added in version 2.0.0
belongs to Maven artifact androidx.room:room-common:2.0.0-beta01

Dao

public abstract @interface Dao
implements Annotation

androidx.room.Dao


Marks the class as a Data Access Object.

Data Access Objects are the main classes where you define your database interactions. They can include a variety of query methods.

The class marked with @Dao should either be an interface or an abstract class. At compile time, Room will generate an implementation of this class when it is referenced by a Database.

An abstract @Dao class can optionally have a constructor that takes a Database as its only parameter.

It is recommended to have multiple Dao classes in your codebase depending on the tables they touch.

See also:

Summary

Inherited methods