Introduction
Basic layout and default directory structure
Configuration
Autoloader
Debugging and necessary tools
Locale - Jet\Locale
MVC - in general
Application modules
ORM DataModel
Modeling principle
Definition
ID controllers
Internal relation
External relation
Composite keys
Events
Saving
Deleting
Creation of queries
Loading
Working with raw data
Backend
In depth
Jet\DataModel
Jet\DataModel_Related
Jet\DataModel_Related_1toN
Jet\DataModel_Related_1to1
Jet\DataModel_Definition
Jet\DataModel_Definition_Model
Jet\DataModel_Definition_Model_Main
Jet\DataModel_Definition_Model_Related
Jet\DataModel_Definition_Model_Related_1to1
Jet\DataModel_Definition_Model_Related_1toN
Jet\DataModel_Definition_Property
Jet\DataModel_Definition_Property_Bool
Jet\DataModel_Definition_Property_CustomData
Jet\DataModel_Definition_Property_DataModel
Jet\DataModel_Definition_Property_Date
Jet\DataModel_Definition_Property_DateTime
Jet\DataModel_Definition_Property_Float
Jet\DataModel_Definition_Property_Id
Jet\DataModel_Definition_Property_IdAutoIncrement
Jet\DataModel_Definition_Property_Int
Jet\DataModel_Definition_Property_Locale
Jet\DataModel_Definition_Property_String
Jet\DataModel_Definition_Key
Jet\DataModel_Relations
Jet\DataModel_Definition_Relation
Jet\DataModel_Definition_Relation_Internal
Jet\DataModel_Definition_Relation_External
Jet\DataModel_Definition_Relation_Join_Item
Jet\DataModel_Definition_Relation_Join_Condition
Jet\DataModel_IDController
Jet\DataModel_IDController_AutoIncrement
Jet\DataModel_IDController_UniqueString
Jet\DataModel_IDController_Passive
Jet\DataModel_PropertyFilter
Jet\DataModel_Query
Jet\DataModel_Query_Select
Jet\DataModel_Query_Select_Item
Jet\DataModel_Query_Select_Item_Expression
Jet\DataModel_Query_Where
Jet\DataModel_Query_Where_Expression
Jet\DataModel_Query_Having
Jet\DataModel_Query_Having_Expression
Jet\DataModel_Query_GroupBy
Jet\DataModel_Query_OrderBy
Jet\DataModel_Query_OrderBy_Item
Jet\DataModel_Fetch
Jet\DataModel_Fetch_Instances
Jet\DataModel_Fetch_IDs
Jet\DataModel_RecordData
Jet\DataModel_RecordData_Item
Jet\DataModel_Config
Jet\DataModel_Backend
Jet\DataModel_Backend_Config
Jet\DataModel_Helper
Jet\DataModel_LoadedData
Jet\DataModel_ImportExport
Jet\DataModel_ImportExport_Exception
Jet\DataModel_ImportExport_ExportPreprocessor
Jet\DataModel_ImportExport_ImportPreprocessor
Jet\DataModel_ImportExport_MetaInfo
Data export and import
Forms
Working with data lists - Jet\DataListing
CSS and JavaScript packager
Translator
Auth - authentication and authorization
Http
Useful helpers for working with various data - Jet\Data
I/O
Db
Error Pages - Jet\ErrorPages
Session - Jet\Session
Logger - Jet\Logger
Navigation
REST API Server
Sending emails
Attributes - Jet\Attributes
Dependency Injection in Jet framework
Factories
User interface generation
AJAX - Jet\AJAX
Cache - Jet\Cache
Jet\BaseObject
Why?

Jet\DataModel_Definition_Model_Related_1to1

The class represents the definition of subentity in a 1:1 relation.

It inherits from Jet\DataModel_Definition_Model_Related and its interface of both classes is completely identical.

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Jet\DataModel_Definition_Model_Related

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Jet\DataModel_Definition_Model_Related_1toN