asynchrmi 1.2 released

quest — Thu, 02 Jul 2015 13:33:43 +0000

asynchrmi goes to version 1.2. This is the first production-ready release. Its core features seems to serve us well.

For those who used earlier snapshots, note that there is an interface change in the ChainBuilder. It now uses a common object called a ChainResult. In traditional Promise programming, each group of tasks typically feed the next step. When using asynchrmi we foung that we needed to gradually build up a data by successive layers of relation lookups. Only at the end do we have enough data to produce the actual result (i.e. a web page).

Maven dependency looks thus:

   <dependency>
     <groupId>net.windwards</groupId>
     <artifactId>asynchrmi</artifactId>
     <version>1.3-SNAPSHOT</version>
   </dependency>

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java-programming

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asynchrmi

asynchrmi helps writing JBoss RMI clients

quest — Fri, 15 Aug 2014 09:33:01 +0000

I have started a new project called asynchrmi. The purpose of this lib is to make it simpler to write serious applications that calls a JBoss application server.

We were in the process of writing a modern web frontend to our car-sharing system when we concluded that: 1) making many parallel calls to JBoss as different users didn't work, and 2) that because of the heavily relational datamodel (a typical Hibernate model) you needed to make several calls to get all the data you wanted - calls that could be parallelized.

In order to encourage the building of a vocabulary, I wrote a simple library called asynchrmi that enables threadpool-mediated, Future- and/or callback-driven client JNP operations that will be safely threaded.

The project is still in early stages, but has proved useful and robust.

The big missing piece is the ability to inject RMI endpoints on RMITask objects so that all the tedious lookups can be compressed (and ideally performed in parallel).

Please note that this is a large hammer. You can easily sink your application server, either via lock-death or through load-death. Proceed with caution.