Istituto di Scienza e Tecnologie dell'Informazione     
Dazzi P., Aldinucci M., Danelutto M., Kilpatrick P. From ORC models to distributed Grid Java code. In: CGIW - Integrated Research in Grid Computing Workshop (Hersonissos, Crete, Greece, 2-4 Aprile 2008). Proceedings, pp. 2 - 13. Foundation for Research and Technology - Hellas, 2008.
We present O2J, a Java library that allows implementation of Orc programs on distributed architectures including grids and clusters/networks of workstations. With minimal programming effort the grid programmer may implement Orc programs, as he/she is not required to write any low level code relating to distributed orchestration of the computation but only that required to implement Orc expressions. Using the prototype O2J implementation, grid application developers can reason about abstract grid orchestration code described in Orc. Once the required orchestration has been determined and its properties analysed, a grid application prototype can be simply, efficiently and quickly implemented by taking the Orc code, rewriting it into corresponding Java/O2J syntax and finally providing the functional code implementing the sites and processes involved. The proposed modus operandi brings a Model Driven Engineering approach to grid application development.
Subject Grid
Model-driven engineering
D.3.4 Processors

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