@Override
  public void onCreate(Extensible<Cache> source, Extensible<Cache> target) {
    // This is called when CacheCreation (source) is turned into a GemfireCacheImpl (target)
    // nothing to do there.
  }
Finish creating the lucene index after the data region is created .

Public because this is called by the Xml parsing code
geode-lucene/src/main/java/org/apache/geode/cache/lucene/internal/LuceneServiceImpl.java