Markus Jelsma created SOLR-8673:
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Summary: o.a.s.search.facet classes not public/extendable
Key: SOLR-8673
URL: https://issues.apache.org/jira/browse/SOLR-8673
Project: Solr
Issue Type: Improvement
Affects Versions: 5.4.1
Reporter: Markus Jelsma
Fix For: 5.5, master
It is not easy to create a custom JSON facet function. A simple function based
on AvgAgg quickly results in the following compilation failures:
{code}
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.3:compile (default-compile) on
project openindex-solr: Compilation failure: Compilation failure:
[ERROR]
/home/markus/projects/openindex/solr/trunk/src/main/java/i.o.s.search/facet/CustomAvgAgg.java:[22,36]
org.apache.solr.search.facet.FacetContext is not public in
org.apache.solr.search.facet; cannot be accessed from outside package
[ERROR]
/home/markus/projects/openindex/solr/trunk/src/main/java/i.o.s.search/facet/CustomAvgAgg.java:[23,36]
org.apache.solr.search.facet.FacetDoubleMerger is not public in
org.apache.solr.search.facet; cannot be accessed from outside package
[ERROR]
/home/markus/projects/openindex/solr/trunk/src/main/java/i.o.s.search/facet/CustomAvgAgg.java:[40,32]
cannot find symbol
[ERROR] symbol: class FacetContext
[ERROR] location: class i.o.s.search.facet.CustomAvgAgg
[ERROR]
/home/markus/projects/openindex/solr/trunk/src/main/java/i.o.s.search/facet/CustomAvgAgg.java:[49,39]
cannot find symbol
[ERROR] symbol: class FacetDoubleMerger
[ERROR] location: class i.o.s.search.facet.CustomAvgAgg
[ERROR]
/home/markus/projects/openindex/solr/trunk/src/main/java/i.o.s.search/facet/CustomAvgAgg.java:[54,43]
cannot find symbol
[ERROR] symbol: class Context
[ERROR] location: class i.o.s.search.facet.CustomAvgAgg.Merger
[ERROR]
/home/markus/projects/openindex/solr/trunk/src/main/java/i.o.s.search/facet/CustomAvgAgg.java:[41,16]
cannot find symbol
[ERROR] symbol: class AvgSlotAcc
[ERROR] location: class i.o.s.search.facet.CustomAvgAgg
[ERROR]
/home/markus/projects/openindex/solr/trunk/src/main/java/i.o.s.search/facet/CustomAvgAgg.java:[46,12]
incompatible types: i.o.s.search.facet.CustomAvgAgg.Merger cannot be converted
to org.apache.solr.search.facet.FacetMerger
[ERROR]
/home/markus/projects/openindex/solr/trunk/src/main/java/i.o.s.search/facet/CustomAvgAgg.java:[53,5]
method does not override or implement a method from a supertype
[ERROR]
/home/markus/projects/openindex/solr/trunk/src/main/java/i.o.s.search/facet/CustomAvgAgg.java:[60,5]
method does not override or implement a method from a supertype
{code}
It seems lots of classes are tucked away in FacetModule, which we can't reach
from outside.
Originates from this thread:
http://mail-archives.apache.org/mod_mbox/lucene-solr-user/201602.mbox/%3ccab_8yd9ldbg_0zxm_h1igkfm6bqeypd5ilyy7tty8cztscv...@mail.gmail.com%3E
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