my grails cheat-sheet

Environment

set $GRAILS_HOME=path to grails
set $JAVA_HOME=path to java
set $PATH=include $JAVA_HOME/bin and $GRAILS_HOME/bin

Init

grails create-app App1

Run

grails run-app

Create Domain

grails create-domain-class d1

path: grails-app/domain/d1.groovy

Data Constraints

class d1 {

String name
String address
Date dob
d2 linkedData

static constraints = {
   // order of fields in constraints are used in scaffolding
   name(size:1..48, unique:false)
   address(maxSize:128,blank:true)
   dob(blank:true)
   // linkedData of custom type nullable as in the case linked data doesn't exist,
    // then d1 can't be created
   linkedData(nullable:true)
}
}

Create controller

grails create-controller c1

path: grails-app/controller/c1.groovy

Scaffolding

class c1Controller {
    def scaffold = d1
}

Testing

grails test-app -unit
grails test-app -integration