code: @Override
      public List readAll(final String tableName, Class clazz, EntityMetadata m, final List<Object> rowKey,
              List<String> relationNames, String... columns) throws IOException
      {
          Table hTable = gethTable(tableName);
          List<HBaseDataWrapper> results = ((HBaseReader) hbaseReader).loadAll(hTable, rowKey, null, columns);
          return onRead(m, null, hTable, results);
      }
docs: /*
  (non-Javadoc)
  
  @see
  com.impetus.client.hbase.admin.DataHandler#readData(java.lang.String,
  java.lang.Class, com.impetus.kundera.metadata.model.EntityMetadata,
  java.lang.String, java.util.List)