JsonProtocol Utility¶

JsonProtocol is an utility to convert SparkListenerEvents to and from JSON format.

ObjectMapper¶

JsonProtocol uses an Jackson Databind ObjectMapper for performing conversions to and from JSON.

Converting Spark Event to JSON¶

sparkEventToJson(
  event: SparkListenerEvent): JValue

sparkEventToJson converts the given SparkListenerEvent to JSON format.

sparkEventToJson is used when...FIXME

Converting JSON to Spark Event¶

sparkEventFromJson(
  json: JValue): SparkListenerEvent

sparkEventFromJson converts a JSON-encoded event to a SparkListenerEvent.

sparkEventFromJson is used when...FIXME