Grails for the Wicked Smaht 1

Closure.groovy

def outerVariable = "foo"

def closure = { closureArgument ->
  println "$closureArgument $outerVariable"
}

(1..10).each{ i ->
  closure.call( i )  //prints "1 foo", "2 foo", etc.
}

CompanyToPerson.groovy

class Company {
  String name

  List people

  static hasMany = [
    people : Person
  ]
}

EachLoop.groovy

[1, 2, 3, 4].each{ i ->
  println i
}

ManagePeople.groovy

def company = new Company()
def person = new Person()

company.addToPeople( person )
company.removeFromPeople( person )

company.save() // cascades

MapsAndLists.groovy

def someList = ["One", "Two", "Three", "Four"]
def someMap = [ keyOne : 1, keyTwo: 2 ]

Person.groovy

class Person {
  String firstname
  String lastname
  Integer age
}

PersonAccess.groovy

println person.firstname
println person[ "firstname" ]
println person.getFirstname()

PersonConstruction.groovy

new Person( firstname: "John", lastname: "Doe", age: 12 )

PersonSetter.groovy

void setFirstname( String firstname ) {
  println "Setting firstname to ${firstname}"
  this.firstname = firstname
}

PersonToCompany.groovy

class Person {
  String firstname
  String lastname
  Integer age

  Company company

  static belongsTo = [
    company : Company
  ]
}