Class GuidUtility

Provides methods for easy workign with guids

Inheritance

System.Object

GuidUtility

Inherited Members

System.Object.ToString()

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

Namespace: Simplic

Assembly: Simplic.CoreLib.dll

Syntax

public static class GuidUtility

Fields

DnsNamespace

The namespace for fully-qualified domain names (from RFC 4122, Appendix C).

Declaration

public static readonly Guid DnsNamespace

Field Value

Type	Description
System.Guid

IsoOidNamespace

The namespace for ISO OIDs (from RFC 4122, Appendix C).

Declaration

public static readonly Guid IsoOidNamespace

Field Value

Type	Description
System.Guid

UrlNamespace

The namespace for URLs (from RFC 4122, Appendix C).

Declaration

public static readonly Guid UrlNamespace

Field Value

Type	Description
System.Guid

Methods

Create(Guid, String)

Creates a name-based UUID using the algorithm from RFC 4122 §4.3.

Declaration

public static Guid Create(Guid namespaceId, string name)

Parameters

Type	Name	Description
System.Guid	namespaceId	The ID of the namespace.
System.String	name	The name (within that namespace).

Returns

Type	Description
System.Guid	A UUID derived from the namespace and name.

Remarks

See Generating a deterministic GUID.

Create(Guid, String, Int32)

Creates a name-based UUID using the algorithm from RFC 4122 §4.3.

Declaration

public static Guid Create(Guid namespaceId, string name, int version)

Parameters

Type	Name	Description
System.Guid	namespaceId	The ID of the namespace.
System.String	name	The name (within that namespace).
System.Int32	version	The version number of the UUID to create; this value must be either 3 (for MD5 hashing) or 5 (for SHA-1 hashing).

Returns

Type	Description
System.Guid	A UUID derived from the namespace and name.

Remarks

See Generating a deterministic GUID.

Create(String)

Creates a name-base UUID using IsoOidNamespace and intern md5 hash

Declaration

public static Guid Create(string name)

Parameters

Type	Name	Description
System.String	name

Returns

Type	Description
System.Guid

GetNewIfNullOrEmpty(Nullable<Guid>)

Create a new guid if it is currently null or empty

Declaration

public static Guid GetNewIfNullOrEmpty(Guid? guid)

Parameters

Type	Name	Description
System.Nullable<System.Guid>	guid	Input guid

Returns

Type	Description
System.Guid	Return the existing guid if it not null or a 0-Guid, else it's creating a new one