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https://issues.apache.org/jira/browse/SOLR-2638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13061240#comment-13061240
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Noble Paul commented on SOLR-2638:
----------------------------------
I'm preparing a mega patch which abstracts out Zookeeper as a complete plugin.
It also simplifies the configuration
> A CoreContainer Plugin interface to create Container level Services
> -------------------------------------------------------------------
>
> Key: SOLR-2638
> URL: https://issues.apache.org/jira/browse/SOLR-2638
> Project: Solr
> Issue Type: New Feature
> Components: multicore
> Reporter: Noble Paul
> Assignee: Noble Paul
> Attachments: SOLR-2638.patch
>
>
> It can help register services such as Zookeeper .
> interface
> {code:java}
> public abstract class ContainerPlugin {
> /**Called before initializing any core.
> * @param container
> * @param attrs
> */
> public abstract void init(CoreContainer container, Map<String,String>
> attrs);
> /**Callback after all cores are initialized
> */
> public void postInit(){}
> /**Callback after each core is created, but before registration
> * @param core
> */
> public void onCoreCreate(SolrCore core){}
> /**Callback for server shutdown
> */
> public void shutdown(){}
> }
> {code}
> It may be specified in solr.xml as
> {code:xml}
> <solr>
> <plugin name="zk" class="solr.ZookeeperService" param1="val1" param2="val2"
> zkClientTimeout="8000"/>
> <cores adminPath="/admin/cores" defaultCoreName="collection1"
> host="127.0.0.1" hostPort="${hostPort:8983}" hostContext="solr" >
> <core name="collection1" shard="${shard:}"
> collection="${collection:collection1}" config="${solrconfig:solrconfig.xml}"
> instanceDir="."/>
> </cores>
> </solr>
> {code}
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