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

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

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    case MAP:
      separator = (char) LazyUtils.getSeparator(separators, level);
      char keyValueSeparator =
           (char) LazyUtils.getSeparator(separators, level + 1);

      MapObjectInspector moi = (MapObjectInspector) objInspector;
      ObjectInspector koi = moi.getMapKeyObjectInspector();
      ObjectInspector voi = moi.getMapValueObjectInspector();
      Map<?, ?> map = moi.getMap(obj);
      if (map == null) {
        out.write(nullSequence.getBytes(), 0, nullSequence.getLength());
      } else {
        boolean first = true;
        for (Map.Entry<?, ?> entry : map.entrySet()) {
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    WriteNullsProtocol nullProtocol =
        (oprot instanceof WriteNullsProtocol) ? (WriteNullsProtocol) oprot : null;

    assert (oi.getCategory() == ObjectInspector.Category.MAP);
    MapObjectInspector moi = (MapObjectInspector) oi;
    ObjectInspector koi = moi.getMapKeyObjectInspector();
    ObjectInspector voi = moi.getMapValueObjectInspector();

    Map<?, ?> map = moi.getMap(o);
    serializeMap = new TMap(keyType.getType(), valueType.getType(), map.size());
    oprot.writeMapBegin(serializeMap);

    for (Object element : map.entrySet()) {
      Map.Entry it = (Map.Entry) element;
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          .getListTypeInfo(getTypeInfoFromObjectInspector(loi
          .getListElementObjectInspector()));
      break;
    }
    case MAP: {
      MapObjectInspector moi = (MapObjectInspector) oi;
      result = TypeInfoFactory.getMapTypeInfo(
          getTypeInfoFromObjectInspector(moi.getMapKeyObjectInspector()),
          getTypeInfoFromObjectInspector(moi.getMapValueObjectInspector()));
      break;
    }
    case STRUCT: {
      StructObjectInspector soi = (StructObjectInspector) oi;
      List<? extends StructField> fields = soi.getAllStructFieldRefs();
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    ObjectInspector lazympkeyoi = lazympoi.getMapKeyObjectInspector();
    ObjectInspector lazympvalueoi = lazympoi.getMapValueObjectInspector();

    StructObjectInspector soi2 = rowOI;
    List<? extends StructField> fields2 = soi2.getAllStructFieldRefs();
    MapObjectInspector inputmpoi = (MapObjectInspector) fields2.get(12)
        .getFieldObjectInspector();
    ObjectInspector inputmpkeyoi = inputmpoi.getMapKeyObjectInspector();
    ObjectInspector inputmpvalueoi = inputmpoi.getMapValueObjectInspector();

    int num = 100;
    for (int testi = 0; testi < num; testi++) {

      Map<String, List<MyTestInnerStruct>> mp = new LinkedHashMap<String, List<MyTestInnerStruct>>();
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      // and \0 to terminate
      buffer.write((byte) 0, invert);
      return;
    }
    case MAP: {
      MapObjectInspector moi = (MapObjectInspector) oi;
      ObjectInspector koi = moi.getMapKeyObjectInspector();
      ObjectInspector voi = moi.getMapValueObjectInspector();

      // \1 followed by each key and then each value
      Map<?, ?> map = moi.getMap(o);
      for (Map.Entry<?, ?> entry : map.entrySet()) {
        buffer.write((byte) 1, invert);
        serialize(buffer, entry.getKey(), koi, invert);
        serialize(buffer, entry.getValue(), voi, invert);
      }
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        forwardListObj[0] = r;
        forward(forwardListObj);
      }
      break;
    case MAP:
      MapObjectInspector mapOI = (MapObjectInspector)inputOI;
      Map<?,?> map = mapOI.getMap(o[0]);
      if (map == null) {
        return;
      }
      for (Entry<?,?> r : map.entrySet()) {
        forwardMapObj[0] = r.getKey();
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                  ObjectInspector inspector,
                  StreamFactory writer,
                  boolean nullable) throws IOException {
      super(columnId, inspector, writer, nullable);
      this.isDirectV2 = isNewWriteFormat(writer);
      MapObjectInspector insp = (MapObjectInspector) inspector;
      childrenWriters = new TreeWriter[2];
      childrenWriters[0] =
        createTreeWriter(insp.getMapKeyObjectInspector(), writer, true);
      childrenWriters[1] =
        createTreeWriter(insp.getMapValueObjectInspector(), writer, true);
      lengths = createIntegerWriter(writer.createStream(columnId,
          OrcProto.Stream.Kind.LENGTH), false, isDirectV2);
      recordPosition(rowIndexPosition);
    }
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    @Override
    void write(Object obj) throws IOException {
      super.write(obj);
      if (obj != null) {
        MapObjectInspector insp = (MapObjectInspector) inspector;
        // this sucks, but it will have to do until we can get a better
        // accessor in the MapObjectInspector.
        Map<?, ?> valueMap = insp.getMap(obj);
        lengths.write(valueMap.size());
        for(Map.Entry<?, ?> entry: valueMap.entrySet()) {
          childrenWriters[0].write(entry.getKey());
          childrenWriters[1].write(entry.getValue());
        }
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    Map<Integer, Integer> map = new HashMap<Integer,Integer>();
    map.put(1,2);
    map.put(2,4);
    map.put(3,6);
    MapObjectInspector mapOI = (MapObjectInspector)
        inspector.getAllStructFieldRefs().get(10).getFieldObjectInspector();
    assertEquals(3, mapOI.getMapSize(map));
    assertEquals(4, mapOI.getMapValueElement(map, 2));
  }
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    StructObjectInspector inner = (StructObjectInspector) midli
        .getListElementObjectInspector();
    List<? extends StructField> inFields = inner.getAllStructFieldRefs();
    ListObjectInspector li = (ListObjectInspector) readerInspector
        .getStructFieldRef("list").getFieldObjectInspector();
    MapObjectInspector ma = (MapObjectInspector) readerInspector
        .getStructFieldRef("map").getFieldObjectInspector();
    TimestampObjectInspector tso = (TimestampObjectInspector) readerInspector
        .getStructFieldRef("ts").getFieldObjectInspector();
    HiveDecimalObjectInspector dco = (HiveDecimalObjectInspector) readerInspector
        .getStructFieldRef("decimal1").getFieldObjectInspector();
    StringObjectInspector mk = (StringObjectInspector) ma
        .getMapKeyObjectInspector();
    RecordReader rows = reader.rows();
    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,
        in.get(inner.getStructFieldData(midRow.get(0), inFields.get(0))));
    assertEquals("bye", st.getPrimitiveJavaObject(inner.getStructFieldData(
        midRow.get(0), inFields.get(1))));
    assertEquals(2,
        in.get(inner.getStructFieldData(midRow.get(1), inFields.get(0))));
    assertEquals("sigh", 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,
        in.get(inner.getStructFieldData(list.get(0), inFields.get(0))));
    assertEquals("good", st.getPrimitiveJavaObject(inner.getStructFieldData(
        list.get(0), inFields.get(1))));
    assertEquals(4,
        in.get(inner.getStructFieldData(list.get(1), inFields.get(0))));
    assertEquals("bad", st.getPrimitiveJavaObject(inner.getStructFieldData(
        list.get(1), inFields.get(1))));
    Map<?, ?> map = ma.getMap(readerInspector.getStructFieldData(row,
        fields.get(11)));
    assertEquals(0, map.size());
    assertEquals(Timestamp.valueOf("2000-03-12 15:00:00"),
        tso.getPrimitiveJavaObject(readerInspector.getStructFieldData(row,
            fields.get(12))));
    assertEquals(HiveDecimal.create("12345678.6547456"),
        dco.getPrimitiveJavaObject(readerInspector.getStructFieldData(row,
            fields.get(13))));

    // check the contents of second row
    assertEquals(true, rows.hasNext());
    rows.seekToRow(7499);
    row = rows.next(null);
    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,
        in.get(inner.getStructFieldData(midRow.get(0), inFields.get(0))));
    assertEquals("bye", st.getPrimitiveJavaObject(inner.getStructFieldData(
        midRow.get(0), inFields.get(1))));
    assertEquals(2,
        in.get(inner.getStructFieldData(midRow.get(1), inFields.get(0))));
    assertEquals("sigh", 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,
        in.get(inner.getStructFieldData(list.get(0), inFields.get(0))));
    assertEquals("cat", st.getPrimitiveJavaObject(inner.getStructFieldData(
        list.get(0), inFields.get(1))));
    assertEquals(-100000,
        in.get(inner.getStructFieldData(list.get(1), inFields.get(0))));
    assertEquals("in", st.getPrimitiveJavaObject(inner.getStructFieldData(
        list.get(1), inFields.get(1))));
    assertEquals(1234,
        in.get(inner.getStructFieldData(list.get(2), inFields.get(0))));
    assertEquals("hat", st.getPrimitiveJavaObject(inner.getStructFieldData(
        list.get(2), inFields.get(1))));
    map = ma.getMap(readerInspector.getStructFieldData(row, fields.get(11)));
    assertEquals(2, map.size());
    boolean[] found = new boolean[2];
    for(Object key : map.keySet()) {
      String str = mk.getPrimitiveJavaObject(key);
      if (str.equals("chani")) {
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