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class_7 - Software Engineering 3156 1-Oct-01#7 RPIS and...

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Software Engineering 3156 1-Oct-01 #7: RPIS and Project Phil Gross
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2 Administrivia Groups and questionnaires are locked Talk to Janak or me directly for changes
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3 Review: Concurrency Threads (lightweight processes) Ability to run concurrent sets of code in one process Java: Class should implement Runnable Then create new Thread on this class and start() it Race conditions (fix with locks) Deadlock (fix with timeout [or cycle detection])
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4 RPIS Reusability Portability Interoperability (Scalability) Things to keep in mind early So you’re not trying to force it in later
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5 Basic Reuse: Libraries Library API System Call
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6 Impediments to Reuse Lack of trust / NIH Logistics of reuse Mismatch of features (Kangaroos) Not to mention Ariane 5 (8.3.6)
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7 Successful Reuse: Objects Well, that was the intention in any case Typical language-level objects need some help Discovered somewhat by accident: VBX Lead to JavaBeans and the COM family Windows uses this pretty successfully
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