Xtext Eclipse Demo Camp Berlin

Peter Friese, itemis @peterfriese @xtext (c) 2009 Peter Friese. Distributed under the EDL V1.0 - http://www.eclipse.org/org/documents/edl-v10.php More info: http://www.peterfriese.de / http://www.itemis.com

➊ Peter Friese, itemis @peterfriese @xtext (c) 2009 Peter Friese. Distributed under the EDL V1.0 - http://www.eclipse.org/org/documents/edl-v10.php More info: http://www.peterfriese.de / http://www.itemis.com

➊ ➋ Peter Friese, itemis @peterfriese @xtext (c) 2009 Peter Friese. Distributed under the EDL V1.0 - http://www.eclipse.org/org/documents/edl-v10.php More info: http://www.peterfriese.de / http://www.itemis.com

➊ ➋ ➌ Peter Friese, itemis @peterfriese @xtext (c) 2009 Peter Friese. Distributed under the EDL V1.0 - http://www.eclipse.org/org/documents/edl-v10.php More info: http://www.peterfriese.de / http://www.itemis.com

? Right tool for the job?

Your trusty swiss army knife!

You’d want to core a few more apples...

... for an apple cake.

Still the best tool for the job?

Better use this one.

and this one:

A DSL is...

A speciﬁc tool for a speciﬁc job

Think about your job!

Feel like this?

because

Wrong Level of Abstraction! http://www.ﬂickr.com/photos/rykerstribe/3222969466/

@SuppressWarnings("serial") @Entity @Table(name = "CUSTOMER_INFO") public class CustomerInfo implements Serializable { @Id @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "idSeq") @SequenceGenerator(name = "idSeq", sequenceName = "CUST_SEQ", allocationSize = 1) @Column(name = "CUST_ID", nullable = false) private String customerId; public void setCustomerId(String customerId) { this.customerId = customerId; } public String getCustomerId() { return customerId; } @Column(name = "EMAIL", nullable = false, length = 128) private String emailAddress; public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { String oldValue = emailAddress; this.emailAddress = emailAddress; firePropertyChangedEvent("emailAddress", oldValue, this.emailAddress); }

entity CustomerInfo (id=CUST_ID, sequenceName=CUST_SEQ) { String emailAddress (notNull, length = 128) }

entity CustomerInfo (id=CUST_ID, sequenceName=CUST_SEQ) { String emailAddress (notNull, length = 128) } Bean DAO (POJO)

Demo Creating an Entity DSL in 3 Simple Steps

➊ Create a DSL

Deﬁne the Grammar

Compile the Grammar

Start the Runtime Workbench

Start Using the DSL

➋ Pimp My Write

Create a Label Provider

➌ Add a Generator

Adding a Builder

Concentrate on Essentials

Higher Efﬁciency

Better Maintainability http://www.ﬂickr.com/photos/ﬂyforfun/2638180406/

No More Boring Code

Twitter: @xtext http://www.xtext.org

Committers Heiko Sven Moritz Peter Dennis Jan Patrick Sebastian Michael Knut Behrens Efftinge Eysholdt Friese Hübner Köhnlein Schönbach Zarnekow Clay Wannheden Individual

Xtext Eclipse Demo Camp Berlin

by Peter Friese

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