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Work on #184, changed category, added difficulty tag, more real applications and credits, added implementation approaches

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Narendra Pathai 2015-09-11 13:08:50 +05:30
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fluentinterface/index.md
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@ -3,14 +3,25 @@ layout: pattern
title: Fluent Interface
folder: fluentinterface
permalink: /patterns/fluentinterface/
categories: Architectural
tags: Java
categories: Other
tags:
- Java
- Difficulty-Intermediate
---
**Intent:** A fluent interface provides an easy-readable, flowing interface, that often mimics a domain specific language. Using this pattern results in code that can be read nearly as human language.
**Implementation:**
A fluent interface can be implemented using any of
* Method Chaining - calling a method returns some object on which further methods can be called.
* Static Factory Methods and Imports
* Named parameters - can be simulated in Java using static factory methods.
![Fluent Interface](./etc/fluentinterface.png "Fluent Interface")
**Applicability:** Use the Fluent Interface pattern when
* you provide an API that would benefit from a DSL-like usage
@ -20,9 +31,12 @@ tags: Java
* [Java 8 Stream API](http://www.oracle.com/technetwork/articles/java/ma14-java-se-8-streams-2177646.html)
* [Google Guava FluentInterable](https://github.com/google/guava/wiki/FunctionalExplained)
* [JOOQ](http://www.jooq.org/doc/3.0/manual/getting-started/use-cases/jooq-as-a-standalone-sql-builder/)
**Credits**
* [Fluent Interface - Martin Fowler](http://www.martinfowler.com/bliki/FluentInterface.html)
* [Evolutionary architecture and emergent design: Fluent interfaces - Neal Ford](http://www.ibm.com/developerworks/library/j-eaed14/)
* [JOOQ](http://www.jooq.org/doc/3.0/manual/getting-started/use-cases/jooq-as-a-standalone-sql-builder/)
* [Mockito](http://mockito.org/)
* [Java Hamcrest](http://code.google.com/p/hamcrest/wiki/Tutorial)
**Credits**
* [Fluent Interface - Martin Fowler](http://www.martinfowler.com/bliki/FluentInterface.html)
* [Evolutionary architecture and emergent design: Fluent interfaces - Neal Ford](http://www.ibm.com/developerworks/library/j-eaed14/)
* [Internal DSL](http://www.infoq.com/articles/internal-dsls-java)