Ok, I was with version 2.0.1-incubating (with Maven). Is 2.0.2
already available through Maven?
On Jan 22, 2007, at 12:01 PM, Andrus Adamchik wrote:
> Actually you may want to upgrade to 2.0.2 - you may be affected by
> this bug that was fixed in the last release:
>
> https://issues.apache.org/cayenne/browse/CAY-712
>
> Andrus
>
>
> On Jan 21, 2007, at 11:10 PM, Alexander Lamb (dev) wrote:
>
>> Well, it might be me... having trouble with a class hierarchy. So
>> first I'll check that, then I'll be back with the
>> validateForInsert :-)
>>
>> On Jan 21, 2007, at 6:49 PM, Alexander Lamb (dev) wrote:
>>
>>> Hello, me again!
>>>
>>> Are you certain it is possible to handle fetches and creations in
>>> validateForInsert like this for example:
>>>
>>> public void validateForInsert(ValidationResult validationResult)
>>> {
>>> Scope scope = Scope.scopeWithShortNameInContext
>>> (this.getShortName(),this.getDataContext());
>>> if(scope == null)
>>> {
>>> RegistryScope registryScope = new RegistryScope();
>>> this.getDataContext().registerNewObject(registryScope);
>>> registryScope.setShortName(this.getShortName());
>>> registryScope.setScopeClass("REGISTRY");
>>> registryScope.setName(this.getLongName());
>>> registryScope.setRegistry(this);
>>> }
>>> }
>>>
>>> I get a wonderfull index out of bounds deep in the cayenne classes:
>>>
>>> java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
>>> at java.util.ArrayList.RangeCheck(ArrayList.java:546)
>>> at java.util.ArrayList.get(ArrayList.java:321)
>>> at java.util.Collections$UnmodifiableList.get
>>> (Collections.java:1155)
>>> at
>>> org.apache.cayenne.access.trans.SelectTranslator.appendQueryColumns(
>>> SelectTranslator.java:400)
>>> at
>>> org.apache.cayenne.access.trans.SelectTranslator.buildResultColumns(
>>> SelectTranslator.java:338)
>>> at
>>> org.apache.cayenne.access.trans.SelectTranslator.createSqlString
>>> (SelectTranslator.java:113)
>>> at
>>> org.apache.cayenne.dba.mysql.MySQLSelectTranslator.createSqlString
>>> (MySQLSelectTranslator.java:31)
>>> at
>>> org.apache.cayenne.access.trans.QueryAssembler.createStatement
>>> (QueryAssembler.java:95)
>>> at
>>> org.apache.cayenne.access.jdbc.SelectAction.performAction
>>> (SelectAction.java:71)
>>> at org.apache.cayenne.access.DataNodeQueryAction.runQuery
>>> (DataNodeQueryAction.java:59)
>>> at org.apache.cayenne.access.DataNode.performQueries
>>> (DataNode.java:273)
>>> at
>>> org.apache.cayenne.access.DataDomainQueryAction.runQuery
>>> (DataDomainQueryAction.java:319)
>>> at org.apache.cayenne.access.DataDomainQueryAction.access
>>> $000(DataDomainQueryAction.java:60)
>>> at org.apache.cayenne.access.DataDomainQueryAction
>>> $1.transform(DataDomainQueryAction.java:291)
>>> at org.apache.cayenne.access.DataDomain.runInTransaction
>>> (DataDomain.java:820)
>>> at
>>> org.apache.cayenne.access.DataDomainQueryAction.runQueryInTransactio
>>> n(DataDomainQueryAction.java:288)
>>> at org.apache.cayenne.access.DataDomainQueryAction.execute
>>> (DataDomainQueryAction.java:109)
>>> at org.apache.cayenne.access.DataDomain.onQuery
>>> (DataDomain.java:730)
>>> at
>>> org.apache.cayenne.util.ObjectContextQueryAction.runQuery
>>> (ObjectContextQueryAction.java:217)
>>> at
>>> org.apache.cayenne.access.DataContextQueryAction.execute
>>> (DataContextQueryAction.java:54)
>>> at org.apache.cayenne.access.DataContext.onQuery
>>> (DataContext.java:1386)
>>> at org.apache.cayenne.access.DataContext.performQuery
>>> (DataContext.java:1375)
>>> at ch.rodano.role.model.Scope.scopeWithShortNameInContext
>>> (Scope.java:18)
>>> at ch.rodano.role.model.Registry.validateForInsert
>>> (Registry.java:39)
>>>
>>>
>>> On Jan 17, 2007, at 8:53 AM, Andrus Adamchik wrote:
>>>
>>>> Hi Alex,
>>>>
>>>> Yes you can do that. Validation routine is executed before
>>>> object changes are finalized, allowing arbitrary object
>>>> operations to be performed during the validation.
>>>>
>>>> Andrus
>>>>
>>>>
>>>> On Jan 17, 2007, at 12:07 AM, Alexander Lamb (dev) wrote:
>>>>
>>>>> Hello list,
>>>>>
>>>>> I am currently using Cayenne 2.0.
>>>>>
>>>>> I read it was possible to modify objects during a
>>>>> validateForInsert or validateForSave call (e.g. not the same as
>>>>> old WebObjects).
>>>>>
>>>>> What about creating a new object and inserting it in the
>>>>> DataContext? Will it get saved at the same time?
>>>>>
>>>>> My problem is the following:
>>>>>
>>>>> I have an object which has a to-one relationship to another
>>>>> object. That other object has to be created at the same time as
>>>>> the first one. I would like to make it automatic so the user of
>>>>> the library I am writing can simply create and insert the first
>>>>> object and the second one will follow.
>>>>>
>>>>> To understand why I am creating two objects related one-to-one
>>>>> it is because I have an entity which can be related (to-one) to
>>>>> either one of four other entities. I am doing this instead of
>>>>> modeling things with a class hierarchy since cayenne doesn't
>>>>> support multiple tables class hierarchies.
>>>>>
>>>>> Thanks for any hints!
>>>>>
>>>>> Alex
>>>>>
>>>>
>>>
>>
>>
>
This archive was generated by hypermail 2.0.0 : Mon Jan 22 2007 - 16:41:09 EST