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

Examples of org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorConverters.Converter

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  @Test
  /**
   * Tests calling seekToRow to make sure it updates the stripe accordingly
   */
  public void testSeekToRow() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (IntStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }
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  /**
   * Tests that when a reader is initialized using offset, length the stripes included are
   * those that start in the range [offset, offset + length)
   */
  public void testSplitStripe() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (IntStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }
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        if (converters == null) {
          converters = new HashMap<ObjectInspector, Converter>();
        }
       
        Converter converter = converters.get(oi);
        if (converter == null) {
          converter = ObjectInspectorConverters.getConverter(oi, returnObjectInspector);
          converters.put(oi, converter);
        }
        converted = converter.convert(o);
      }
      return converted;
    }
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      // Create the converters
      conversionNeeded = false;
      converters = new Converter[parameterOIs.length];
      for (int i = 0; i < parameterOIs.length; i++) {
        Converter pc = ObjectInspectorConverters
            .getConverter(parameterOIs[i], methodParameterOIs[i]);
        converters[i] = pc;
        // Conversion is needed?
        conversionNeeded = conversionNeeded || (!(pc instanceof IdentityConverter));
      }
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        if (converters == null) {
          converters = new HashMap<ObjectInspector, Converter>();
        }
       
        Converter converter = converters.get(oi);
        if (converter == null) {
          converter = ObjectInspectorConverters.getConverter(oi, returnObjectInspector);
          converters.put(oi, converter);
        }
        converted = converter.convert(o);
      }
      return converted;
    }
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      assert(parameters.length == acceptedParameters.length);
     
      for (int i = 0; i < parameters.length; i++) {
        ObjectInspector acceptedParameterOI = PrimitiveObjectInspectorFactory
            .getPrimitiveObjectInspectorFromClass((Class<?>)acceptedParameters[i]);
        Converter pc = ObjectInspectorConverters
            .getConverter(parameters[i], acceptedParameterOI);
        // Conversion is needed?
        if (pc != null) {
          if (converters == null) {
            // init converters only if needed.
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public class TestObjectInspectorConverters extends TestCase {

  public void testObjectInspectorConverters() throws Throwable {
    try {
      // Boolean
      Converter booleanConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableBooleanObjectInspector);
      assertEquals("BooleanConverter",
          new BooleanWritable(false),
          booleanConverter.convert(Integer.valueOf(0))
          );
      assertEquals("BooleanConverter",
          new BooleanWritable(true),
          booleanConverter.convert(Integer.valueOf(1))
          );
     
      // Byte
      Converter byteConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableByteObjectInspector);
      assertEquals("ByteConverter",
          new ByteWritable((byte)0),
          byteConverter.convert(Integer.valueOf(0))
          );
      assertEquals("ByteConverter",
          new ByteWritable((byte)1),
          byteConverter.convert(Integer.valueOf(1))
          );
     
      // Short
      Converter shortConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableShortObjectInspector);
      assertEquals("ShortConverter",
          new ShortWritable((short)0),
          shortConverter.convert(Integer.valueOf(0))
          );
      assertEquals("ShortConverter",
          new ShortWritable((short)1),
          shortConverter.convert(Integer.valueOf(1))
          );
     
      // Int
      Converter intConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableIntObjectInspector);
      assertEquals("IntConverter",
          new IntWritable((int)0),
          intConverter.convert(Integer.valueOf(0))
          );
      assertEquals("IntConverter",
          new IntWritable((int)1),
          intConverter.convert(Integer.valueOf(1))
          );
     
      // Long
      Converter longConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableLongObjectInspector);
      assertEquals("LongConverter",
          new LongWritable((long)0),
          longConverter.convert(Integer.valueOf(0))
          );
      assertEquals("LongConverter",
          new LongWritable((long)1),
          longConverter.convert(Integer.valueOf(1))
          );
     
      // Float
      Converter floatConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableFloatObjectInspector);
      assertEquals("LongConverter",
          new FloatWritable((float)0),
          floatConverter.convert(Integer.valueOf(0))
          );
      assertEquals("LongConverter",
          new FloatWritable((float)1),
          floatConverter.convert(Integer.valueOf(1))
          );
     
      // Double
      Converter doubleConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableDoubleObjectInspector);
      assertEquals("DoubleConverter",
          new DoubleWritable((double)0),
          doubleConverter.convert(Integer.valueOf(0))
          );
      assertEquals("DoubleConverter",
          new DoubleWritable((double)1),
          doubleConverter.convert(Integer.valueOf(1))
          );
     
      // Text
      Converter textConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableStringObjectInspector);
      assertEquals("TextConverter",
          new Text("0"),
          textConverter.convert(Integer.valueOf(0))
          );
      assertEquals("TextConverter",
          new Text("1"),
          textConverter.convert(Integer.valueOf(1))
          );
     
    } catch (Throwable e) {
      e.printStackTrace();
      throw e;
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public class TestObjectInspectorConverters extends TestCase {

  public void testObjectInspectorConverters() throws Throwable {
    try {
      // Boolean
      Converter booleanConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableBooleanObjectInspector);
      assertEquals("BooleanConverter", new BooleanWritable(false),
          booleanConverter.convert(Integer.valueOf(0)));
      assertEquals("BooleanConverter", new BooleanWritable(true),
          booleanConverter.convert(Integer.valueOf(1)));

      // Byte
      Converter byteConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableByteObjectInspector);
      assertEquals("ByteConverter", new ByteWritable((byte) 0), byteConverter
          .convert(Integer.valueOf(0)));
      assertEquals("ByteConverter", new ByteWritable((byte) 1), byteConverter
          .convert(Integer.valueOf(1)));

      // Short
      Converter shortConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableShortObjectInspector);
      assertEquals("ShortConverter", new ShortWritable((short) 0),
          shortConverter.convert(Integer.valueOf(0)));
      assertEquals("ShortConverter", new ShortWritable((short) 1),
          shortConverter.convert(Integer.valueOf(1)));

      // Int
      Converter intConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableIntObjectInspector);
      assertEquals("IntConverter", new IntWritable(0), intConverter
          .convert(Integer.valueOf(0)));
      assertEquals("IntConverter", new IntWritable(1), intConverter
          .convert(Integer.valueOf(1)));

      // Long
      Converter longConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableLongObjectInspector);
      assertEquals("LongConverter", new LongWritable(0), longConverter
          .convert(Integer.valueOf(0)));
      assertEquals("LongConverter", new LongWritable(1), longConverter
          .convert(Integer.valueOf(1)));

      // Float
      Converter floatConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableFloatObjectInspector);
      assertEquals("LongConverter", new FloatWritable(0), floatConverter
          .convert(Integer.valueOf(0)));
      assertEquals("LongConverter", new FloatWritable(1), floatConverter
          .convert(Integer.valueOf(1)));

      // Double
      Converter doubleConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableDoubleObjectInspector);
      assertEquals("DoubleConverter", new DoubleWritable(0), doubleConverter
          .convert(Integer.valueOf(0)));
      assertEquals("DoubleConverter", new DoubleWritable(1), doubleConverter
          .convert(Integer.valueOf(1)));

      // Text
      Converter textConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableStringObjectInspector);
      assertEquals("TextConverter", new Text("0"), textConverter
          .convert(Integer.valueOf(0)));
      assertEquals("TextConverter", new Text("1"), textConverter
          .convert(Integer.valueOf(1)));
      textConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.writableBinaryObjectInspector,
          PrimitiveObjectInspectorFactory.writableStringObjectInspector);
      assertEquals("TextConverter", new Text("hive"), textConverter
          .convert(new BytesWritable(new byte[]
              {(byte)'h', (byte)'i',(byte)'v',(byte)'e'})));

      // Binary
      Converter baConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaStringObjectInspector,
          PrimitiveObjectInspectorFactory.writableBinaryObjectInspector);
      assertEquals("BAConverter", new BytesWritable(new byte[]
          {(byte)'h', (byte)'i',(byte)'v',(byte)'e'}),
          baConverter.convert("hive"));
      baConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.writableStringObjectInspector,
          PrimitiveObjectInspectorFactory.writableBinaryObjectInspector);
      assertEquals("BAConverter", new BytesWritable(new byte[]
          {(byte)'h', (byte)'i',(byte)'v',(byte)'e'}),
          baConverter.convert(new Text("hive")));
    } catch (Throwable e) {
      e.printStackTrace();
      throw e;
    }
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public class TestObjectInspectorConverters extends TestCase {

  public void testObjectInspectorConverters() throws Throwable {
    try {
      // Boolean
      Converter booleanConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableBooleanObjectInspector);
      assertEquals("BooleanConverter", new BooleanWritable(false),
          booleanConverter.convert(Integer.valueOf(0)));
      assertEquals("BooleanConverter", new BooleanWritable(true),
          booleanConverter.convert(Integer.valueOf(1)));

      // Byte
      Converter byteConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableByteObjectInspector);
      assertEquals("ByteConverter", new ByteWritable((byte) 0), byteConverter
          .convert(Integer.valueOf(0)));
      assertEquals("ByteConverter", new ByteWritable((byte) 1), byteConverter
          .convert(Integer.valueOf(1)));

      // Short
      Converter shortConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableShortObjectInspector);
      assertEquals("ShortConverter", new ShortWritable((short) 0),
          shortConverter.convert(Integer.valueOf(0)));
      assertEquals("ShortConverter", new ShortWritable((short) 1),
          shortConverter.convert(Integer.valueOf(1)));

      // Int
      Converter intConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableIntObjectInspector);
      assertEquals("IntConverter", new IntWritable(0), intConverter
          .convert(Integer.valueOf(0)));
      assertEquals("IntConverter", new IntWritable(1), intConverter
          .convert(Integer.valueOf(1)));

      // Long
      Converter longConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableLongObjectInspector);
      assertEquals("LongConverter", new LongWritable(0), longConverter
          .convert(Integer.valueOf(0)));
      assertEquals("LongConverter", new LongWritable(1), longConverter
          .convert(Integer.valueOf(1)));

      // Float
      Converter floatConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableFloatObjectInspector);
      assertEquals("LongConverter", new FloatWritable(0), floatConverter
          .convert(Integer.valueOf(0)));
      assertEquals("LongConverter", new FloatWritable(1), floatConverter
          .convert(Integer.valueOf(1)));

      // Double
      Converter doubleConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableDoubleObjectInspector);
      assertEquals("DoubleConverter", new DoubleWritable(0), doubleConverter
          .convert(Integer.valueOf(0)));
      assertEquals("DoubleConverter", new DoubleWritable(1), doubleConverter
          .convert(Integer.valueOf(1)));

      // Text
      Converter textConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaIntObjectInspector,
          PrimitiveObjectInspectorFactory.writableStringObjectInspector);
      assertEquals("TextConverter", new Text("0"), textConverter
          .convert(Integer.valueOf(0)));
      assertEquals("TextConverter", new Text("1"), textConverter
          .convert(Integer.valueOf(1)));
      textConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.writableBinaryObjectInspector,
          PrimitiveObjectInspectorFactory.writableStringObjectInspector);
      assertEquals("TextConverter", new Text("hive"), textConverter
          .convert(new BytesWritable(new byte[]
              {(byte)'h', (byte)'i',(byte)'v',(byte)'e'})));
      textConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.writableStringObjectInspector,
          PrimitiveObjectInspectorFactory.writableStringObjectInspector);
      assertEquals("TextConverter", new Text("hive"), textConverter
    .convert(new Text("hive")));
      textConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaStringObjectInspector,
          PrimitiveObjectInspectorFactory.writableStringObjectInspector);
      assertEquals("TextConverter", new Text("hive"), textConverter
    .convert(new String("hive")));

      // Binary
      Converter baConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.javaStringObjectInspector,
          PrimitiveObjectInspectorFactory.writableBinaryObjectInspector);
      assertEquals("BAConverter", new BytesWritable(new byte[]
          {(byte)'h', (byte)'i',(byte)'v',(byte)'e'}),
          baConverter.convert("hive"));
      baConverter = ObjectInspectorConverters.getConverter(
          PrimitiveObjectInspectorFactory.writableStringObjectInspector,
          PrimitiveObjectInspectorFactory.writableBinaryObjectInspector);
      assertEquals("BAConverter", new BytesWritable(new byte[]
          {(byte)'h', (byte)'i',(byte)'v',(byte)'e'}),
          baConverter.convert(new Text("hive")));
    } catch (Throwable e) {
      e.printStackTrace();
      throw e;
    }
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        if (converters == null) {
          converters = new HashMap<ObjectInspector, Converter>();
        }

        Converter converter = converters.get(oi);
        if (converter == null) {
          converter = ObjectInspectorConverters.getConverter(oi,
              returnObjectInspector);
          converters.put(oi, converter);
        }
        converted = converter.convert(o);
      }
      return converted;
    }
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