ILIAS\MetaData\Elements\NullElement Class Reference

Inheritance diagram for ILIAS\MetaData\Elements\NullElement:

Collaboration diagram for ILIAS\MetaData\Elements\NullElement:

Public Member Functions
	isScaffold ()
	getData ()
	isMarked ()
	Elements can be marked to be created, updated or deleted. More...
	getMarker ()
	mark (MarkerFactoryInterface $factory, Action $action, string $data_value='')
	addScaffoldsToSubElements (ScaffoldProviderInterface $scaffold_provider)
	Scaffolds are used to mark where elements could potentially be created. More...
	addScaffoldToSubElements (ScaffoldProviderInterface $scaffold_provider, string $name)
	If possible, adds a scaffold with the given name to this element's sub-elements, and returns it. More...
	getSubElements ()
	getSuperElement ()
Public Member Functions inherited from ILIAS\MetaData\Elements\Base\NullBaseElement
	getMDID ()
	getDefinition ()
	Defining properties of the metadata element. More...
	getSubElements ()
	getSuperElement ()
	isRoot ()
Public Member Functions inherited from ILIAS\MetaData\Elements\Markers\MarkableInterface
	mark (MarkerFactoryInterface $factory, Action $action, string $data_value='')
	Leaves a trail of markers from this element up to the root element, or up to the first already marked element. More...

Detailed Description

Definition at line 32 of file NullElement.php.

Member Function Documentation

addScaffoldsToSubElements()

ILIAS\MetaData\Elements\NullElement::addScaffoldsToSubElements

(

ScaffoldProviderInterface

$scaffold_provider

)

Scaffolds are used to mark where elements could potentially be created.

Adds all possible scaffolds to this element's sub-elements.

Implements ILIAS\MetaData\Elements\Scaffolds\ScaffoldableInterface.

Definition at line 58 of file NullElement.php.

                                                                                           : void
    {
    }

addScaffoldToSubElements()

ILIAS\MetaData\Elements\NullElement::addScaffoldToSubElements	(	ScaffoldProviderInterface	$scaffold_provider,
		string	$name
	)

If possible, adds a scaffold with the given name to this element's sub-elements, and returns it.

Returns

ElementInterface[]

Implements ILIAS\MetaData\Elements\Scaffolds\ScaffoldableInterface.

Definition at line 62 of file NullElement.php.

                                                                                                        : ?ElementInterface
    {
        return null;
    }

getData()

ILIAS\MetaData\Elements\NullElement::getData

(

)

Implements ILIAS\MetaData\Elements\ElementInterface.

Definition at line 39 of file NullElement.php.

                             : DataInterface
    {
        return new NullData();
    }

getMarker()

ILIAS\MetaData\Elements\NullElement::getMarker

(

)

Implements ILIAS\MetaData\Elements\Markers\MarkableInterface.

Definition at line 49 of file NullElement.php.

                               : ?MarkerInterface
    {
        return new NullMarker();
    }

getSubElements()

ILIAS\MetaData\Elements\NullElement::getSubElements

(

)

Returns

ElementInterface[]

Implements ILIAS\MetaData\Elements\ElementInterface.

Definition at line 67 of file NullElement.php.

References ILIAS\ResourceStorage\Flavour\Machine\DefaultMachines\from().

                                    : \Generator
    {
        yield from [];
    }

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getSuperElement()

ILIAS\MetaData\Elements\NullElement::getSuperElement

(

)

Implements ILIAS\MetaData\Elements\ElementInterface.

Definition at line 72 of file NullElement.php.

                                     : ?ElementInterface
    {
        return null;
    }

isMarked()

ILIAS\MetaData\Elements\NullElement::isMarked

(

)

Elements can be marked to be created, updated or deleted.

Implements ILIAS\MetaData\Elements\Markers\MarkableInterface.

Definition at line 44 of file NullElement.php.

                              : bool
    {
        return false;
    }

isScaffold()

ILIAS\MetaData\Elements\NullElement::isScaffold

(

)

Implements ILIAS\MetaData\Elements\ElementInterface.

Definition at line 34 of file NullElement.php.

                                : bool
    {
        return false;
    }

mark()

ILIAS\MetaData\Elements\NullElement::mark	(	MarkerFactoryInterface	$factory,
		Action	$action,
		string	$data_value = ''
	)

Definition at line 54 of file NullElement.php.

    {
    }

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The documentation for this class was generated from the following file:

• Services/MetaData/classes/Elements/NullElement.php