OMS 3 essentials

OMS3 stands for Object Modelling System version 3 (see also this page here). Now it has also a server-side companion called Cloud Service Integration platform, CSIP. You can find information about OMS3 here:

• A brief introduction to the Object Modelling System (YouTube video). 
• OMS User Manual - Introduction (pdf, epub) 

The rational for a components-based modelling system can be found here 

A version of OMS3 source code is here.

For more general information you can browse the various dedicated posts in this blog.

For running it, you have to perform various installations. If can go to to the easiest path provided by 

• the GEOframe blog

Otherwise, if you prefer to go through all the details, give a look  to the short notes below. 

• Java. GEOframe and OMS are written in Java and they require to have installed Java on your computer. Here you can find instructions to install Java on your computer. OMS need Java 8 JDK. Please note that you need the Java Development Toolkit (JDK) installed not the Java Runtime Environment (JRE). The official Oracle's pages are here but we now want to use AdoptOpenJDK (see why here). Recently, for simplify these installations,  and the companion installations of the system GEOFrame built upon OMS3, we have used the Anaconda Environment, here. 

There are various ways to use OMS. The most important two are using Docker or using the OMSConsole (the latter is not really up-to-date). Please notice that the OMS console still works for Java 8, while the Docker version can work with the most recent Java version (this does not implies that your OMS components work with it, if they contain some dependence on old Java versions).

• The Docker way. Therefore you need to install it (here for Linuxes) on your computer. To quickly understand what Docker is, you can see here. Or read this tutorial. This video could be useful too. The knowledge of Docker required will be extremely elementary. You will not be required to do Docker applications. You simply use one and, at the end, is just matter of executing a command. The Docker hub for OMS is at https://hub.docker.com/r/omslab/oms/. Please check also the trouble shooting pages. using docker, usually, makes available the most recent version of the software. The CSIP Docker tools are at https://hub.docker.com/u/omslab
• The Console way. The OMS system installation traditional information can be found here: https://alm.engr.colostate.edu/cb/wiki/16961 and https://alm.engr.colostate.edu/cb/wiki/17107. 
• For geeks, OMS and CSIP are available at maven central: https://mvnrepository.com/artifact/edu.colostate.omslab (never tried so far). 

References

• David, O., Ascough, J. C., II, Lloyd, W., Green, T. R., Rojas, K. W., Leavesley, G. H., & Ahuja, L. R. (2012). A software engineering perspective on environmental modeling framework design: The Object Modeling System. Environmental Modelling and Software, 39, 1–13. http://doi.org/10.1016/j.envsoft.2012.03.006

To have a recent overview of the subject jointly with our GEOframe stuff, one can also give a look to 

• Marialaura Bancheri's dissertation (Mostly on application within GEOframe)
• Francesco Serafin dissertation (On various structural things about OMS3)

Further information

Our development regarding the Net3 (Francesco Serafin's work): https://alm.engr.colostate.edu/cb/repository/24720 

Hopefully they will merge soon in an official release. All the "alm" repo at present require a password that can be asked to Olaf David (odavid <at> colostate. edu) col.