Tag Archives: javaee

kafEEne #1: Websocket & Kafka

Say hello  to kafEEne ! A blog series which will show Kafka and Java EE examples This one is about Kafka + (Java EE) Websocket API. Code is on Github and you can refer to the README on how to get this … Continue reading

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Redis CDI example….

Here is an example of a CDI producer for Redis using the Jedis (Java) client for Redis. Check out the project README to get this up and running…. Below is a quick summary Use of CDI Qualifier Two types of … Continue reading

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Quick tip: managing Stateful EJBs in WebSocket endpoints

@Stateful EJBs can be injected in WebSocket endpoints (supported by the WebSocket specification). There is an one-to-one association between the WebSocket client & endpoint (which is by default) as well as the injected Stateful EJB instance, which makes it an good candidate for storing … Continue reading

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New release: Java WebSocket API handbook

Happy to announce the initial release of the Java WebSocket API handbook. This is still a work in progress but moving at a strady pace. You can read this on Gitbook or grab your PDF/ePub/Mobi version from Leanpub   Here is … Continue reading

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(eBook) ‘REST assured with JAX-RS’ now available on Gitbook

    You can now read REST assured with JAX-RS online on Gitbook, or grab the PDF from Leanpub.. Happy reading!

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Using Asynchronous timeouts in the Java WebSocket API

Sending messages in an asynchronous manner avoid blocking the sending thread. This is a great where your solution needs to scale in order to support a large number of clients. But there is a limit on how long can we … Continue reading

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Dynamic provider registration in JAX-RS

The DynamicFeature class in JAX-RS (2.0) allows you to register providers Dynamically i.e. without any pre-defined binding strategy (e.g. annotations) Based on criteria i.e. to help decide which provider to bind to which JAX-RS resource(s) The JAX-RS implementation detects and executes … Continue reading

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WebSocket and CDI integration.. again..

In one of my older blog posts, I had written about what does not work as far as WebSocket and CDI integration within the Java EE Platform 😉 This one talks about what’s possible with CDI in terms of Dependency Injection Interceptors … Continue reading

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Configuring WebSocket server endpoints

WebSocket Server endpoint configuration Before we dive into the details, here is a quick snapshot of the related interfaces Class/Interface Description ServerEndpointConfig A derivative of EndpointConfig interface which is specific for configuration related to server side WebSocket endpoints ServerEndpointConfig.Configurator An … Continue reading

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Difference b/w Cache Writer and Cache entry listener

In one of my previous blogs, I gave an overview of Cache Loader+Writer as well as Cache entry listeners. The difference b/w a Cache Loader and Cache create/update entry listener is obvious and their roles are clearly differentiated a loader pulls the … Continue reading

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