public InspectableObject[] createRows(){
    InspectableObject[] toReturn = new InspectableObject[this.rows.size()];
    for (int i=0; i<toReturn.length;i++){
      toReturn[i] = new InspectableObject();
      toReturn[i].o = rows.get(i);
      toReturn[i].oi = ObjectInspectorFactory.getStandardStructObjectInspector(
          this.columnNames, this.columnTypes);
    }
    return toReturn;
  }
returns the InspectableObject array the builder methods
helped to assemble.
@return InspectableObject array (objects that have data coupled with
and object inspector )
ql/src/test/org/apache/hadoop/hive/ql/testutil/DataBuilder.java