Package org.apache.pig.impl.io

Examples of org.apache.pig.impl.io.NullableBytesWritable

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        case DataType.BOOLEAN:
            return new NullableBooleanWritable((Boolean)o);

        case DataType.BYTEARRAY:
            return new NullableBytesWritable(((DataByteArray)o).get());
           
        case DataType.CHARARRAY:
            return new NullableText((String)o);
           
        case DataType.DOUBLE:
            return new NullableDoubleWritable((Double)o);
          
        case DataType.FLOAT:
            return new NullableFloatWritable((Float)o);
           
        case DataType.INTEGER:
            return new NullableIntWritable((Integer)o);
          
        case DataType.LONG:
            return new NullableLongWritable((Long)o);
         
        case DataType.TUPLE:
            return new NullableTuple((Tuple)o);
        
        case DataType.MAP: {
            int errCode = 1068;
            String msg = "Using Map as key not supported.";
            throw new ExecException(msg, errCode, PigException.INPUT);
        }

        case DataType.NULL:
            switch (keyType) {
            case DataType.BAG:
                NullableBag nbag = new NullableBag();
                nbag.setNull(true);
                return nbag;
            case DataType.BOOLEAN:
                NullableBooleanWritable nboolWrit = new NullableBooleanWritable();
                nboolWrit.setNull(true);
                return nboolWrit;
            case DataType.BYTEARRAY:
                NullableBytesWritable nBytesWrit = new NullableBytesWritable();
                nBytesWrit.setNull(true);
                return nBytesWrit;
            case DataType.CHARARRAY:
                NullableText nStringWrit = new NullableText();
                nStringWrit.setNull(true);
                return nStringWrit;
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        if (!mAsc[0]) rc *= -1;
        return rc;
    }

    public int compare(Object o1, Object o2) {
        NullableBytesWritable nbw1 = (NullableBytesWritable)o1;
        NullableBytesWritable nbw2 = (NullableBytesWritable)o2;
        int rc = 0;

        // If either are null, handle differently.
        if (!nbw1.isNull() && !nbw2.isNull()) {
            rc = DataType.compare(nbw1.getValueAsPigType(), nbw2.getValueAsPigType());
        } else {
            // For sorting purposes two nulls are equal.
            if (nbw1.isNull() && nbw2.isNull()) rc = 0;
            else if (nbw1.isNull()) rc = -1;
            else rc = 1;
        }
        if (!mAsc[0]) rc *= -1;
        return rc;
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        case DataType.BOOLEAN:
            return new NullableBooleanWritable((Boolean)o);

        case DataType.BYTEARRAY:
            return new NullableBytesWritable(o);

        case DataType.CHARARRAY:
            return new NullableText((String)o);

        case DataType.DOUBLE:
            return new NullableDoubleWritable((Double)o);

        case DataType.FLOAT:
            return new NullableFloatWritable((Float)o);

        case DataType.INTEGER:
            return new NullableIntWritable((Integer)o);

        case DataType.LONG:
            return new NullableLongWritable((Long)o);

        case DataType.BIGINTEGER:
            return new NullableBigIntegerWritable((BigInteger)o);

        case DataType.BIGDECIMAL:
            return new NullableBigDecimalWritable((BigDecimal)o);

        case DataType.DATETIME:
            return new NullableDateTimeWritable((DateTime)o);

        case DataType.TUPLE:
            return new NullableTuple((Tuple)o);

        case DataType.MAP: {
            int errCode = 1068;
            String msg = "Using Map as key not supported.";
            throw new ExecException(msg, errCode, PigException.INPUT);
        }

        case DataType.NULL:
            switch (keyType) {
            case DataType.BAG:
                NullableBag nbag = new NullableBag();
                nbag.setNull(true);
                return nbag;
            case DataType.BOOLEAN:
                NullableBooleanWritable nboolWrit = new NullableBooleanWritable();
                nboolWrit.setNull(true);
                return nboolWrit;
            case DataType.BYTEARRAY:
                NullableBytesWritable nBytesWrit = new NullableBytesWritable();
                nBytesWrit.setNull(true);
                return nBytesWrit;
            case DataType.CHARARRAY:
                NullableText nStringWrit = new NullableText();
                nStringWrit.setNull(true);
                return nStringWrit;
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        if (!mAsc[0]) rc *= -1;
        return rc;
    }

    public int compare(Object o1, Object o2) {
        NullableBytesWritable nbw1 = (NullableBytesWritable)o1;
        NullableBytesWritable nbw2 = (NullableBytesWritable)o2;
        int rc = 0;

        // If either are null, handle differently.
        if (!nbw1.isNull() && !nbw2.isNull()) {
            rc = DataType.compare(nbw1.getValueAsPigType(), nbw2.getValueAsPigType());
        } else {
            // For sorting purposes two nulls are equal.
            if (nbw1.isNull() && nbw2.isNull()) rc = 0;
            else if (nbw1.isNull()) rc = -1;
            else rc = 1;
        }
        if (!mAsc[0]) rc *= -1;
        return rc;
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  }

  // Wrap the passed object with NullableBytesWritable and return the serialized
  // form.
  private byte [] serializeAsNullableBytesWritable(Object obj) throws Exception {
    NullableBytesWritable nbw = new NullableBytesWritable(obj);
    bas.reset();
    DataOutput dout = new DataOutputStream(bas);
    nbw.write(dout);
    return bas.toByteArray();
  }
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        case DataType.BOOLEAN:
            return new NullableBooleanWritable((Boolean)o);

        case DataType.BYTEARRAY:
            return new NullableBytesWritable(o);
           
        case DataType.CHARARRAY:
            return new NullableText((String)o);
           
        case DataType.DOUBLE:
            return new NullableDoubleWritable((Double)o);
          
        case DataType.FLOAT:
            return new NullableFloatWritable((Float)o);
           
        case DataType.INTEGER:
            return new NullableIntWritable((Integer)o);
          
        case DataType.LONG:
            return new NullableLongWritable((Long)o);

        case DataType.DATETIME:
            return new NullableDateTimeWritable((DateTime)o);

        case DataType.TUPLE:
            return new NullableTuple((Tuple)o);
        
        case DataType.MAP: {
            int errCode = 1068;
            String msg = "Using Map as key not supported.";
            throw new ExecException(msg, errCode, PigException.INPUT);
        }

        case DataType.NULL:
            switch (keyType) {
            case DataType.BAG:
                NullableBag nbag = new NullableBag();
                nbag.setNull(true);
                return nbag;
            case DataType.BOOLEAN:
                NullableBooleanWritable nboolWrit = new NullableBooleanWritable();
                nboolWrit.setNull(true);
                return nboolWrit;
            case DataType.BYTEARRAY:
                NullableBytesWritable nBytesWrit = new NullableBytesWritable();
                nBytesWrit.setNull(true);
                return nBytesWrit;
            case DataType.CHARARRAY:
                NullableText nStringWrit = new NullableText();
                nStringWrit.setNull(true);
                return nStringWrit;
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        case DataType.BOOLEAN:
            return new NullableBooleanWritable((Boolean)o);

        case DataType.BYTEARRAY:
            return new NullableBytesWritable(((DataByteArray)o).get());
           
        case DataType.CHARARRAY:
            return new NullableText((String)o);
           
        case DataType.DOUBLE:
            return new NullableDoubleWritable((Double)o);
          
        case DataType.FLOAT:
            return new NullableFloatWritable((Float)o);
           
        case DataType.INTEGER:
            return new NullableIntWritable((Integer)o);
          
        case DataType.LONG:
            return new NullableLongWritable((Long)o);
         
        case DataType.TUPLE:
            return new NullableTuple((Tuple)o);
        
        case DataType.MAP: {
            int errCode = 1068;
            String msg = "Using Map as key not supported.";
            throw new ExecException(msg, errCode, PigException.INPUT);
        }

        case DataType.NULL:
            switch (keyType) {
            case DataType.BAG:
                NullableBag nbag = new NullableBag();
                nbag.setNull(true);
                return nbag;
            case DataType.BOOLEAN:
                NullableBooleanWritable nboolWrit = new NullableBooleanWritable();
                nboolWrit.setNull(true);
                return nboolWrit;
            case DataType.BYTEARRAY:
                NullableBytesWritable nBytesWrit = new NullableBytesWritable();
                nBytesWrit.setNull(true);
                return nBytesWrit;
            case DataType.CHARARRAY:
                NullableText nStringWrit = new NullableText();
                nStringWrit.setNull(true);
                return nStringWrit;
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        if (!mAsc[0]) rc *= -1;
        return rc;
    }

    public int compare(Object o1, Object o2) {
        NullableBytesWritable nbw1 = (NullableBytesWritable)o1;
        NullableBytesWritable nbw2 = (NullableBytesWritable)o2;
        int rc = 0;

        // If either are null, handle differently.
        if (!nbw1.isNull() && !nbw2.isNull()) {
            rc = ((DataByteArray)nbw1.getValueAsPigType()).compareTo((DataByteArray)nbw2.getValueAsPigType());
        } else {
            // For sorting purposes two nulls are equal.
            if (nbw1.isNull() && nbw2.isNull()) rc = 0;
            else if (nbw1.isNull()) rc = -1;
            else rc = 1;
        }
        if (!mAsc[0]) rc *= -1;
        return rc;
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        case DataType.BOOLEAN:
            return new NullableBooleanWritable((Boolean)o);

        case DataType.BYTEARRAY:
            return new NullableBytesWritable(o);
           
        case DataType.CHARARRAY:
            return new NullableText((String)o);
           
        case DataType.DOUBLE:
            return new NullableDoubleWritable((Double)o);
          
        case DataType.FLOAT:
            return new NullableFloatWritable((Float)o);
           
        case DataType.INTEGER:
            return new NullableIntWritable((Integer)o);
          
        case DataType.LONG:
            return new NullableLongWritable((Long)o);
         
        case DataType.TUPLE:
            return new NullableTuple((Tuple)o);
        
        case DataType.MAP: {
            int errCode = 1068;
            String msg = "Using Map as key not supported.";
            throw new ExecException(msg, errCode, PigException.INPUT);
        }

        case DataType.NULL:
            switch (keyType) {
            case DataType.BAG:
                NullableBag nbag = new NullableBag();
                nbag.setNull(true);
                return nbag;
            case DataType.BOOLEAN:
                NullableBooleanWritable nboolWrit = new NullableBooleanWritable();
                nboolWrit.setNull(true);
                return nboolWrit;
            case DataType.BYTEARRAY:
                NullableBytesWritable nBytesWrit = new NullableBytesWritable();
                nBytesWrit.setNull(true);
                return nBytesWrit;
            case DataType.CHARARRAY:
                NullableText nStringWrit = new NullableText();
                nStringWrit.setNull(true);
                return nStringWrit;
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        if (!mAsc[0]) rc *= -1;
        return rc;
    }

    public int compare(Object o1, Object o2) {
        NullableBytesWritable nbw1 = (NullableBytesWritable)o1;
        NullableBytesWritable nbw2 = (NullableBytesWritable)o2;
        int rc = 0;

        // If either are null, handle differently.
        if (!nbw1.isNull() && !nbw2.isNull()) {
            rc = DataType.compare(nbw1.getValueAsPigType(), nbw2.getValueAsPigType());
        } else {
            // For sorting purposes two nulls are equal.
            if (nbw1.isNull() && nbw2.isNull()) rc = 0;
            else if (nbw1.isNull()) rc = -1;
            else rc = 1;
        }
        if (!mAsc[0]) rc *= -1;
        return rc;
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Related Classes of org.apache.pig.impl.io.NullableBytesWritable

  • org.apache.hadoop.io.BytesWritable
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigBytesRawComparator
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.TestPigBytesRawComparator
  • org.apache.pig.backend.hadoop.HDataType
  • org.apache.pig.data.DataByteArray
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