code: public void copy() throws HectorException {
  		if (this.cf == null) {
  			throw new HectorException("Unable to clone row with null column family");
  		}
  		if (this.rowKey == null) {
  			throw new HectorException("Unable to clone row with null row key");
  		}
  		if (this.destinationKey == null) {
  			throw new HectorException("Unable to clone row with null clone key");
  		}
  
  		ColumnFamilyTemplate<K, ByteBuffer> template = new ThriftColumnFamilyTemplate<K, ByteBuffer>(this.keyspace, this.cf, this.keySerializer, this.bs);
  		Mutator<K> mutator = HFactory.createMutator(this.keyspace, this.keySerializer, new BatchSizeHint(1, this.mutateInterval));
  		ColumnFamilyUpdater<K, ByteBuffer> updater = template.createUpdater(this.destinationKey, mutator);
  
  		SliceQuery<K, ByteBuffer, ByteBuffer> query = HFactory.createSliceQuery(this.keyspace, this.keySerializer, this.bs, this.bs).
  						setColumnFamily(this.cf).
  						setKey(this.rowKey);
  
  		ColumnSliceIterator<K, ByteBuffer, ByteBuffer> iterator = new ColumnSliceIterator<K, ByteBuffer, ByteBuffer>(query, this.bs.fromBytes(new byte[0]), this.bs.fromBytes(new byte[0]), false);
  		while (iterator.hasNext()) {
  			HColumn<ByteBuffer, ByteBuffer> column = iterator.next();
  			updater.setValue(column.getName(), column.getValue(), this.bs);
  		}
  
  		template.update(updater);
  	}
docs: Copy the source row to the destination row.
  
  @throws HectorException if any required fields are not set