Class DbMetadata

A DbMetadata contains the value of a MetadataDefinition for a specific DbMediaItem and Language

Inheritance
System.Object
DbMetadata
DbMetadataBoolean
DbMetadataDateTime
DbMetadataDecimal
DbMetadataInteger
DbMetadataLongString
DbMetadataString
Inherited Members
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: ImageVault.Core.Common.DbEntities
Assembly: ImageVault.Core.dll
Syntax
public abstract class DbMetadata

Constructors

DbMetadata()

Initializes a new instance of the DbMetadata class.

Declaration
protected DbMetadata()

DbMetadata(DbMetadataDefinition, DbLanguage)

Initializes a new instance of the DbMetadata class.

Declaration
protected DbMetadata(DbMetadataDefinition md, DbLanguage language)
Parameters
Type Name Description
DbMetadataDefinition md
DbLanguage language
Exceptions
Type Condition
System.ArgumentNullException

If md is null.

Properties

Language

Get/Sets the Language of the DbMetadata

Declaration
public DbLanguage Language { get; set; }
Property Value
Type Description
DbLanguage

LanguageId

Get/Sets the LanguageId of the DbMetadata

Declaration
public int? LanguageId { get; set; }
Property Value
Type Description
System.Nullable<System.Int32>

MetadataDefinition

Get/Sets the DbMetadataDefinition of the DbMetadata

Declaration
public DbMetadataDefinition MetadataDefinition { get; set; }
Property Value
Type Description
DbMetadataDefinition

MetadataDefinitionId

Get/Sets the MetadataDefinitionId of the DbMetadata

Declaration
public int MetadataDefinitionId { get; set; }
Property Value
Type Description
System.Int32

MetadataId

Get/Sets the MetadataId of the DbMetadata

Declaration
public int MetadataId { get; set; }
Property Value
Type Description
System.Int32

StringValue

Get/Sets the StringValue of the DbMetadata

Declaration
public string StringValue { get; set; }
Property Value
Type Description
System.String

This value is a 250 characters unicode string that is used for freetext searches

Value

Get/Sets the Value of the DbMetadata

Declaration
public abstract object Value { get; set; }
Property Value
Type Description
System.Object

Override this in each subclass and return the real value for each instance

VersionId

Gets the version id that this metadata is connected to

Declaration
public int VersionId { get; set; }
Property Value
Type Description
System.Int32

Methods

CreateMetadataInstance(Metadata)

Creates DbMetadata from the supplied metadata

Declaration
public static DbMetadata CreateMetadataInstance(Metadata metadata)
Parameters
Type Name Description
Metadata metadata
Returns
Type Description
DbMetadata
Exceptions
Type Condition
System.ArgumentNullException

If metadata is null.
System.NotImplementedException

If cannot create DbMetadata from Metadata of type .

ToString()

Returns a System.String that represents the current DbMetadata.

Declaration
public override string ToString()
Returns
Type Description
System.String

A System.String that represents the current DbMetadata.
Overrides
System.Object.ToString()

UpdateStringValue()

Sets the StringValue to the first 250 characters of the ToString evaluation. If Value is null, StringValue is set to null.

Declaration
protected void UpdateStringValue()
Remarks

This method should be called whenever the Value changes to update the StringValue field.

Extension Methods