Christopher Tubbs created ACCUMULO-1726:
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Summary: Typed configuration framework
Key: ACCUMULO-1726
URL: https://issues.apache.org/jira/browse/ACCUMULO-1726
Project: Accumulo
Issue Type: Improvement
Reporter: Christopher Tubbs
Assignee: Christopher Tubbs
Fix For: 1.7.0
The old Property enums were great, but now that we're looking at similar things
for client-side configuration (for ACCUMULO-1009 and others), a more generic
framework might be useful.
Ideas:
* The configuration objects themselves should be generic
(org.apache.commons.configuration.Configuration, or java.util.Properties
preferred... probably the former) so as to be flexible in their construction.
* The possible keys in the configuration objects should be enumerated and come
from a scope-specific source (example: MonitorProperties, TServerProperties,
ClientProperties)
* Use java generics, something like MonitorConfiguration extends
TypedConfiguration<MonitorProperties> and TypedConfiguration<T> extends
Configuration and MonitorProperties extends TypedProperties.
* Sources should be combinable to support multiple scopes in a single
configuration.
* Basic types should be provided and extensible, and validated by the framework.
* Values should be retrievable as any type, provided they validate as the
target type.
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