C# Class SenseNet.ContentRepository.Field

Field represent an atomic data of a Content

A Field represents an atomic data type from the perspective of the system. It usually handles Fields usually handles a single ContentHandler property. It is also capable of handling of multiple ContentHandler properties (see the WhoAndWhen Field for an example). It may also consist of values computed from the handled ContentHandler propery(s) or even represent data independent of these properties. In the communication bus this atomic data type is resembled as a transfer object: ContentHandler<--properties--> Field <--transfer object--> FieldControl (Content, ContenView) The Field constructs a transfer object from ContentHandler properties and passes it up to the FieldControl. At the same time this tranfer object is disassembled to ContentHandler properties when passing its data down to the ContentHandler. The Field class is responsible for invoking data validation (data validation itself is done by the FieldSetting property). The class Field can be resembled as bridge between ContentHandlerproperties and ContentView (or any other ways of data output/input). The Field class is also one of the most important system extension points (among with ContentHandler). By defining a new Field class a system-wide usable atomic data type is defined. This kind of extension is usually done when having a need of a more complex or different type than ones already defined in the system.

Inheritance: IIndexableField

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Private Properties

Свойство	Type	Description
Create	Field
DoValidate	bool
Export	void
Export2	void
GetExportName	string
GetInnerXml	string
Import	void
Import	void
ParseImportName	string
Save	void
SetDefaultValue	void
Validate	bool

Méthodes publiques

Méthode	Description
GetData ( ) : object	Returns object data which is a transfer object.
GetIndexFieldInfos ( string &textExtract ) : IEnumerable
GetValidationMessage ( ) : string
HasValue ( ) : bool
Parse ( string value ) : bool
SetData ( object value ) : void	Sets object data which is a transfer object.
WriteXml ( XmlWriter writer ) : void

Méthodes protégées

Méthode	Description
ConvertFrom ( object value ) : object[]	Creates ContentHandler properties from the transfer object.
ConvertTo ( object handlerValues ) : object	Creates a transfer object from ContentHandler properties
ExportData ( XmlWriter writer, ExportContext context ) : void
ExportData2 ( XmlWriter writer, ExportContext context ) : void
ExportNotImplementedException ( ) : Exception
ExportNotImplementedException ( object notImplementedValue ) : Exception
Field ( ) : System
GetHandlerSlot ( int slotIndex ) : Type	Gets the type of the slot. A slot type may represent numeros CLR types in compile time. In runtime, however a single type from the previously defined enumeration is assigned to this slot. This function returns this type in runtime.
GetXmlData ( ) : string
ImportData ( XmlNode fieldNode ) : void	For Powershell provider
ImportData ( XmlNode fieldNode, ImportContext context ) : void	For old-way-import
InvalidImportDataException ( string message ) : Exception
InvalidImportDataException ( string message, Exception innerException ) : Exception
OnSaveCompleted ( ) : void
ParseValue ( string value ) : bool
ReadProperties ( ) : object
ReadProperty ( string propertyName ) : object
WriteProperties ( object value ) : void
WriteProperty ( string propertyName, object value ) : void
WriteXmlData ( XmlWriter writer ) : void

Private Methods

Méthode	Description
Create ( Content content, FieldSetting fieldSetting ) : Field
DoValidate ( ) : bool
Export ( XmlWriter writer, ExportContext context ) : void
Export2 ( XmlWriter writer, ExportContext context ) : void
GetExportName ( string fieldName, FieldSubType &subType ) : string
GetInnerXml ( ) : string
Import ( XmlNode fieldNode ) : void	For Powershell provider
Import ( XmlNode fieldNode, ImportContext context ) : void	For old-way-import
ParseImportName ( string importName, FieldSubType subType ) : string
Save ( bool validOnly ) : void
SetDefaultValue ( ) : void
Validate ( ) : bool

Method Details

ConvertFrom() protected méthode

Creates ContentHandler properties from the transfer object.

protected ConvertFrom ( object value ) : object[]
value	object
Résultat	object[]

ConvertTo() protected méthode

Creates a transfer object from ContentHandler properties

protected ConvertTo ( object handlerValues ) : object
handlerValues	object
Résultat	object

ExportData() protected méthode

protected ExportData ( XmlWriter writer, ExportContext context ) : void
writer	System.Xml.XmlWriter
context	ExportContext
Résultat	void

ExportData2() protected méthode

protected ExportData2 ( XmlWriter writer, ExportContext context ) : void
writer	System.Xml.XmlWriter
context	ExportContext
Résultat	void

ExportNotImplementedException() protected méthode

protected ExportNotImplementedException ( ) : Exception
Résultat	System.Exception

ExportNotImplementedException() protected méthode

protected ExportNotImplementedException ( object notImplementedValue ) : Exception
notImplementedValue	object
Résultat	System.Exception

Field() protected méthode

protected Field ( ) : System
Résultat	System

GetData() public méthode

Returns object data which is a transfer object.

public GetData ( ) : object
Résultat	object

GetHandlerSlot() protected méthode

Gets the type of the slot.

A slot type may represent numeros CLR types in compile time. In runtime, however a single type from the previously defined enumeration is assigned to this slot. This function returns this type in runtime.

protected GetHandlerSlot ( int slotIndex ) : Type
slotIndex	int	Index of the slot of which the type is needed
Résultat	System.Type

GetIndexFieldInfos() public méthode

public GetIndexFieldInfos ( string &textExtract ) : IEnumerable
textExtract	string
Résultat	IEnumerable

GetValidationMessage() public méthode

public GetValidationMessage ( ) : string
Résultat	string

GetXmlData() protected méthode

protected GetXmlData ( ) : string
Résultat	string

HasValue() public méthode

public HasValue ( ) : bool
Résultat	bool

ImportData() protected méthode

For Powershell provider

protected ImportData ( XmlNode fieldNode ) : void
fieldNode	System.Xml.XmlNode
Résultat	void

ImportData() protected abstract méthode

For old-way-import

protected abstract ImportData ( XmlNode fieldNode, ImportContext context ) : void
fieldNode	System.Xml.XmlNode
context	ImportContext
Résultat	void

InvalidImportDataException() protected méthode

protected InvalidImportDataException ( string message ) : Exception
message	string
Résultat	System.Exception

InvalidImportDataException() protected méthode

protected InvalidImportDataException ( string message, Exception innerException ) : Exception
message	string
innerException	System.Exception
Résultat	System.Exception

OnSaveCompleted() protected méthode

protected OnSaveCompleted ( ) : void
Résultat	void

Parse() public méthode

public Parse ( string value ) : bool
value	string
Résultat	bool

ParseValue() protected méthode

protected ParseValue ( string value ) : bool
value	string
Résultat	bool

ReadProperties() protected méthode

protected ReadProperties ( ) : object
Résultat	object

ReadProperty() protected méthode

protected ReadProperty ( string propertyName ) : object
propertyName	string
Résultat	object

SetData() public méthode

Sets object data which is a transfer object.

public SetData ( object value ) : void
value	object
Résultat	void

WriteProperties() protected méthode

protected WriteProperties ( object value ) : void
value	object
Résultat	void

WriteProperty() protected méthode

protected WriteProperty ( string propertyName, object value ) : void
propertyName	string
value	object
Résultat	void

WriteXml() public méthode

public WriteXml ( XmlWriter writer ) : void
writer	System.Xml.XmlWriter
Résultat	void

WriteXmlData() protected méthode

protected WriteXmlData ( XmlWriter writer ) : void
writer	System.Xml.XmlWriter
Résultat	void