Package org.apache.avro.generic

Examples of org.apache.avro.generic.GenericRecord

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        String.valueOf(event.getLevel().toInt()));

    Event flumeEvent;
    Object message = event.getMessage();
    if (message instanceof GenericRecord) {
      GenericRecord record = (GenericRecord) message;
      populateAvroHeaders(hdrs, record.getSchema(), message);
      flumeEvent = EventBuilder.withBody(serialize(record, record.getSchema()), hdrs);
    } else if (message instanceof SpecificRecord || avroReflectionEnabled) {
      Schema schema = ReflectData.get().getSchema(message.getClass());
      populateAvroHeaders(hdrs, schema, message);
      flumeEvent = EventBuilder.withBody(serialize(message, schema), hdrs);
    } else {
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    // writer = new GenericDatumWriter<Pair>(pairSchema);
   
    GenericRecord keyRecord =this.getKeyRecord(keySchema, key);

    logger.debug("Key record is " + keyRecord);
    // now generate the avro record
    GenericRecord valueRecord = this.getValueRecord(valueSchema, val);
    logger.debug("Value Record is " + valueRecord);
    /*
     * ByteArrayOutputStream stream = new ByteArrayOutputStream();
     * writer.write(record, new BinaryEncoder(stream)); stream.close();
     */
 
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    pair.value(valueRecord);
    output.collect(new AvroValue<Pair>(pair), nullWritable );
  }

  public GenericRecord getKeyRecord(Schema  keySchema, LongWritable key) {
    GenericRecord keyRecord = new GenericData.Record(keySchema);
    keyRecord.put(0, key.get());
    return keyRecord;
  }
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    return keyRecord;
  }

  public GenericRecord getValueRecord(Schema valueSchema,
      GenericDBWritable val) {
    GenericRecord valueRecord = new GenericData.Record(valueSchema);
    List<Schema.Field> fieldSchemas = valueSchema.getFields();
    for (int i = 0; i < val.getValues().size(); ++i) {
      Schema.Type type = fieldSchemas.get(i).schema().getType();
      if (type.equals(Schema.Type.STRING)) {
        Utf8 utf8 = new Utf8((String) val.getValues().get(i).toString());
        valueRecord.put(i, utf8);
      } else {
        valueRecord.put(i, val.getValues().get(i));
      }
    }
    return valueRecord;
  }
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    Schema pairSchema = DBMapper.getPairSchema(val.getColumns());
    Schema keySchema = Pair.getKeySchema(pairSchema);
    Schema valueSchema = Pair.getValueSchema(pairSchema);
    Pair pair = new Pair<GenericRecord, GenericRecord>(pairSchema);

    GenericRecord keyRecord = new GenericData.Record(keySchema);
    keyRecord.put(0, key.get());
    GenericRecord valueRecord = new GenericData.Record(valueSchema);
    List<Schema.Field> fieldSchemas = valueSchema.getFields();
    for (int i = 0; i < val.getValues().size(); ++i) {
      Schema.Type type = fieldSchemas.get(i).schema().getType();
      if (type.equals(Schema.Type.STRING)) {
        Utf8 utf8 = new Utf8((String) val.getValues().get(i).toString());
        valueRecord.put(i, utf8);
      } else {
        valueRecord.put(i, val.getValues().get(i));
      }
    }
    pair.key(keyRecord);
    pair.value(valueRecord);
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    LongWritable key = new LongWritable(1);

    Schema pairSchema = DBMapper.getPairSchema(val.getColumns());
    Schema keySchema = Pair.getKeySchema(pairSchema);

    GenericRecord keyRecord = new GenericData.Record(keySchema);
    keyRecord.put(0, key.get());
    assertEquals(keyRecord,mapper.getKeyRecord(keySchema, key));
  }
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    Schema pairSchema = DBMapper.getPairSchema(val.getColumns());
    Schema keySchema = Pair.getKeySchema(pairSchema);
    Schema valueSchema = Pair.getValueSchema(pairSchema);
   
    GenericRecord valueRecord = new GenericData.Record(valueSchema);
    List<Schema.Field> fieldSchemas = valueSchema.getFields();
    for (int i = 0; i < val.getValues().size(); ++i) {
      Schema.Type type = fieldSchemas.get(i).schema().getType();
      if (type.equals(Schema.Type.STRING)) {
        Utf8 utf8 = new Utf8((String) val.getValues().get(i).toString());
        valueRecord.put(i, utf8);
      } else {
        valueRecord.put(i, val.getValues().get(i));
      }
    }
   
    assertEquals(valueRecord,mapper.getValueRecord(valueSchema, val));
  }
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        schema);
    DataFileWriter<GenericRecord> dataFileWriter = new DataFileWriter<GenericRecord>(
        writer);
    dataFileWriter.create(schema, file);

    GenericRecord datum = new GenericData.Record(schema);
    datum.put("intColumn", new Integer(12));
    // datum.put("stringColumn", new String("sam"));

    dataFileWriter.append(datum);
    dataFileWriter.close();
  }
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      if(name.startsWith(prefix)) {
        FSDataInputStream input = fs.open(new Path(outputFile));
        DatumReader<GenericRecord> reader = new GenericDatumReader<GenericRecord>();
        DataFileStream<GenericRecord> avroStream =
            new DataFileStream<GenericRecord>(input, reader);
        GenericRecord record = new GenericData.Record(avroStream.getSchema());
        while (avroStream.hasNext()) {
          avroStream.next(record);
          ByteBuffer body = (ByteBuffer) record.get("body");
          CharsetDecoder decoder = Charsets.UTF_8.newDecoder();
          String bodyStr = decoder.decode(body).toString();
          LOG.debug("Removing event: {}", bodyStr);
          bodies.remove(bodyStr);
          found++;
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        // creating initial k-v pair
        System.out.println("Creating initial Key and Value");
        String keySchemaJson = "{ \"name\": \"key\", \"type\": \"record\", \"fields\": [{ \"name\": \"user_id\", \"type\": \"int\" }] }";
        Schema keySchema = Schema.parse(keySchemaJson);
        GenericRecord key = new GenericData.Record(keySchema);
        key.put("user_id", 123);

        String valueSchemaJson = "{\n" +
                "      \"name\": \"value\",\n" +
                "      \"type\": \"record\",\n" +
                "      \"fields\": [{ \n" +
                "        \"name\": \"user_id\",\n" +
                "        \"type\": \"int\"\n" +
                "      }, {\n" +
                "        \"name\": \"gender\",\n" +
                "        \"type\": \"string\"\n" +
                "      }, {\n" +
                "        \"name\": \"age\",\n" +
                "        \"type\": \"int\",\n" +
                "        \"optional\": true\n" +
                "      }]\n" +
                "    }";
        Schema valueSchema = Schema.parse(valueSchemaJson);
        GenericRecord value = new GenericData.Record(valueSchema);

        value.put("user_id", 123);
        value.put("gender", "male");
        value.put("age", 23);

        // put initial value
        System.out.println("Putting Initial value");
        client.put(key, value);

        // get the value
        System.out.println("Getting the value");
        Versioned<GenericRecord> versioned = client.get(key);

        System.out.println("Initial Versioned Object: " + String.valueOf(versioned));
        System.out.println("           Initial Value: " + String.valueOf(versioned.getValue()));

        // modify the value
        System.out.println("Modifying the value");
        GenericRecord modifiedRecord = versioned.getValue();
        modifiedRecord.put("gender", "female");
        modifiedRecord.put("age", 55);
        versioned.setObject(modifiedRecord);

        // update the value
        System.out.println("Putting the new value");
        client.put(key, versioned);
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