: As a foolish dev (not malicious I hope!), I did mess around with something : like this once; I was writing my own Codec. I found I had to create a file : called META-INF/services/org.apache.lucene.codecs.Codec in my solr plugin jar : that contained the fully-qualified class name of my codec: I guess this : registers it with the SPI framework so it can be found by name? I'm not
Yep, that's how SPI works - the important bits are mentioned/linked in the PostingsFormat (and other SPI related classes in lucene) javadocs... https://lucene.apache.org/core/4_10_2/core/org/apache/lucene/codecs/PostingsFormat.html https://docs.oracle.com/javase/7/docs/api/java/util/ServiceLoader.html?is-external=true -Hoss http://www.lucidworks.com/
