About this Book

This book is about Mondrian 4.0 and related technologies. It’s organized into chapters based on functionality. Chapters are designed to be standalone in most cases, but it’s easier, especially for beginners, to start at the beginning and work through the chapters of interest in order. Depending on your role in the organization, different chapters will be more relevant than others.

Intended audience

This book is targeted at four general types of users:

The?business analyst?is the person who will use Mondrian to perform analysis. This reader mainly wants to use Mondrian and the related tools, not necessarily understand all of the inner workings, such as configuration and database format.

The?data warehouse architect?is the person who’s responsible for setting up the data for Mondrian for business analysts to use. This person makes it possible for analysis to be fast and easy.

The?business intelligence enterprise architect?is responsible for making Mondrian work within the enterprise. This includes installation, configuration, scaling, and security.

Finally,?application developers?will want to learn how to integrate Mondrian in their own applications. Integration approaches include embedding the Mondrian engine into your application as well as using Mondrian’s web services to get data.

Roadmap

Here’s what you’ll learn in each chapter:

• Chapter 1?introduces you to business analytics and why you’d want to use a tool like Mondrian. After reading this chapter you should have an understanding of the problem that Mondrian is trying to solve. You’ll also understand how Mondrian fits into the larger business analytics architecture.
• Chapter 2?gives you a high-level overview of Mondrian and how it works to support the enterprise. This chapter provides general context for most of the rest of the book. By reading this chapter you should understand what Mondrian can do for your organization.
• Chapter 3?introduces the concept of star schemas and data marts. This chapter explains why and how to organize the data for maximum effectiveness with Mondrian. After finishing this chapter you’ll understand why certain data organization is better than others and how to create data marts for your solution.
• Chapter 4?presents the fundamentals of the Mondrian schema. This schema logically describes the data in the database. You’ll be able to create your own schemas for analysis after reading this chapter.
• Chapter 5?expands on?chapter 4?and looks at advanced schema features. It includes features such as parent-child hierarchies and hanger dimensions that allow you to model more complex data. After reading this chapter and?chapter 4?you’ll know the vast majority of all Mondrian schema features.
• Chapter 6?introduces the concept of roles and security. You’ll learn how to restrict access to data for users based on their role—for example, limiting cost information to cost accountants and financial managers.
• Chapter 7?talks about how to maximize Mondrian performance. In particular you’ll learn how to create and configure aggregate tables and use advanced in-memory caching features to make analysis with Mondrian even faster.
• Chapter 8?revisits the question of security to include dynamically setting access to data as well as support for multi-tenancy. This chapter is of particular interest to anyone managing a large-scale Mondrian installation with many users, including external clients.
• Chapter 9?talks about how Mondrian is used within Pentaho, the leading open source business analytics framework. You will learn how to use Mondrian as a source for analytics, reporting, and dashboards. This chapter also describes using Mondrian with the Community Dashboard Framework, a popular open source plug-in for Pentaho.
• Chapter 10?is for the developers who want to either embed Mondrian into their application or use it as a source of analytics data. Detailed examples are provided to help you create your own solutions.
• Chapter 11?wraps up the book with an overview of some advanced analytics topics. It shows how to perform advanced analytics within Mondrian and use popular data mining tools. We also place Mondrian in the Big Data landscape.

Recommended reading

Table 1?shows the chapter likely to be of most interest to each type of reader. That’s not to say that the other chapters won’t also be of interest, but that these are most relevant.

Table 1.?Relevant chapters by reader

Chapter

Business Analyst

Data Architect

Enterprise Architect

Application Developer

Chapter 1, “Beyond reporting: business analytics”
Chapter 2, “Mondrian: a first look”
Chapter 3, “Creating the data mart”	?		?	?
Chapter 4, “Multidimensional modeling: making analytics data accessible”	?			?
Chapter 5, “How schemas grow”	?			?
Chapter 6, “Securing data”	?			?
Chapter 7, “Maximizing Mondrian performance”	?			?
Chapter 8, “Dynamic security”	?	?
Chapter 9, “Working with Mondrian and Pentaho”
Chapter 10, “Developing with Mondrian”	?		?
Chapter 11, “Advanced analytics”		?		?

Code conventions and downloads

The code in this book is generally in individual listings. When code is inline it’ll be specified by code markings to make it easily identifiable. Code is set in a?fixed-width font like this.

Note that the listings only show what’s necessary to explain something. You should download the software to get the full examples. See appendix A for more information on how to download the software; go to the publisher’s website at?www.manning.com/MondrianinAction?to download the examples.

Software requirements

The code in this book, when specific to Mondrian, is for Mondrian 4.0. Most will work with Mondrian 3.5 or later. Mondrian 4.0 will be released as part of Pentaho 5.1 in early 2014. You can currently use Mondrian 4.0 with Saiku, which was used to validate the examples in this book. If you encounter problems with the code examples in this book, please let the authors know in the Manning Author Online forum.

In addition to the software described in appendix A, you’ll need a system capable of running Java and a web browser. The code has been tested with Java 1.6, but should also run on Java 1.7 or later. You’ll also need a database that’s supported by Mondrian, such as MySQL or PostgreSQL.

An IDE that supports HTML, Javascript, XML, and Java, such as IntelliJ Idea or Eclipse, is ideal but not required. You can enter all of the examples in a text editor and compile from the command line. But an IDE will make it a lot easier.

Author Online

The purchase of?Mondrian in Action?includes free access to a private web forum run by Manning Publications, where you can make comments about the book, ask technical questions, and receive help from the authors and from other users. To access the forum and subscribe to it, point your web browser at?www.manning.com/Mondrian-inAction. This page provides information on how to get on the forum once you are registered, what kind of help is available, and the rules of conduct on the forum.

Manning’s commitment to our readers is to provide a venue where a meaningful dialogue between individual readers and between readers and the authors can take place. It’s not a commitment to any specific amount of participation on the part of the authors, whose contribution to the forum remains voluntary (and unpaid). We suggest you try asking the authors some challenging questions, lest their interest stray!

The Author Online forum and archives of previous discussions will be accessible from the publisher’s website as long as the book is in print.

About the cover illustration

The figure on the cover of?Mondrian in Action?is captioned a “Man from Konavle.” The illustration is taken from the reproduction published in 2006 of a 19th-century collection of costumes and ethnographic descriptions entitled?Dalmatia?by Professor Frane Carrara (1812 – 1854), an archaeologist and historian, and the first director of the Museum of Antiquity in Split, Croatia. The illustrations were obtained from a helpful librarian at the Ethnographic Museum (formerly the Museum of Antiquity), itself situated in the Roman core of the medieval center of Split: the ruins of Emperor Diocletian’s retirement palace from around AD 304. The book includes finely colored illustrations of figures from different regions of Croatia, accompanied by descriptions of the costumes and of everyday life.

Konavle is a small town located southeast of Dubrovnik, Croatia. The man on the cover is wearing dark blue woolen trousers and an embroidered red vest over a white linen shirt. Over his shoulders is draped a brown woolen shawl, and a gold sash and red leggings complete his outfit. In his hand he holds a long pipe, and pistols and a musket are visible, stuck in his sash and hanging over his shoulder.

At a time when it is hard to tell one computer book from another, Manning celebrates the inventiveness and initiative of the computer business with book covers based on the rich diversity of regional life of two centuries ago, brought back to life by illustrations from collections such as this one.

In this book

CopyrightTable of ContentsPrefaceAbout this BookAcknowledgmentsAppendix A. Installing and running MondrianAppendix B. Online resourcesAppendix C. Schema shortcutsList of FiguresList of TablesList of ListingsChapter 1. Beyond reporting: business analyticsChapter 2. Mondrian: a first lookChapter 3. Creating the data martChapter 4. Multidimensional modeling: making analytics data accessibleChapter 5. How schemas growChapter 6. Securing dataChapter 7. Maximizing Mondrian performanceChapter 8. Dynamic securityChapter 9. Working with Mondrian and PentahoChapter 10. Developing with MondrianChapter 11. Advanced analytics

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