Grails+EJB Domain Models

import com.jasonrudolph.ejb3example.entity.EmployeeBean

def showComputersByEmployee = {
render(view:'list', model:[ computerBeanList:
ComputerBean.findAllByEmployeeBean(EmployeeBean.get(params.id)) ])
}

def update = {
def computerBean = ComputerBean.get( params.id )
if(computerBean) {
if (computerBean.employeeBean) {
computerBean.employeeBean.computers.remove(computerBean)
}
computerBean.properties = params
def employeeBean = EmployeeBean.get(params.employeeId)
employeeBean.computers.add(computerBean)
computerBean.employeeBean = employeeBean
if(computerBean.save()) {
redirect(action:show,id:computerBean.id)
}
else {
render(view:'edit',model:[computerBean:computerBean])
}
}
else {
flash.message = "ComputerBean not found with id ${params.id}"
redirect(action:edit,id:params.id)
}
}

constraints = {
networkId(length:6..8,blank:false,unique:true)
firstName(maxLength:20,blank:false)
lastName(maxLength:20,blank:false)
startDate(nullable:false)
}

def showSearchResults = {
render(view:'list', model:[ employeeBeanList:
EmployeeBean.findAllByLastNameLike("%" + params.lastName + "%") ])
}

def showSearchResults = {
def criteria = EmployeeBean.createCriteria()
def results = criteria {
or {
ilike("networkId", "%" + params.networkId + "%")
and {
eq("firstName", params.firstName)
eq("lastName", params.lastName)
}
}
}
render(view:'list', model:[ employeeBeanList: results.adaptee ])
}