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Learning Cascading by Victoria Loewengart, Michael Covert

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Chapter 5. Code Reuse and Integration

In this chapter, you will learn how to assemble reusable code, how to integrate Cascading with external systems, and how to use Cascading instrumentation effectively to track and control execution. Specifically, we will discuss how Cascading fits into the overall processing infrastructure. You will also learn to create more complex workflows and to control intermediate files using Cascading.

Creating and using subassemblies

Code reusability is the holy grail of software development. Cascading renders itself beautifully to this concept. In Cascading it is relatively simple to create basic building blocks out of pipe assemblies. These building blocks are known as pipe subassemblies, which you can organize into ...

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