ilMDMetaMetadata Class Reference

Inheritance diagram for ilMDMetaMetadata:

Collaboration diagram for ilMDMetaMetadata:

Public Member Functions
	getPossibleSubelements ()
	getIdentifierIds ()
	getIdentifier (int $a_identifier_id)
	addIdentifier ()
	getContributeIds ()
	getContribute (int $a_contribute_id)
	addContribute ()
	setMetaDataScheme (string $a_val)
	getMetaDataScheme ()
	setLanguage (ilMDLanguageItem $lng_obj)
	getLanguage ()
	getLanguageCode ()
	save ()
	update ()
	delete ()
	__getFields ()
	read ()
	toXML (ilXmlWriter $writer)
Public Member Functions inherited from ilMDBase
	__construct (int $a_rbac_id=0, int $a_obj_id=0, string $a_type='')
	constructor More...
	read ()
	setRBACId (int $a_id)
	getRBACId ()
	setObjId (int $a_id)
	getObjId ()
	setObjType (string $a_type)
	getObjType ()
	setMetaId (int $a_meta_id, bool $a_read_data=true)
	getMetaId ()
	setParentType (string $a_parent_type)
	getParentType ()
	setParentId (int $a_id)
	getParentId ()
	setExportMode (bool $a_export_mode=true)
	getExportMode ()
	validate ()
	update ()
	save ()
	delete ()
	toXML (ilXmlWriter $writer)

Static Public Member Functions
static	_getId (int $a_rbac_id, int $a_obj_id)

Private Attributes
string	$meta_data_scheme = 'LOM v 1.0'
ilMDLanguageItem	$language = null

Additional Inherited Members
Protected Attributes inherited from ilMDBase
ilLogger	$log
ilDBInterface	$db

Detailed Description

Definition at line 26 of file class.ilMDMetaMetadata.php.

Member Function Documentation

__getFields()

ilMDMetaMetadata::__getFields

(

)

Returns

array<string, array<string, mixed>>

Definition at line 174 of file class.ilMDMetaMetadata.php.

                                 : array
    {
        return array(
            'rbac_id' => array('integer', $this->getRBACId()),
            'obj_id' => array('integer', $this->getObjId()),
            'obj_type' => array('text', $this->getObjType()),
            'meta_data_scheme' => array('text', $this->getMetaDataScheme()),
            'language' => array('text', $this->getLanguageCode())
        );
    }

References getLanguageCode(), getMetaDataScheme(), ilMDBase\getObjId(), ilMDBase\getObjType(), and ilMDBase\getRBACId().

Referenced by save(), and update().

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_getId()

static ilMDMetaMetadata::_getId ( int  $a_rbac_id, int  $a_obj_id  )

static

Definition at line 241 of file class.ilMDMetaMetadata.php.

                                                                : int
    {
        global $DIC;
 
        $ilDB = $DIC->database();
 
        $query = "SELECT meta_meta_data_id FROM il_meta_meta_data " .
            "WHERE rbac_id = " . $ilDB->quote($a_rbac_id, 'integer') . " " .
            "AND obj_id = " . $ilDB->quote($a_obj_id, 'integer');
 
        $res = $ilDB->query($query);
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            return (int) $row->meta_meta_data_id;
        }
        return 0;
    }

References $DIC, $ilDB, $query, $res, and ilDBConstants\FETCHMODE_OBJECT.

Referenced by ilMD\getMetaMetadata().

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addContribute()

ilMDMetaMetadata::addContribute

(

)

Definition at line 91 of file class.ilMDMetaMetadata.php.

                                   : ilMDContribute
    {
        $con = new ilMDContribute($this->getRBACId(), $this->getObjId(), $this->getObjType());
        $con->setParentId($this->getMetaId());
        $con->setParentType('meta_meta_data');
 
        return $con;
    }

References ilMDBase\getMetaId(), ilMDBase\getObjId(), ilMDBase\getObjType(), and ilMDBase\getRBACId().

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addIdentifier()

ilMDMetaMetadata::addIdentifier

(

)

Definition at line 63 of file class.ilMDMetaMetadata.php.

                                   : ilMDIdentifier
    {
        $ide = new ilMDIdentifier($this->getRBACId(), $this->getObjId(), $this->getObjType());
        $ide->setParentId($this->getMetaId());
        $ide->setParentType('meta_meta_data');
 
        return $ide;
    }

References ilMDBase\getMetaId(), ilMDBase\getObjId(), ilMDBase\getObjType(), and ilMDBase\getRBACId().

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delete()

ilMDMetaMetadata::delete

(

)

Reimplemented from ilMDBase.

Definition at line 149 of file class.ilMDMetaMetadata.php.

                            : bool
    {
        if ($this->getMetaId()) {
            $query = "DELETE FROM il_meta_meta_data " .
                "WHERE meta_meta_data_id = " . $this->db->quote($this->getMetaId(), 'integer');
            $res = $this->db->manipulate($query);
 
            foreach ($this->getIdentifierIds() as $id) {
                $ide = $this->getIdentifier($id);
                $ide->delete();
            }
 
            foreach ($this->getContributeIds() as $id) {
                $con = $this->getContribute($id);
                $con->delete();
            }
            return true;
        }
 
        return false;
    }

References $id, $query, $res, getContribute(), getContributeIds(), getIdentifier(), getIdentifierIds(), and ilMDBase\getMetaId().

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getContribute()

ilMDMetaMetadata::getContribute

(

int

$a_contribute_id

)

Definition at line 80 of file class.ilMDMetaMetadata.php.

                                                       : ?ilMDContribute
    {
        if (!$a_contribute_id) {
            return null;
        }
        $con = new ilMDContribute();
        $con->setMetaId($a_contribute_id);
 
        return $con;
    }

Referenced by delete(), and toXML().

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getContributeIds()

ilMDMetaMetadata::getContributeIds

(

)

Returns

int[]

Definition at line 75 of file class.ilMDMetaMetadata.php.

                                      : array
    {
        return ilMDContribute::_getIds($this->getRBACId(), $this->getObjId(), $this->getMetaId(), 'meta_meta_data');
    }

References ilMDContribute\_getIds(), ilMDBase\getMetaId(), ilMDBase\getObjId(), and ilMDBase\getRBACId().

Referenced by delete(), and toXML().

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getIdentifier()

ilMDMetaMetadata::getIdentifier

(

int

$a_identifier_id

)

Definition at line 52 of file class.ilMDMetaMetadata.php.

                                                       : ?ilMDIdentifier
    {
        if (!$a_identifier_id) {
            return null;
        }
        $ide = new ilMDIdentifier();
        $ide->setMetaId($a_identifier_id);
 
        return $ide;
    }

Referenced by delete(), and toXML().

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getIdentifierIds()

ilMDMetaMetadata::getIdentifierIds

(

)

Returns

int[]

Definition at line 47 of file class.ilMDMetaMetadata.php.

                                      : array
    {
        return ilMDIdentifier::_getIds($this->getRBACId(), $this->getObjId(), $this->getMetaId(), 'meta_meta_data');
    }

References ilMDIdentifier\_getIds(), ilMDBase\getMetaId(), ilMDBase\getObjId(), and ilMDBase\getRBACId().

Referenced by delete(), and toXML().

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getLanguage()

ilMDMetaMetadata::getLanguage

(

)

Definition at line 118 of file class.ilMDMetaMetadata.php.

                                 : ?ilMDLanguageItem
    {
        return is_object($this->language) ? $this->language : null;
    }

References ILIAS\UI\examples\Symbol\Glyph\Language\language().

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getLanguageCode()

ilMDMetaMetadata::getLanguageCode

(

)

Definition at line 123 of file class.ilMDMetaMetadata.php.

                                     : string
    {
        return is_object($this->language) ? $this->language->getLanguageCode() : '';
    }

References ILIAS\UI\examples\Symbol\Glyph\Language\language().

Referenced by __getFields(), and toXML().

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getMetaDataScheme()

ilMDMetaMetadata::getMetaDataScheme

(

)

Definition at line 107 of file class.ilMDMetaMetadata.php.

                                       : string
    {
        // Fixed attribute
        return 'LOM v 1.0';
    }

Referenced by __getFields(), and toXML().

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getPossibleSubelements()

ilMDMetaMetadata::getPossibleSubelements

(

)

Returns

array<string, string>

Definition at line 34 of file class.ilMDMetaMetadata.php.

                                            : array
    {
        $subs['Identifier'] = 'meta_identifier';
        $subs['Contribute'] = 'meta_contribute';
 
        return $subs;
    }

read()

ilMDMetaMetadata::read

(

)

Reimplemented from ilMDBase.

Definition at line 185 of file class.ilMDMetaMetadata.php.

                          : bool
    {
        if ($this->getMetaId()) {
            $query = "SELECT * FROM il_meta_meta_data " .
                "WHERE meta_meta_data_id = " . $this->db->quote($this->getMetaId(), 'integer');
 
            $res = $this->db->query($query);
            while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
                $this->setRBACId((int) $row->rbac_id);
                $this->setObjId((int) $row->obj_id);
                $this->setObjType($row->obj_type);
                $this->setMetaDataScheme($row->meta_data_scheme ?? '');
                $this->setLanguage(new ilMDLanguageItem($row->language ?? ''));
            }
            return true;
        }
        return false;
    }

References $query, $res, ilDBConstants\FETCHMODE_OBJECT, ilMDBase\getMetaId(), setLanguage(), setMetaDataScheme(), ilMDBase\setObjId(), ilMDBase\setObjType(), and ilMDBase\setRBACId().

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save()

ilMDMetaMetadata::save

(

)

Reimplemented from ilMDBase.

Definition at line 128 of file class.ilMDMetaMetadata.php.

                          : int
    {
        $fields = $this->__getFields();
        $fields['meta_meta_data_id'] = array('integer', $next_id = $this->db->nextId('il_meta_meta_data'));
 
        if ($this->db->insert('il_meta_meta_data', $fields)) {
            $this->setMetaId($next_id);
            return $this->getMetaId();
        }
        return 0;
    }

References __getFields(), ilMDBase\getMetaId(), and ilMDBase\setMetaId().

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setLanguage()

ilMDMetaMetadata::setLanguage

(

ilMDLanguageItem

$lng_obj

)

Definition at line 113 of file class.ilMDMetaMetadata.php.

                                                          : void
    {
        $this->language = $lng_obj;
    }

References ILIAS\UI\examples\Symbol\Glyph\Language\language().

Referenced by read().

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setMetaDataScheme()

ilMDMetaMetadata::setMetaDataScheme

(

string

$a_val

)

Definition at line 102 of file class.ilMDMetaMetadata.php.

                                                    : void
    {
        $this->meta_data_scheme = $a_val;
    }

Referenced by read().

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toXML()

ilMDMetaMetadata::toXML

(

ilXmlWriter

$writer

)

Reimplemented from ilMDBase.

Definition at line 204 of file class.ilMDMetaMetadata.php.

                                              : void
    {
        $attr = null;
        if ($this->getMetaDataScheme()) {
            $attr['MetadataScheme'] = $this->getMetaDataScheme();
        }
        if ($this->getLanguageCode()) {
            $attr['Language'] = $this->getLanguageCode();
        }
        $writer->xmlStartTag('Meta-Metadata', $attr);
 
        // ELEMENT IDENTIFIER
        $identifiers = $this->getIdentifierIds();
        foreach ($identifiers as $id) {
            $ide = $this->getIdentifier($id);
            $ide->toXML($writer);
        }
        if (!count($identifiers)) {
            $ide = new ilMDIdentifier($this->getRBACId(), $this->getObjId());
            $ide->toXML($writer);
        }
 
        // ELEMETN Contribute
        $contributes = $this->getContributeIds();
        foreach ($contributes as $id) {
            $con = $this->getContribute($id);
            $con->toXML($writer);
        }
        if (!count($contributes)) {
            $con = new ilMDContribute($this->getRBACId(), $this->getObjId());
            $con->toXML($writer);
        }
 
        $writer->xmlEndTag('Meta-Metadata');
    }

References $id, getContribute(), getContributeIds(), getIdentifier(), getIdentifierIds(), getLanguageCode(), getMetaDataScheme(), ilMDBase\getObjId(), ilMDBase\getRBACId(), ilXmlWriter\xmlEndTag(), and ilXmlWriter\xmlStartTag().

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update()

ilMDMetaMetadata::update

(

)

Reimplemented from ilMDBase.

Definition at line 140 of file class.ilMDMetaMetadata.php.

                            : bool
    {
        return $this->getMetaId() && $this->db->update(
            'il_meta_meta_data',
            $this->__getFields(),
            array("meta_meta_data_id" => array('integer', $this->getMetaId()))
        );
    }

References __getFields(), and ilMDBase\getMetaId().

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Field Documentation

$language

ilMDLanguageItem ilMDMetaMetadata::$language = null

private

Definition at line 29 of file class.ilMDMetaMetadata.php.

$meta_data_scheme

string ilMDMetaMetadata::$meta_data_scheme = 'LOM v 1.0'

private

Definition at line 28 of file class.ilMDMetaMetadata.php.

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

• Services/MetaData/classes/class.ilMDMetaMetadata.php