toJson method
Implementation
int toJson() {
switch (this) {
case MsgStatusEnum.fail:
return -1;
case MsgStatusEnum.sending:
return 0;
case MsgStatusEnum.success:
return 1;
case MsgStatusEnum.recalled:
return 2;
case MsgStatusEnum.deleted:
return 3;
case MsgStatusEnum.defaultValue:
default:
return -2;
}
}