org.nustaq.serialization.FSTObjectOutput Java Examples

public static <T> void saveModel(
  final DataOutputStream dos,
  final CRFFeatureEncoder<String, T, String> fe,
  final Vector weights,
  final ParserLMFeatures plf,
  final GazetteerFeatures gf,
  final String dataVersion
) throws IOException {
  dos.writeUTF(dataVersion);
  fe.stateSpace.save(dos);
  fe.nodeFeatures.save(dos);
  fe.edgeFeatures.save(dos);
  IOUtils.saveDoubles(dos, weights.toDoubles());

  logger.debug("Saving ParserLMFeatures");
  try(final FSTObjectOutput out = new FSTObjectOutput(dos)) {
    out.writeObject(plf);
    if (plf != null)
      plf.logState();

    logger.debug("Saving gazetteer features");
    out.writeObject(gf);
  }
}
 

@Override
public void writeObject(FSTObjectOutput out, Object toWrite, FSTClazzInfo clzInfo,
        FSTClazzInfo.FSTFieldInfo referencedBy, int streamPosition) throws IOException {
    Map col = (Map) toWrite;
    out.writeInt(col.size());
    FSTClazzInfo lastKClzI = null;
    FSTClazzInfo lastVClzI = null;
    Class lastKClz = null;
    Class lastVClz = null;
    for (Iterator iterator = col.entrySet().iterator(); iterator.hasNext();) {
        Map.Entry next = (Map.Entry) iterator.next();
        Object key = next.getKey();
        Object value = next.getValue();
        if (key != null && value != null) {
            lastKClzI = out.writeObjectInternal(key, key.getClass() == lastKClz ? lastKClzI : null, null);
            lastVClzI = out.writeObjectInternal(value, value.getClass() == lastVClz ? lastVClzI : null, null);
            lastKClz = key.getClass();
            lastVClz = value.getClass();
        } else {
            out.writeObjectInternal(key, null, null);
            out.writeObjectInternal(value, null, null);
        }

    }
}
 

public static void main(String[] args) throws Exception {
    FSTConfiguration conf = FSTConfiguration.createDefaultConfiguration();

    SomeMediumClass mediumClass = new SomeMediumClass();
    byte barray[] = conf.asByteArray(mediumClass);
    System.out.println(barray.length);
    SomeMediumClass object = (SomeMediumClass)conf.asObject(barray);
    System.out.println(object);


    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    FSTObjectOutput output = new FSTObjectOutput(outputStream);
    output.writeObject(mediumClass);
    output.close();

    FSTObjectInput input = new FSTObjectInput(new ByteArrayInputStream(outputStream.toByteArray()));
    object = (SomeMediumClass)input.readObject(SomeMediumClass.class);
    System.out.println(object);
}
 

@Override
@SneakyThrows
public byte[] serialize(Object o) throws SerializationException {
    ByteArrayOutputStream arr = new ByteArrayOutputStream(1024);
    try (FSTObjectOutput output = configuration.get().getObjectOutput(arr)) {
        output.writeObject(o);
    }
    return arr.toByteArray();
}
 

public static ExtractReferences createAndWriteGazCache(
    final InputStream is,
    final DataInputStream bibCRFModel,
    final OutputStream gazCacheFileOutputStream
) throws IOException {
  val result = new ExtractReferences(is, bibCRFModel);

  final FSTObjectOutput out = new FSTObjectOutput(gazCacheFileOutputStream);
  out.writeObject(result.cr);

  return result;
}
 

@Override
public void writeObject(FSTObjectOutput out, Object toWrite, FSTClazzInfo clzInfo, FSTFieldInfo referencedBy,
		int streamPosition) throws IOException {
	byte[] value = ((PeerAddress) toWrite).toByteArray();
	out.writeInt(value.length);
	out.write(value);
}
 

public FSTObjectOutput getObjectOutput(OutputStream outputStream) {
    return conf.getObjectOutput(outputStream);
}
 

public FSTObjectWriter(FSTObjectOutput output) {
    super(output);
}
 

public FSTObjectOutput getObjectOutput(OutputStream outputStream) {
    return conf.getObjectOutput(outputStream);
}
 

public FSTObjectOutput getObjectOutput(OutputStream outputStream) {
    return conf.getObjectOutput(outputStream);
}
 

public static void writeObject(OutputStream output, Object obj) throws IOException {
  FSTObjectOutput out = getFST().getObjectOutput(output);
  out.writeObject(obj);
  out.flush();
}
 

public FSTObjectOutput getObjectOutput(OutputStream outputStream) {
    return conf.getObjectOutput(outputStream);
}
 

public void writeForNetwork(FSTObjectOutput out) throws IOException {
    out.writeObject(this, Parameters.class);
    out.close();
}