public TColumnFamilyDescriptor setDfsReplication(short dfsReplication) {
    this.dfsReplication = dfsReplication;
    setDfsReplicationIsSet(true);
    return this;
  }
Returns true if field compressionType is set (has been assigned a value) and false otherwise
hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/generated/TColumnFamilyDescriptor.java