JavaJava
Deep Dive180min
INTERMEDIATE

Extending Functional Pipeline with Gatherers

We've had the ability to extend the terminal operation of a functional pipeline from the day one, thanks to the Collectors interface and the collect method. However, until recently we had no way to extend the intermediate steps of the functional pipeline. Why would we want to do that anyways, one may wonder. Aren't the built-in functions that make up the pipeline sufficient, one may ask. In this deep dive we will first explore the need to extend the functional pipeline. Then we will discuss what the new gatherer method and the Gatherers interface bring along. We will discuss the different types of Gatherers, when to use the different options, and provide recommendations as to which flavor to choose.

Venkat Subramaniam
Venkat Subramaniam

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Monday, October 6, 13:30-16:30
Room 8
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We've had the ability to extend the terminal operation of a functional pipeline from the day one, thanks to the Collectors interface and the collect method. However, until recently we had no way to extend the intermediate steps of the functional pipeline. Why would we want to do that anyways, one may wonder. Aren't the built-in functions that make up the pipeline sufficient, one may ask. In this deep dive we will first explore the need to extend the functional pipeline. Then we will discuss what the new gatherer method and the Gatherers interface bring along. We will discuss the different types of Gatherers, when to use the different options, and provide recommendations as to which flavor to choose.

interface
gatherers
pipeline
collectors
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Venkat Subramaniam

Venkat Subramaniam

United States of America

Dr. Venkat Subramaniam is an award-winning author, founder of Agile Developer, Inc., and an instructional professor at the University of Houston.
He has trained and mentored thousands of software developers in the US, Canada, Europe, and Asia, and is a regularly-invited speaker at several international conferences. Venkat helps his clients effectively apply and succeed with agile practices on their software projects.
Venkat is a (co)author of multiple books, including the 2007 Jolt Productivity award winning book Practices of an Agile Developer. His latest book is Functional Programming in Java: Harnessing the Power of Java 8 Lambda Expressions. You can reach him by email at venkats@agiledeveloper.com or on twitter at @venkat_s.
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