Reactive Design Patterns

Chapter 14. Resource-management patterns

One concern that most systems share is that you need to manage or represent resources: file storage space, computation power, access to databases or web APIs, physical devices like printers and card readers, and many more. A component that you create may provide such a resource to the rest of the system on its own, or you may need to incorporate external resources. In this chapter, we will discuss patterns for dealing with resources in Reactive applications. In particular, we will look at the following:

• The Resource Encapsulation pattern
• The Resource Loan pattern
• The Complex Command pattern
• The Resource Pool pattern
• Patterns for managed blocking

In the previous two chapters, we introduced the ...