September 2014
Intermediate to advanced
422 pages
9h 59m
English
Content preview from Microsoft Azure Development Cookbook Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Handling changes to the configuration and topology of a Cloud Service
A Microsoft Azure Cloud Service has to detect and respond to changes to its service configuration. Two types of changes are exposed to the service: changes to the ConfigurationSettings element of the ServiceConfiguration.cscfg service configuration file and changes to the service topology. The latter refers to changes in the number of instances of the various roles that comprise the service.
The RoleEnvironment class exposes six events to which a role can register a callback method to be notified about these changes:
ChangingChangedSimultaneousChangingSimultaneousChangedStoppingStatusCheck
The Changing event is raised before the change is applied to the role. For configuration ...
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