Package org.apache.hadoop.hive.serde2.objectinspector

Examples of org.apache.hadoop.hive.serde2.objectinspector.ListObjectInspector

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          sb.append(o.toString());
        }
        break;
      }
      case LIST: {
        ListObjectInspector loi = (ListObjectInspector)oi;
        ObjectInspector listElementObjectInspector = loi.getListElementObjectInspector();
        List<?> olist = loi.getList(o);
        if (olist == null) {
          sb.append("null");
        } else {
          sb.append(LBRACKET);
          for (int i=0; i<olist.size(); i++) {
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    if (arguments[0].get() == null) {
      return null;
    }

    Object array = arguments[0].get();
    ListObjectInspector arrayOI = (ListObjectInspector) argumentOIs[0];
    ArrayList retArray = (ArrayList) arrayOI.getList(array);
    Collections.sort(retArray);

    ret.clear();
    for (int i = 0; i < retArray.size(); i++) {
      ret.add(converters[0].convert(retArray.get(i)));
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        } else {
          sb.append(separator);
        }
        if (argumentOIs[i].getCategory().equals(Category.LIST)) {
          Object strArray = arguments[i].get();
          ListObjectInspector strArrayOI = (ListObjectInspector) argumentOIs[i];
          boolean strArrayFirst = true;
          for (int j = 0; j < strArrayOI.getListLength(strArray); j++) {
            if (strArrayFirst) {
              strArrayFirst = false;
            } else {
              sb.append(separator);
            }
            sb.append(strArrayOI.getListElement(strArray, j));
          }
        } else {
          sb.append(((StringObjectInspector) argumentOIs[i])
            .getPrimitiveJavaObject(arguments[i].get()));
        }
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        }
      }
      break;
    }
    case LIST: {
      ListObjectInspector loi = (ListObjectInspector) oi;
      ObjectInspector listElementObjectInspector = loi
          .getListElementObjectInspector();
      List<?> olist = loi.getList(o);
      if (olist == null) {
        sb.append("null");
      } else {
        sb.append(LBRACKET);
        for (int i = 0; i < olist.size(); i++) {
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        return true;
      }
      return false;
    }
    case LIST: {
      ListObjectInspector loi = (ListObjectInspector) oi;
      ObjectInspector listElementObjectInspector = loi
          .getListElementObjectInspector();
      List<?> olist = loi.getList(o);
      if (olist == null) {
        return true;
      } else {
        // there are no elements in the list
        if (olist.size() == 0) {
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                        throw new RuntimeException("Unknown primitive type: " + primitiveObjectInspector.getPrimitiveCategory());
                }
                break;
            }
            case LIST: {
                ListObjectInspector listInspector = (ListObjectInspector) objectInspector;
                List<?> objectList = listInspector.getList(object);
                if (objectList == null) {
                    generator.writeNull();
                }
                else {
                    generator.writeStartArray();
                    ObjectInspector elementInspector = listInspector.getListElementObjectInspector();
                    for (Object element : objectList) {
                        buildJsonString(generator, element, elementInspector);
                    }
                    generator.writeEndArray();
                }
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        } else {
          oi = sf.getFieldObjectInspector();
        }
      } else if (oi instanceof ListObjectInspector
          && names[i].equalsIgnoreCase("$elem$")) {
        ListObjectInspector loi = (ListObjectInspector) oi;
        oi = loi.getListElementObjectInspector();
      } else if (oi instanceof MapObjectInspector
          && names[i].equalsIgnoreCase("$key$")) {
        MapObjectInspector moi = (MapObjectInspector) oi;
        oi = moi.getMapKeyObjectInspector();
      } else if (oi instanceof MapObjectInspector
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        getStructFieldRef("string1").getFieldObjectInspector();
    StructObjectInspector mid = (StructObjectInspector) readerInspector.
        getStructFieldRef("middle").getFieldObjectInspector();
    List<? extends StructField> midFields =
        mid.getAllStructFieldRefs();
    ListObjectInspector midli =
        (ListObjectInspector) midFields.get(0).getFieldObjectInspector();
    StructObjectInspector inner = (StructObjectInspector)
        midli.getListElementObjectInspector();
    List<? extends StructField> inFields = inner.getAllStructFieldRefs();
    IntObjectInspector inner_in = (IntObjectInspector) inFields.get(0).getFieldObjectInspector();
    StringObjectInspector inner_st = (StringObjectInspector) inFields.get(1).getFieldObjectInspector();
    ListObjectInspector li = (ListObjectInspector) readerInspector.
        getStructFieldRef("list").getFieldObjectInspector();
    MapObjectInspector ma = (MapObjectInspector) readerInspector.
        getStructFieldRef("map").getFieldObjectInspector();
    StructObjectInspector lc = (StructObjectInspector)
        li.getListElementObjectInspector();
    StringObjectInspector mk = (StringObjectInspector)
        ma.getMapKeyObjectInspector();
    StructObjectInspector mv = (StructObjectInspector)
        ma.getMapValueObjectInspector();
    RecordReader rows = reader.rows(null);
    Object row = rows.next(null);
    assertNotNull(row);
    // check the contents of the first row
    assertEquals(false,
        bo.get(readerInspector.getStructFieldData(row, fields.get(0))));
    assertEquals(1, by.get(readerInspector.getStructFieldData(row,
        fields.get(1))));
    assertEquals(1024, sh.get(readerInspector.getStructFieldData(row,
        fields.get(2))));
    assertEquals(65536, in.get(readerInspector.getStructFieldData(row,
        fields.get(3))));
    assertEquals(Long.MAX_VALUE, lo.get(readerInspector.
        getStructFieldData(row, fields.get(4))));
    assertEquals(1.0, fl.get(readerInspector.getStructFieldData(row,
        fields.get(5))), 0.00001);
    assertEquals(-15.0, dbl.get(readerInspector.getStructFieldData(row,
        fields.get(6))), 0.00001);
    assertEquals(bytes(0,1,2,3,4), bi.getPrimitiveWritableObject(
        readerInspector.getStructFieldData(row, fields.get(7))));
    assertEquals("hi", st.getPrimitiveJavaObject(readerInspector.
        getStructFieldData(row, fields.get(8))));
    List<?> midRow = midli.getList(mid.getStructFieldData(readerInspector.
        getStructFieldData(row, fields.get(9)), midFields.get(0)));
    assertNotNull(midRow);
    assertEquals(2, midRow.size());
    assertEquals(1, inner_in.get(inner.getStructFieldData(midRow.get(0),
        inFields.get(0))));
    assertEquals("bye", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (midRow.get(0), inFields.get(1))));
    assertEquals(2, inner_in.get(inner.getStructFieldData(midRow.get(1),
        inFields.get(0))));
    assertEquals("sigh", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (midRow.get(1), inFields.get(1))));
    List<?> list = li.getList(readerInspector.getStructFieldData(row,
        fields.get(10)));
    assertEquals(2, list.size());
    assertEquals(3, inner_in.get(inner.getStructFieldData(list.get(0),
        inFields.get(0))));
    assertEquals("good", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (list.get(0), inFields.get(1))));
    assertEquals(4, inner_in.get(inner.getStructFieldData(list.get(1),
        inFields.get(0))));
    assertEquals("bad", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (list.get(1), inFields.get(1))));
    Map<?,?> map = ma.getMap(readerInspector.getStructFieldData(row,
        fields.get(11)));
    assertEquals(0, map.size());

    // check the contents of second row
    assertEquals(true, rows.hasNext());
    row = rows.next(row);
    assertEquals(true,
        bo.get(readerInspector.getStructFieldData(row, fields.get(0))));
    assertEquals(100, by.get(readerInspector.getStructFieldData(row,
        fields.get(1))));
    assertEquals(2048, sh.get(readerInspector.getStructFieldData(row,
        fields.get(2))));
    assertEquals(65536, in.get(readerInspector.getStructFieldData(row,
        fields.get(3))));
    assertEquals(Long.MAX_VALUE, lo.get(readerInspector.
        getStructFieldData(row, fields.get(4))));
    assertEquals(2.0, fl.get(readerInspector.getStructFieldData(row,
        fields.get(5))), 0.00001);
    assertEquals(-5.0, dbl.get(readerInspector.getStructFieldData(row,
        fields.get(6))), 0.00001);
    assertEquals(bytes(), bi.getPrimitiveWritableObject(
        readerInspector.getStructFieldData(row, fields.get(7))));
    assertEquals("bye", st.getPrimitiveJavaObject(readerInspector.
        getStructFieldData(row, fields.get(8))));
    midRow = midli.getList(mid.getStructFieldData(readerInspector.
        getStructFieldData(row, fields.get(9)), midFields.get(0)));
    assertNotNull(midRow);
    assertEquals(2, midRow.size());
    assertEquals(1, inner_in.get(inner.getStructFieldData(midRow.get(0),
        inFields.get(0))));
    assertEquals("bye", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (midRow.get(0), inFields.get(1))));
    assertEquals(2, inner_in.get(inner.getStructFieldData(midRow.get(1),
        inFields.get(0))));
    assertEquals("sigh", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (midRow.get(1), inFields.get(1))));
    list = li.getList(readerInspector.getStructFieldData(row,
        fields.get(10)));
    assertEquals(3, list.size());
    assertEquals(100000000, inner_in.get(inner.getStructFieldData(list.get(0),
        inFields.get(0))));
    assertEquals("cat", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
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    }

    List<Object> list = new ArrayList<Object>();
    list.addAll(Arrays.asList(0,1,2,3,4,5,6,7,8,9,10,11,12));
    assertEquals(list, inspector.getStructFieldsDataAsList(s1));
    ListObjectInspector listOI = (ListObjectInspector)
        inspector.getAllStructFieldRefs().get(12).getFieldObjectInspector();
    assertEquals(ObjectInspector.Category.LIST, listOI.getCategory());
    assertEquals(10, listOI.getListElement(list, 10));
    assertEquals(13, listOI.getListLength(list));

    Map<Integer, Integer> map = new HashMap<Integer,Integer>();
    map.put(1,2);
    map.put(2,4);
    map.put(3,6);
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        getStructFieldRef("string1").getFieldObjectInspector();
    StructObjectInspector mid = (StructObjectInspector) readerInspector.
        getStructFieldRef("middle").getFieldObjectInspector();
    List<? extends StructField> midFields =
        mid.getAllStructFieldRefs();
    ListObjectInspector midli =
        (ListObjectInspector) midFields.get(0).getFieldObjectInspector();
    StructObjectInspector inner = (StructObjectInspector)
        midli.getListElementObjectInspector();
    List<? extends StructField> inFields = inner.getAllStructFieldRefs();
    IntObjectInspector inner_in = (IntObjectInspector) inFields.get(0).getFieldObjectInspector();
    StringObjectInspector inner_st = (StringObjectInspector) inFields.get(1).getFieldObjectInspector();
    ListObjectInspector li = (ListObjectInspector) readerInspector.
        getStructFieldRef("list").getFieldObjectInspector();
    MapObjectInspector ma = (MapObjectInspector) readerInspector.
        getStructFieldRef("map").getFieldObjectInspector();
    StructObjectInspector lc = (StructObjectInspector)
        li.getListElementObjectInspector();
    StringObjectInspector mk = (StringObjectInspector)
        ma.getMapKeyObjectInspector();
    StructObjectInspector mv = (StructObjectInspector)
        ma.getMapValueObjectInspector();
    RecordReader rows = reader.rows(null);
    Object row = rows.next(null);
    assertNotNull(row);
    // check the contents of the first row
    assertEquals(false,
        bo.get(readerInspector.getStructFieldData(row, fields.get(0))));
    assertEquals(1, by.get(readerInspector.getStructFieldData(row,
        fields.get(1))));
    assertEquals(1024, sh.get(readerInspector.getStructFieldData(row,
        fields.get(2))));
    assertEquals(65536, in.get(readerInspector.getStructFieldData(row,
        fields.get(3))));
    assertEquals(Long.MAX_VALUE, lo.get(readerInspector.
        getStructFieldData(row, fields.get(4))));
    assertEquals(1.0, fl.get(readerInspector.getStructFieldData(row,
        fields.get(5))), 0.00001);
    assertEquals(-15.0, dbl.get(readerInspector.getStructFieldData(row,
        fields.get(6))), 0.00001);
    assertEquals(bytes(0,1,2,3,4), bi.getPrimitiveWritableObject(
        readerInspector.getStructFieldData(row, fields.get(7))));
    assertEquals("hi", st.getPrimitiveJavaObject(readerInspector.
        getStructFieldData(row, fields.get(8))));
    List<?> midRow = midli.getList(mid.getStructFieldData(readerInspector.
        getStructFieldData(row, fields.get(9)), midFields.get(0)));
    assertNotNull(midRow);
    assertEquals(2, midRow.size());
    assertEquals(1, inner_in.get(inner.getStructFieldData(midRow.get(0),
        inFields.get(0))));
    assertEquals("bye", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (midRow.get(0), inFields.get(1))));
    assertEquals(2, inner_in.get(inner.getStructFieldData(midRow.get(1),
        inFields.get(0))));
    assertEquals("sigh", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (midRow.get(1), inFields.get(1))));
    List<?> list = li.getList(readerInspector.getStructFieldData(row,
        fields.get(10)));
    assertEquals(2, list.size());
    assertEquals(3, inner_in.get(inner.getStructFieldData(list.get(0),
        inFields.get(0))));
    assertEquals("good", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (list.get(0), inFields.get(1))));
    assertEquals(4, inner_in.get(inner.getStructFieldData(list.get(1),
        inFields.get(0))));
    assertEquals("bad", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (list.get(1), inFields.get(1))));
    Map<?,?> map = ma.getMap(readerInspector.getStructFieldData(row,
        fields.get(11)));
    assertEquals(0, map.size());

    // check the contents of second row
    assertEquals(true, rows.hasNext());
    row = rows.next(row);
    assertEquals(true,
        bo.get(readerInspector.getStructFieldData(row, fields.get(0))));
    assertEquals(100, by.get(readerInspector.getStructFieldData(row,
        fields.get(1))));
    assertEquals(2048, sh.get(readerInspector.getStructFieldData(row,
        fields.get(2))));
    assertEquals(65536, in.get(readerInspector.getStructFieldData(row,
        fields.get(3))));
    assertEquals(Long.MAX_VALUE, lo.get(readerInspector.
        getStructFieldData(row, fields.get(4))));
    assertEquals(2.0, fl.get(readerInspector.getStructFieldData(row,
        fields.get(5))), 0.00001);
    assertEquals(-5.0, dbl.get(readerInspector.getStructFieldData(row,
        fields.get(6))), 0.00001);
    assertEquals(bytes(), bi.getPrimitiveWritableObject(
        readerInspector.getStructFieldData(row, fields.get(7))));
    assertEquals("bye", st.getPrimitiveJavaObject(readerInspector.
        getStructFieldData(row, fields.get(8))));
    midRow = midli.getList(mid.getStructFieldData(readerInspector.
        getStructFieldData(row, fields.get(9)), midFields.get(0)));
    assertNotNull(midRow);
    assertEquals(2, midRow.size());
    assertEquals(1, inner_in.get(inner.getStructFieldData(midRow.get(0),
        inFields.get(0))));
    assertEquals("bye", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (midRow.get(0), inFields.get(1))));
    assertEquals(2, inner_in.get(inner.getStructFieldData(midRow.get(1),
        inFields.get(0))));
    assertEquals("sigh", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (midRow.get(1), inFields.get(1))));
    list = li.getList(readerInspector.getStructFieldData(row,
        fields.get(10)));
    assertEquals(3, list.size());
    assertEquals(100000000, inner_in.get(inner.getStructFieldData(list.get(0),
        inFields.get(0))));
    assertEquals("cat", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
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