Ralph Goers created FLUME-1429:
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Summary: PropertiesFileConfigurationProvider is not extendable
Key: FLUME-1429
URL: https://issues.apache.org/jira/browse/FLUME-1429
Project: Flume
Issue Type: Improvement
Components: Node
Affects Versions: v1.2.0
Reporter: Ralph Goers
PropertiesFileConfigurationProvider extends AbstractFileConfiguration.
AbstractFileConfiguration doesn't really do much but provide getters and
setters for a few things. The main logic is in
PropertiesFileConfigurationProvider in the form of the loadChannels,
loadSources and loadSinks methods. However, these methods are all private.
PropertiesFileConfigurationProvider exposes the load method as protected, which
should allow a class extending PropertiesFileConfigurationProvider to override
it. However, since the previously mentioned methods in
PropertiesFileConfigurationProvider are all private they can't be accessed from
the extending class.
In addition, classes extending PropertiesFileConfigurationProvider should be
provided a load method that accepts a Reader or an InputStream so that they can
dynamically create the configuration.
I am building an "embedded Appender" for Log4j 2 and I am essentially having to
write my configuration handling from scratch since there is not good way to
extend these classes. Similarly, a JMX implementation would encounter the same
problems.
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