ilDataCollectionExporter Class Reference

Class ilDataCollectionExporter. More...

Inheritance diagram for ilDataCollectionExporter:

Collaboration diagram for ilDataCollectionExporter:

Public Member Functions
	init ()
	getValidSchemaVersions ($a_entity)
	getXmlRepresentation ($a_entity, $a_schema_version, $a_id)
	getXmlExportHeadDependencies ($a_entity, $a_target_release, $a_ids)
	MOB/File fieldtypes objects are head dependencies They must be exported and imported first, so the new DC has the new IDs of those objects available. More...
	getXmlExportTailDependencies ($a_entity, $a_target_release, $a_ids)
Public Member Functions inherited from ilXmlExporter
	__construct ()
	Constructor. More...
	setExport (ilExport $a_exp)
	Set export object. More...
	getExport ()
	Get export. More...
	getXmlRepresentation ($a_entity, $a_schema_version, $a_id)
	Get xml representation. More...
	init ()
	setExportDirectories ($a_dir_relative, $a_dir_absolute)
	Export directories. More...
	getRelativeExportDirectory ()
	Get relative export directory. More...
	getAbsoluteExportDirectory ()
	Get absolute export directory. More...
	getXmlExportHeadDependencies ($a_entity, $a_target_release, $a_ids)
	Get head dependencies. More...
	getXmlExportTailDependencies ($a_entity, $a_target_release, $a_ids)
	Get tail dependencies. More...
	getValidSchemaVersions ($a_entity)
	Returns schema versions that the component can export to. More...
	determineSchemaVersion ($a_entity, $a_target_release)
	Determine schema version. More...

Protected Attributes
	$ds
	$db
Protected Attributes inherited from ilXmlExporter
	$dir_relative
	$dir_absolute
	$exp

Additional Inherited Members
Static Public Member Functions inherited from ilXmlExporter
static	lookupExportDirectory ($a_obj_type, $a_obj_id, $a_export_type='xml', $a_entity="")
	export directory lookup More...

Detailed Description

Class ilDataCollectionExporter.

Author

Stefan Wanzenried sw@st.nosp@m.uder.nosp@m.-raim.nosp@m.ann..nosp@m.ch

Fabian Schmid fs@st.nosp@m.uder.nosp@m.-raim.nosp@m.ann..nosp@m.ch

Definition at line 14 of file class.ilDataCollectionExporter.php.

Member Function Documentation

getValidSchemaVersions()

ilDataCollectionExporter::getValidSchemaVersions

(

$a_entity

)

Parameters

string

$a_entity

Returns

array

Definition at line 39 of file class.ilDataCollectionExporter.php.

                                                          {
                return array(
                        '4.5.0' => array(
                                'namespace' => 'http://www.ilias.de/Modules/DataCollection/dcl/4_5',
                                'xsd_file" => "ilias_dcl_4_5.xsd',
                                'uses_dataset' => true,
                                'min' => '4.5.0',
                                'max' => ''
                        )
                );
        }

getXmlExportHeadDependencies()

ilDataCollectionExporter::getXmlExportHeadDependencies	(		$a_entity,
			$a_target_release,
			$a_ids
	)

MOB/File fieldtypes objects are head dependencies They must be exported and imported first, so the new DC has the new IDs of those objects available.

Parameters

$a_entity
$a_target_release
$a_ids

Returns

array

Definition at line 70 of file class.ilDataCollectionExporter.php.

References ilObjMediaPool\getAllMobIds(), ilDataCollectionDatatype\INPUTFORMAT_FILE, and ilDataCollectionDatatype\INPUTFORMAT_MOB.

                                                                                           {

                foreach ($a_ids as $id) {
                        $m_ids = ilObjMediaPool::getAllMobIds($id);
                        foreach ($m_ids as $m) {
                                $mob_ids[] = $m;
                        }
                }

                $dependencies = array(
                        ilDataCollectionDatatype::INPUTFORMAT_FILE => array(
                                'component' => 'Modules/File',
                                'entity' => 'file',
                                'ids' => array(),
                        ),
                        ilDataCollectionDatatype::INPUTFORMAT_MOB => array(
                                'component' => 'Services/MediaObjects',
                                'entity' => 'mob',
                                'ids' => array(),
                        ),
                );

                // Direct SQL query is faster than looping over objects
                $page_object_ids = array();
                foreach ($a_ids as $dcl_obj_id) {
                        $sql = "SELECT stloc2.value AS ext_id, f.`datatype_id` FROM il_dcl_stloc2_value AS stloc2 "
                                . " INNER JOIN il_dcl_record_field AS rf ON (rf.`id` = stloc2.`record_field_id`) "
                                . " INNER JOIN il_dcl_field AS f ON (rf.`field_id` = f.`id`) " . "INNER JOIN il_dcl_table AS t ON (t.`id` = f.`table_id`) "
                                . " WHERE t.`obj_id` = " . $this->db->quote($dcl_obj_id, 'integer') . " " . "AND f.datatype_id IN ("
                                . implode(',', array_keys($dependencies)) . ") AND stloc2.`value` IS NOT NULL";
                        $set = $this->db->query($sql);
                        while ($rec = $this->db->fetchObject($set)) {
                                $dependencies[$rec->datatype_id]['ids'][] = (int)$rec->ext_id;
                        }
                }

                // Return external dependencies/IDs if there are any
                $return = array();
                if (count($dependencies[ilDataCollectionDatatype::INPUTFORMAT_FILE]['ids'])) {
                        $return[] = $dependencies[ilDataCollectionDatatype::INPUTFORMAT_FILE];
                }
                if (count($dependencies[ilDataCollectionDatatype::INPUTFORMAT_MOB]['ids'])) {
                        $return[] = $dependencies[ilDataCollectionDatatype::INPUTFORMAT_MOB];
                }

                return $return;
        }

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getXmlExportTailDependencies()

ilDataCollectionExporter::getXmlExportTailDependencies	(		$a_entity,
			$a_target_release,
			$a_ids
	)

Definition at line 119 of file class.ilDataCollectionExporter.php.

                                                                                           {
                $page_object_ids = array();
                foreach ($a_ids as $dcl_obj_id) {
                        // If a DCL table has a detail view, we need to export the associated page objects!
                        $sql = "SELECT il_dcl_view.id AS page_obj_id FROM il_dcl_view " . " INNER JOIN il_dcl_table ON (il_dcl_table.id = il_dcl_view.table_id) "
                                . "WHERE il_dcl_table.obj_id = " . $this->db->quote($dcl_obj_id, 'integer') . " "
                                . "AND il_dcl_view.type=0 AND il_dcl_view.formtype=0";
                        $set = $this->db->query($sql);
                        while ($rec = $this->db->fetchObject($set)) {
                                $page_object_ids[] = "dclf:" . $rec->page_obj_id;
                        }
                }
                if (count($page_object_ids)) {
                        return array(
                                array(
                                        'component' => 'Services/COPage',
                                        'entity' => 'pg',
                                        'ids' => $page_object_ids,
                                )
                        );
                }

                return array();
        }

getXmlRepresentation()

ilDataCollectionExporter::getXmlRepresentation	(		$a_entity,
			$a_schema_version,
			$a_id
	)

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

References ilXmlExporter\getAbsoluteExportDirectory(), and ilUtil\makeDirParents().

                                                                                  {
                ilUtil::makeDirParents($this->getAbsoluteExportDirectory());
                $this->ds->setExportDirectories($this->dir_relative, $this->dir_absolute);

                return $this->ds->getXmlRepresentation($a_entity, $a_schema_version, $a_id, '', true, true);
        }

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init()

ilDataCollectionExporter::init

(

)

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

References $ilDB.

                               {
                global $ilDB;
                $this->ds = new ilDataCollectionDataSet();
                $this->ds->setDSPrefix('ds');
                $this->db = $ilDB;
        }

Field Documentation

$db

ilDataCollectionExporter::$db

protected

Definition at line 23 of file class.ilDataCollectionExporter.php.

$ds

ilDataCollectionExporter::$ds

protected

Definition at line 19 of file class.ilDataCollectionExporter.php.

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

• Modules/DataCollection/classes/class.ilDataCollectionExporter.php