Class ElggAttributeLoader

Loads ElggEntity attributes from DB or validates those passed in via constructor

Package: Elgg\Core\DataModel
Located at ElggAttributeLoader.php

Methods summary
`public`	# `__construct( string $class, string $required_type, array $initialized_attrs )` Constructor Constructor Parameters `$class` `string` $class class of object being loaded `$required_type` `string` $required_type entity type this is being used to populate `$initialized_attrs` `array` $initialized_attrs attributes after initializeAttributes() has been run Throws `InvalidArgumentException`
`protected array`	# `isMissingPrimaries( stdClass $row )` Get primary attributes missing that are missing Get primary attributes missing that are missing Parameters `$row` `stdClass` $row Database row Returns `array`
`protected array`	# `isMissingSecondaries( stdClass $row )` Get secondary attributes that are missing Get secondary attributes that are missing Parameters `$row` `stdClass` $row Database row Returns `array`
`protected`	# `checkType( stdClass $row )` Check that the type is correct Check that the type is correct Parameters `$row` `stdClass` $row Database row Throws `InvalidClassException`
`public array`	# `getRequiredAttributes( mixed $row )` Get all required attributes for the entity, validating any that are passed in. Returns empty array if can't be loaded (Check $failure_reason). Get all required attributes for the entity, validating any that are passed in. Returns empty array if can't be loaded (Check $failure_reason). This function splits loading between "primary" attributes (those in {prefix}entities table) and "secondary" attributes (e.g. those in {prefix}objects_entity), but can load all at once if a combined loader is available. Parameters `$row` `mixed` $row a row loaded from DB (array or stdClass) or a GUID Returns `array` will be empty if failed to load all attributes (access control or entity doesn't exist) Throws `InvalidArgumentException\|LogicException\|IncompleteEntityException`
`protected array`	# `filterAddedColumns( array $row )` Filter out keys returned by the query which should not appear in the entity's attributes Filter out keys returned by the query which should not appear in the entity's attributes Parameters `$row` `array` $row All columns from the query Returns `array` Columns acceptable for the entity's attributes

Properties summary
`protected static array`	`$primary_attr_names`	`array( 'guid', 'type', 'subtype', 'owner_guid', 'container_guid', 'site_guid', 'access_id', 'time_created', 'time_updated', 'last_action', 'enabled', )`	# names of attributes in all entities names of attributes in all entities
`protected array`	`$secondary_attr_names`	`array()`	# names of secondary attributes required for the entity names of secondary attributes required for the entity
`protected string`	`$required_type`		# entity type (not class) required for fetched primaries entity type (not class) required for fetched primaries
`protected array`	`$initialized_attributes`		#
`protected string`	`$class`		# class of object being loaded class of object being loaded
`public boolean`	`$requires_access_control`	`true`	# should access control be considered when fetching entity? should access control be considered when fetching entity?
`public callable`	`$primary_loader`	`'get_entity_as_row'`	# function used to load attributes from {prefix}entities table function used to load attributes from {prefix}entities table
`public callable`	`$secondary_loader`	`''`	# function used to load attributes from secondary table function used to load attributes from secondary table
`public callable`	`$full_loader`	`''`	# function used to load all necessary attributes function used to load all necessary attributes