \Cake\Core\ObjectRegistry::load()}.

Parameters
string $class

Partial classname to resolve.

Returns
string|null

_throwMissingClassError() ¶ protected

_throwMissingClassError(string $class, string|null $plugin): void

Throws an exception when a task is missing.

Part of the template method for Cake\Core\ObjectRegistry::load() and Cake\Core\ObjectRegistry::unload()

Parameters
string $class

The classname that is missing.

string|null $plugin

The plugin the task is missing in.

Returns
void
Throws
Cake\Console\Exception\MissingTaskException

count() ¶ public

count(): int

Returns the number of loaded objects.

Returns
int

get() ¶ public

get(string $name): object

Get loaded object instance.

Parameters
string $name

Name of object.

Returns
object
Throws
RuntimeException
If not loaded or found.

getIterator() ¶ public

getIterator(): Traversable

Returns an array iterator.

Returns
Traversable

has() ¶ public

has(string $name): bool

Check whether a given object is loaded.

Parameters
string $name

The object name to check for.

Returns
bool

load() ¶ public

load(string $name, array<string, mixed> $config = []): mixed

Loads/constructs an object instance.

Will return the instance in the registry if it already exists. If a subclass provides event support, you can use $config['enabled'] = false to exclude constructed objects from being registered for events.

Using {@link \Cake\Controller\Component::$components} as an example. You can alias an object by setting the 'className' key, i.e.,

protected $components = [
  'Email' => [
    'className' => 'App\Controller\Component\AliasedEmailComponent'
  ];
];

All calls to the Email component would use AliasedEmail instead.

Parameters
string $name

The name/class of the object to load.

array<string, mixed> $config optional

Additional settings to use when loading the object.

Returns
mixed
Throws
Exception
If the class cannot be found.

loaded() ¶ public

loaded(): array<string>

Get the list of loaded objects.

Returns
array<string>

normalizeArray() ¶ public

normalizeArray(array $objects): array<string, array>

Normalizes an object array, creates an array that makes lazy loading easier

Parameters
array $objects

Array of child objects to normalize.

Returns
array<string, array>

reset() ¶ public

reset(): $this

Clear loaded instances in the registry.

If the registry subclass has an event manager, the objects will be detached from events as well.

Returns
$this

set() ¶ public

set(string $name, object $object): $this

Set an object directly into the registry by name.

If this collection implements events, the passed object will be attached into the event manager

Parameters
string $name

The name of the object to set in the registry.

object $object

instance to store in the registry

Returns
$this

unload() ¶ public

unload(string $name): $this

Remove an object from the registry.

If this registry has an event manager, the object will be detached from any events as well.

Parameters
string $name

The name of the object to remove from the registry.

Returns
$this

Property Detail

$_Shell ¶ protected

Shell to use to set params to tasks.

Type
Cake\Console\Shell

$_loaded ¶ protected

Map of loaded objects.

Type
array<object>
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