Resource-Oriented Architectures : REST I

Brian Sletten

Friday 8:45 AM - Meadowbrook

The first in a series of talks that are part of an arc covering next-generation information-oriented, flexible, scalable architectures. The ideas presented apply to both external and internal-facing systems.

The REpresentational State Transfer (REST) architectural style has emerged as a winning strategy for building scalable, flexible, resilient systems that lead with an information focus. Far from being the simple "Web Services through URLs" idea many people have about them, REST-based systems require a new perspective, a fair amount of consideration and the discipline to look beyond simple point-to-point interactions.

The benefits are exciting and provide a gateway to a whole new world of information technology. This first talk will be an introductory session covering the basics of the REST architectural style.

Effective Spring

Craig Walls

Friday 8:45 AM - Salon A/B

After 9 years and several significant releases, Spring has gone a long way from challenging the then-current Java standards to becoming the de facto enterprise standard itself. Although the Spring programming model continues to evolve, it still maintains backward compatibility with many of its earlier features and paradigms. Consequently, there's often more than one way to do anything in Spring. How do you know which way is the right way?

In this session, we'll explore several ways that Spring has changed over the years and look at the best approaches when working with the latest versions of Spring.

Getting started with NoSQL

Peter Bell

Friday 8:45 AM - Salon C

You've heard about NoSQL data stores, but how and where should you introduce them into your projects?

This practical session will run you through case studies showing how companies have introduced key:value, document, column and graph databases to incrementally solve real world problems with their enterprise projects.

AMQP: From Concept To Code

Mark Richards

Friday 8:45 AM - Westwood

Advanced Message Queuing Protocol (AMQP) is a new way of looking at messaging that is quickly gaining in popularity and use, particularly in the financial services industry. Unlike JMS, which defines a standard API across platforms, AMQP defines a standard wire-level protocol across languages and platforms, finally making true cross-platform messaging a reality. In this session I will start by describing exactly what AMQP is and what problems it specifically solves (that JMS can't!). I will then describe the basic architecture and how AMQP routes messages, and then, through live interactive coding, demonstrate how to build a simple producer and consumer using RabbitMQ to send and receive AMQP messages. We will also take a brief look at other aspects of AMQP such as performance and how to guarantee that the message reaches a consumer.

Agenda: - What is AMQP and what problems does it solve? - How AMQP works: exchanges, bindings, queues, and routing - AMQP exchange types - AMQP message structure - AMQP Performance characteristics - Sending and receiving messages using RabbitMQ - How to guarantee message delivery in AMQP

Getting Agile Right!

Ken Sipe

Friday 8:45 AM - Bellerive

Whether you are just getting started, or you?ve made an attempt and well? it could be better? a lot better, this session is for you. Ken has been working on Agile projects as a coach and mentor for a number of years. Come discover the common reasons teams fail to get it right. Bring your own challenges and lets discuss. This is set to be an engaging and illuminating discussion.

This can be a dynamic discussion where challenges facing attendees may have us to focus on some areas and tips of agile development. We will certainly talk about how team or management choices to deviate from core agile practices add risk to a project with suggestions on how to resolve many of these challenges.

Resource-Oriented Architectures : REST II

Brian Sletten

Friday 10:45 AM - Meadowbrook

The second in a series of talks that are part of an arc covering next-generation information-oriented, flexible, scalable architectures. The ideas presented apply to both external and internal-facing systems.

People already familiar with REST (or who have attended the first session) will be walked through the deeper topics of building Level 3 Hypermedia-based RESTful systems, security, content negotiation, etc.

Complexity of Complexity

Ken Sipe

Friday 10:45 AM - Bellerive

Of all the non-functional requirements of software development, complexity receives the least attention and seems to be the most important from a long term standard point. This talk will look at some of forces that drive complexity at the code level and at a system level and their impact. We will discuss what causes us to over look complexity, how our perception of it changes over time and what we can do about it?

In this session we will break down the meaning of complexity and simplicity and measure the application of those means against the common software development dogma. Looking at common development trends and pressures, we'll discuss where simplify does and doesn't help. We will examine areas of development which at first glance seem to be simple (such as the creation of an equals method in Java), that end up being difficult or impossible based on normal constraints. We will example the drivers of complexity with some discussion on what you can do about it. This session will finish with a discussion around several challenges to high scale software architectures and how to keep it simple.

Understanding Enterprise Architecture

Mark Richards

Friday 10:45 AM - Westwood

Enterprise Architecture (EA) is one of the most misunderstood terms in our industry. Ask 10 people what EA is and you will get 10 different answers. To better understand what EA is and how it impacts your company (and you!) we will go back in time to maritime Britain in the late 1700's. Through exercises in designing a fleet of war ships and making decisions about what to do with the fleet you will understand the various approaches, directions, and implications of EA and how necessary EA is to achieve any company goal. So put your admirals hat on and climb aboard for a maritime adventure you won't forget!

Agenda:

• Introduction: What is Enterprise Architecture?
• EA approaches (Designing the fleet)
• EA direction (Deploying the fleet)
• Enterprise architecture references
• Summary and QA

NoSQL data modeling with Mongo and Neo4j

Peter Bell

Friday 10:45 AM - Salon C

With NoSQL data stores you need to completely rethink how to model your data.

In this session we'll look at the very different approaches to data modeling required for MongoDB and Neo4j.

Developing Next-Generation Applications

Craig Walls

Friday 10:45 AM - Salon A/B

For a long while, we've built applications pretty much the same way. Regardless of the frameworks (or even languages and platforms) employed, we've packaged up our web application, deployed it to a server somewhere, and asked our users to point their web browser at it.

But now we're seeing a shift in not only how applications are deployed, but also in how they're consumed. The cost and hassle of setting up dedicated servers is driving more applications into the cloud. Meanwhile, our users are on-the-go more than ever, consuming applications from their mobile devices more often than a traditional desktop browser. And even the desktop user is expecting a more interactive experience than is offered by simple page-based HTML sites.

With this shift comes new programming models and frameworks. It also involves a shift in how we think about our application design. Standing up a simple HTML-based application is no longer good enough.

In this session, we'll discuss what the next generation of applications looks like, exploring such things as the mobile web and cloud computing. We'll also dig into some of the technologies and practices such as REST, OAuth, and JavaScript microframeworks that enable us to move forward.

Spring Data

Craig Walls

Friday 1:15 PM - Salon A/B

This session starts with a high-level look at all that the Spring Data project has to offer. Then we'll dive deeper into a few select Spring Data modules, including Spring Data Neo4j, Spring Data MongoDB, Spring Data Redis, Spring Data JPA, and Spring Data JDBC Extensions

In recent years, there has been a renewed interest in how data is stored. Although RDBMS has long been treated as a one-size-fits-all solution for data storage, a new breed of datastores has arrived to offer a best-fit solution. Key-value stores, column stores, document stores, graph databases, as well as the traditional relational database are options to consider.

With these new data storage options come new and different ways of interacting with data. Even though all of these data storage options offer Java APIs, they are widely different from each other and the learning curve can be quite steep. Even if you understand the concepts and benefits of each database type, there's still the huge barrier of understanding how to work with each database's individual API.

Spring Data is a project that makes it easier to build Spring-powered applications that use new data, offering a reasonably consistent programming model regardless of which type of database you choose. In addition to supporting the new "NoSQL" databases such as document and graph databases, Spring Data also greatly simplifies working with RDBMS-oriented datastores using JPA.

The Lean Startup - for Enterprise Software Developers

Peter Bell

Friday 1:15 PM - Salon C

Intuit and even the US government want to be "lean startups".

Learn how businesses of any size can improve the effectiveness and efficiency of their software development processes using lean startup principles like Minimum Viable Product, Validated Learning and Metrics Driven Development.

Continuous Delivery Best Practices

Ken Sipe

Friday 1:15 PM - Bellerive

There is a new ?movement? in software development circles called DevOps. It is about the automation of development best practices as well as the automation of the deployment pipeline. Answer this question, ?How long does it take your organization or team to push 1 line code of change into production?? That?s what this session is all about.

See what LinkedIn is doing? a company who is pushing production releases multiple times a day. Their approach may not be best for you, but we can learn from it. This session will look at all aspects of automating the delivery pipeline with a focus on ?Continuous Delivery?, a term coined in the Agile Manifesto.

The Art of Problem Solving

Mark Richards

Friday 1:15 PM - Westwood

I commonly think of those of us in the IT industry as problem solvers. Whether developer, designer, or architect, we are all presented with problems and work to find a way to solve them, usually through technology. In my opinion this is what makes this industry so much fun. Let's face it - we all love challenges. Sometimes, however, the problems we have to solve are hard - really hard. So how do you go about solving really hard problems? That's what this session is about - Heuristics, the art of problem solving. In this session you will learn how to approach problems and also learn some the common techniques for solving them effectively. So put on your thinking cap and get ready to solve some easy, fun, and hard problems.

Agenda:

• the checklist
• visual representations
• you know what happens when you assume...
• you gotta start somewhere
• hey! keep it clean!
• working backwards
• we should take the trail to the left...I think...
• the world is flat

Resource-Oriented Architectures : REST III

Brian Sletten

Friday 1:15 PM - Meadowbrook

The third in a series of talks that are part of an arc covering next-generation information-oriented, flexible, scalable architectures. The ideas presented apply to both external and internal-facing systems.

The move to a good REST API yields an explosive combination of options due to content-negotiation and arbitrary workflows. At the same time, the uniform interface you project (representations, how you respond to verbs, response codes, etc.) becomes your contract with your clients. The API itself becomes a completely transportable, reusable bit of organizational knowledge when done well. Testing it sufficiently will give you a safety net but may drive you crazy unless you do it right. We will walk through the use of Behavior-Driven Development (BDD) to test these kinds of APIs.

We will highlight the problems of sufficiently testing REST APIs while providing a rich and relatively straight-forward solution to the problem. We will use a Behavior-Driven Development (BDD) tool like Cucumber to establish reusable steps and comprehensive, but lightweight testing strategies for testing REST APIs.

This talk will not be an introduction to REST. If you have come to the REST I or REST II talk, or have a good understanding, it should be very accessible.

Resource-Oriented Architectures : RDF/SPARQL

Brian Sletten

Friday 3:00 PM - Bellerive

The fourth of a series of talks that are part of an arc covering next-generation information-oriented, flexible, scalable architectures. The ideas presented apply to both external and internal-facing systems.

The Web of Documents we are so familiar with is being extended with the technologies of the Semantic Web. Information will be freed from its containers and connected regardless of where it comes from. Building on the concepts of REST services and the Web Architecture, we will introduce the Resource Description Framework (RDF) as the basis of a new collection of tools for information sharing and integration. Once the information is woven together, we will want to query it and produce new information resources with technologies like the SPARQL query language.

People already familiar with REST and the Web (or who have attended the REST sessions) will be given both conceptual and technical examples of how and why these technologies are laying the foundation of future information systems.

Building Web Applications with Spring MVC

Craig Walls

Friday 3:00 PM - Salon C

In this session, we'll start with the basics of Spring MVC development, focusing on how to leverage the new annotation-driven model. With that foundation set, we'll continue by exploring the new features in Spring 3.0 and 3.1 to build RESTful web applications that can serve both human-facing content as well as resources that are consumed by machine clients.

From the very beginning, Spring has included Spring MVC, a web framework built around the Spring Framework. Originally based on a rich hierarchy of controller classes, Spring MVC served developers well, but began to look a little long in the tooth compared to other web frameworks.

Starting with Spring 2.5, Spring MVC took a major evolutionary step, breaking away from the rigid controller class hierarchy model to embrace a more flexible annotation-driven model. Often referred to as Spring @MVC, this new model has continued to improve with Spring 3.0 and Spring 3.1.

Agile Recipes

Peter Bell

Friday 3:00 PM - Westwood

You don't need to "do scrum" or "implement lean" to be agile.

This pragmatic session shows how specific agile software development techniques can be adopted individually to solve particular problems. If you've wondered how to get started with agile or are not getting the benefits you'd expected from agile, this session will show you a way of thinking to make agile work for your organization - along with plenty of proven patterns for improving the effectiveness of your agile initiatives.

Know Your Enemy: Understanding AntiPatterns

Mark Richards

Friday 3:00 PM - Salon A/B

The ancient Chinese warrior Sun Tzu taught his men to "know your enemy" before going into battle. For us, the same thing is knowing and understanding anti-patterns - things that we repeatably do that produce negative results. Anti-patterns are used by developers, architects, and managers every day, and are one of the main factors that prevent progress and success. In this session we will look at some of the more common and significant software development anti-patterns. Through coding and design examples, you will see how these anti-patterns emerge, how to recognize when the antipattern is being used, and most importantly, how to avoid them. Although most of the coding examples will be in Java, this is a technology-agnostic session. Remember, like motorcycles, anti-patterns are everywhere - so be careful out there!

Agenda

• Know Your Enemy: An Introduction to AntiPatterns
• Know Yourself: Human Traits That Cause AntiPatterns
• A Tour of the Dark Side: Common Software Development AntiPatterns

For each anti-pattern covered in this session we will look at the symptoms of the anti-pattern, what the effects are, and some techniques on how to avoid the anti-pattern.

Groovy Power Tools

Ken Sipe

Friday 3:00 PM - Meadowbrook

Groovy has been around for some time and is generally recognized as a highly productive object-oriented language with a tight association with Java. Groovy seems to be going through a second wave of popularity with a more diverse repertoire of benefits, including building, deploying and testing, in addition to rapid web development. The fastest growth of productivity tools are all powered by Groovy. Discover the Groovy Truth!

This session will start with a short introduction to Groovy and will walk through a number of groovy tools that can increase the speed of delivery of any Java software development shop. We will review the following Groovy Power Tools: - Spock - the best unit testing and mocking tool available to a Java developer leveraging the value of a testing DSL - Gradle - the fasting growing build tool for compiling and building Java-eco system projects. - Geb - A groovy DSL on top of Selenium for driving web testing - Glu - The groovy way to deploy and manage Java deployments in production - Grails - The groovy way to develop a web application against a relational database

FDD: Doing Agile in a Non-Agile World

Mark Richards

Friday 4:45 PM - Westwood

Are you in one of those situations where you want to use an agile methodology such as Scrum or Kanban but find yourself stuck in a company with a non-agile mentality? Or, are you using Scrum or Kanban and it simply isn't working? If so, this session is for you. In this session we will explore Feature Driven Development (FDD) in depth, with a particular focus on using it to make non-agile projects more agile. FDD is a highly iterative agile-like methodology that can be used to augment or replace traditional waterfall based approaches, particularly for those projects using remote or offshore teams. In this session you will learn what FDD is, how it is like agile, how it is not like agile, and how (and why) to integrate it with your traditional waterfall-based methodology (or replace your current agile methodology) to become more agile-like.

Agenda:

• Introduction: Is this your world?
• FDD overview - structure and approach
• The good, the bad, the ugly: Analyzing Agile and Waterfall Approaches
• How FDD fits into the picture
• When not to use FDD

Resource-Oriented Architectures : RDFa

Brian Sletten

Friday 4:45 PM - Bellerive

The fifth in a series of talks that are part of an arc covering next-generation information-oriented, flexible, scalable architectures. The ideas presented apply to both external and internal-facing systems.

Once we have a flexible and extensible data model like RDF, we will want to find ways to weave it into our documents to make them easier to organize, find and extract value from on the Web. This talk will highlight techniques for adopting RDFa but will also motivate attendees to dig deeper by showing them how it is already being used by the biggest names on the Web. Improve your search results and allow your customers to leverage relevant information for their own purposes.

You understand how important it is to be on the Web. Come learn how important it is to be on the Web of Data.

Professional Javascript development for the Java developer

Peter Bell

Friday 4:45 PM - Salon A/B

Like it or not, with application servers like node.js and increasingly rich client MVC frameworks like backbone.js, Javascript is in your future.

In this session we'll look deeply at the fundamental strengths and weaknesses of the language and how to become a javascript professional. We'll include information on using Jasmine for testing your Javascript.

MongoDB: Scaling Web Applications

Ken Sipe

Friday 4:45 PM - Meadowbrook

Google ?MongoDB is Web Scale? and prepare to laugh your tail off. With such satire, it easy to pass off MongoDB as a passing joke? but that would be a mistake. The humor is in the fact there seems to be no end to those who parrot the MongoDB benefits without a clue. This session is about getting a clue.

Get past the hype and hyperbole associated with NoSQL. This session will introduce MongoDB through live working sessions demonstrating the pros and cons of MongoDB development. The session will then focus on a recent short project focused on large scale. We?ll discuss database design to support high scale read access. Throughout this case study we will discuss the consequences of the MongoDB choice. The session will finish with a review of the production topology to support growth in scale.

Securing Spring

Craig Walls

Friday 4:45 PM - Salon C

In this session, I'll show you how to secure your Spring application with Spring Security 3.0. You'll see hot to declare both request-oriented and method-oriented security constraints. And you'll see how SpEL can make simple work of expressing complex security rules.

Although we may invite guests into our homes and give someone a ride in our car, we locks and alarms on our homes and our cars to keep uninvited and malicious visitors out. Similarly, we allow people to use the applications that we develop, but we probably want to control the access that they have.

Security is an important aspect of any application. And while we could program security rules into the web controllers and methods in our application, we'd find ourselves cluttering our business logic with repetitive security code. Security is a cross-cutting concern--begging to be handled with aspect-oriented techniques.

Spring Security is an authentication and access-control framework based on Spring that provides security aspects. With Spring Security, you can declare who is allowed to access your application and what they're allowed to see, keeping your application logic focused and uncluttered with security details.

The Elusive Truth and False Dichotomies in a Broken Reality

Ken Sipe

Friday 7:00 PM

"To say of what is that it is not, or of what is not that it is, is false, while to say of what is that it is, and of what is not that it is not, is true" -- Aristotle

This talk is a fun look at what is true, or what we think is true... how we know what we know or think we know and what it depends on. Through the evening we will learn about every day dichotomies that can lead to black and white thinking. We will use a dichotomous key to learn such things as; is a tomato a vegetable or a fruit? Is a carrot a vegetable or a fruit? As we reveal the truth, we will see how the perceived norms of the world are broken and in what way they are broken. With this new found knowledge we will discuss how to detect it and correct it. These are the foundational skills of the master craftsman... and that's the truth!

Effective Java Reloaded

Matt Stine

Saturday 8:15 AM - Bellerive

Even with the recent explosion in alternative languages for the JVM, the vast majority of us are still writing code in "Java the language" in order to put bread on the table. Proper craftsmanship demands that we write the best Java code that we can possibly write. Fortunately we have a guide in Joshua Bloch's Effective Java.

In his foreward to the first edition, Guy Steele writes about the importance of learning three aspects of any language: grammar, vocabulary, and idioms. Unfortunately many programmers stop learning after mastering the first two. Effective Java is your guide to understanding idiomatic Java programming.

Effective Java is organized into 78 standalone "items," all of which will be impossible to cover in one session. Instead I've chosen a subset of the most important techniques and practices that are commonly missed by today's Java programmers. You'll pick from a menu and decide where we'll head. Regardless of the path we take, you'll leave this session thoroughly equipped to write better Java code tomorrow!

Leading Technical Change

Nathaniel Schutta

Saturday 8:15 AM - Salon A/B

Technology changes, it's a fact of life. And while many developers are attracted to the challenge of change, many organizations do a particularly poor job of adapting. We've all worked on projects with, ahem, less than new technologies even though newer approaches would better serve the business. But how do we convince those holding the purse strings to pony up the cash when things are "working" today? At a personal, how do we keep up with the change in our industry?

This talk will explore ways to stay sharp as a software professional. We'll talk about how a technology radar can help you stay marketable (and enjoying your career) and how we can use the same technique to help our companies keep abreast of important changes in the technology landscape. Of course it isn't enough to just be aware, we have to drive change - but how? This talk will consider ways we can influence others and lead change in our organizations.

Node.js - the core

Mark Volkmann

Saturday 8:15 AM - Westwood

Node is a programming environment implemented on Google's V8 JavaScript engine. Node is well-suited for implementing server applications that are primarily I/O-bound rather than compute-bound. It supports a variety of network protocols such as HTTP and TCP.

While Node's primary programming language is JavaScript, applications can be extended with code written in C and C++. It has excellent performance characteristics, in part because its performance critical underpinnings are written in C/C++. Node enables web development where the same familiar programming language, JavaScript, is used for the client and server.

Making effective use of any programming environment requires a certain amount of familiarity with it's provided libraries. Imagine trying to write a Java application without knowing what is available in the java.* and javax.* packages. Rather than "packages", Node has "modules". Provided modules are referred to as the "core modules".

This talk begins with an overview of Node. It then provides a review of the core modules including examples of commonly used functions. Armed with this knowledge, you'll be ready to begin writing Node applications.

Scala: Demystifying The Funky Stuff

Daniel Hinojosa

Saturday 8:15 AM - Salon C

Scala is known for both its clarity in some cases, and its obscurity in others. Well, this presentation sticks with the obscurity. We will cover abstract types, the Predef, implicit conversions, creating infix types, singleton types, type variance, type bounds, type variance, partially applied functions vs. partial functions, type projections, and overcoming type erasure using Manifests.

This presentation is geared in at the programmer level and not at a scientific level, with no type theory or calculus. Basic knowledge of Scala is preferrable, though not required. Asking tough questions is mandatory.

Integration Architecture: Concepts and Patterns

Mark Richards

Saturday 8:15 AM - Meadowbrook

Very few applications stand alone anymore. Rather, they are combined together to form holistic systems that perform complex business functions. One of the big challenges when integrating applications is choosing the right integration styles and usage patterns. In this session we will explore various techniques and patterns for application integration, and look at what purpose and role open source integration hubs such as Camel and Mule play in the overall integration architecture space (and how to properly use them!). Through actual integration scenarios and live coding examples using Apache Camel you will learn which integration styles and patterns to use for your system and how open source integration hubs play an part in your overall integration strategy

Agenda:

• Introduction: the need for integration
• Integration Styles: pros, cons, and when to use
• Integration Hubs: why do we need them?
• Integration Hub Building Blocks
• Understanding the different roles of an integration hub
• Common Integration Patterns

Effective Java Reloaded, Part II: Hello, Project Coin!

Matt Stine

Saturday 10:00 AM - Bellerive

Even with the recent explosion in alternative languages for the JVM, the vast majority of us are still writing code in "Java the language" in order to put bread on the table. Proper craftsmanship demands that we write the best Java code that we can possibly write. Fortunately we have a guide in Joshua Bloch's Effective Java.

Effective Java is organized into 78 standalone "items," all of which will be impossible to cover in one session. Instead I've chosen a subset of the most important techniques and practices that are commonly missed by today's Java programmers.

*In Part II of this session, we'll cover those items we were unable to reach during Part I. We'll follow that up with a dive into the new features available in Java 7, describing new idioms for effective Java programming in the following areas:

• Strings in switch statements
• Enhanced syntax for numeric literals
• Improved exception handling
• ARM (automatic resource management) blocks
• Type inference for construction of parameterized types (the "diamond" operator)

JavaScript Libraries You Aren't Using...Yet

Nathaniel Schutta

Saturday 10:00 AM - Salon A/B

You're all over jQuery - you write plugins in your sleep - and before that, you were a Prototype ninja. Your team treats JavaScript like a first class citizen, you've even written more tests than Kent Beck. Is that all there is in the land of the JavaScript developer? Believe it or not, the JavaScript party hasn't stopped. What other libraries are out there? What do they offer? This talk will survey the field of modern JavaScript libraries getting you up to speed on what's new. We'll dive in just deep enough to whet your appetite on a wide variety of libraries such as Backbone, Underscore, Zepto and more.

You're all over jQuery - you write plugins in your sleep - and before that, you were a Prototype ninja. Your team treats JavaScript like a first class citizen, you've even written more tests than Kent Beck. Is that all there is in the land of the JavaScript developer? Believe it or not, the JavaScript party hasn't stopped. What other libraries are out there? What do they offer? This talk will survey the field of modern JavaScript libraries getting you up to speed on what's new. We'll dive in just deep enough to whet your appetite on a wide variety of libraries such as Backbone, Underscore, Zepto and more.

Why Agile Works

Peter Bell

Saturday 10:00 AM - Westwood

Learn why key agile practices work.

We'll look at the underlying theory from fields as diverse as queueing theory and computer networking to show why popular agile approaches work.

Domain Modeling Using Domain-Driven Design (DDD)

Paul Rayner

Saturday 10:00 AM - Meadowbrook

This presentation seeks to provide a solid introduction to the fundamentals of DDD. Learn why modeling a complex business domain in software is so advantageous to your business and ways in which your team can go about delivering software models to give your business a competitive edge.

The philosophy of domain-driven design (DDD) ? first described by Eric Evans in his book [of the same name ? is about placing our attention at the heart of the application, focusing on the complexity that is intrinsic to the business domain itself. We also distinguish the core domain (unique to the business) from the supporting sub-domains (typically generic in nature, such as money or time), and place appropriately more of our design efforts on the core.

Domain-driven design consists of a set of patterns for building enterprise applications from the domain model out. In your software career you may well have encountered many of these ideas already, especially if you are a seasoned developer in an OO language. But applying them together will allow you to build systems that genuinely meet the needs of the business.

The premise of domain-driven design is two-fold:

• For most software projects, the primary focus should be on the domain and domain logic; and
• Complex domain designs should be based on a model.

Domain-driven design is not a technology or a methodology. It is a way of thinking and a set of priorities, aimed at accelerating software projects that have to deal with complicated domains.

Note: Laptops are not required - there is no hands-on coding for this workshop.

Making Java Bearable with Guava

Daniel Hinojosa

Saturday 10:00 AM - Salon C

This presentation covers the Guava library developed by Google (http://code.google.com/p/guava-libraries/). Guava provides collection extensions to the Java Collection API and, along with this, a cornucopia of time-saving utilities that bring Java as close as possible to some of the more functional and dynamic language competitors like Scala, Ruby, and Clojure.

This presentation focuses on the following topics: how to make Predicates and Functions; how to use new collection constructs that make life easier, including MultiMap, BiMaps, and MultiSets; how to set up and use Guava preconditions; and how to create truly immutable collections, and more. All of this is done with Java.

Strategic Design Using DDD

Paul Rayner

Saturday 1:00 PM - Meadowbrook

Not every part of a software system will be well-designed. How do you know where to put the time and effort to refine the design, or refactor existing code? Learn how strategic Domain-Driven Design (DDD) patterns can show you how to know which parts of your system matter most to your business and how to focus your team's design efforts most effectively.

Context mapping and Core Domain are key concepts in DDD, providing valuable techniques and insights into where to focus your design attention, yet most developers have never heard of them. This session will introduce the tools of strategic DDD and show you how they can shine a light on your design challenges.

Enterprise Security API library from OWASP

Ken Sipe

Saturday 1:00 PM - Westwood

When it comes to cross cutting software concerns, we expect to have or build a common framework or utility to solve this problem. This concept is represented well in the Java world with the loj4j framework, which abstracts the concern of logging, where it logs and the management of logging. The one cross cutting software concern which seems for most applications to be piecemeal is that of security. Security concerns include certification generation, SSL, protection from SQL Injection, protection from XSS, user authorization and authentication. Each of these separate concerns tend to have there own standards and libraries and leaves it as an exercise for the development team to cobble together a solution which includes multiple needs.... until now... Enterprise Security API library from OWASP.

This session will look at a number of security concerns and how the ESAPI library provides a unified solution for security. This includes authorization, authentication of services, encoding, encrypting, and validation. This session will discuss a number of issues which can be solved through standardizing on the open source Enterprise Security API.

Rock SOLID Software

Matt Stine

Saturday 1:00 PM - Bellerive

Object-oriented programming was formally introduced in the 1970's with the advent of Smalltalk. C++ took it mainstream in the 1980's, and Java carried it to the next level in the 1990's. Unfortunately, if you examine the vast majority of Java codebases, what you'll find is a bunch of C-style structs (a.k.a. JavaBeans) and functions. As these codebases grow, a number of design smells can potentially crop up, which in turn cripple our ability to respond to change. We need SOLID principles that we can apply to keep our software clean and malleable.

Robert C. "Uncle Bob" Martin identified several design smells in his book Agile Software Development: Principles, Patterns, and Practices:

• Rigidity
• Fragility
• Immobility
• Viscosity
• Needless Complexity
• Needless Repetition
• Opacity

We can reverse and in fact avoid these techniques by following the principles of SOLID software design:

• Single Responsibility
• Open-Closed
• Liskov Substitution
• Interface Segregation
• Dependency Inversion

You'll leave this session equipped to ferret out design smells and apply these principles on your next project.

Groovy 101: Collections, closures, and the Groovy JDK

Kenneth Kousen

Saturday 1:00 PM - Salon C

Want to use Groovy but don't have time to read all of Groovy in Action? This talk gives you a whirlwind introduction to its capabilities, from basic data types, Groovy strings, POGOs, collections, Groovy SQL, and the Groovy JDK.

Learn the basics of Groovy through code examples, including both scripts and classes. A complete set of test cases is included, as well as a gradle build script to download everything you need and run all the tests.

Beyond jQuery

Nathaniel Schutta

Saturday 1:00 PM - Salon A/B

It's been ages since you copied random JavaScript off a nameless webpage and your JavaScript is every bit as elegant as any server side code. You know the ins and outs of jQuery and you've even built a plugin or three...but is that it? How do we build rich web applications without resorting to heavy weight proprietary components? How do we leverage HTML5 and everything it brings to the table? How do we craft elegant user experiences that integrate fully with the RESTful web services that are all the rage on the backend? How do we build apps that are at home on a 3.5 inch phone as they are on the 15 inch notebook? This talk goes beyond jQuery to explore new libraries like Backbone are bringing even more to the front end developer's toolbox.

It's been ages since you copied random JavaScript off a nameless webpage and your JavaScript is every bit as elegant as any server side code. You know the ins and outs of jQuery and you've even built a plugin or three...but is that it? How do we build rich web applications without resorting to heavy weight proprietary components? How do we leverage HTML5 and everything it brings to the table? How do we craft elegant user experiences that integrate fully with the RESTful web services that are all the rage on the backend? How do we build apps that are at home on a 3.5 inch phone as they are on the 15 inch notebook? This talk goes beyond jQuery to explore new libraries like Backbone are bringing even more to the front end developer's toolbox.

Code Archaeology

Matt Stine

Saturday 2:45 PM - Bellerive

Feature requests are steadily pouring in, but the team cannot respond to them. They are paralyzed. The codebase on which the company has "bet the business" is simply too hard to change. It's your job to clean up the mess and get things rolling again. Where do you begin? Your first task is to get the lay of the land by applying a family of techniques we'll call "Code Archaeology."

In this session we will learn how to systematically explore a codebase. We'll look at what tools are available to help us out, slinging some wicked shell-fu along the way. We'll look at "code islands" and "code bridges," and how to construct a "map of the code." We'll also examine the wisdom that thought leaders like Michael Feathers and Dave Thomas have leant to this subject.

Once we've gained a thorough understanding of what we have in front of us, we'll learn approaches for getting the system under test and refactoring so that we can start to pick up the pace and respond to user requirements without making a bigger mess. You'll leave this session well prepared to tackle the next "big ball of mud" that gets dumped on your desk.

Designing for Mobile

Nathaniel Schutta

Saturday 2:45 PM - Salon A/B

The word just came down from the VP - you need a mobile app and you need it yesterday. Wait, you've never built a mobile app...it's pretty much the same thing as you've built before just smaller right? Wrong. The mobile experience is different and far less forgiving. How do you design an application for touch? How does that differ from a mouse? Should you build a mobile app or a mobile web site? This talk will get you started on designing for a new, and exciting, platform. Whether that means iPhone, Android, Windows Phone or something else, you need a plan, this talk will help.

The word just came down from the VP - you need a mobile app and you need it yesterday. Wait, you've never built a mobile app...it's pretty much the same thing as you've built before just smaller right? Wrong. The mobile experience is different and far less forgiving. How do you design an application for touch? How does that differ from a mouse? Should you build a mobile app or a mobile web site? This talk will get you started on designing for a new, and exciting, platform. Whether that means iPhone, Android, Windows Phone or something else, you need a plan, this talk will help.

Groovy 201: Builders, metaprogramming, and AST Transformations

Kenneth Kousen

Saturday 2:45 PM - Salon C

Want to use Groovy but don't have time to read all of Groovy in Action? Building on the Groovy 101 talk, this presentation reviews features of Groovy that aren't based on simplifying Java. Topics include building and parsing XML and JSON, using the metaclass to enhance existing classes, and Abstract Syntax Tree Transformations like @Delegate, @Immutable, @Canonical, and more.

Learn the basics of Groovy through code examples, including both scripts and classes. A complete set of test cases is included, as well as a gradle build script to download everything you need and run all the tests.

Personal Agility with the Pomodoro Technique

Daniel Hinojosa

Saturday 2:45 PM - Westwood

Time is very precious and is often threatened by phone calls, emails, co-workers, bosses, and most of all, yourself. The Pomodoro Technique reigns in unfocused time and gives your work the urgency and the attention it needs, and it's done with a kitchen timer.

In this presentation we discuss how to set up, estimate time, log time, deal with interruptions, and integrate with Agile as a team. We discuss timer software and even some of the great health benefits of the Pomodoro Technique.

Using DDD Patterns for Supple Design

Paul Rayner

Saturday 2:45 PM - Meadowbrook

Come on a guided tour of how applying Domain-Driven Design (DDD) building block patterns can make your code cleaner, more expressive, and more amenable to change. We cover examples of DDD patterns such as entities, value objects, closure of operations and side-effect-free functions. We will focus particularly on how implementing value objects can lead to more supple design.

When good design really matters, DDD building block patterns enable your design to model the business domain you are working with more richly. They allow you to collaborate with domain experts to build deep, useful models of the domain in your code that solve difficult business problems with elegance and simplicity.

This is a highly interactive modeling session which walks through diagrams and code samples to demonstrate how the application of these patterns to modeling can make writing and reading coding fun again, while improving the effectiveness of the code you write. Come prepared to think, ask and answer questions, and learn how to write the best code where it matters most.

The Mobile App Smackdown: Native Apps vs. The Mobile Web

Nathaniel Schutta

Saturday 4:30 PM - Salon A/B

Mobile is the next big thing and your company needs to there. But what does there actually entail? Should you build a native app? On which platforms? Do you have the skills for that? What about the web? Can you deliver an awesome experience using nothing but a mobile web browser? This talk will help you navigate these treacherous waters. We'll discuss the pros and cons of the various approaches and give you a framework for choosing.

Mobile is the next big thing and your company needs to there. But what does there actually entail? Should you build a native app? On which platforms? Do you have the skills for that? What about the web? Can you deliver an awesome experience using nothing but a mobile web browser? This talk will help you navigate these treacherous waters. We'll discuss the pros and cons of the various approaches and give you a framework for choosing.

Spock: I Have Been, and Always Shall Be, Your Friendly Testing Framework

Kenneth Kousen

Saturday 4:30 PM - Salon C

The Spock framework brings simple, elegant testing to Java and Groovy projects. It integrates cleanly with JUnit, so Spock tests can be integrated as part of an existing test suite. Spock also includes an embedded mocking framework that can be used right away.

In this presentation, we'll look at several examples of Spock tests and review most of its capabilities, including mock objects and integration with Spring.

Measure for Measure ? Lean Principles for Effective Metrics and Motivation

Paul Rayner

Saturday 4:30 PM - Meadowbrook

This presentation explores the nature of motivation and the place of metrics and measurement in software development, and how lean software development principles and practices shed light on motivation and metrics and how they can be used to support deep organizational improvement.

We will examine the nature of motivation in terms of the four intrinsic rewards that drive positive engagement, and also how certain approaches to measuring and managing performance lead to organizational dysfunction. We will also show how the application of lean principles such as building quality into the product, respect for people and optimizing the whole enable more effective approaches to motivation and metrics in software development.

Joda Time and a Brief History of the World

Daniel Hinojosa

Saturday 4:30 PM - Westwood

JodaTime is Java Date/Time and Calendering done right. There are many problems with the original Date/Time API that came prepackaged in the early Java days. There are even One of the obvious issues is that Calendar is mutable and can unintentionally be changed. Another issue is that constructing Calendars in Java involves setting certain fields at certain times during coding, but not always getting the expected result. Joda Time repairs those issues and offers a robust and immutable date, time, and duration API.

In Joda Time and a Brief History of the World, I provide a quick rundown of calendaring throughout the centuries, describe UTC, compare UTC to GMT, discuss how time is calculated, and then dive into Joda Time in every popular JVM language. The end result provides the audience with compelling proof that Joda Time should always be their Date Time API of choice.

Stop, DevOp, and Roll Out Software

Matt Stine

Saturday 4:30 PM - Bellerive

What is the DevOps movement? It a nutshell, it is the idea that the days of silos are over. Development, QA, and operations can no longer be thought of as separate warring divisons with their own "turfs." Instead, we must focus on the fact that we are all part of a single value stream for the customer. By collaboration and shared expertise, we can find real overlaps between our previously segregated areas of expertise and optimize that value stream.

We'll cover the following topics:

• Death to Silos: developing an culture of collaborative software delivery
• Developing communication and bridge-building skills
• Understanding your business and its domain
• The automated "infrastructure as code" revolution
• Driving performance, process, and people improvements through metrics
• The DevOps' Toolkit: Puppet, Chef, Flapjack, Vagrant, and friends