Use this attribute to give a value to a field identified in a mapping attribute.

Attribute taking an order position.

Root of an entity class hierarchy. Entities have their own tables

Map properties of a child object to columns of the table of a parent class

Use this attribute to define a "component" on a property/field.

A composite key may be modelled by a .NET class with a property for each key column. The class must be Serializable and override equals() and hashCode()

Polymorphic data requires a column holding a class discriminator value. This value is not directly exposed to the application

Tells which algorithm to use to generate the identifier

Build hbm.xml files from entities (Class, Subclass or JoinedSubclass).

Write a XmlSchemaElement from attributes in a System.Type.

Customized HbmWriter. Support ComponentPropertyAttribute.

Return the value to use when a (required) attribute is not specified. Note: Implementations of Get_XXX_YYY_DefaultValue() return [type|property].Name; // YYY is the "identifier" of XXX ThrowRequiredValueNotProvidedException(); // There is no way to get it

Customized HbmWriterHelper. Support ComponentPropertyAttribute.

hibernate-mapping is the document root

Declares the id type, column and generation algorithm for an entity class. If a name attribute is given, the id is exposed to the application through the named property of the class. If not, the id is only exposed to the application via Session.getIdentifier()

An explicit query language "import"

Joined subclasses are used for the normalized table-per-subclass mapping strategy

Exception occuring when NHibernate.Mapping.Attributes finds an error in your mapping (using its .NET attributes). Most of the time, the error is due to an omission of a required type/name in the mapping.

Property of an entity class or component, component-element, composite-id, etc. Class Properties (get_ and set_ methods) are mapped to table columns

Use this attribute to add any XML at a specific place.

Subclass declarations are nested beneath the root class declaration to achieve polymorphic persistence

Is equivalent to <version type="timestamp">

Versioned data requires a column holding a version number. This is exposed to the application through a property of the .NET class

Rule as to how to operate on child objects (for more information, read topics about "persistence by reachability" or "transparent/transitive/cascading persistence")

Types of polymorphism

Values used to restrict composite-id, does not apply to meta/column/generator