public RegionInfo getRegionInfo() {
    return regionInfo;
  }
Handles opening of a region on a region server.
<p>
This is executed after receiving an OPEN RPC from the master or client.
@deprecated Keep it here only for compatible
@see AssignRegionHandler
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/handler/OpenRegionHandler.java