Contribute to FluentNHibernate/fluent-nhibernate development by creating an read through our API documentation, or just see what’s available for reading in. i would advice to use some kind of IDE which is capable of autoresolve the namespaces (Visual Studio, Sharpdevelop, ) then you only need to copy paste the. Visual Studio sample solution containing the code using Fluent NHibernate which documentation on how to achieve certain goals with Fluent NHibernate.
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Property is accessing a property on your entity coincidently called Property in this case. For better or worse we tend not to refer to these by their database design names, we aren’t dba’s after all, instead we refer to them by References, HasMany’s, and HasManyToMany’s, respectively.
There are several methods available that map your properties in different ways, and each one of those is a method chain that you can use to customise the individual mapping. Everything you need should be easy to find “under” documenration declaring method using method chains.
Sign In Don’t have an account? You may have a customer table that has a series of address columns, ideally you’d want the address columns to be mapped into an Address object, rather than just being properties on a Customer; you can do that with components. Firo 28k doucmentation 45 Subclasses work in a very similar way to ClassMap’sin that you create a derived class which you put your mappings in; it’s just you use SubclassMap instead of ClassMap.
If you wanted to do a table-per-class-hierarchy strategy, then you just need to specify the discriminator column documsntation your ClassMap.
The first column holds the type of the associated entity. In this example we’re specifying that the Id property is mapped to a PersonId column in the database, and it’s using an assigned generator. Fluent NHibernate’s interface is designed for discoverability. The following is what you’d use inside the constructor documentatin your Book mapping:.
Fluent NHibernate API documentation – Stack Overflow
Depending on the return type of the property you supply, Fluent NHibernate will make some assumptions about the kind of identifier you’re using. Property ; the x on the left is the parameter declaration, which will be the entity you’re mapping, while the x. I think you mean a many-to-one. The getting flunet guide has a good introduction to mapping with the fluent interface.
HasOne is usually reserved for a special case, generally you’d use a References in most situations see: There are a few different types of collections you can use, and they’re all available under the HasMany call. Apart from the most basic of domains, nearly every situation will require mapping some form of relationship.
NHibernate Mapping Samples – Visual Studio Marketplace
The only difference is in ParentMap we’re now calling DiscriminateSubclassesOnColumn with a “type” parameter; this parameter is the column name in the table which dictates what class each nhibernqte represents. Cfg fluently configuring the NHibernate.
Customisations can be done by chaining methods off the Id call. Going with the same example as above, this time we’re mapping the author side which joins into the books table returning a collection of any books of that author. The users who voted to close gave this specific reason: If you really do want a one-to-one, then you can use the HasOne method. Conventions Interfaces to define Conventions used for Auto and Fluent mappings.
Every mapping requires an Id of some kind, these are mapped using the Id method; this method takes a lambda expression of the property you want to use as your Id.
Fluent NHibernate – The official website
That’s all you need for most situations. The remaining columns hold the identifier. Components are a clever way of mapping a normalized data model into a fluetn reasonable object model.
Instead, describe the problem and what has been done so far to solve it. Once you’ve read that then you should be able to find a bit more detail here. For example, if we were to need to change what column the property maps to we could use the Column method, or for explicitly specifying the identity generator you could use the GeneratedBy property.