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HasManyToAnyAttribute API Document

This attribute allows polymorphic association between classes that doesn't have a common root class. In require two columns that would tell it what is the type of the asssoicated entity, and what is the PK of that entity. This is supplied for advanced sceanrios.

For instnace, let assume that you have two classes (that implement a common interface, but have no base classs) called: - Back Account - Credit Card And you have a set of Payment methods, that can be either. You would define the mapping so:

[HasManyToAny(typeof(IPayment), "pay_id", "payments_table", typeof(int), "payment_type", "payment_method_id",
    MetaType = typeof(int), RelationType = RelationType.Set)]

typeof(IPayement) - the common interface tha both classes implement, and the type of all the items in the set. "pay_id" - the column that hold the PK of this entity (the FK column) "payments_table" - the table that has the assoication information (in 1:M scenarios - usuaully the same table, in M:N scenarios the link table). typeof(int) - the type of id column "payment_type" - the column used to find out which class is represented by this row. "payment_method_id" - the column that holds the PK of the assoicated class (either CreditCard or BankAccount). MetaType = typeof(int) - the type of the meta column (payment_type) RelationType = RelationType.Set - specify that we use a set here

Constructors

HasManyToAnyAttribute(Type mapType, String keyColum, String table, Type idType, String typeColumn, String idColumn)

Initializes a new instance of the Castle.ActiveRecord.HasManyToAnyAttribute class.

Parameter	Description
mapType	Type of the map.
keyColum	The key colum.
table	The table.
idType	Type of the id.
typeColumn	The type column.
idColumn	The id column.

Properties

Name	Type	Description
TypeColumn	String	Gets or sets the type column.
IdColumn	String	Gets or sets the id column.
MetaType	Type	Gets or sets the type of the meta column
IdType	Type	Gets or sets the type of the id column
ColumnKey	String	Gets or sets the key column name.
CompositeKeyColumnKeys	String[]	Gets or sets the names of the column in composite key scenarios.
RelationType	RelationType	Gets or sets the type of the relation.
MapType	Type	Gets or sets the type of the map.
Table	String	Gets or sets the table for this relation
Schema	String	Gets or sets the schema for this relation (dbo., etc)
Lazy	Boolean	Gets or sets a value indicating whether this Castle.ActiveRecord.RelationAttribute is lazy.
Inverse	Boolean	Gets or sets a value indicating whether this Castle.ActiveRecord.RelationAttribute is inverse.
Cascade	ManyRelationCascadeEnum	Gets or sets the cascade options for this Castle.ActiveRecord.RelationAttribute
OrderBy	String	Gets or sets the order by clause for this relation
Where	String	Gets or sets the where clause for this relation
Sort	String	Only used with sets
Index	String	Only used with maps or list
IndexType	String	Only used with maps
Element	String	Use for simple types.
Cache	CacheEnum	Gets or sets the cache strategy to use for this property
Access	PropertyAccess	Gets or sets the access strategy for this property
CustomAccess	String	Gets or sets the custom access strategy
AccessString	String	Gets the access strategy string for NHibernate's mapping.

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