+1 from me. If everyone are OK, we can get this done soon so other toolboxes can be build on top of this.
On Tue, Jul 22, 2014 at 5:55 PM, Chamil Jeewantha <[email protected]> wrote: > +1 for optimization concern. > > In general annotation based systems uses a cache to avoid processing > annotations again and again. First time when publish receives the Event, It > process the annotations and put them into a cache. The cache key is the > class name. Next time onwards no need to process annotations. just read the > values from POJO and send to BAM. > > > > On Tue, Jul 22, 2014 at 5:16 PM, Sriskandarajah Suhothayan <[email protected]> > wrote: > >> +1 it looks clean, >> we might need to do some optimisation at the publisher when converting >> the annotated class to the stream and Databridge Event. >> >> Suho >> >> >> >> On Tue, Jul 22, 2014 at 3:15 PM, Maninda Edirisooriya <[email protected]> >> wrote: >> >>> +1. This is very clean to write a publisher. >>> We have to generalize this annotations to become compatible with other >>> publishers. How do we get the BAM/CEP server connection details? >>> Where are we setting the loadbalancing URLs and other Async Publisher >>> related settings? May be we can set them globally per product. (In this >>> case specific for each AS cluster) WDYT? >>> >>> >>> *Maninda Edirisooriya* >>> Senior Software Engineer >>> >>> *WSO2, Inc. *lean.enterprise.middleware. >>> >>> *Blog* : http://maninda.blogspot.com/ >>> *E-mail* : [email protected] >>> *Skype* : @manindae >>> *Twitter* : @maninda >>> >>> >>> On Tue, Jul 22, 2014 at 2:43 PM, Chamil Jeewantha <[email protected]> >>> wrote: >>> >>>> This is a proposal to develop an easy to use, readable Anootation based >>>> Data publisher for BAM. >>>> >>>> When using the AsyncDataPublisher / LoadBalancingDataPublisher, the >>>> programmer must do a significant amount of boilerplate work before he >>>> publish data to the stream. See [1]. >>>> >>>> This will be really easy if we can have annotation based data publisher >>>> which can be used in the following way. >>>> >>>> We write a POJO, annotated with Some Stream Meta Data. >>>> >>>> *Example:* >>>> >>>> @DataStream(name="stat.data.stream", version="1.0.0", nickName="nick >>>> name", description="the description") >>>> public class StatDataStreamEvent{ >>>> >>>> @Column(name="serverName", order=2) >>>> private String serverName; >>>> >>>> @Column(order = 1) // no column name defined. so the name >>>> will be timestamp >>>> private long timestamp; >>>> >>>> @Column(name="id", type=DataType.STRING, order = 3) // the column >>>> data type is String though the field is int. (example only) >>>> private int statId; >>>> >>>> // getters and setters >>>> .... >>>> .... >>>> } >>>> >>>> *Publishing:* >>>> >>>> StatDataStreamEvent event = new StatDataStreamEvent(); >>>> >>>> event.setServerName("The server Name"); >>>> event.setTimestamp(System.currentTimeMillis()); >>>> event.setStatId(5000); >>>> >>>> DataPublisher.publish(event); >>>> >>>> Please improve this with your valuable ideas. >>>> >>>> [1] >>>> http://wso2.com/library/articles/2012/07/creating-custom-agents-publish-events-bamcep/ >>>> >>>> -- >>>> K.D. Chamil Jeewantha >>>> Associate Technical Lead >>>> WSO2, Inc.; http://wso2.com >>>> Mobile: +94716813892 >>>> >>>> >>>> _______________________________________________ >>>> Architecture mailing list >>>> [email protected] >>>> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture >>>> >>>> >>> >>> _______________________________________________ >>> Architecture mailing list >>> [email protected] >>> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture >>> >>> >> >> >> -- >> >> *S. Suhothayan * >> Technical Lead & Team Lead of WSO2 Complex Event Processor >> *WSO2 Inc. *http://wso2.com >> * <http://wso2.com/>* >> lean . enterprise . middleware >> >> >> *cell: (+94) 779 756 757 <%28%2B94%29%20779%20756%20757> | blog: >> http://suhothayan.blogspot.com/ <http://suhothayan.blogspot.com/> twitter: >> http://twitter.com/suhothayan <http://twitter.com/suhothayan> | linked-in: >> http://lk.linkedin.com/in/suhothayan <http://lk.linkedin.com/in/suhothayan>* >> >> _______________________________________________ >> Architecture mailing list >> [email protected] >> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture >> >> > > > -- > K.D. Chamil Jeewantha > Associate Technical Lead > WSO2, Inc.; http://wso2.com > Mobile: +94716813892 > > > _______________________________________________ > Architecture mailing list > [email protected] > https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture > > -- ============================ Srinath Perera, Ph.D. http://people.apache.org/~hemapani/ http://srinathsview.blogspot.com/
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