How to use

org.nuxeo.ecm.core.schema.types.SchemaImpl

constructor

protected void initialize(MongoDBSession session) {
  if (dataFileName != null) {
    // fake schema for DirectoryCSVLoader.loadData
    SchemaImpl schema = new SchemaImpl(collection, null);
    schema.addField(sourceField, StringType.INSTANCE, null, 0, Collections.emptySet());
    schema.addField(targetField, StringType.INSTANCE, null, 0, Collections.emptySet());
    Consumer<Map<String, Object>> loader = map -> {
      Document doc = MongoDBSerializationHelper.fieldMapToBson(map);
      MongoCollection<Document> coll = getCollection(session);
      if (coll.countDocuments(doc) == 0) {
        coll.insertOne(doc);
      }
    };
    DirectoryCSVLoader.loadData(dataFileName, BaseDirectoryDescriptor.DEFAULT_DATA_FILE_CHARACTER_SEPARATOR,
        schema, loader);
  }
}

  return null;
Schema ecmSchema = new SchemaImpl(name, new Namespace(ns, prefix), isVersionWritable);
    if (singleComplexField.getType().isComplexType()) {
      ComplexType singleComplexFieldType = (ComplexType) singleComplexField.getType();
      ecmSchema = new SchemaImpl(singleComplexFieldType, name, new Namespace(ns, prefix),
          isVersionWritable);
    } else {

if (loadData && dataFileName != null) {
  SchemaImpl schema = new SchemaImpl(tableName, null);
  schema.addField(sourceColumn, StringType.INSTANCE, null, 0, Collections.emptySet());
  schema.addField(targetColumn, StringType.INSTANCE, null, 0, Collections.emptySet());