How to use

writeGenericValue

method

in

org.elasticsearch.common.io.stream.StreamOutput

@Override
public void writeTo(StreamOutput out) throws IOException {
  out.writeBoolean(fetchFields);
  if (fetchFields) {
    out.writeGenericValue(fieldNames);
  }
}

@Override
protected void doWriteTo(StreamOutput out) throws IOException {
  out.writeString(fieldName);
  out.writeGenericValue(value);
}

@Override
public void writeTo(StreamOutput out) throws IOException {
  out.writeVInt(sortValues.length);
  for (Object fieldValue : sortValues) {
    out.writeGenericValue(fieldValue);
  }
}

@Override
public void writeTo(StreamOutput out) throws IOException {
  out.writeVInt(values.length);
  for (int i = 0; i < values.length; i++) {
    out.writeGenericValue(values[i]);
  }
}

public void writeMap(@Nullable Map<String, Object> map) throws IOException {
  writeGenericValue(map);
}

@Override
public void writeTo(StreamOutput out) throws IOException {
  out.writeString(name);
  out.writeVInt(values.size());
  for (Object obj : values) {
    out.writeGenericValue(obj);
  }
}

@Override
protected void doWriteTo(StreamOutput out) throws IOException {
  if (supplier != null) {
    throw new IllegalStateException("supplier must be null, can't serialize suppliers, missing a rewriteAndFetch?");
  }
  out.writeString(fieldName);
  out.writeOptionalWriteable(termsLookup);
  out.writeGenericValue(values);
}

@Override
protected void doWriteTo(StreamOutput out) throws IOException {
  script.writeTo(out);
  gapPolicy.writeTo(out);
  out.writeGenericValue(bucketsPathsMap);
}

@Override
protected void doWriteTo(StreamOutput out) throws IOException {
  out.writeOptionalWriteable(reduceScript);
  out.writeGenericValue(aggregation());
}

@Override
public final void writeTo(StreamOutput out) throws IOException {
  out.writeString(name);
  out.writeGenericValue(metaData);
  out.writeNamedWriteableList(pipelineAggregators);
  doWriteTo(out);
}

@Override
protected void doWriteTo(StreamOutput out) throws IOException {
  script.writeTo(out);
  out.writeNamedWriteable(formatter);
  gapPolicy.writeTo(out);
  out.writeGenericValue(bucketsPathsMap);
}

@Override
public void writeTo(StreamOutput out) throws IOException {
  out.writeString(fieldName);
  out.writeGenericValue(missing);
  out.writeOptionalWriteable(script);
  out.writeOptionalTimeZone(timeZone);
}

@Override
public void writeTo(StreamOutput out) throws IOException {
  super.writeTo(out);
  out.writeLong(timestamp);
  out.writeLong(sinceTime);
  out.writeGenericValue(restUsage);
}

@Override
protected void doWriteTo(StreamOutput out) throws IOException {
  out.writeString(fieldName);
  out.writeGenericValue(values);
  out.writeOptionalString(minimumShouldMatchField);
  out.writeOptionalWriteable(minimumShouldMatchScript);
}

private static void writeMissingValue(StreamOutput out, Object missingValue) throws IOException {
  if (missingValue == SortField.STRING_FIRST) {
    out.writeByte((byte) 1);
  } else if (missingValue == SortField.STRING_LAST) {
    out.writeByte((byte) 2);
  } else {
    out.writeByte((byte) 0);
    out.writeGenericValue(missingValue);
  }
}

@Override
protected void doWriteTo(StreamOutput out) throws IOException {
  out.writeString(fieldName);
  out.writeGenericValue(value);
  out.writeVInt(slop);
  out.writeVInt(maxExpansions);
  out.writeOptionalString(analyzer);
}

@Override
protected void doWriteTo(StreamOutput out) throws IOException {
  out.writeString(this.fieldName);
  out.writeGenericValue(this.value);
  this.fuzziness.writeTo(out);
  out.writeVInt(this.prefixLength);
  out.writeVInt(this.maxExpansions);
  out.writeBoolean(this.transpositions);
  out.writeOptionalString(this.rewrite);
}

@Override
protected void doWriteTo(StreamOutput out) throws IOException {
  out.writeString(fieldName);
  out.writeGenericValue(value);
  out.writeVInt(slop);
  if (out.getVersion().onOrAfter(Version.V_6_3_0)) {
    zeroTermsQuery.writeTo(out);
  }
  out.writeOptionalString(analyzer);
}

@Override
public void writeTo(StreamOutput out) throws IOException {
  out.writeString(fieldName);
  out.writeOptionalNamedWriteable(nestedFilter);
  out.writeOptionalString(nestedPath);
  out.writeGenericValue(missing);
  out.writeOptionalWriteable(order);
  out.writeOptionalWriteable(sortMode);
  out.writeOptionalString(unmappedType);
  if (out.getVersion().onOrAfter(Version.V_6_1_0)) {
    out.writeOptionalWriteable(nestedSort);
  }
}

@Override
protected void doWriteTo(StreamOutput out) throws IOException {
  out.writeString(this.fieldName);
  out.writeGenericValue(this.text);
  highFreqOperator.writeTo(out);
  lowFreqOperator.writeTo(out);
  out.writeOptionalString(analyzer);
  out.writeOptionalString(lowFreqMinimumShouldMatch);
  out.writeOptionalString(highFreqMinimumShouldMatch);
  if (out.getVersion().before(Version.V_6_0_0_alpha1)) {
    out.writeBoolean(true); // disable_coord
  }
  out.writeFloat(cutoffFrequency);
}