By Burt Beckwith
ISBN-10: 1449323936
ISBN-13: 9781449323936
Dig deeper into Grails structure and detect how this software framework works its magic. Written by means of a center developer at the Grails workforce, this functional advisor takes you backstage to bare the interior workings of its 2.0 characteristic set. You'll examine top practices for development and deploying Grails functions, together with functionality, protection, scaling, tuning, debugging, and monitoring.
Understand how Grails integrates with Groovy, Spring, Hibernate, and different JVM applied sciences, and how you can create and use plugins to reinforce your application's performance. when you know the way Grails provides habit via conference, you could resolve difficulties extra simply and advance purposes extra intuitively.
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Build powerful, high-performance telephony platforms utilizing FreeSWITCH.
Overview
• methods to set up and configure an entire telephony method of your personal, no matter if this can be your first time utilizing FreeSWITCH.
• In-depth discussions of vital options just like the dialplan, consumer listing, NAT dealing with, and the robust FreeSWITCH occasion socket.
• most sensible practices and professional guidance from the FreeSWITCH specialists, together with the author of FreeSWITCH, Anthony Minessale.
In element
FreeSWITCH is an open-source telephony platform designed to facilitate the production of voice and chat-driven items, scaling from a soft-phone to a PBX or even as much as an enterprise-class soft-switch. it's constantly intriguing to layout and construct your personal telephony process to fit your wishes, however the activity is time-consuming and consists of loads of technical skill.
FreeSWITCH 1. 2 involves your rescue that will help you arrange a telephony approach quick and securely utilizing FreeSWITCH. it truly is wealthy with sensible examples and may offer you all the info and abilities had to enforce your personal PBX system.
You will commence with an in depth description of the FreeSWITCH approach structure. Thereafter you are going to obtain step by step directions on easy methods to organize simple and complicated positive aspects in your telephony platform.
The booklet starts off by means of introducing the structure and workings of FreeSWITCH earlier than detailing the best way to plan a mobile process after which strikes directly to the deploy, configuration, and administration of a feature-packed PBX. you are going to know about holding a person listing, XML dial plan, and complex dial plan thoughts, name routing, and the tremendous strong occasion Socket. you'll eventually know about the net neighborhood and heritage of FreeSWITCH.
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This booklet is filled with useful code examples aimed toward a newbie to ease his or her studying curve.
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Extra resources for Programming Grails: Best Practices for Experienced Grails Developers
Example text
Groovy’s Contributions in the War Against Verbosity One of Groovy’s most popular features is its reduced verbosity compared to Java. It’s been said that Groovy is a “low ceremony” language. If you’re new to Groovy, you may not yet appreciate how much less code it takes to get things done compared to Java, especially if you use your IDE’s code-generation functions. But, once you get used to Groovy, you might find that you don’t even need to use an IDE anymore, except perhaps when you want to attach a debugger to work on a particularly gnarly bug.
Anyone can contribute, from simply reporting an issue or requesting a feature in the bug tracker, to contributing fixes and enhancements through pull requests and patches. org website is open source, and it is also hosted at GitHub. Installing Grails Getting started using Grails is as simple as using Groovy. There are a few different ways to do this. The most direct is to download the latest ZIP distribution, unpack the ZIP file to the location, set the GRAILS_HOME environment variable to point to your desired location, and add the $GRAILS_HOME/bin (or %GRAILS_HOME%\bin in Windows) directory to the PATH environment variable.
Constructors It’s rare to see constructors in Groovy classes. This is because the Groovy compiler adds a constructor that takes a Map and sets field values to map values where the key corre‐ sponds to a field name. This gives you named parameters for this constructor syntax, so it’s both more convenient and clearer which values are which. For example, a simple POGO like this: class Person { String firstName String initial String lastName Integer age } can be constructed by setting some or all of the field values: def author = new Person(firstName: 'Hunter', initial: 's', lastName: 'Thompson') def illustrator = new Person(firstName: 'Ralph', lastName: 'Steadman', age: 76) def someoneElse = new Person() In the examples, I’m taking advantage of Groovy letting me omit the [ and ] map characters, because it makes the invocations cleaner.
Programming Grails: Best Practices for Experienced Grails Developers by Burt Beckwith
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