MetadataProviderBase Class

Base class for a provider of updates to the data in a MetadataFile.

Inheritance Hierarchy

SystemObject
  SystemMarshalByRefObject
    GSF.AdaptersAdapter
      GSF.Historian.MetadataProvidersMetadataProviderBase
        GSF.Historian.MetadataProvidersAdoMetadataProvider
        GSF.Historian.MetadataProvidersOleDbMetadataProvider
        GSF.Historian.MetadataProvidersRestWebServiceMetadataProvider

Namespace: GSF.Historian.MetadataProviders
Assembly: GSF.Historian (in GSF.Historian.dll) Version: 2.4.257-beta

Syntax

C++

JavaScript

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public abstract class MetadataProviderBase : Adapter, 
	IMetadataProvider, IAdapter, ISupportLifecycle, IDisposable, IProvideStatus, 
	IPersistSettings

Public MustInherit Class MetadataProviderBase
	Inherits Adapter
	Implements IMetadataProvider, IAdapter, ISupportLifecycle, IDisposable, 
	IProvideStatus, IPersistSettings

public ref class MetadataProviderBase abstract : public Adapter, 
	IMetadataProvider, IAdapter, ISupportLifecycle, IDisposable, IProvideStatus, 
	IPersistSettings

[<AbstractClassAttribute>]
type MetadataProviderBase = 
    class
        inherit Adapter
        interface IMetadataProvider
        interface IAdapter
        interface ISupportLifecycle
        interface IDisposable
        interface IProvideStatus
        interface IPersistSettings
    end

GSF.Historian.MetadataProviders.MetadataProviderBase = function();

Type.createClass(
	'GSF.Historian.MetadataProviders.MetadataProviderBase',
	GSF.Adapters.Adapter,
	GSF.Historian.MetadataProviders.IMetadataProvider,
	GSF.Adapters.IAdapter,
	GSF.ISupportLifecycle,
	IDisposable,
	GSF.IProvideStatus,
	GSF.Configuration.IPersistSettings);

View Source

The MetadataProviderBase type exposes the following members.

Constructors

	Name	Description
	MetadataProviderBase	Initializes a new instance of the metadata provider.

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Properties

	Name	Description
	Domain	Gets the AppDomain in which the Adapter is executing. (Inherited from Adapter)
	Enabled	Gets or sets a boolean value that indicates whether the Adapter is currently enabled. (Inherited from Adapter)
	HostFile	Gets or sets the path to the file where the Adapter is housed. (Inherited from Adapter)
	IsDisposed	Gets a flag that indicates whether the object has been disposed. (Inherited from Adapter)
	MemoryUsage	Gets the memory utilization of the Adapter in bytes if executing in a separate AppDomain, otherwise NaN. (Inherited from Adapter)
	Metadata	Gets or sets the MetadataFile to be refreshed by the metadata provider.
	Name	Gets the unique identifier of the Adapter. (Inherited from Adapter)
	PersistSettings	Gets or sets a boolean value that indicates whether Adapter settings are to be saved to the config file. (Inherited from Adapter)
	ProcessorUsage	Gets the % processor utilization of the Adapter if executing in a separate AppDomain otherwise NaN. (Inherited from Adapter)
	RefreshInterval	Gets or sets the interval in minutes at which the Metadata if to be refreshed automatically.
	RefreshTimeout	Gets or sets the number of seconds to wait for the Refresh to complete.
	SettingsCategory	Gets or sets the category under which Adapter settings are to be saved to the config file if the PersistSettings property is set to true. (Inherited from Adapter)
	Status	Gets the descriptive status of the Adapter. (Inherited from Adapter)
	TypeName	Gets or sets the text representation of the Adapter's TypeName. (Inherited from Adapter)

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Methods

	Name	Description
	CreateObjRef	Creates an object that contains all the relevant information required to generate a proxy used to communicate with a remote object. (Inherited from MarshalByRefObject)
	Dispose	Releases all the resources used by the Adapter. (Inherited from Adapter)
	Dispose(Boolean)	Releases the unmanaged resources used by the metadata provider and optionally releases the managed resources. (Overrides AdapterDispose(Boolean))
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object)
	Finalize	Releases the unmanaged resources before the Adapter is reclaimed by GC. (Inherited from Adapter)
	GetHashCode	Serves as the default hash function. (Inherited from Object)
	GetLifetimeService	Retrieves the current lifetime service object that controls the lifetime policy for this instance. (Inherited from MarshalByRefObject)
	GetType	Gets the Type of the current instance. (Inherited from Object)
	Initialize	Initializes the metadata provider. (Overrides AdapterInitialize)
	InitializeLifetimeService	Obtains a lifetime service object to control the lifetime policy for this instance. (Inherited from MarshalByRefObject)
	LoadSettings	Loads saved metadata provider settings from the config file if the PersistSettings property is set to true. (Overrides AdapterLoadSettings)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object)
	MemberwiseClone(Boolean)	Creates a shallow copy of the current MarshalByRefObject object. (Inherited from MarshalByRefObject)
	OnDisposed	Raises the Disposed event. (Inherited from Adapter)
	OnExecutionException	Raises the ExecutionException event. (Inherited from Adapter)
	OnMetadataRefreshComplete	Raises the MetadataRefreshComplete event.
	OnMetadataRefreshException	Raises the MetadataRefreshException event.
	OnMetadataRefreshStart	Raises the MetadataRefreshStart event.
	OnMetadataRefreshTimeout	Raises the MetadataRefreshTimeout event.
	OnStatusUpdate	Raises the StatusUpdate event. (Inherited from Adapter)
	Refresh	Refreshes the Metadata from an external source.
	RefreshMetadata	When overridden in a derived class, refreshes the Metadata from an external source.
	SaveSettings	Saves metadata provider settings to the config file if the PersistSettings property is set to true. (Overrides AdapterSaveSettings)
	ToString	Returns a string that represents the current object. (Inherited from Object)

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Events

	Name	Description
	Disposed	Occurs when Adapter is disposed. (Inherited from Adapter)
	ExecutionException	Occurs when the IAdapter encounters an Exception during execution. (Inherited from Adapter)
	MetadataRefreshComplete	Occurs when Refresh of Metadata is completed.
	MetadataRefreshException	Occurs when an Exception is encountered during Refresh of Metadata.
	MetadataRefreshStart	Occurs when Refresh of Metadata is started.
	MetadataRefreshTimeout	Occurs when Refresh of Metadata times out.
	StatusUpdate	Occurs when the Adapter wants to provide a status update. (Inherited from Adapter)

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Extension Methods

	Name	Description
	GetEnumValueOrDefault	Gets the enumeration constant for value, if defined in the enumeration, or a default value. (Defined by EnumExtensions)
	GetEnumValueOrDefaultT	Gets the enumeration constant for this value, if defined in the enumeration, or a default value. (Defined by EnumExtensions)

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Reference

GSF.Historian.MetadataProviders Namespace