topic Re: May I store a processEngine instance reference in a database ? in Alfresco Archive

May I store a processEngine instance reference in a database ?

cnirparis — Wed, 25 Jun 2014 12:06:07 GMT

Hello everyone.For using Activiti you must create a processEngine, for example ProcessEngine pe = ProcessEngineConfiguration .createProcessEngineConfigurationFromResourceDefault() .buildProcessEngine();‍‍‍‍‍The documentation advice is to avoid to parse more than once the BPMN Xml because it's co

Re: May I store a processEngine instance reference in a database ?

samson — Wed, 25 Jun 2014 18:42:08 GMT

That sounds very strange.
To read/write it from the database and to serialize/deserialize it, takes much longer then to parse a xml File.

Re: May I store a processEngine instance reference in a database ?

martin_grofcik — Thu, 26 Jun 2014 06:19:19 GMT

Hi,

Could you provide use case for it please?

Regards
Martin

Re: May I store a processEngine instance reference in a database ?

cnirparis — Thu, 26 Jun 2014 07:40:49 GMT

What do you mean ? The matter is to know if it's better (in terms of executing time) to re-parse the BPMN XML file every time you need it, or it's better to store the processEngine instance somewhere else. The documentation seems to say that.
Thank you for your answer.

Re: May I store a processEngine instance reference in a database ?

martin_grofcik — Fri, 27 Jun 2014 07:01:32 GMT

Hi,

How often do you start process engine?

store engine in the DB - after the fetch you have to reestablish all DB connections, beans…. , I think that's the time consuming part of process engine initialization.

Regards
Martin