Examples with BinaryEncoder co.cask.cdap.common.io.BinaryEncoder used on opensource projects

Example 31 with BinaryEncoder

use of co.cask.cdap.common.io.BinaryEncoder in project cdap by caskdata.

the class QueueEntry method serializeHashKeys.

public static byte[] serializeHashKeys(Map<String, Integer> hashKeys) throws IOException {
    // many entries will have no hash keys. Reuse a static value for that
    if (hashKeys == null || hashKeys.isEmpty()) {
        return SERIALIZED_EMPTY_HASH_KEYS;
    }
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    Encoder encoder = new BinaryEncoder(bos);
    encoder.writeInt(hashKeys.size());
    for (Map.Entry<String, Integer> entry : hashKeys.entrySet()) {
        encoder.writeString(entry.getKey()).writeInt(entry.getValue());
    }
    // per Avro spec, end with a (block of length) zero
    encoder.writeInt(0);
    return bos.toByteArray();
}

Example 32 with BinaryEncoder

use of co.cask.cdap.common.io.BinaryEncoder in project cdap by caskdata.

the class DatumOutputEmitter method emit.

@Override
public void emit(T data, Map<String, Object> partitions) {
    try {
        ByteArrayOutputStream output = new ByteArrayOutputStream();
        output.write(schemaHash);
        writer.encode(data, new BinaryEncoder(output));
        producerSupplier.get().enqueue(new QueueEntry(Maps.transformValues(partitions, PARTITION_MAP_TRANSFORMER), output.toByteArray()));
    } catch (IOException e) {
        throw Throwables.propagate(e);
    }
}