HOME SCALA & F# JAVA .NET WEB GROOVY & GRAILS ANDROID & IOS NOSQL ARCHITECTURE AGILE & SCRUM AGILE DEVELOPER  
London .NET User Group:Push LINQ: Watching Data Fly By
Push LINQ: Watching Data Fly By
In this session Jon Skeet, author of Manning's C# In Depth, explains the "Push LINQ" framework he developed with Marc Gravell.

The "standard" LINQ to Objects is based on IEnumerable, involving the consumer "pulling" data from a supplier. This works very well in many cases, but has some unfortunate consequences when many consumers are interested in the same data, or when a producer wishes to push data selectively from a single source to different consumers.

Push LINQ is based on observers subscribing to events to see data as it's produced. This enables multiple aggregates to be computed with a single pass through the data, as well as allowing data to be fully streamed in cases which might otherwise require buffering.

Review:
Jon Skeet reveals the Push LINQ framework that he and Marc Gravell have developed to provide a solution for a familiar issue of traversing data stored in a linked list whilst having an efficient implementation for pulling such data without the need for more than one traversal. Jon begins with the explanation of how his framework operates, via user interaction; he provides a solid foundation of understanding for viewers to translate his ideas into the C# code behind the ideas. He outlines the advantages and limitations of his framework, such as allowing multiple aggregates to be computed with single traversals through potentially large amount of streaming data and inability to direct such data to multiple consumers. Although currently Jon and Marc’s framework may appear to have few real world applications, it is certainly very promising - especially if the ability to use multiple consumers is implemented.
Review by Jim Li


ABOUT JON SKEET
Jon Skeet is a C# and Java developer currently working at Google in the UK. For many years he has been a frequent poster in technical newsgroups, and has been awarded as a C# MVP by Microsoft since 2003...
More about Jon Skeet

ABOUT THE LONDON .NET USER GROUP
The London .NET user group was etablished in 2002 to provide developers developers working with Microsoft's .NET framework with access to the latest and best information. At our monthly meetings you can hear expert speakers who dig 'under the hood' and keep you informed on best practices and future directions of the Framework.
More about the London .NET User Group
PODCAST PUSH LINQ: WATCHING DATA FLY BY
PROGRESSIVE .NET PODCASTS
Gael Fraiteur:Multithreading beyond the lock keyword, Multithreading
Gael Fraiteur : 24th May 2012
View Podcast: Multithreading beyond the lock keyword,
Various Speakers:Community Retrospective on a Decade of .NET, Decade of .NET
Various Speakers : 17th May 2012
View Podcast: Community Retrospective on a Decade of .NET,
Oren Eini aka Ayende Rahien:Sharding And Scaling with RavenDB, Scaling with RavenDB
Oren Eini aka Ayende Rahien : 15th May 2012
View Podcast: Sharding And Scaling with RavenDB,
Phil Trelford:F# for Commodities Trading, F# Commodities Trading
Phil Trelford : 14th May 2012
View Podcast: F# for Commodities Trading,
Tomas Petricek:F# Domain Specific Languages for Finance , F# DSL
Tomas Petricek : 14th May 2012
View Podcast: F# Domain Specific Languages for Finance ,
John Zablocki:Developing with Couchbase, Developing with Couchbase
John Zablocki : 9th May 2012
View Podcast: Developing with Couchbase,
Chris Harris:MongoDB and Document Databases, Document Databases
Chris Harris : 9th May 2012
View Podcast: MongoDB and Document Databases,
David Mytton:MongoDB performance at scale, MongoDB performance
David Mytton : 9th May 2012
View Podcast: MongoDB performance at scale,
Chris Harris:Hands-on MongoDB, Hands-on MongoDB
Chris Harris : 9th May 2012
View Podcast: Hands-on MongoDB,
Oren Eini aka Ayende Rahien:RavenDB: A 2nd generation document database, RavenDB
Oren Eini aka Ayende Rahien : 9th May 2012
View Podcast: RavenDB: A 2nd generation document database,
Phil Jones:The challenges and rewards of using RavenDB, RavenDB: challenges & rewards
Phil Jones : 9th May 2012
View Podcast: The challenges and rewards of using RavenDB,
Oren Eini aka Ayende Rahien:RavenDB Crash Course, RavenDB Crash Course
Oren Eini aka Ayende Rahien : 9th May 2012
View Podcast: RavenDB Crash Course,
Ian Cooper:Huddle, Huddle
Ian Cooper : 23rd Apr 2012
View Podcast: Huddle,
Adrian Withy:Milliman, Milliman
Adrian Withy : 23rd Apr 2012
View Podcast: Milliman,
Michael Delaney:Elevate, Elevate
Michael Delaney : 23rd Apr 2012
View Podcast: Elevate,
OTHER PROGRESSIVE .NET EVENTS
Uncle Bob (Robert C. Martin):Uncle Bob's Advanced Test Driven Development in NYC,  Uncle Bob's Advanced Test Driven Development in NY
3 DAY COURSE. Featuring Uncle Bob (Robert C. Martin)
New York, Tuesday, May 29th
Progressive .NET Tutorials 2012, Progressive .NET Tutorials 2012
CONFERENCE (3 DAYS)
London, Tuesday, May 29th BOOK NOW!
2012 Progressive F# Tutorials NYC, 2012 Progressive F# Tutorials NYC
CONFERENCE (2 DAYS)
New York City, Tuesday, June 5th BOOK NOW!
Mark Rendle Zen and the Art of Software,  Zen and the Art of Software
FREE EVENT: In The Brain of Mark Rendle
London, Monday, June 11th
Jon Jagger:Jon Jagger & Kevlin Henney's Agile Development for Developers,  Jon & Kevlin's Agile Development Course
3 DAY COURSE. Featuring Jon Jagger
London, Monday, June 18th
Simon Brown:Simon Brown's Enterprise Software Developer,  Simon Brown's Enterprise Software Developer
3 DAY COURSE. Featuring Simon Brown
London, Monday, June 18th
QCon New York 2012, QCon New York 2012
CONFERENCE (3 DAYS)
New York, Monday, June 18th BOOK NOW!
David Laribee:David Laribee's Leading Lean/Agile Teams,  David Laribee's Leading Lean/Agile Teams
2 DAY COURSE. Featuring David Laribee
New York, Thursday, June 21st
© Copyright 2003-2011, Skills Matter Ltd
  Web development by You In Control
About Us  Jobs  Find Us  Meeting & Training Rooms  Newsletter  Jobs: Sales Executive  Jobs: Student SkillsCaster  jobs - junior event coordinator  Speed Coding 2011  Open Source Journal  Ticket Raffle  Agile Expert Series  Jobs: Sponsorship Development  jobs: Marketing & Sales Graduate Internship