Examples with BinaryDecoder io.cdap.cdap.common.io.BinaryDecoder used on opensource projects

Example 51 with BinaryDecoder

use of io.cdap.cdap.common.io.BinaryDecoder in project cdap by cdapio.

the class UserIdentityCodec method decode.

@Override
public UserIdentity decode(byte[] data) throws IOException {
    ByteArrayInputStream bis = new ByteArrayInputStream(data);
    Decoder decoder = new BinaryDecoder(bis);
    DatumReader<UserIdentity> reader = readerFactory.create(ACCESS_TOKEN_IDENTIFIER_TYPE, UserIdentity.Schemas.getCurrentSchema());
    int readVersion = decoder.readInt();
    Schema readSchema = UserIdentity.Schemas.getSchemaVersion(readVersion);
    if (readSchema == null) {
        throw new IOException("Unknown schema version for AccessTokenIdentifier: " + readVersion);
    }
    return reader.read(decoder, readSchema);
}

Example 52 with BinaryDecoder

use of io.cdap.cdap.common.io.BinaryDecoder in project cdap by cdapio.

the class MessagingMetricsCollectionServiceTest method assertMetricsFromMessaging.

private void assertMetricsFromMessaging(final Schema schema, ReflectionDatumReader recordReader, Table<String, String, Long> expected) throws TopicNotFoundException {
    // Consume from kafka
    final Map<String, MetricValues> metrics = Maps.newHashMap();
    for (int i = 0; i < cConf.getInt(Constants.Metrics.MESSAGING_TOPIC_NUM); i++) {
        TopicId topicId = NamespaceId.SYSTEM.topic(TOPIC_PREFIX + i);
        try (CloseableIterator<RawMessage> iterator = messagingService.prepareFetch(topicId).fetch()) {
            while (iterator.hasNext()) {
                RawMessage message = iterator.next();
                MetricValues metricsRecord = (MetricValues) recordReader.read(new BinaryDecoder(new ByteArrayInputStream(message.getPayload())), schema);
                StringBuilder flattenContext = new StringBuilder();
                // for verifying expected results, sorting tags
                Map<String, String> tags = Maps.newTreeMap();
                tags.putAll(metricsRecord.getTags());
                for (Map.Entry<String, String> tag : tags.entrySet()) {
                    flattenContext.append(tag.getKey()).append(".").append(tag.getValue()).append(".");
                }
                // removing trailing "."
                if (flattenContext.length() > 0) {
                    flattenContext.deleteCharAt(flattenContext.length() - 1);
                }
                metrics.put(flattenContext.toString(), metricsRecord);
            }
        } catch (IOException e) {
            LOG.info("Failed to decode message to MetricValue. Skipped. {}", e.getMessage());
        }
    }
    Assert.assertEquals(expected.rowKeySet().size(), metrics.size());
    checkReceivedMetrics(expected, metrics);
}