Home » Tag Archives: Google Guice

Tag Archives: Google Guice

Disambiguating between instances with Google Guice

java-interview-questions-answers

Google guice provides a neat way to select a target implementation if there are multiple implementations of an interface. My samples are based on an excellent article by Josh Long(@starbuxman) on a similar mechanism that Spring provides. So, consider an interface called MarketPlace having two implementations, an AndroidMarketPlace and AppleMarketPlace:           interface MarketPlace { } class ...

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Learning Netflix Governator – Part 1

java-interview-questions-answers

I have been working with Netflix Governator for the last few days and got to try out a small sample using Governator as a way to compare it with the dependency injection feature set of Spring Framework. The following is by no means comprehensive, I will expand on this in the next series of posts. So Governator for the uninitiated ...

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Lightweight Web Application Framework: PrimeFaces (JSF) + Guice + MyBatis (Part 2)

In this part, I will continue to demonstrate the integration of JSF, Guice and MyBatis. DBCP connection pool and MYSQL database is used in persistence layer. Take a look at Part 1. Integrate Google Guice with MyBatis In the previous post, we have created a ServletContextListener. Now, we just bind the BasicDataSourceProvider and JdbcTransactionFactory in the contextInitialized method. GuiceContextListener.java package ...

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Lightweight Web Application: PrimeFaces (JSF) + Guice + MyBatis (Part 1)

Recently, my friend asks me how to build a lightweight java web application. Many Java web developer would choose Spring and hibernate to build a traditional web application. However, it may not be lightweight enough. I suggested him try to use Guice and MyBatis to build the application framework. Although Spring is more feature-riched than Guice, I admitted that Guice ...

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Spring vs Guice: The one critical difference that matters

Spring objects are recognized based on their names It doesn’t matter whether you use XML or Java config, a Spring scope is roughly like a Map<String, Object> structure. This means that you cannot have two objects with the same name. Why is this a bad thing? If you have a large application with lots of @Configuration classes or XML files, ...

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Rich Domain Model with Guice

The anaemic domain model is a really common anti-pattern. In the world of ORM & DI frameworks we naturally seem to find ourselves with an ORM-managed “domain” that is all data and no behaviour; coupled with helper classes that are all behaviour and no data, helpfully injected in by our DI framework. In this article I’ll look at one possible ...

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