DataObjectIdentifierConverter Class

Artikel
02/28/2011

Provides the ability to convert data source–specific object identifiers from strings to identifier parts, and from identifier parts to strings.

Inheritance Hierarchy

System.Object
  Microsoft.VisualStudio.Data.Framework.DataSiteableObject<IVsDataConnection>
    Microsoft.VisualStudio.Data.Framework.DataObjectIdentifierConverter
      Microsoft.VisualStudio.Data.Framework.AdoDotNet.AdoDotNetObjectIdentifierConverter

Namespace: Microsoft.VisualStudio.Data.Framework
Assembly: Microsoft.VisualStudio.Data.Framework (in Microsoft.VisualStudio.Data.Framework.dll)

Syntax

'Declaration
Public MustInherit Class DataObjectIdentifierConverter _
    Inherits DataSiteableObject(Of IVsDataConnection) _
    Implements IVsDataObjectIdentifierConverter

public abstract class DataObjectIdentifierConverter : DataSiteableObject<IVsDataConnection>, 
    IVsDataObjectIdentifierConverter

public ref class DataObjectIdentifierConverter abstract : public DataSiteableObject<IVsDataConnection^>, 
    IVsDataObjectIdentifierConverter

[<AbstractClass>]
type DataObjectIdentifierConverter =  
    class
        inherit DataSiteableObject<IVsDataConnection>
        interface IVsDataObjectIdentifierConverter
    end

public abstract class DataObjectIdentifierConverter extends DataSiteableObject<IVsDataConnection> implements IVsDataObjectIdentifierConverter

The DataObjectIdentifierConverter type exposes the following members.

Constructors

	Name	Description
	DataObjectIdentifierConverter()	Initializes a new instance of the DataObjectIdentifierConverter class.
	DataObjectIdentifierConverter(IVsDataConnection)	Initializes a parameterized instance of the DataObjectIdentifierConverter class, specifying a data connection object.

Top

Properties

	Name	Description
	Site	Gets or sets the object site. (Inherited from DataSiteableObject<T>.)

Top

Methods

	Name	Description
	BuildString	Builds a string version of an identifier.
	ConvertToArray	Converts a formatted string identifier into its equivalent set of identifier parts.
	ConvertToString(String, array<Object[])	Converts a set of identifier parts into a formatted string identifier.
	ConvertToString(String, array<Object[], DataObjectIdentifierFormat)	Converts a set of identifier parts into a formatted string identifier, using the specified formatting option.
	Equals	Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	FormatPart	Formats a specified identifier part.
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	OnSiteChanged	Raises the SiteChanged event. (Inherited from DataSiteableObject<T>.)
	SplitIntoParts	Divides a string version of an identifier into a set of identifier parts converted into the expected format.
	ToString	Returns a string that represents the current object. (Inherited from Object.)
	UnformatPart	Removes formatting applied to a given identifier part.

Top

Events

	Name	Description
	SiteChanged	Occurs when the Site property is changed. (Inherited from DataSiteableObject<T>.)

Top

Remarks

Typically, the identifier of an object on a data source consists of a string that is used in commands that get executed. For example, in the SQL statement SELECT * FROM mytable, the string mytable is the unique identifier of an object in the context under which the statement is running.

Typically a data source has some kind of containment mechanism for objects, such as a catalog, schema, or package. This introduces the need for multiple-part identifiers because a single name no longer suffices for uniquely identifying objects. For example, an Oracle server groups different objects under different users, causing the unique identifier of an object to be qualified with a user name.

Because the format of such multiple-part identifiers can vary from one data source to another, there has to be a way to convert a given string into its set of parts and vice versa. This class provides such a mechanism.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Freigeben über