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https://issues.apache.org/jira/browse/SOLR-14003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16993389#comment-16993389
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Andrzej Bialecki commented on SOLR-14003:
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Please provide also alternatives that don't require passing heavy objects - it
should be sufficient to pass a set of args that uniquely identify the
collection / shard, because in some contexts you don't want to create a
{{Slice}} or {{Replica}} objects just to get a shard leader or a replica state.
{{Replica getLeader(Slice slice, int waitTime);}} should throw a checked
exception.
> Refactor code to avoid reading state of replica from the data object
> ----------------------------------------------------------------------
>
> Key: SOLR-14003
> URL: https://issues.apache.org/jira/browse/SOLR-14003
> Project: Solr
> Issue Type: Sub-task
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Noble Paul
> Priority: Major
>
> Deprecate
> * {{Replica#getState()}}
> * {{Replica#isActive()}}
> Use an implementation of {{ShardStateProvider}} to fetch the state
> {code:java}
> /**An implementation that fetches the state of each replica in a collection
> * and it also provides the leader of shards
> *
> */
> public interface ShardStateProvider {
> Replica.State getState(Replica replica);
> /**get the leader
> */
> Replica getLeader(Slice slice);
> /** Wait if there is no leader available*/
> Replica getLeader(Slice slice, int waitTime);
> boolean isActive(Replica replica);
> }
> {code}
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