March 2019
Intermediate to advanced
636 pages
27h 50m
English
book
Blockchain Development with Hyperledger
by Salman A. Baset, Luc Desrosiers, Nitin Gaur, Petr Novotny
Content preview from Blockchain Development with Hyperledger
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Enumerations
Next, we see a set of enumerated types:
enum LetterStatus { o AWAITING_APPROVAL o APPROVED o SHIPPED o RECEIVED o READY_FOR_PAYMENT o CLOSED o REJECTED}
These are the states through which the letter is going to transition. When we access a letter, we're going to be able to identify where the business process is using this enumeration. All the names are fairly self explanatory.
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