Home » Author Archives: Maciej Walkowiak

Author Archives: Maciej Walkowiak

Code faster with Intellij IDEA live templates

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Intellij IDEA – in my opinion the most productive IDE for Java – comes with bunch of features helping getting rid of writing repetitive code – which is a everyday business no matter what language you use. One of them is live templates. Live templates contain predefined code fragments. You can use them to insert frequently-used or custom code constructs ...

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Spring Boot – foundation for modern Java application

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Spring Boot is relatively new project from Spring.io. Its aim is to simplify creating new Spring Framework based projects and unify their configuration by applying some conventions. This approach convention over configuration is already successfully applied in most of so called modern web frameworks like Ruby on Rails, Django or Play! Framework. On the official website we can find primary ...

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Integration tests with Maven 3, Failsafe and Cargo plugin

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Unit testing is available in Maven out of the box. Because of that very often its used for integration tests as well. Major disadvantage of this is that integration tests can take much more time to execute and because no one likes to wait long time every build – tests are just skipped with -Dmaven.test.skip=true flag In order to execute ...

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JBoss Drools unit testing with junit-drools

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Recently I’ve been working with a project heavily using JBoss Drools. I am not Drools expert – I am not also very convinced to this framework, or maybe only to particular use case in this project – and I found it quite difficult to write simple, maintainable unit tests for Drools based business rules. That’s how junit-drools was born – ...

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Spring Data MongoDB cascade save on DBRef objects

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Spring Data MongoDB by default does not support cascade operations on referenced objects with @DBRef annotations as reference says: The mapping framework does not handle cascading saves. If you change an Account object that is referenced by a Person object, you must save the Account object separately. Calling save on the Person object will not automatically save the Account objects ...

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Auditing Entities in Spring Data MongoDB

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Spring Data MongoDB 1.2.0 silently introduced new feature: support for basic auditing. Because you will not find too much about it in official reference in this post I will show what benefits does it bring, how to configure Spring for auditing and how to annotate your documents to make them auditable Auditing let you declaratively tell Spring to store: date ...

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Auditing entities in Spring Data MongoDB

mongodb-logo

Spring Data MongoDB 1.2.0 silently introduced new feature: support for basic auditing. Because you will not find too much about it in official reference in this post I will show what benefits does it bring, how to configure Spring for auditing and how to annotate your documents to make them auditable.Auditing let you declaratively tell Spring to store: date when ...

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Java code generation with JAnnocessor

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In this article I will show you how to generate code with JAnnocessor framework created by Nikolche Mihajlovski. First time I met JAnnocessor on GeeCON 2012 conference during Nikolche’s speech: “Innovative and Pragmatic Java Source Code Generation” (slides). Afterwards I used it successfully in one of my projects. There are almost no resources about this framework so I hope my ...

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Java talking to iOS: Java objects to Apple plist serialization

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I am happy to announce my first open source project java-plist-serializer that can help you with integrating Java and especially Spring based applications with iOS applications.   Background I am working on project that has Java webapp as a backend and clients are iOS devices. Recently I’ve received task to create Web Service that returns plist – Property List data ...

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Sorting Spring Data MongoDB collections using @OrderBy

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This is already third post about tuning and enhancing Spring Data MongoDB capabilities. This time I found that I miss one JPA feature – @OrderBy annotation. @OrderBy specifies the ordering of the elements of a collection valued association at the point when the association is retrieved. In this article I will show how to implement sorting with @OrderBy annotation with ...

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