Marton Elek created HDDS-4494:
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Summary: Provide Guice module to inject configuration to annotated
fields
Key: HDDS-4494
URL: https://issues.apache.org/jira/browse/HDDS-4494
Project: Hadoop Distributed Data Store
Issue Type: Improvement
Reporter: Marton Elek
Assignee: Marton Elek
hadoop-hdds/config project provides a light-weight annotation based
configuration interface. It supports to create an object with injection:
{code:java}
ReplicationConfig replicationConfig :=
ozoneConfig.getObject(replicationConfig); {code}
However, it seems to be hard to inject configuration to the service itself as
usually we inject a lot of other dependencies to the constructor, not just the
configuration.
One possible solution is using a Guice module. Guice is already used by recon,
and this patch adds some optional modules to inject configuration variables to
any service / instance if required.
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