1. Is this a good design in hibernate? stackoverflow.comi have a parent entity Service and a child ExtendedService in a SINGLE_TABLE inheritance. A third entity ServiceCollector need to include both entites Service and ExtendedService. This is a fixed requirement, and ... |
2. design pattern in hibernate stackoverflow.comi would like to know what design pattern will hibernate follows,and how it will be work.? Any help will be highly appreciable. |
3. JPA, pattern or anti-pattern: to have both flat and related sets of mappings? stackoverflow.comThis question concerns using JPA to manage some data where some scenarios benefit from the full object model and others seem to be better implemented by a much flatter model. I'm ... |
4. Hibernate "effective date pattern" mapping under many-to-one forum.hibernate.orgthere is a table T, containing two fields product_id and date_of_production and a table product_info, containing columns product_id, a number of columns describing product and product#BGN and product#END columns, so for each product we have quite different properties dependent on date of production. The problem is to map many-to-one in such a way, that the resulting select would have the following ... |
5. How to map Strategy pattern forum.hibernate.orgI need to map strategy pattern with following source code. Please help me. : public interface StrategyInterface { public void writeToDB(); } import java.io.File; import java.sql.Connection; import java.sql.DriverManager; import java.sql.Statement; import net.sf.hibernate.HibernateException; import net.sf.hibernate.Session; import net.sf.hibernate.SessionFactory; import net.sf.hibernate.cfg.Configuration; public class StrategyA implements StrategyInterface { int number; int id; public void writeToDB() { number = 30; try { SessionFactory sessions = new ... |
6. Inheritance design pattern and Hibernate forum.hibernate.orgI got this problem. I have one class(parent) which is extended by other class (child). When I query the parent the child gets queried with the outer join. How do I prevent this? I went through the documentation. And tried every permutation and combination with proxies and discriminator value. But with no result. I don't understand how the discriminator-value and proxy ... |
7. Inheritance Patterns supported in Hibernate forum.hibernate.orgHibernate version: 2.1.latest Mapping documents: none yet There are a few Inheritance patterns I am familiar with for O/R mapping. Nearly all of the examples that I can find in hibernate documentation relate to Single Table Inheritance, where all fields are contained in a single table and sub-classes or inherited classes are treated as components in the mapping document. The pattern ... |
8. Patterns for mapping null NUMBER fields to primitive ints ? forum.hibernate.orgI have a legacy db scheme with a number of integers that are allowed to be NULL. Currently the domain objects use ints to store the data but this results in a NPE on teh binding. Is there a way to bind the mapping so it uses a default value (say 0) for a NULL NUMBER in the db, or do ... |
9. Mapping for the "separated interface" pattern forum.hibernate.orgI would like to use "separated interface" pattern to code the objects. That is there are two class files for each object, an interface and an implementation. The clients of these objects always refer to the objects by the interface name and not the implementation. They even query based on the interface name instead of the implementation. So the hibernate mapping ... |
10. Multiplexer/Demultiplexer Mapping Pattern forum.hibernate.org |
11. Identity map pattern forum.hibernate.org |
12. Pattern for deep OO inheritance forum.hibernate.orgI'm looking how to implement 'table-per-subclass' with greater than 2 inheritance. E.g. (C# syntax) classA{} classB : ClassA{} classC : ClassB{} I've tried something like the following below: (Nested |
13. Project Patterns form mapping "consolidated properties& forum.hibernate.org |
14. Mapping a strategy pattern forum.hibernate.orgI have a class with some properties, where one of them is a strategy. The strategy doesn't have any fields, so I don't want to have a table for strategies. I'd love to map the strategy in the same table that maps every other property of my class (theoretically, Hibernate only needs the class type to be able to retrieve my ... |
15. Map bridge pattern forum.hibernate.orgHi, My domain model consist of a bridge pattern Code: interface IEntity { getId(); getName(); } class OneEntityImpl implements IEntity{ OrgInteface oi; getName(){ return oi.getName(); } getId(){ return oi.getId(); ... |
16. Mapping a strategy pattern with Hibernate forums.oracle.com |