Microsoft.Office.Server.ApplicationRegistry.MetadataModel 命名空间

Allows the reading of the metadata objects from, and execution of the business logic described in, the metadata database.

Because it is cached and fast, clients that need to query the metadata database for metadata information should use the MetadataModel namespace instead of the Microsoft.Office.Server.Administration namespace, which is read/write.

类

	类	说明
	AccessControlledMetadataObject	Represents a Business Data Catalog metadata object whose access can be controlled by permissions. All 13 metadata objects and ApplicationRegistry inherit from this class and therefore, can be controlled by permissions. This class cannot be instantiated.
	Action	Represents an action in the Business Data Catalog.
	ActionParameter	Defines the parameters the action URL accepts.
	ApplicationRegistry	Provides access to all the line-of-business (LOB) systems and LOB system instances registered in the Business Data Catalog. This is the top-level object in the Business Data Catalog's object model. It enables you to read all the metadata objects including LOB system, entities, and methods.
	Association	Represents a relationship between two or more related entities within a line-of-business (LOB) system.
	DataClass	Represents the base class for all entities.
	DefaultValue	Represents a default value for a part of an input parameter of a back-end method.
	DuplicateMetadataObjectException	This is just like the InvalidMetadataObjectException class, except that it includes a reference to the duplicate object as well as which field is causing the collision. These fields are not guaranteed to be populated; it is a best effort. When they are populated, they will contain the correct information.
	Entity	Represents an entity such as Customer or Product, in a line-of-business (LOB) application.
	ExceededMetadataObjectLimitException	This exception is thrown when the metadata object limit is exceeded.
	Field	Represents a column returned from the business application. This essentially wraps the TypeDescriptor describing the column in the metadata definition.
	FieldCollection	Represents a collection of fields returned by a business application.
	FilterDescriptor	Filters are the fundamental way in which the Business Data Catalog captures user (or system) input and plumbs it through to the backend API invocation. FilterDescriptors describe where in a complex series of parameters, a filter value should be inserted. This is accomplished by 'tagging' the TypeDEscriptors representing complex parameters of a Method definition to flag where the insertion should happen. It is important to note that the backend must supply the functionality for filtering; the FilterDescriptors merely form a mechanism to surface this to the end user. FilterDescriptor objects are owned (contained) inside Method objects. They are subsequently referred by TypeDescriptor objects.
	FilterDescriptorCollection	Represents a collection of filters associated with an entity.
	Identifier	Represents the persistent and unique identity of entity instances.
	IdentifierCollection	Represents a collection of identifiers associated with an entity.
	InvalidMetadataObjectException	This exception is thrown if the metadata object you are trying to access or create is invalid.
	InvalidMetadataPropertyException	This exception is thrown if a metadata property is invalid.
	LobSystem	Represents a source of business data, business logic, or both. SAP R/3 IDES, Siebel 7.5, and AdventureWorks SQL Server 2000 sample database are examples of LobSystem objects.
	LobSystemInstance	Represents an LobSystemInstance object that is registered in the Business Data Catalog.
	MetadataException	Represents an exception thrown by a metadata object.
	MetadataObject	Represents the abstract base class of the 13 metadata objects in the Business Data Catalog.
	MetadataObjectNotFoundException	This exception is thrown if the requested metadata object cannot be found in the Business Data Catalog.
	Method	Represents operations related to an entity that you can perform in the line-of-business (LOB) application. Methods represent pointers to business logic in a business application. Examples of methods are "get a list of customers," "get the order with a specified ID," and "update the unit price of a product."
	MethodInstance	Describes how to call a method. A MethodInstance object is a reference to a method, plus the default values for the parameters.
	MissingMetadataPropertyException	This exception is thrown if a metadata object definition is missing a required property.
	NamedActionDictionary	Represents a dictionary of Action objects from the Business Data Catalog.
	NamedActionParameterDictionary	Represents a dictionary of ActionParameter objects from the Business Data Catalog.
	NamedAssociationDictionary	Represents a dictionary of Association objects from the Business Data Catalog.
	NamedDataClassDictionary	Represents a dictionary of DataClass objects from the Business Data Catalog.
	NamedEntityDictionary	Represents a dictionary of Entity objects from the Business Data Catalog.
	NamedLobSystemDictionary	Represents a dictionary of LobSystem objects from the Business Data Catalog.
	NamedLobSystemInstanceDictionary	Represents a dictionary of LobSystemInstance objects from the Business Data Catalog.
	NamedMethodDictionary	Represents a dictionary of Method objectsfrom the Business Data Catalog.
	NamedMethodInstanceDictionary	Represents a dictionary of MethodInstance objects from the Business Data Catalog.
	NamedPropertyDictionary	Represents a dictionary of Property objects from the Business Data Catalog.
	Parameter	Represents the in, inout, out and return parameters of each method.
	ParameterCollection	Represents a collection of Parameter objects.
	TypeDescriptor	Defines the data type of a parameter for a method.
	TypeDescriptorCollection	Represents a TypeDescriptor collection.
	View	A View denotes the schema, or the set of fields contained by an Entity Instance.

枚举

	枚举	说明
	DirectionType	Specifies the direction in which the parameter is passed between the Business Data Catalog and the business application.
	MethodInstanceType	Represents the type of a MethodInstance object.