The Java docs for Logger indicate that the logger name should be based on the class name. Google Guice handles this in BinderImpl.java where it does the following:
return member == null
? Logger.getAnonymousLogger()
: Logger.getLogger(member.getDeclaringClass().getName());
However, since it's getting a new logger for each...
What is a good way to get a reference to "singleton" objects in Objective-C? Note, specifically, I am not referring to the singleton pattern, I am referring to objects of which there are normally only one instance. This specifically applies to application models. For example, in a cooking app, I would like a class (RecipeModel) that can ...
Right now I'm having a problem injecting a entityFactoryManager into my jpadaosupport extended class.
My configuration is below:
<bean id="productDao" class="springapp.repository.JdbcProductDao">
<property name="entityManagerFactory" ref="entityManagerFactory" />
</bean>
The above configuration for this bean works fine however w...
Consider the following class DialgBean.java, which defines the properties of a dialog box on a web page. Below is the class and its bean definition
public class DialogBean{
private int height;
public void setHeight(int height)
...
}
<bean id="dialogBean" class="org.springhelp.DialogBean">
<property name="height" value="${dial...
Spring does DI and creates objects so that your program need not worry of creating objects.
But the question here is when an instance of injected object is created. Is it when the main program makes use of the instance or at the time an instance of main program is created.
...
I have a data structure representing a CSV file containing thousands of config settings. The structure is a Java class file with instance variables to represent the records in the file (ie: a HashMap) and the state of the file (errors, warnings, etc).
These classes are not created by Spring as they have state. I would like the class t...
I have a medium sized asp.net MVC app. It consumes a service layer that handles all the repository use, calling domain services, etc. My controller actions are very slim -- they basically call a service class, get a response and show that respose. Most components are interface based with some poor man's DI. The app is growing, needs ...
Scenario:
In my application (which utilises an rich domain model, where the logic is in the model, not in the services) I have users. I create new users with a service
User newUser = userService.createNewUser("Hans Dampf");
or get them from the database
User oldUser = userDao.findByName("Hans Dampf");
Because in every call into my...
This question is a result of a post by Jeffery Palermo on how to get around branched code and dependency injection http://jeffreypalermo.com/blog/constructor-over-injection-anti-pattern/
In his post, Jeffery has a class (public class OrderProcessor : IOrderProcessor) that takes 2 interfaces on the constructor. One is a validator IOrder...
I have some sample code which is using factories. I'd like to clean up the code by removing the factories and use Guice instead. I attempted to do this but I hit a small roadblock. I am really new to Guice, so I am hoping someone can help me out here.
Existing client code (Using factories):
public class MailClient {
public static ...
I was reading about DI thoroughly, and it seems interesting. So far, I'm totally living without it.
All the examples i saw are related to JNDI and how DI helps you being more flexible.
What is real life applications/problems that you solved with DI that will be hard to solve in other ways?
UPDATE
All the answers till now are educat...
My project structure is like CodeCampServer structure, etc. UI.dll, Core.dll and DependencyResolution.dll that have a dependecy of both of UI.dll and core.dll.
In the web.config I use a HttpModules from the DependencyResolution.dll, to instantiate all the dependencies, and therefore I can't run this application in VS2008 because the UI....
I know this is somewhat of a dead horse, but I'm not finding a satisfactory answer. First let me say, I am NOT dealing with a web app, otherwise managing NH Session is quite simple.
I have a bunch of enterprise components. Those components have their own service layer that will act on multiple repositories. For example:
Claim Compo...
I have a method that I'm trying to unit test that uses a query object, I would like to Stub this query object for my unit tests. This query object does has a dependency (UnitOfWork). I am using a IOC/DI container to instantiate my objects in the app. However I DO NOT want to use the container while TDD. The way I see it is I have 2 optio...
Suppose I want to define an interface, FooProvider, and then have multiple implementations of this interface available at runtime (maybe as individual services). In my controller class, I'd like to be able to have all known implementations of this interface injected at runtime so that I can expose them as "options" to the user for gettin...
I have been handed a wsdl file + a number of xsd type definition files - the service I need to code against is not ready yet and I need to put together a fake service (so called a stub or mock) in order to be ready when the real thing comes along.
My question is - once I get the interface I need to implement from the wsdl, how do I setu...
I have a InventoryController that gets a IInventoryRepository inyected, however my needs have changed, and now one of the controllers methods also needs to use another 2 repositories, ILoansRepository (to see the get info about loaned inventory items) and another one, where some stats and extra info are found.
The way it works is that a...
I would like to use Ninject in my WinForms application. I cannot figure out how to use it for my user controls. Sometimes they rely on the services I want to configure through the DI framework. These controls need to be manageable through the designer (thus need default constructors).
So, is there a way to inject dependencies into pr...
Possible Duplicate:
Help with Dependency Injection in .NET
Hi friends,
It is a couple of days that I've been seeing Dependency Injection in some websites !
Would you please say :
What is it ?
What's the benefits of using it ?
Thanks a lot.
...
I've been looking around, in vain, for some information on using a dependency injection container in Android development. Specifically, how to override the creation of an Activity in a way that will also work when coming back from being killed (for whatever reason).
Has anyone got any experience in this area?
...