json handling of events

ApiEmailSendEventQueueItem.scala

@JsonIgnoreProperties(ignoreUnknown = true)
case class ApiEmailSendEventQueueItemMessage
(messageId: String,
 accountId: Int,
 channelId: Int,
 sessionId: Int,
 sendTime: Int,
 eventTime: Int,
 sendHour: Int,
 toEmail: String,
 @JsonProperty("status") @BeanProperty val status: Int,
 @JsonProperty("type") @BeanProperty val statusType: Int
  )
  extends EventItem(
    _messageId = messageId,
    _accountId = accountId,
    _channelId = channelId,
    _sessionId = sessionId,
    _sendTime = sendTime,
    _toEmail = toEmail,
    _eventTime = eventTime,
    _sendHour = sendHour)


abstract class EventItem(@JsonProperty("messageId") @BeanProperty val _messageId: String,
                         @JsonProperty("accountId") @BeanProperty val _accountId: Int,
                         @JsonProperty("channelId") @BeanProperty val _channelId: Int,
                         @JsonProperty("sessionId") @BeanProperty val _sessionId: Int,
                         @JsonProperty("sendTime") @BeanProperty val _sendTime: Int,
                         @JsonProperty("eventTime") @BeanProperty val _eventTime: Int,
                         @JsonProperty("sendHour") @BeanProperty val _sendHour: Int,
                         @JsonProperty("toEmail") @BeanProperty val _toEmail: String
                          )