Just took a minor change to compile (didn't like ?~) and I'll let you know how
it goes soon. I'm running into one more problem, this time a runtime exception
saving a document:
java.lang.AbstractMethodError:
test.Settings$updated$.encode(Ljava/lang/Object;)Ljava/lang/String;
at
net.liftweb.couchdb.JSONEncodedStringFieldMixin$$anonfun$asJValue$6.apply(JSONRecord.scala:319)
at
net.liftweb.couchdb.JSONEncodedStringFieldMixin$$anonfun$asJValue$6.apply(JSONRecord.scala:319)
at net.liftweb.common.Full.map(Box.scala:330)
at net.liftweb.couchd...
The field is defined as:
object updated extends JSONDateTimeField( this)
Surely something else I missed?
Craig
On Mar 3, 2010, at 8:39 PM, Ross Mellgren wrote:
> Try this:
>
> /** Enum data field for JSON records. Encodes as JString */
> class JSONEnumNameField[OwnerType <: JSONRecord[OwnerType], EnumType <:
> Enumeration]
> (rec: OwnerType, enum: EnumType)(implicit
> enumValueType: Manifest[EnumType#Value])
> extends EnumField[OwnerType, EnumType](rec, enum) with JSONField
> {
> def this(rec: OwnerType, enum: EnumType, value: EnumType#Value)(implicit
> enumValueType: Manifest[EnumType#Value]) = {
> this(rec, enum)
> set(value)
> }
>
> def this(rec: OwnerType, enum: EnumType, value:
> Box[EnumType#Value])(implicit enumValueType: Manifest[EnumType#Value]) = {
> this(rec, enum)
> setBox(value)
> }
>
> def asJValue: JValue = valueBox.map(v => JString(v.toString)) openOr
> (JNothing: JValue)
> def fromJValue(jvalue: JValue): Box[EnumType#Value] = jvalue match {
> case JNothing|JNull if optional_? => setBox(Empty)
> case JString(s) => setBox(enum.valueOf(s) ?~ ("Unknown
> value \"" + s + "\""))
> case other => setBox(expectedA("JString", other))
> }
> }
>
> Let me know if it works for you. If so, I'll start the process of getting it
> into master as soon as I can.
>
> -Ross
>
> On Mar 3, 2010, at 8:12 PM, Craig Blake wrote:
>
>> Sure, will do. The only thing I think I'll need to figure out is how to
>> persist an enumeration by name rather than ordinal value, but I imagine that
>> it should be pretty straight-forward to add a new field type in my app to
>> handle it.
>>
>> Thanks,
>> Craig
>>
>> On Mar 3, 2010, at 7:45 PM, Ross Mellgren wrote:
>>
>>> It's no problem, as I mentioned the compiler error is practically useless.
>>>
>>> Hope you get along well, let me know if you have any other issues.
>>>
>>> -Ross
>>>
>>> On Mar 3, 2010, at 7:29 PM, Craig Blake wrote:
>>>
>>>> Yep, that seems to be better. Sorry for the noise, I don't know why I
>>>> didn't think to check that.
>>>>
>>>> Thanks for the quick answer.
>>>>
>>>> Craig
>>>>
>>>> On Mar 3, 2010, at 4:44 PM, Ross Mellgren wrote:
>>>>
>>>>> Unfortunately the compiler error is bizarre (due to some of the type
>>>>> shuffling involved), but the underlying problem you're experiencing is
>>>>> that DateTimeFields (and therefore JSONDateTimeFields) have a storage
>>>>> type of Calendar, and you're trying to assign a Date to them. Try
>>>>> Calendar.getInstance instead of new Date() and see if that resolves it
>>>>> for you?
>>>>>
>>>>> -Ross
>>>>>
>>>>> On Mar 3, 2010, at 4:32 PM, Craig Blake wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I am getting familiar with the lift-couchdb module, and trying to put
>>>>>> together a sample based on the tests in the module. Trying to create a
>>>>>> record, based on this test code:
>>>>>>
>>>>>> def testRec1: Person = Person.createRecord.name("Alice").age(25)
>>>>>>
>>>>>> this is what I have:
>>>>>>
>>>>>> class Account extends CouchRecord[Account] {
>>>>>> def meta = Account
>>>>>> object created extends JSONDateTimeField(this)
>>>>>> }
>>>>>> object Account extends Account with CouchMetaRecord[Account]
>>>>>>
>>>>>> ...
>>>>>>
>>>>>> val account = Account.createRecord.created(new Date())
>>>>>>
>>>>>>
>>>>>> I get a compilation error:
>>>>>>
>>>>>> [WARNING] Test.scala:44: error: overloaded method value apply with
>>>>>> alternatives ((net.liftweb.common.Box[_12.MyType])test.Account) forSome
>>>>>> { val _12: object test.Account#created } <and>
>>>>>> ((_13.MyType)test.Account) forSome { val _13: object
>>>>>> test.Account#created } cannot be applied to (java.util.Date)
>>>>>> [WARNING] val account = Account.createRecord.created( new
>>>>>> Date())
>>>>>>
>>>>>>
>>>>>> I'm sure that I am just missing something obvious. Any ideas what?
>>>>>>
>>>>>> Thanks,
>>>>>> Craig
>>>>>>
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