I've two domain classes
1. CustomerInterest.groovy
static hasMany = [activities:Activity]
static belongsTo=[customer:Customer,projectProperty:ProjectProperty]
static mapping={
activities sort:'dateCreated',order:'desc'
}
2. Activity.groovy
Date dateCreated
static belongsTo = [customerInterest:CustomerInterest, employee:Employee]
In a controller i am doing this..
def customerDetails(Customer customer)
{
def customerInterest=customer.customerInterests
render view:"customerDetails",model:[customerInterest:customerInterest]
}
customerDetails.gsp
<g:each in="${customerInterest}" var="ci">
${ci}
</g:each>
**
Question: I want to sort CustomerInterest on property dateCreated of Activity domain.
**
Any help as soon as possible would be appreciated.
尝试这个
def customerInterest=customer.customerInterests.sort { it.activities.dateCreated }
Instead of using the sort order in the mappings definition, you can use the old java Comparable
-interface:
class Foo implements Comparable {
int compareTo(anotherObject) {
// complex logic returning -1 or 0 or 1
}
}
Then you can call listOfFoos.sort()
and it will sort it with the help of the compareTo-method.
Beware that (equals) ==
will also use this method, so ensure that (only) identical objects will return 0.
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.