Skip to main content

SCRUM: A BREATHTAKING BRIEF AND AGILE INTRODUCTION - book summary

---

# book summary

Title: 'SCRUM: A BREATHTAKING BRIEF AND AGILE INTRODUCTION'

Authors:
  - Chris Sims
  - Hillary Louise Johnson

Scrum Definition: >
  Is a framework designed to help small teams of people develop complex products,
  the framework is not technical and can easily adapt the tools and practices to
  other industries.

more: >
  A Scrum team typically consists of seven (+-2) people who work together in short,
  sustainable bursts of activity called sprints, one of the mantras of scrum are
  “inspect and adapt” both the process and product.

# chapter 1: Roles
Roles:
  - Product-Owner
  - Scrum-Master
  - Team-Member

Product-Owner::responsibilities:
  - looks at ROI (product vision)
  - controls priority of work
  - responsible for user stories (business interests, customer, acceptance criteria, answer questions)

Scrum-Master::responsibilities:
  - facilitator (between team and stockholder)
  - team impediment resolver

Team-Member::responsibilities:
  - provides estimates
  - completes user stories

Team-size-significance:
  - few: fewer skills to finish the job
  - more: communication overhead

# Chapter 2: Artifacts
Scrum-Artifacts (tools):
  - Product Backlog: Todo List of prioritized work items or user stories (e.g. features, bugs, doc etc)

Sprint-Backlog:
  - todo list (current sprint)

Story:
  - team deliverable unit
  - contains one or more task.
  - user (customer or owner to who the story will benefit)
  - description
  - value
  - estimate (size)
  - acceptance criteria (how to know that it was implemented correctly)

Task: 
  - person deliverable unit

BurnCharts: 
  - represents time(x-axis) and scope(y-axis), i.e. scope reduces with time.

Task-Board:
  - visible to all
  - contains todo, doing, done items
  - helps team and stakeholders see progress

Done-Definition: Team should define the definition to avoid confusion (code complete is not done may require other tasks like testing and releasing etc)

# chapter 3: Cycles
Sprint-Cycle-Meetings:
  - Sprint-Planning  (2 hrs)
  - Daily-Scrum       (15 mins)
  - Story-Time         (1 hr)
  - Sprint-Review     (30 mins)
  - Retrospective     (90 mins)

Sprint-Planning:
  - commit to stories and tasks

Daily-Scrum:
  - tasks completed
  - task expect to complete
  - any obstacles
  - problems are solved out site the meeting

Story-Time: discuss and improve product backlog

Sprint-Review:
  - show accomplishments to all including stakeholders
  - highlight any work not done
  - feedback

Retrospective:
  - what went well
  - what did not go well?

Frequent-demo: inspect and feedback

Notes:
  - Terminating a sprint halfway is a business decision.

Comments

Popular posts from this blog

JPA 2 new feature @ElementCollection explained

@ElementCollection is new annotation introduced in JPA 2.0, This will help us get rid of One-Many and Many-One shitty syntax. Example 1: Stores list of Strings in an Entity @Entity public class Users implements Serializable {     private static final long serialVersionUID = 1L;     @Id     @GeneratedValue(strategy = GenerationType.AUTO)     private Long id;     @ElementCollection     private List<String> certifications = new ArrayList <String> ();     public Long getId() {         return id;     }     public void setId(Long id) {         this.id = id;     }     public List <String> getCertifications() {         return certifications;     }     pub...

Validating CSV Files

What is CsvValidator ?   A Java framework which validates any CSV files something similar to XML validation using XSD. Why should I use this ?   You don't have to use this and in fact its easy to write something your own and also checkout its source code for reference. Why did I write this ?   Some of our projects integrate with third party application which exchanges information in CSV files so I thought of writing a generic validator which can be hooked in multiple projects or can be used by QA for integration testing. What is the license clause ?   GNU GPL v2 Are there any JUnit test cases for me checkout ?  Yes,  source How to integrate in my existing project ? Just add the Jar which can be downloaded from here  CsvValidator.jar  and you are good. Instantiate  CsvValidator c onstructor which takes these 3 arguements          // filename is the the file to be validated and here ...

Reuse JPA Entities as DTO

Note : Major design advantages of JPA Entities are they can detached and used across tiers and networks and later can by merged. Checkout this new way of querying entities in JPA 2.0 String ql = " SELECT new prepclass2.Employee (e.firstname, e.lastname) FROM Employee e "; List<Employee> dtos = em.createQuery(ql).getResultList(); The above query loads all Employee entities but with subset of data i.e. firstname, lastname. Employee entity looks like this. @Entity @Table(name="emp") public class Employee implements Serializable {     private static final long serialVersionUID = 1L;     @Id     @GeneratedValue(strategy = GenerationType.AUTO)     private Long id;     @Column     private String firstname;     @Column     private String lastname;     @Column     private String username;     @Column ...