Thanks for your quick answer
one question, if I have 5 persistence actor instances they belong to the
same Class,* do they conflict each other when persist data or recover data?*
On Thursday, July 3, 2014 1:34:02 PM UTC+8, Patrik Nordwall wrote:
>
> You missed the call to *persist*.
>
> @Override
> public void onReceiveCommand(Object message) throws Exception {
> persist("test", new Procedure<String>() {
> public void apply(String evt) throws Exception {
> dataList.add("test");
> if(dataList.size()>10) {
> throw new Exception();
> }
> }
> });
>
> }
>
> I'm curious to know if you found that code in the documentation or
> samples, because then we would like to correct it.
>
> Regards,
> Patrik
>
>
> On Thu, Jul 3, 2014 at 4:12 AM, <simaf...@gmail.com <javascript:>> wrote:
>
>>
>> Hi All,
>>
>> I do not very understand the UntypedPersistentActor. I have 2 questions
>>
>> *question 1*: we have to overide the method persistenceId. It can return
>> any String value, but must be unique, right?
>>
>> @Override
>> public String persistenceId() {
>> return "test-id-1";
>> }
>> *question 2*: I have the below test code. When throws exception in the
>> actor(refer to the red color code), I believe the variable dataList will be
>> recovered.
>> But I debugged the code, the dataList wasn't revocered. *Did I miss
>> anything?*
>>
>> public class DemoAggregatorActor extends UntypedPersistentActor {
>>
>> private List<String> dataList = new ArrayList<String>(100);
>>
>>
>> @Override
>> public void onReceiveRecover(Object msg) {
>> if (msg instanceof String) {
>> dataList.add((String)msg);
>> } else {
>> unhandled(msg);
>> }
>> }
>>
>> @Override
>> public void onReceiveCommand(Object message) throws Exception {
>>
>> dataList.add("test");
>> if(dataList.size()>10){
>> *throw new Exception();*
>> }
>> }
>> }
>>
>> --
>> >>>>>>>>>> Read the docs: http://akka.io/docs/
>> >>>>>>>>>> Check the FAQ:
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>
>
>
> --
>
> Patrik Nordwall
> Typesafe <http://typesafe.com/> - Reactive apps on the JVM
> Twitter: @patriknw
>
>
--
>>>>>>>>>> Read the docs: http://akka.io/docs/
>>>>>>>>>> Check the FAQ:
>>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html
>>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user
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