How to use

getSimpleTypeHolder

method

in

org.springframework.data.mongodb.core.convert.MongoCustomConversions

private static MappingMongoConverter getDefaultMongoConverter() {
  MongoCustomConversions conversions = new MongoCustomConversions(Collections.emptyList());
  MongoMappingContext context = new MongoMappingContext();
  context.setSimpleTypeHolder(conversions.getSimpleTypeHolder());
  context.afterPropertiesSet();
  MappingMongoConverter converter = new MappingMongoConverter(NO_OP_REF_RESOLVER, context);
  converter.setCustomConversions(conversions);
  converter.afterPropertiesSet();
  return converter;
}

private static MongoConverter getDefaultMongoConverter(MongoDbFactory factory) {
  DbRefResolver dbRefResolver = new DefaultDbRefResolver(factory);
  MongoCustomConversions conversions = new MongoCustomConversions(Collections.emptyList());
  MongoMappingContext mappingContext = new MongoMappingContext();
  mappingContext.setSimpleTypeHolder(conversions.getSimpleTypeHolder());
  mappingContext.afterPropertiesSet();
  MappingMongoConverter converter = new MappingMongoConverter(dbRefResolver, mappingContext);
  converter.setCustomConversions(conversions);
  converter.afterPropertiesSet();
  return converter;
}

private static MappingMongoConverter getDefaultMongoConverter() {
  MongoCustomConversions conversions = new MongoCustomConversions(Collections.emptyList());
  MongoMappingContext context = new MongoMappingContext();
  context.setSimpleTypeHolder(conversions.getSimpleTypeHolder());
  context.afterPropertiesSet();
  MappingMongoConverter converter = new MappingMongoConverter(NO_OP_REF_RESOLVER, context);
  converter.setCustomConversions(conversions);
  converter.afterPropertiesSet();
  return converter;
}

private static MongoConverter getDefaultMongoConverter(MongoDbFactory factory) {
  DbRefResolver dbRefResolver = new DefaultDbRefResolver(factory);
  MongoCustomConversions conversions = new MongoCustomConversions(Collections.emptyList());
  MongoMappingContext mappingContext = new MongoMappingContext();
  mappingContext.setSimpleTypeHolder(conversions.getSimpleTypeHolder());
  mappingContext.afterPropertiesSet();
  MappingMongoConverter converter = new MappingMongoConverter(dbRefResolver, mappingContext);
  converter.setCustomConversions(conversions);
  converter.afterPropertiesSet();
  return converter;
}

private MongoMappingContext mongoMappingContext() {
  val mappingContext = new MongoMappingContext();
  mappingContext.setInitialEntitySet(getInitialEntitySet());
  mappingContext.setSimpleTypeHolder(this.customConversions.getSimpleTypeHolder());
  mappingContext.setFieldNamingStrategy(MongoDbConnectionFactory.fieldNamingStrategy());
  return mappingContext;
}

@Bean
public MongoTemplate mongoTemplate(MongoDbFactory mongoDbFactory, SequenceOption sequenceOption) {
  DbRefResolver dbRefResolver = new DefaultDbRefResolver(mongoDbFactory);
  MongoCustomConversions conversions = new MongoCustomConversions(resolverConverter());
  MongoMappingContext mappingContext = new BHBMongoMappingContext();
  mappingContext.setSimpleTypeHolder(conversions.getSimpleTypeHolder());
  mappingContext.afterPropertiesSet();
  MappingMongoConverter converter = new MappingMongoConverter(dbRefResolver, mappingContext);
  // _class 剔除
  converter.setTypeMapper(new DefaultMongoTypeMapper(null));
  converter.setCustomConversions(conversions);
  converter.afterPropertiesSet();
  // 需要自增时
  // MongoTemplate template=new DTXDMongoTemplate(mongoDbFactory,converter,
  // sequenceOption);
  MongoTemplate template = new MongoTemplate(mongoDbFactory, converter);
  return template;
}