public THRegionInfo setReplicaId(int replicaId) {
    this.replicaId = replicaId;
    setReplicaIdIsSet(true);
    return this;
  }
Returns true if field split is set (has been assigned a value) and false otherwise
hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/generated/THRegionInfo.java