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Grails domain classes and special presentation requirements

In Grails we often use our domain objects directly as backing model for presentation purposes and only for specialized situations we create value holder objects or DTOs. Beginning Grails developers know how to display individual entity properties pretty easy in a GSP, such as the name of a fictional domain class…

<g:each in=”${breedingGoals}” var=”breedingGoal”>
  ${breedingGoal.name}
</g:each>

<g:each in=”${breedingGoals}” var=”breedingGoal”>

${breedingGoal.name}

</g:each>

<g:select from="${breedingGoals}"
  optionKey="code"
  optionValue="name" />

<g:select from="${breedingGoals}"

optionKey="code"

optionValue="name" />

but sometimes struggle when new presentational requirements come in … Lees verder Grails domain classes and special presentation requirements

Grails GORM – You Know SQL. You Know Queries. Here’s GORM.

Today I gave a presentation about Grails Object Relational Mapping (GORM) and HQL for the teams. Everybody is pretty SQL-minded and I wanted to show them what — instead of resorting to native SQL in Grails applications right away — GORM and Hibernate can do for them, not just from getting the same queries as your own hand-crafted SQL but … Lees verder Grails GORM – You Know SQL. You Know Queries. Here’s GORM.

Grails, private method scope and mocks

A simple test Since I wanted to have some test coverage (legacy code alert!) for my project I started out testing one of the services, a grails artefact. All was well, I’m using Spock and testing is a breeze. At some point I wanted to have another component to return a fixed value so I would have something predictable to … Lees verder Grails, private method scope and mocks