Apache Lucene is the leading open source search engine and is used in many businesses, projects and products. Lucene has sub-projects which provide additional functionality such as the Nutch web crawler and the Solr search service. This article gives an introduction to Lucene, a tutorial on three Grails Lucene plugins and a comparison between them.
This article originally appeared in the September 2011 edition of GroovyMag.
Browser Push is the collective term for techniques that allow a server to send asynchronous data updates in near real time to a browser. This article provides an overview of browser push and then provides a sample of Grails usage by extending the example project from the ‘Using JMS in Grails‘ article in the June 2011 edition to send event-driven updates to the browser.
This article originally appeared in the July 2011 edition of GroovyMag.
The Java Message Service (JMS) API is one of the cornerstones of the Java Enterprise Edition that allows applications to reliably communicate using asynchronous messages sent via a message broker. This article provides an introduction to JMS, the JMS support in the Spring Framework and then provides practical examples of usage within Grails using the JMS plugin.
This article originally appeared in the June 2011 edition of GroovyMag.
