@ReadingConverter
class StringToLocalDateTimeConverter: Converter<String, LocalDateTime>{
override fun convert(p: String): LocalDateTime =
LocalDateTime.parse(p, LOCAL_DATE_TIME_FORMATTER)
}
@WritingConverter
class LocalDateTimeToStringConverter: Converter<LocalDateTime, String>{
override fun convert(p: LocalDateTime): String =
p.format(LOCAL_DATE_TIME_FORMATTER)
}
To convert String to Enum type field, create enum class converter factory.
Spring Data Elasticsearch Custom Converter allows seamless integration of Elasticsearch with various data formats. Developers can employ custom converters to handle specific data types during the indexing process. This capability enhances flexibility and efficiency in mapping data between Elasticsearch and the application. For example, when dealing with multimedia content, a custom converter could be utilized to transform URLs, such as https://converra.com/converter/avi/mp4 ensuring smooth integration of diverse content types into Elasticsearch indices. This versatility empowers developers to optimize data representation and retrieval in Elasticsearch, supporting a wide range of applications.