How to use

languageOverride

method

in

com.mongodb.client.model.IndexOptions

@SuppressWarnings("deprecation")
com.mongodb.client.model.IndexOptions convert(final IndexOptions options, final boolean background) {
  if (options.dropDups()) {
    LOG.warn("Support for dropDups has been removed from the server.  Please remove this setting.");
  }
  com.mongodb.client.model.IndexOptions indexOptions = new com.mongodb.client.model.IndexOptions()
    .background(options.background() || background)
    .sparse(options.sparse())
    .unique(options.unique());
  if (!options.language().equals("")) {
    indexOptions.defaultLanguage(options.language());
  }
  if (!options.languageOverride().equals("")) {
    indexOptions.languageOverride(options.languageOverride());
  }
  if (!options.name().equals("")) {
    indexOptions.name(options.name());
  }
  if (options.expireAfterSeconds() != -1) {
    indexOptions.expireAfter((long) options.expireAfterSeconds(), TimeUnit.SECONDS);
  }
  if (!options.partialFilter().equals("")) {
    indexOptions.partialFilterExpression(Document.parse(options.partialFilter()));
  }
  if (!options.collation().locale().equals("")) {
    indexOptions.collation(convert(options.collation()));
  }
  return indexOptions;
}

ops = ops.languageOverride(indexOptions.get("language_override").toString());

@Override
public IndexOptions convert(Environment env, TraceInfo trace, Memory arg) throws Throwable {
  if (arg.isNull()) return null;
  ArrayMemory arr = arg.toValue(ArrayMemory.class);
  IndexOptions options = new IndexOptions();
  if (arr.containsKey("background")) { options.background(arg.valueOfIndex("background").toBoolean()); }
  if (arr.containsKey("defaultLanguage")) { options.defaultLanguage(arg.valueOfIndex("defaultLanguage").toString()); }
  if (arr.containsKey("bits")) { options.bits(arg.valueOfIndex("bits").toInteger()); }
  if (arr.containsKey("name")) { options.name(arg.valueOfIndex("name").toString()); }
  if (arr.containsKey("max")) { options.max(arg.valueOfIndex("max").toDouble()); }
  if (arr.containsKey("min")) { options.min(arg.valueOfIndex("min").toDouble()); }
  if (arr.containsKey("languageOverride")) { options.languageOverride(arg.valueOfIndex("languageOverride").toString()); }
  if (arr.containsKey("sparse")) { options.sparse(arg.valueOfIndex("sparse").toBoolean()); }
  if (arr.containsKey("unique")) { options.unique(arg.valueOfIndex("unique").toBoolean()); }
  if (arr.containsKey("version")) { options.version(arg.valueOfIndex("version").toInteger()); }
  if (arr.containsKey("textVersion")) { options.textVersion(arg.valueOfIndex("textVersion").toInteger()); }
  if (arr.containsKey("sphereVersion")) { options.sphereVersion(arg.valueOfIndex("sphereVersion").toInteger()); }
  return options;
}

ops = ops.languageOverride(indexOptions.get("language_override").toString());

  break;
case "languageOverride":
  indexOptions.languageOverride(value.toString());
  break;
case "defaultLanguage":

@SuppressWarnings("deprecation")
com.mongodb.client.model.IndexOptions convert(final IndexOptions options, final boolean background) {
  if (options.dropDups()) {
    LOG.warning("Support for dropDups has been removed from the server.  Please remove this setting.");
  }
  com.mongodb.client.model.IndexOptions indexOptions = new com.mongodb.client.model.IndexOptions()
    .background(options.background() || background)
    .sparse(options.sparse())
    .unique(options.unique());
  if (!options.language().equals("")) {
    indexOptions.defaultLanguage(options.language());
  }
  if (!options.languageOverride().equals("")) {
    indexOptions.languageOverride(options.languageOverride());
  }
  if (!options.name().equals("")) {
    indexOptions.name(options.name());
  }
  if (options.expireAfterSeconds() != -1) {
    indexOptions.expireAfter((long) options.expireAfterSeconds(), TimeUnit.SECONDS);
  }
  if (!options.partialFilter().equals("")) {
    indexOptions.partialFilterExpression(Document.parse(options.partialFilter()));
  }
  if (!options.collation().locale().equals("")) {
    indexOptions.collation(convert(options.collation()));
  }
  return indexOptions;
}

IndexOptions indexOptions = new IndexOptions().name(FULLTEXT_INDEX_NAME).languageOverride(LANGUAGE_FIELD);
coll.createIndex(indexKeys, indexOptions);

mongoDbIndexOptions.languageOverride(indexOptions.getString("languageOverride"));

applyIfTrue(options.containsKey("expireAfterSeconds"),
    () -> indexOptions.expireAfter(options.getLong("expireAfterSeconds"), TimeUnit.SECONDS));
applyIfTrue(options.containsKey("language_override"), () -> indexOptions.languageOverride(options.getString("language_override")));
applyIfTrue(options.containsKey("max"), () -> indexOptions.max(options.getDouble("max")));
applyIfTrue(options.containsKey("min"), () -> indexOptions.min(options.getDouble("min")));

ret.languageOverride(options.get("language_override")
    .asString().getValue());