FLUENT NHIBERNATE DOCUMENTATION PDF

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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You’ll quickly get used to these lambdas, as they’re used everywhere docujentation Fluent NHibernate. If you really do want a one-to-one, then you can use the HasOne method. HasMany is probably the most common collection-based relationship you’re going to use; a HasMany is the “other side” of a References relationship. Components are a clever way of mapping a normalized data model into a documentarion reasonable object model. You should use this only in very special cases eg.

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NHibernate Mapping Samples – Visual Studio Marketplace

For example, if you’re generating your schema you may want to specify whether the column itself is nullable, you can do that by using the Nullable method and optionally the Not documentatiin property.

Customisations can be done by chaining methods off the Id call. This question appears to be off-topic.

For illustrative purposes we’ll be mapping the relationship between a book and it’s author. Every mapping requires an Id of some kind, these are mapped using documenfation Id method; this method takes a lambda expression of the property you want to use as your Id. This type of mapping always requires more than one column.

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There are a few different types of collections you can use, and they’re all available under the HasManyToMany call. Property is accessing a property on your entity coincidently called Property in this case.

It’s a fluent interface that allows you to map your entities completely in code, with all the compile-time safety and refactorability that brings.

Everything you need should be easy to find “under” the declaring method using method chains.

Fluent mapping

If you wanted to do a table-per-class-hierarchy strategy, then you just need to specify the discriminator column in your ClassMap. That’s the most common scenario for mapping your Id. I have documentstion using Docymentation to find things and it works, but it is not ideal. The main ones you’ll normally use are many-to-one’s, one-to-many’s, and many-to-many’s.

In database terms that would be a book table with a foreign key column referencing the primary key of a author table. Depending on the return type of the nhibernxte you supply, Fluent NHibernate will make some assumptions about the kind of identifier you’re using.

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. 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, Nihbernate, and HasManyToMany’s, respectively. The following is what you’d use inside the constructor of your Book mapping:. As you can see, the first parameter references the Address property on our entity, which is the property that holds our component.

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The first column holds the type of the associated entity. Firo 28k 4 45 That’s all you need for most situations. You can read about them here. It is impossible to specify a foreign key constraint for this kind of association, so this is most certainly not meant as the usual way of mapping polymorphic associations. My biggest obstacle to getting the hang of Fluent NHibernate so far has been finding the namespaces for the classes that I need to work through samples I find blog posts, SO questions, etc.

There are two strategies for mapping inheritance hierarchies in Fluent NHibernate, table-per-class-hierarchy and table-per-subclass; the former being a subclass, and the latter a joined-subclass. The parent mapping dictates what the subclass mapping strategy will be by either specifying a discriminator or not discriminators are required for table-per-class-hierarchy.

If you need to map private properties, you can read about our situation here. Instead, describe the problem and what has been done so far to solve it. Fluent NHibernate knows what the return type of your property is, and assumes that the column it’s mapping against will have the same name as the property itself.

The users who voted to close gave this specific reason: 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.

Mapping contains classes used to create Fluent Mappings.