ilAdvancedMDValues Class Reference

Collaboration diagram for ilAdvancedMDValues:

Static Public Member Functions
static	_getValuesByObjId ($a_obj_id)
	Get all values of an object.
static	_cloneValues ($a_source_id, $a_target_id)
	Clone Advanced Meta Data.
static	_appendXMLByObjId (ilXmlWriter $xml_writer, $a_obj_id)
	Get xml of object values.
static	_preloadValuesByObjIds ($obj_ids)
	preload object values
static	_deleteByFieldId ($a_field_id)
	Delete values by field_id.
static	_deleteByObjId ($a_obj_id)
	Delete by objekt id.

Static Private Attributes
static	$cached_values = array()

Detailed Description

Author

Stefan Meyer meyer.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version

$Id$

Definition at line 33 of file class.ilAdvancedMDValues.php.

Member Function Documentation

static ilAdvancedMDValues::_appendXMLByObjId ( ilXmlWriter  $xml_writer,   $a_obj_id  )

static

Get xml of object values.

public

Parameters

	object	instance of ilXmlWriter
int	$a_obj_id

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

References $query, $res, $row, ilAdvancedMDValue\_getInstance(), ilObject\_lookupType(), DB_FETCHMODE_OBJECT, ilXmlWriter\xmlEndTag(), and ilXmlWriter\xmlStartTag().

Referenced by ilCourseXMLWriter\__buildAdvancedMetaData().

        {
                global $ilDB;
                
                $type = ilObject::_lookupType($a_obj_id);

                // Get active field_definitions
                $query = "SELECT field_id FROM adv_md_record amr ".
                        "JOIN adv_md_record_objs amro ON amr.record_id = amro.record_id ".
                        "JOIN adv_mdf_definition amfd ON amr.record_id = amfd.record_id ".
                        "WHERE active = 1 ".
                        "AND obj_type = ".$ilDB->quote($type ,'text')." ";
                        
                $xml_writer->xmlStartTag('AdvancedMetaData');   
                
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        include_once('Services/AdvancedMetaData/classes/class.ilAdvancedMDValue.php');
                        $value = ilAdvancedMDValue::_getInstance($a_obj_id,$row->field_id);
                        $value->appendXML($xml_writer);
                }
                $xml_writer->xmlEndTag('AdvancedMetaData');     
        }

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static ilAdvancedMDValues::_cloneValues (   $a_source_id,   $a_target_id  )

static

Clone Advanced Meta Data.

public

Parameters

int	source obj_id
int	target obj_id

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

References $ilLog, ilAdvancedMDFieldDefinition\_getActiveDefinitionsByObjType(), and ilObject\_lookupType().

Referenced by ilObject\cloneObject().

        {
                global $ilLog;
                
                include_once('./Services/AdvancedMetaData/classes/class.ilAdvancedMDFieldDefinition.php');
                include_once('./Services/AdvancedMetaData/classes/class.ilAdvancedMDValue.php');
                
                
                if(!count($defs = ilAdvancedMDFieldDefinition::_getActiveDefinitionsByObjType(ilObject::_lookupType($a_source_id))))
                {
                        $ilLog->write(__METHOD__.': No advanced meta data found.');
                        return true;
                }
                
                $ilLog->write(__METHOD__.': Start cloning advanced meta data.');
                
                foreach(self::_getValuesByObjId($a_source_id) as $field_id => $value)
                {
                        if(!in_array($field_id,$defs))
                        {
                                continue;
                        }
                        $new_value = new ilAdvancedMDValue($field_id,$a_target_id);
                        $new_value->setValue($value);
                        $new_value->save();
                        
                }
                return true;            
        }

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static ilAdvancedMDValues::_deleteByFieldId (   $a_field_id )

static

Delete values by field_id.

Typically called after deleting a field

public

Parameters

int

field id

Definition at line 170 of file class.ilAdvancedMDValues.php.

References $query, and $res.

Referenced by ilAdvancedMDFieldDefinition\_deleteByRecordId(), and ilAdvancedMDFieldDefinition\delete().

        {
                global $ilDB;
                
                $query = "DELETE FROM adv_md_values ".
                        "WHERE field_id = ".$ilDB->quote($a_field_id ,'integer')." ";
                $res = $ilDB->manipulate($query);
        }

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static ilAdvancedMDValues::_deleteByObjId (   $a_obj_id )

static

Delete by objekt id.

public

Parameters

int

obj_id

Definition at line 187 of file class.ilAdvancedMDValues.php.

References $query, and $res.

        {
                global $ilDB;
                
                $query = "DELETE FROM adv_md_values ".
                        "WHERE obj_id = ".$ilDB->quote($a_obj_id ,'integer')." ";
                $res = $ilDB->manipulate($query);
        }

static ilAdvancedMDValues::_getValuesByObjId (   $a_obj_id )

static

Get all values of an object.

Uses internal cache.

public

Parameters

int

obj_id

Definition at line 46 of file class.ilAdvancedMDValues.php.

References $query, $res, $row, and DB_FETCHMODE_OBJECT.

Referenced by ilECSObjectSettings\addMetadataToJson(), ilECSSettingsGUI\exportImported(), ilECSSettingsGUI\exportReleased(), ilECSReleasedContentTableGUI\fillRow(), ilECSImportedContentTableGUI\fillRow(), and ilAdvancedMDSubstitution\getParsedSubstitutions().

        {
                global $ilDB;
                
                if(isset(self::$cached_values[$a_obj_id]))
                {
                        return self::$cached_values[$a_obj_id];
                }
                $query = "SELECT field_id,value FROM adv_md_values ".
                        "WHERE obj_id = ".$ilDB->quote($a_obj_id ,'integer');
                $res = $ilDB->query($query);
                
                self::$cached_values[$a_obj_id] = array();
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        self::$cached_values[$a_obj_id][$row->field_id] = $row->value;
                }
                return self::$cached_values[$a_obj_id];
        }

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static ilAdvancedMDValues::_preloadValuesByObjIds (   $obj_ids )

static

preload object values

public

Parameters

array

obj_ids

Definition at line 146 of file class.ilAdvancedMDValues.php.

References $query, $res, $row, and DB_FETCHMODE_OBJECT.

        {
                global $ilDB;
                
                $query = "SELECT obj_id,field_id,value FROM adv_md_values ".
                        "WHERE ".$ilDB->in('obj_id',$obj_ids,false,'integer');
                        
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        self::$cached_values[$row->obj_id][$row->field_id] = $row->value;
                }
                return true;
        }

Field Documentation

ilAdvancedMDValues::$cached_values = array()

staticprivate

Definition at line 35 of file class.ilAdvancedMDValues.php.

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

• Services/AdvancedMetaData/classes/class.ilAdvancedMDValues.php