lucene - SOLR | De-Duplication | Remove duplicate records based on their status -

i indexing 2 different model same data different status.

eg: scenario -1

{model: "aaaa", name: "abc", status: "t"} {model: "bbbb", name: "abc", status: "a"} 

expected output

{model: "bbbb", name: "abc", status: "a"} 

scenario -2

{model: "aaaa", name: "abc", status: "a"} {model: "bbbb", name: "abc", status: "t"} 

expected output

{model: "aaaa", name: "abc", status: "a"} 

scenario -3

{model: "aaaa", name: "abc", status: "a"} {model: "bbbb", name: "abc", status: "a"} 

expected output

{model: "aaaa", name: "abc", status: "a"} either one. 

scenario -4

{model: "aaaa", name: "abc", status: "t"} {model: "bbbb", name: "abc", status: "t"} 

expected output

{model: "aaaa", name: "abc", status: "t"} either one. 

scenario 3 & 4 working expected current configuration have given below.

for scenario 1 & 2 output should based on status of record.

please me fix scenario 1 & 2.

solr version : 5.3

solrconfig.xml

<requesthandler name="/update" class="solr.updaterequesthandler" >   <lst name="defaults">     <str name="update.chain">dedupe</str>   </lst> </requesthandler>  <updaterequestprocessorchain name="dedupe">   <processor class="solr.processor.signatureupdateprocessorfactory">     <bool name="enabled">true</bool>     <str name="signaturefield">signature</str>     <bool name="overwritedupes">true</bool>     <str name="fields">id</str>     <str name="signatureclass">solr.processor.lookup3signature</str>   </processor>   <processor class="solr.logupdateprocessorfactory" />   <processor class="solr.runupdateprocessorfactory" /> </updaterequestprocessorchain>