I don't have an example handy, but IIRC added object is [null, "id"], and
removed is ["id", null]. I.e. we don't dump the entire rel state.
Andrus
> On Sep 23, 2015, at 11:28 AM, Hugi Thordarson <h...@karlmenn.is> wrote:
>
> Ah, of course… How do you handle a change to a to-many relationship in that
> scheme, do oldValue and newValue contain the entire object lists pre- and
> post-modification?
>
> - hugi
>
>
>
>> On 23. sep. 2015, at 08:09, Andrus Adamchik <and...@objectstyle.org> wrote:
>>
>> Just a pair of values:
>>
>> public class A2PropertyChange {
>>
>> private Object oldValue;
>> private Object newValue;
>>
>> ...
>> }
>>
>> and as I've shown earlier, my system would emit a stream of JSON messages
>> like this:
>>
>> {"ts":1427090346831,"by":"someuser","clientIP":"10.1.1.1","serverIP":"127.0.0.1","op":"UPDATE","id":"MyEntity:954619","changes":{"email":["r...@example.com","r...@example.org"]}}
>> {"ts":1441285381823,"by":"someotheruser","clientIP":"10.1.1.2","serverIP":"127.0.0.1","op":"DELETE","id":"MyOtherEntity:3279984:17","snapshot":{"favorite":true,"sequence":0}}
>>
>> We'd send them to Apache Kafka, so that other internal apps can process them
>> sequentially at their leisure.
>>
>> Andrus
>>
>>> On Sep 23, 2015, at 10:55 AM, Hugi Thordarson <h...@karlmenn.is> wrote:
>>>
>>> This looks really great! Would you mind sharing how the class
>>> A2PropertyChange looks?
>>>
>>> Cheers,
>>> - hugi
>>>
>>>
>>>
>>>> On 22. sep. 2015, at 19:57, Andrus Adamchik <and...@objectstyle.org> wrote:
>>>>
>>>> Here is the design of the audit framework for everyone's review:
>>>>
>>>> https://issues.apache.org/jira/browse/CAY-2030
>>>>
>>>> The way it will work from the user perspective is this:
>>>>
>>>> // bootstrap the filter by adding an extra Cayenne-provided module to
>>>> // runtime. Optionally add your own module that overrides context provider
>>>> // (e.g. to store request IP address and user name).
>>>> ServerRuntime r = ServerRuntimeBuilder.builder().addModule(new
>>>> WhateverModuleNameWeUse()).build();
>>>>
>>>> // register listener
>>>> r.getDataDomain().addListener(new MyListener());
>>>>
>>>>
>>>> // listener code
>>>> class MyListener {
>>>>
>>>>
>>>> @PostCommit
>>>> void processAsChangeset(Map<ObjectId, ObjectChangeSet> map) {..}
>>>>
>>>> // optionally can take a changeset serialized to JSON
>>>> @PostCommit
>>>> void processAsJSON(Map<ObjectId, String> map) {..}
>>>> }
>>>>
>>>> Andrus
>>>
>>
>
