Hello All,

Can some one explain me following snippet of SolrConfig.xml in terms of
Solr API (Java Psuedo Code) for better understanding.

like
*<updateHandler class=solr.DirectUpdateHandler2>*
*             *
*                     <UpdateLog>*
*                           <str dir="BLAH" />*
*                    </UpdateLog>*
**
**
*....*
*</UpdateHandler>*


Here I want to know .

1. What is "updateHandler" ? Is it some Package or class of interface ?
2. Whats is solr.DirectUpdateHandler2 ? Is it class
3. What is "updateLog" ? is it package ?
4. How do we know that UpdateLog have sub-element "dir" ?
5. how do we know that "updateLog" would be sub-element of "updateHandler"
?? Is "updateLog" some kind of subClass of something else ?


I KNOW that all these things are given in SolConfig.xml but I donot want to
cram those things .

One example of jetty.xml whatever we write there , it can be translated to
JAVA psuedo code

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