December 2017
Intermediate to advanced
468 pages
13h 12m
English
book
Architectural Patterns
by Anupama Murali, Pethuru Raj, Harihara Subramanian J, Pethuru Raj Chelliah
Content preview from Architectural Patterns
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Shared business function
If the same set of data is stored in multiple systems, it leads to redundancy of data. The functions that are used to handle this data (such as a customer address in the previous example) could be implemented as a shared business function once and exposed as a service to other systems that have the same set of data.
A shared business function can be used as a good functionality to replace redundant data. For example, let us take the case of a customer address that is stored in multiple systems across the organization. Instead of storing the same data in multiple systems, a business function called GetCustomerAddress could be used by a system to fetch the data from other systems instead of permanently storing it.
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