iwanttoimplementasales aandinventory managementsystem,amconfusedastohowtoapply dependencyinjectioninthesystem.Iwanttohave aninventoryclassthatusesdatabaseto persistitsdata, should ihavea classthathand
What\'s the difference between a Data Access Object and Active Record? They seem to be quite the same, as both built a layer between the application and persistence layer, an开发者_开发技巧d abstract
Let\'s assume I have a User class and two subclasses Employee and Customer. I implemented this hierarchy as a table-per-hierarchy in DB with a column for specifying the type of user. I need to return
I need to cache a database into an array using Java, what is the best way to do this? I need this array to refresh every 5 mi开发者_C百科nutes and I need to be able to query the array.
所长龙开发者_如何学Go 2021-01-21 22:50 我是试出来的谢晓雯 2021-01-21 23:01 开发者_如何学JAVA
Let\'s use as example: class AccountDAO { create(){..} read(){..} 开发者_运维问答update(){..} delete() {..}
I\'m working on a RESTful application for a project that is using SproutCore on the front end. My question is really just what is the most effective way to grab data from a model with other related mo
I am aware of factory and abstract factory methods, but I want to create a DAO factory pattern in Java.
I have some beans that need to use another bean that must be loaded from database. I use Hibernate and have a DAO annotated with @Repository.
I know that thi开发者_运维技巧s has been discused before but i cant find an answer.. My problem is that i want to implement DAO pattern in a non relational database...
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