Generic « dao « Java Database Q&A

1. Advanced Java Generics question: why do we need to specify redundant information    stackoverflow.com

I've got some generic class for my JPA model POJO that goes like this:

public interface Identifiable<PK extends Serializable> {
    PK getUniqueId();
}

public interface GenericDao<T extends Identifiable<PK>> {
   ...

2. Can I do this Generic thing?    stackoverflow.com

Hi there: It seems I'm missing something with Java Generics because something I think is simple, it appears to me that can´t be done. Maybe you can help... This is the scenario: I'm ...

3. My DAO's are starting to look the same, suggest a remedy design pattern?    stackoverflow.com

I've noticed that having a data access object (DAO) interface and implementation is really starting to add up:

public interface ForceDAO{
    public void store(Force force);
    public ...

4. generic DAO in java    stackoverflow.com

I am trying to develop generic DAO in java.I have tried the following.Is this a good way to implement generic dao?I dont want to use hibernate.I am trying to make it ...

5. Java DAO factory dynamic returned object type    stackoverflow.com

I'm trying to write simple DAO that will create entity objects based on their type stored in String field. How to return type that is changed dynamicly? Method findById() of UserDAO class ...

6. Java Enums with Generic Classes    stackoverflow.com

I am switching gears from the interpreted world and I am trying to replicate a pattern I have used in the passed with great success but in Java. The short of it ...

7. How to write a simple generic DAO class?    coderanch.com

How to write a simple generic DAO class to use a single datasource, thus without fancy things like Hybernate, JTA etc. With the same class i want to retrieve/store single objects but also objects with a parent/child relationship. My question is what is best practice if you want to hide all the data access logic from the business logic including transactions. ...

8. Help me see if possible Generic DAO Factory    coderanch.com

What I need to make in Dao Factory is something like this I have DaoFactory class, BaseDao (Parent Dao), and then where UserDao, ProductDao will extends BaseDao In my use case, I would like to DaoFactory.getDao("user").insert(); DaoFactory.getDao("product").update(); where DaoFactory.getDao("user") will implicitly return UserDao instance. But inside this getDao implementation, it is not hardcoding the UserDao and ProductDao instance inside. Means, when ...