ilObjectFactory Class Reference

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V. More...

Collaboration diagram for ilObjectFactory:

Public Member Functions
	ObjectIdExists (int $obj_id)
	check if obj_id exists. More...

Static Public Member Functions
static	getObjectsForOwner (string $object_type, int $owner_id)
	returns all objects of an owner, filtered by type, objects are not deleted! More...
static	getInstanceByObjId (?int $obj_id, bool $stop_on_error=true)
	get an instance of an Ilias object by object id More...
static	getInstanceByRefId (int $ref_id, bool $stop_on_error=true)
	get an instance of an Ilias object by reference id More...
static	getTypeByRefId (int $ref_id, bool $stop_on_error=true)
	get object type by reference id More...
static	getClassByType (string $obj_type)

Protected Member Functions
	includeClassIfNotExists (string $class_name, string $a_obj_type, ilObjectDefinition $objDefinition)
	Ensures a class is properly included. More...

Detailed Description

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V.

ILIAS is licensed with the GPL-3.0, see https://www.gnu.org/licenses/gpl-3.0.en.html You should have received a copy of said license along with the source code, too.

If this is not the case or you just want to try ILIAS, you'll find us at: https://www.ilias.de https://github.com/ILIAS-eLearning Class ilObjectFactory This class offers methods to get instances of the type-specific object classes (derived from ilObject) by their object or reference id Note: The term "Ilias objects" means all object types that are stored in the database table "object_data"

Author

Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e

Version

$Id$

Definition at line 32 of file class.ilObjectFactory.php.

Member Function Documentation

getClassByType()

static ilObjectFactory::getClassByType ( string  $obj_type )

static

Definition at line 240 of file class.ilObjectFactory.php.

                                                           : string
    {
        global $DIC;
        $objDefinition = $DIC["objDefinition"];
 
        $class_name = "ilObj" . $objDefinition->getClassName($obj_type);
 
        (new self())->includeClassIfNotExists($class_name, $obj_type, $objDefinition);
 
        return $class_name;
    }

References $DIC.

Referenced by ilWorkspaceTree\createTreeForUser(), ilObjStudyProgrammeTreeGUI\delete(), ilAdministrationCommandGUI\delete(), ilObjWorkspaceFolderGUI\deleteConfirmation(), ilObjectCopyGUI\saveSource(), and ilObjectCopyGUI\saveTarget().

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getInstanceByObjId()

static ilObjectFactory::getInstanceByObjId ( ?int  $obj_id, bool  $stop_on_error = true  )

static

get an instance of an Ilias object by object id

Exceptions

ilDatabaseException
ilObjectNotFoundException

Definition at line 84 of file class.ilObjectFactory.php.

                                                                                       : ?ilObject
    {
        global $DIC;
        $objDefinition = $DIC["objDefinition"];
        $ilDB = $DIC->database();
 
        // check object id
        if (!isset($obj_id)) {
            $message = "ilObjectFactory::getInstanceByObjId(): No obj_id given!";
            if ($stop_on_error === true) {
                throw new ilObjectNotFoundException($message);
            }
            return null;
        }
 
        // read object data
        $sql =
            "SELECT obj_id, type, title, description, owner, create_date, last_update, import_id, offline" . PHP_EOL
            . "FROM object_data" . PHP_EOL
            . "WHERE obj_id = " . $ilDB->quote($obj_id, 'integer') . PHP_EOL
        ;
        $result = $ilDB->query($sql);
        // check number of records
        if ($result->numRows() == 0) {
            $message = "ilObjectFactory::getInstanceByObjId(): Object with obj_id: " . $obj_id . " not found!";
            if ($stop_on_error === true) {
                throw new ilObjectNotFoundException($message);
            }
            return null;
        }
 
        $row = $result->fetchRow(ilDBConstants::FETCHMODE_ASSOC);
        $class_name = "ilObj" . $objDefinition->getClassName($row["type"]);
 
        // check class
        if ($class_name == "ilObj") {
            $message = "ilObjectFactory::getInstanceByObjId(): Not able to determine object " .
                "class for type" . $row["type"] . ".";
            if ($stop_on_error === true) {
                throw new ilObjectNotFoundException($message);
            }
            return null;
        }
 
        (new self())->includeClassIfNotExists($class_name, $row["type"], $objDefinition);
 
        // create instance
        $obj = new $class_name(0, false);    // this avoids reading of data
        $obj->setId($obj_id);
        $obj->read();
 
        return $obj;
    }

References $DIC, $ilDB, $message, and ilDBConstants\FETCHMODE_ASSOC.

Referenced by ilDownloadFilesBackgroundTask\__construct(), ilCalendarUserSettings\__construct(), ilLPListOfProgressGUI\__initUser(), ilEventParticipants\__read(), ilObjGroup\_isMember(), ilObjContentObject\_moveLMStyles(), ilSoapRBACAdministration\addUserRoleEntry(), ilSoapCourseAdministration\assignCourseMember(), ilMembershipGUI\assignFromWaitingList(), ilCourseMembershipGUI\assignMembers(), ilObject2GUI\assignObject(), ilObjectGUI\assignObject(), ilLocalUserGUI\assignRoles(), ilObjCategoryGUI\assignRolesObject(), ilParticipants\assignSubscriber(), ilChatroom\byRoomId(), ilWorkspaceTree\cascadingDelete(), ilObjCategoryGUI\checkGlobalRoles(), ilLocalUserGUI\checkGlobalRoles(), ilUserCronCheckAccounts\checkNotConfirmedUserAccounts(), ILIAS\Style\Content\Object\ObjectManager\cloneTo(), ilMailMemberSearchDataProvider\collectTableData(), ilObjUserFolderGUI\confirmaccessFreeObject(), ilObjUserFolderGUI\confirmaccessRestrictObject(), ilObjUserFolderGUI\confirmactivateObject(), ilObjUserFolderGUI\confirmdeactivateObject(), ilObjUserFolderGUI\confirmdeleteObject(), ilContentStyleSettingsGUI\confirmedDelete(), ilObjStyleSheetGUI\copyStyleObject(), ilContainerXmlParser\createObject(), ilObjWorkspaceFolderGUI\cut(), ilObjRoleFolder\delete(), ilObject2GUI\deleteConfirmedObjects(), ilSoapUtils\deleteExpiredDualOptInUserObjects(), ilSoapRBACAdministration\deleteRole(), ilObjRoleFolderGUI\deleteRoleObject(), ilSoapRBACAdministration\deleteUserRoleEntry(), ilMailSearchObjectGUI\doesExposeMembers(), ilLPStatusLtiOutcome\ensureObject(), ilLPStatusCmiXapiAbstract\ensureObject(), ilPublicSubmissionsTableGUI\fillRow(), ilObjectConsumerTableGUI\fillRow(), ilContentPageImporter\finalProcessing(), ilForumImporter\finalProcessing(), ilTestImporter\finalProcessing(), ilPdfGenerator\generateFileName(), ilObjCategoryGUI\getAssignableRoles(), ilLocalUserGUI\getAssignableRoles(), ilObjForumAccess\getCachedUserInstance(), ilSoapCourseAdministration\getCoursesForUser(), ilObjCourse\getDefaultAdminRole(), ilObjGroup\getDefaultGroupRoles(), ilObjCourse\getDefaultTutorRole(), ilChatroom\getDescription(), ilUsersGalleryContacts\getGroupedCollections(), ilSoapGroupAdministration\getGroupsForUser(), ilObjLTIConsumerListGUI\getIconHref(), ilSoapSCORMAdministration\getIMSManifestXML(), ilCertificateObjectHelper\getInstanceByObjId(), ilUserRoleStartingPointTableGUI\getItems(), ilObjCourse\getLocalCourseRoles(), ilObjGroup\getLocalGroupRoles(), ilSoapRBACAdministration\getLocalRoles(), ilAttendanceList\getNonMemberUserData(), ilSoapObjectAdministration\getObjectsByTitle(), ilSoapRBACAdministration\getObjectTreeOperations(), ilCourseMembershipGUI\getPrintMemberData(), ilLTIConsumerProviderTableGUI\getProviderCreatorLabel(), ilLearningSequenceRoles\getRoleObject(), ilSoapRBACAdministration\getRoles(), ilChatroom\getTitle(), ilObjectPermissionStatusGUI\getUser(), ilCmiXapiScoringTableGUI\getUsername(), ilLTIConsumerScoringTableGUI\getUsername(), ilCmiXapiStatementsTableGUI\getUsername(), ilObjStudyProgrammeAutoCategoriesGUI\getUserRepresentation(), ilObjStudyProgrammeAutoMembershipsGUI\getUserRepresentation(), ilSoapRBACAdministration\getUserRoles(), ilUsersGalleryParticipants\getUsers(), ilContentPageExporter\getXmlExportTailDependencies(), ilForumExporter\getXmlExportTailDependencies(), ilChatroomExporter\getXmlRepresentation(), ilSoapRBACAdministration\grantPermissions(), ilSessionAppEventListener\handle(), ilAuthFrontend\handleAuthenticationSuccess(), ilObjCourse\handleAutoFill(), ilObjGroup\handleAutoFill(), ilObjSession\handleAutoFill(), ilECSTaskScheduler\handleDeprecatedAccounts(), XapiProxy\XapiProxy\handleStatementEvaluation(), ilRemoteObjectBase\handleUpdate(), ilObjTestAccess\hasFinished(), ilIndividualAssessmentMembersTableGUI\hasPublicProfile(), ilObjectGUI\importFileObject(), ilBlogDataSet\importRecord(), ilCmiXapiDataSet\importRecord(), ilContentPageDataSet\importRecord(), ilGlossaryDataSet\importRecord(), ilIndividualAssessmentDataSet\importRecord(), ilLearningModuleDataSet\importRecord(), ilMediaCastDataSet\importRecord(), ilMediaPoolDataSet\importRecord(), ilPortfolioDataSet\importRecord(), ilWikiDataSet\importRecord(), ilStyleDataSet\importRecord(), ilObjStyleSheetGUI\importStyleObject(), ilChatroomImporter\importXmlRepresentation(), ilFileImporter\importXmlRepresentation(), ilFolderImporter\importXmlRepresentation(), ilGlossaryImporter\importXmlRepresentation(), ilLearningModuleImporter\importXmlRepresentation(), ilLearningSequenceImporter\importXmlRepresentation(), ilSurveyQuestionPoolImporter\importXmlRepresentation(), ilTestImporter\importXmlRepresentation(), ilTestQuestionPoolImporter\importXmlRepresentation(), ilWebResourceImporter\importXmlRepresentation(), ilFolderXmlWriter\init(), ilWebLinkXmlWriter\init(), ilPluginLP\initPlugin(), ilRoleXmlImporter\initRole(), ilCmiXapiHighscoreReport\initTableData(), ilBadgeWAC\isAssignedBadgeOfPublishedUserProfile(), ilParticipants\isGroupingMember(), XapiProxy\XapiProxy\isSubStatementCheck(), ilAuthFrontend\migrateAccount(), ilStartingPoint\onRoleDeleted(), ilSoapMailXmlParser\parseName(), ilLPTableBaseGUI\parseTitle(), ilLocalUserGUI\performDeleteUsers(), ilObjCategoryGUI\performDeleteUsersObject(), ilObjWorkspaceFolderGUI\performPasteIntoMultipleObjects(), ilCmiXapiImporter\prepareContainerObject(), ilParticipants\readSubscribers(), ilPreviewGUI\renderPreview(), ilPCLauncher\replaceWithRenderedButtons(), ilPCCurriculum\replaceWithRenderedCurriculum(), ilTestLP\resetCustomLPDataForUserIds(), ilSoapRBACAdministration\revokePermissions(), ilXapiResultsCronjob\run(), ilCronDeleteInactivatedUserAccounts\run(), ilCronDeleteNeverLoggedInUserAccounts\run(), ilObjStyleSheetGUI\saveObject(), ilPermissionGUI\savePermissions(), ilSessionMembershipMailNotification\send(), ilEmployeeTalkTableGUI\setTalkData(), ilLocalUserGUI\showRolesTable(), ilPasswordAssistanceGUI\submitAssignPasswordForm(), ILIAS\Notifications\ilNotificationSystem\toUsers(), ilPermissionGUI\unblockRoles(), ilECSCourseCreationHandler\updateParallelCourses(), ilECSCourseCreationHandler\updateParallelGroups(), ilRegistrationSettingsGUI\updateRoles(), ilSoapWebLinkAdministration\updateWebLink(), and ilObjTestAccess\visibleUserResultExists().

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getInstanceByRefId()

static ilObjectFactory::getInstanceByRefId ( int  $ref_id, bool  $stop_on_error = true  )

static

get an instance of an Ilias object by reference id

Exceptions

ilDatabaseException
ilObjectNotFoundException

Definition at line 143 of file class.ilObjectFactory.php.

                                                                                      : ?ilObject
    {
        global $DIC;
        $objDefinition = $DIC["objDefinition"];
        $ilDB = $DIC->database();
 
        // check reference id
        if (!isset($ref_id)) {
            if ($stop_on_error === true) {
                $message = "ilObjectFactory::getInstanceByRefId(): No ref_id given!";
                throw new ilObjectNotFoundException($message);
            }
            return null;
        }
 
        // read object data
        $sql =
            "SELECT object_data.obj_id, object_data.type" . PHP_EOL
            . "FROM object_data, object_reference" . PHP_EOL
            . "WHERE object_reference.obj_id = object_data.obj_id" . PHP_EOL
            . "AND object_reference.ref_id = " . $ilDB->quote($ref_id, 'integer') . PHP_EOL
        ;
 
        $result = $ilDB->query($sql);
 
        // check number of records
        if ($result->numRows() == 0) {
            if ($stop_on_error === true) {
                $message = "ilObjectFactory::getInstanceByRefId(): Object with ref_id " . $ref_id . " not found!";
                throw new ilObjectNotFoundException($message);
            }
            return null;
        }
 
        $row = $result->fetchRow(ilDBConstants::FETCHMODE_ASSOC);
        $class_name = "ilObj" . $objDefinition->getClassName($row["type"]);
 
        // check class
        if ($class_name == "ilObj") {
            if ($stop_on_error === true) {
                $message = "ilObjectFactory::getInstanceByRefId(): Not able to determine object " .
                    "class for type" . $row["type"] . ".";
                throw new ilObjectNotFoundException($message);
            }
            return null;
        }
 
        (new self())->includeClassIfNotExists($class_name, $row["type"], $objDefinition);
 
        // create instance
        $obj = new $class_name(0, false);    // this avoids reading of data
        $obj->setId((int) $row["obj_id"]);
        $obj->setRefId($ref_id);
        $obj->read();
        return $obj;
    }

References $DIC, $ilDB, $message, $ref_id, and ilDBConstants\FETCHMODE_ASSOC.

Referenced by ilRepositoryObjectSearchGUI\__construct(), ilConditionHandlerGUI\__construct(), ilCourseObjectivesGUI\__initCourseObject(), ilECSObjectSettings\_handleDelete(), ilForumNotification\_isParentNodeGrpCrs(), ilSoapCourseAdministration\addCourse(), ilSoapExerciseAdministration\addExercise(), ilSoapFileAdministration\addFile(), ilTestExpressPageObjectGUI\addPageOfQuestions(), ilSoapObjectAdministration\addReference(), ilSoapRBACAdministration\addRole(), ilSoapRBACAdministration\addRoleFromTemplate(), ilConditionHandlerGUI\assign(), ilObjCourseGroupingGUI\assignCourse(), ilSoapCourseAdministration\assignCourseMember(), ilObject2GUI\assignObject(), ilObjectGUI\assignObject(), assQuestionGUI\cancelSync(), ilSoapAdministration\checkObjectAccess(), ilContainerGUI\clipboardObject(), ilContainerGUI\cloneAllObject(), ilSoapUtils\cloneDependencies(), ilObjectActivation\cloneDependencies(), ilObjCourseGrouping\cloneGrouping(), ilSoapUtils\cloneNode(), ilObjLearningSequenceContentGUI\confirmDelete(), ilObjectCopyGUI\copyContainer(), ilObjectCopyGUI\copyMultipleNonContainer(), ilSoapObjectAdministration\copyObject(), ilObjStyleSheetGUI\copyStyleObject(), ilSoapWebLinkAdministration\createWebLink(), ilOerHarvester\deleteObject(), ilSoapObjectAdministration\deleteObject(), ilContainerReferenceAppEventListener\deleteReferences(), ilForumNotificationDataProvider\determineClosestContainer(), ilCourseAppEventListener\doAutoFill(), ilGroupAppEventListener\doAutoFill(), ilContainerGUI\downloadObject(), ilObjTest\ensureParticipantsLastActivePassFinished(), ilTestInfoScreenToolbarFactory\ensureTestObjectInitialised(), ilObjSessionGUI\eventsListObject(), ilSoapCourseAdministration\excludeCourseMember(), ilTestExpressPageObjectGUI\executeCommand(), ilSessionOverviewGUI\exportCSV(), ilChatroomAdminViewGUI\forcePublicRoom(), ilSessionOverviewTableGUI\gatherEvents(), ilStudyProgrammeExpandableProgressListGUI\getAccordionContentCoursesHTML(), ilObjLearningSequence\getInstanceByRefId(), ilLSViewFactory\getInstanceByRefId(), ilObjectFactoryWrapper\getInstanceByRefId(), ilMailAddressTypeHelperImpl\getInstanceByRefId(), ilSoapRBACAdministration\getLocalRoles(), ilCourseObjectiveQuestion\getMaxPointsByObjective(), ilCourseObjectiveQuestion\getMaxPointsByTest(), ilSoapObjectAdministration\getObjectByReference(), ilLSItemsDB\getObjectFor(), ilSoapObjectAdministration\getObjectsByTitle(), ilSoapRBACAdministration\getObjectTreeOperations(), ilOrgUnitExtension\getOrgUnit(), ilForumSettingsGUI\getParticipants(), ilContainerStartObjectsTableGUI\getPossibleObjects(), ilCourseStartObjectsTableGUI\getPossibleObjects(), ilObjWikiGUI\getSettingsFormValues(), ilContainerStartObjectsTableGUI\getStartObjects(), ilCourseStartObjectsTableGUI\getStartObjects(), ilSOAPStructureObjectAdministration\getStructureObjects(), ilSoapObjectAdministration\getTreeChilds(), ilCategoryExporter\getXmlRepresentation(), ilCourseExporter\getXmlRepresentation(), ilGroupExporter\getXmlRepresentation(), ilContainerReferenceExporter\getXmlRepresentation(), ilSoapObjectAdministration\getXMLTree(), ilSoapRBACAdministration\grantPermissions(), ilRemoteObjectBase\handleDelete(), ilContainerImporter\handleOfflineStatus(), ilECSCategoryMapping\handleUpdate(), ilOerHarvester\harvest(), ilCourseObjective\ilClone(), ilSessionDataSet\importRecord(), ilObjStyleSheetGUI\importStyleObject(), ilSoapUserAdministration\importUsers(), ilCategoryImporter\importXmlRepresentation(), ilCourseImporter\importXmlRepresentation(), ilFolderImporter\importXmlRepresentation(), ilGroupImporter\importXmlRepresentation(), ilCourseContentGUI\initCourseObject(), ilAssQuestionPreviewGUI\initQuestion(), ilECSUserConsentModalGUI\initRemoteObject(), ilAssQuestionPreviewSettings\initSettingsWithTestObject(), ilDidacticTemplateAction\initSourceObject(), ilSoapUtils\internalLinkNode(), ilObjLearningSequenceAccess\isOffline(), ilObjTest\isParticipantsLastPassActive(), ilObjectGUI\isVisible(), ilSoapUtils\linkNode(), ilContainerGUI\linkObject(), ilLOUtils\lookupQplBySequence(), ilLearningSequenceParticipantsTableGUI\parse(), ilCourseObjectiveQuestionAssignmentTableGUI\parse(), ilContainerGUI\pasteObject(), ilContainerGUI\performPasteIntoMultipleObjectsObject(), ilLOSettings\purgeReferences(), ilObjQuestionPoolGUI\questionsObject(), ilRepUtil\removeDeletedNodes(), ilSoapObjectAdministration\removeFromSystemByImportId(), ilSystemCheckTrash\removeSelectedFromSystem(), ilSoapTestAdministration\removeTestResults(), ilCourseObjectiveResult\reset(), ilSystemCheckTrash\restore(), ilWebDAVObjFactory\retrieveDAVObjectByRefID(), ilSoapRBACAdministration\revokePermissions(), ilCollectFilesJob\run(), ilObjStyleSheetGUI\saveObject(), ilSoapObjectAdministration\searchObjects(), ilCourseMembershipMailNotification\send(), ilGroupMembershipMailNotification\send(), LSItemOnlineStatus\setOnlineStatus(), ilSoapRoleObjectXMLWriter\start(), ilDidacticTemplateUtils\switchTemplate(), assQuestionGUI\sync(), ilECSCmsTreeSynchronizer\syncCategory(), ilECSCourseCreationHandler\updateCourseData(), ilMembershipRegistrationCodeUtils\useCode(), and ilConditionHandler\validate().

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getObjectsForOwner()

static ilObjectFactory::getObjectsForOwner ( string  $object_type, int  $owner_id  )

static

returns all objects of an owner, filtered by type, objects are not deleted!

Definition at line 56 of file class.ilObjectFactory.php.

                                                                                 : array
    {
        global $DIC;
        $ilDB = $DIC->database();
 
        $sql =
            "SELECT object_data.obj_id" . PHP_EOL
            . "FROM object_data, object_reference" . PHP_EOL
            . "WHERE object_reference.obj_id = object_data.obj_id" . PHP_EOL
            . "AND object_data.type = " . $ilDB->quote($object_type, 'text') . PHP_EOL
            . "AND object_data.owner = " . $ilDB->quote($owner_id, 'integer') . PHP_EOL
        ;
 
        $result = $ilDB->query($sql);
 
        $obj_ids = [];
        while ($row = $result->fetchRow(ilDBConstants::FETCHMODE_ASSOC)) {
            $obj_ids [] = $row["obj_id"];
        }
 
        return $obj_ids;
    }

References $DIC, $ilDB, and ilDBConstants\FETCHMODE_ASSOC.

Referenced by ilSoapCourseAdministration\getCoursesForUser(), and ilSoapGroupAdministration\getGroupsForUser().

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getTypeByRefId()

static ilObjectFactory::getTypeByRefId ( int  $ref_id, bool  $stop_on_error = true  )

static

get object type by reference id

Exceptions

ilObjectNotFoundException

Deprecated:

since version 5.3

Definition at line 205 of file class.ilObjectFactory.php.

                                                                                  : ?string
    {
        global $DIC;
        $ilDB = $DIC->database();
 
        // check reference id
        if (!isset($ref_id)) {
            if ($stop_on_error === true) {
                $message = "ilObjectFactory::getTypeByRefId(): No ref_id given!";
                throw new ilObjectNotFoundException($message);
            }
            return null;
        }
 
        // read object data
        $sql =
            "SELECT object_data.obj_id, object_data.type" . PHP_EOL
            . "FROM object_data" . PHP_EOL
            . "LEFT JOIN object_reference ON object_data.obj_id=object_reference.obj_id " . PHP_EOL
            . "WHERE object_reference.ref_id=" . $ilDB->quote($ref_id, 'integer') . PHP_EOL
        ;
        $result = $ilDB->query($sql);
 
        if ($result->numRows() == 0) {
            if ($stop_on_error === true) {
                $message = "ilObjectFactory::getTypeByRefId(): Object with ref_id " . $ref_id . " not found!";
                throw new ilObjectNotFoundException($message);
            }
            return null;
        }
 
        $row = $result->fetchRow(ilDBConstants::FETCHMODE_ASSOC);
        return $row["type"];
    }

References $DIC, $ilDB, $message, $ref_id, and ilDBConstants\FETCHMODE_ASSOC.

Referenced by ilSoapObjectAdministration\copyObject(), ilCopyWizardSettingsXMLParser\handlerBeginTag(), and ilSoapObjectAdministration\moveObject().

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includeClassIfNotExists()

ilObjectFactory::includeClassIfNotExists ( string  $class_name, string  $a_obj_type, ilObjectDefinition  $objDefinition  )

protected

Ensures a class is properly included.

This is needed, since not all possible classes are yet part of the autoloader (e.g. repo-plugins). See: #27073

Parameters

string	$class_name
string	$a_obj_type
ilObjectDefinition	$objDefinition

Definition at line 260 of file class.ilObjectFactory.php.

     : void {
        if (!class_exists($class_name)) {
            $location = $objDefinition->getLocation($a_obj_type);
            include_once($location . "/class." . $class_name . ".php");
        }
    }

References $location, and ilObjectDefinition\getLocation().

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ObjectIdExists()

ilObjectFactory::ObjectIdExists

(

int

$obj_id

)

check if obj_id exists.

To check for ref_ids use ilTree::isInTree()

Definition at line 37 of file class.ilObjectFactory.php.

                                               : bool
    {
        global $DIC;
        $ilDB = $DIC->database();
 
        $sql =
            "SELECT obj_id, type, title, description, owner, create_date, last_update, import_id, offline" . PHP_EOL
            . "FROM object_data" . PHP_EOL
            . "WHERE obj_id = " . $ilDB->quote($obj_id, 'integer') . PHP_EOL
        ;
 
        $result = $ilDB->query($sql);
 
        return (bool) $result->numRows();
    }

References $DIC, and $ilDB.

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

• Services/Object/classes/class.ilObjectFactory.php