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Peter Ledbrook
Grails Update
1Monday, 30 May 2011
Past year
• Grails 1.3 line– Plugins in dependency DSL
• More and more plugins– Spring Security Core et al.– RabbitMQ– Gemfire– Resources, etc.
• noSQL– Redis, MongoDB, Riak, etc.
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2Monday, 30 May 2011
New users
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3Monday, 30 May 2011
Grails 1.4
• Groovy 1.8
• Spring 3.1
• Hibernate 3.6
• Tomcat 7
• Prototype => jQuery
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4Monday, 30 May 2011
Grails 1.4
• Data storage
• Better testing
• User experience
• A better look
• A truly collaborative effort
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5Monday, 30 May 2011
Grails 1.4
• Data storage
• Better testing
• User experience
• A better look
• A truly collaborative effort
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6Monday, 30 May 2011
GORM API
• Plugins should not assume Hibernate!
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7Monday, 30 May 2011
?
SQL database migration
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Hibernate ‘update’+
Production data=
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SQL database migration
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Liquibase
Autobase
+Database MigrationPlugin
9Monday, 30 May 2011
SQL database migration
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Pre-production, Hibernate ‘update’ or ‘create-drop’
dbm-generate-changelogdbm-changelog-sync
Change domain model
dbm-gorm-diffdbm-update
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SQL reverse engineering
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install-plugin db-reverse-engineer
class Person { String name Integer age ...}
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Other database stuff
• Abstract base domain classes– These now result in a table
• findOrCreateWhere()• findOrSaveWhere()
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def user = User.findByLogin('admin')if (!user) { user = new User(login: 'admin') user.save(failOnError: true)}
def user = User.findOrSaveWhere(login: 'admin')
12Monday, 30 May 2011
Grails 1.4
• Data storage
• Better testing
• User experience
• A better look
• A truly collaborative effort
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13Monday, 30 May 2011
Unit testing pre-1.4
• mockDomainClass() had only partial GORM support– always lagged changes in GORM
• Inheritance-based– hierarchy duplicated for Spock– difficult to extend
• Weak support for web-related testing– controllers– tag libraries
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The mixin approach
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class MyControllerUnitTests extends ControllerUnitTestCase { void setUp() { mockDomain(Person, [ new Person(...), new Person(...) ]) }
void testIndex() { def model = this.controller.index() ... }}
15Monday, 30 May 2011
The mixin approach
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class MyControllerUnitTests { void setUp() { mockDomain(Person, [ new Person(...), new Person(...) ]) }
void testIndex() { def model = this.controller.index() ... }}
16Monday, 30 May 2011
The mixin approach
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@TestFor(MyController)@Mock(Person)class MyControllerUnitTests { void setUp() { mockDomain(Person, [ new Person(...), new Person(...) ]) }
void testIndex() { def model = this.controller.index() ... }}
17Monday, 30 May 2011
The mixin approach
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@TestFor(MyController)@Mock(Person)class MyControllerUnitTests { void setUp() { new Person(...).save() new Person(...).save() }
void testIndex() { def model = this.controller.index() ... }}
18Monday, 30 May 2011
The mixin approach (optional)
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@TestFor(MyController)@Mock(Person)class MyControllerUnitTests { @Before void before() { new Person(...).save() new Person(...).save() }
@Test void indexAction() { def model = this.controller.index() ... }}
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Support for testing...
• Tag libraries• Command objects• XML & JSON responses• File upload• View and template rendering• Filters• URL mappings• Criteria queries• and more!
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20Monday, 30 May 2011
Grails 1.4
• Data storage
• Better testing
• User experience
• A better look
• A truly collaborative effort
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21Monday, 30 May 2011
New automatic reloading
• Reloading in run-app works with– Typed service references– Domain classes– src/groovy, src/java
• Any command with -agent• Interactive mode and integration tests?
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22Monday, 30 May 2011
Plugin portal
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How many people use each plugin?We don’t know
+ Plugin usage tracking+ Grails usage tracking+ More info about plugins
LicenceDevelopersIssue trackerSCMDependencies (JAR & plugin)
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Other stuff
• Snapshot handling fixed– No need to clear Ivy cache when new snapshot available
• Interactive mode– Eliminate Permgen errors?
• H2 console– Out of the box interrogation of database
• Binary plugins– Plugins as JAR dependencies!
• AST transforms– Use domain classes from Java!– Real ‘errors’ and ‘log’ properties!
• Public methods on controllers == actions
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24Monday, 30 May 2011
Grails 1.4
• Data storage
• Better testing
• User experience
• A better look
• A truly collaborative effort
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25Monday, 30 May 2011
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26Monday, 30 May 2011
Grails 1.4
• Data storage
• Better testing
• User experience
• A better look
• A truly collaborative effort
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27Monday, 30 May 2011
Contributors
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Marc Palmer
Resources
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Contributors
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Rob Fletcher
Scaffolding &jQuery
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Contributors
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Stéphane Maldini
AST Magic
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Contributors
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Luke Daley
Snapshot deps & testing
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Contributors
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Jonathan Pearlin
Maven
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Contributors
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Kim Betti
JUnit Test Reports
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Contributors
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Other contributions
• 60+ pull requests on grails-core• 35+ pull requests on grails-docs• More and more plugins• GitHub for the win!
– grails-core– grails-docs– grails-website– grails-maven– and many, many plugins
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Grails in the cloud
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?
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For the future
• A continued focus on
– Reliability
– User experience
– Modularity
– More cloud
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Thank you!
Questions?
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